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it can manifest with respiratory insufficiency&#44; pulmonary hypertension or pulmonary haemorrhage&#46; It characteristically presents with respiratory insufficiency of sudden onset that requires mechanical ventilation with high ventilatory pressures in the absence of atelectasis or obstruction&#46;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;11</span></a></p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">The diagnosis can be suspected prenatally based on measurements of lung volume by means of three-dimensional &#40;3D&#41; ultrasound and magnetic resonance imaging &#40;MRI&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0260"><span class="elsevierStyleSup">12&#44;13</span></a> The diagnostic tests used after birth are thoracic computed tomography &#40;CT&#41; and lung scintigraphy&#44; and the diagnosis is confirmed by pathologic examination&#46;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#8211;4</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">Different surgical approaches are used prenatally to attenuate the severity of PH in the foetus&#44; 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diagnostic methods and clinical outcomes of cases of PH diagnosed in a tertiary university hospital&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Materials and methods</span><p id="par0035" class="elsevierStylePara elsevierViewall">We conducted a descriptive retrospective study of patients with PH diagnosed between 1995 and 2014 at the Hospital Universitario Vall d&#8217;Hebron de Barcelona that received care in the departments of obstetrics&#44; neonatology&#44; paediatric surgery and paediatric pulmonology&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">We analysed the following variables&#58; gestational age of the foetus at diagnosis&#44; prenatal ultrasound abnormalities&#44; prenatal surgery&#44; gestational age at birth&#44; age of onset of respiratory symptoms&#44; clinical manifestations&#44; aetiological diagnosis&#44; diagnostic tests used&#44; pathological findings&#44; laterality of lung involvement&#44; duration of required mechanical ventilation and oxygen supplementation&#44; clinical respiratory outcomes &#40;presence or absence of recurrent episodes of wheezing or infection&#41;&#44; pulmonary function outcomes&#44; quality of life and survival&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">We studied the following prenatal surgical interventions&#58; insertion of pleural-amniotic shunts for drainage of amniotic fluid in cases of hydrothorax and FETO in patients with congenital diaphragmatic hernia that met the criteria of being 26 weeks or less of gestational age and with factors associated to high mortality&#44; such as a lung-to-head ratio &#40;LHR&#41; of less than 1 or herniation of the liver into the thoracic cavity&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">The diagnosis of PH was based on pulmonary perfusion scintigraphy&#44; chest CT and clinical criteria&#46; The criteria for diagnosis were reduced pulmonary perfusion in scintigraphy and reduced volume of the lung and pulmonary vessels of the involved side compared to the contralateral side in CT&#46; The clinical diagnosis was based on the presence of respiratory distress syndrome of the neonate&#44; the need for mechanical ventilation at high pressures and plain chest radiography showing reduced aeration and small lung fields&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Lung function was assessed in cooperative children aged more than 5 years by means of forced spirometry&#44; plethysmography and single breath diffusion &#40;DLCO&#41; conforming to the standards set by the European Respiratory Society &#40;ERS&#41;&#46; Testing was performed with a Jaeger<span class="elsevierStyleSup">&#174;</span> spirometer and a Jaeger Masterscreen&#8482; plethysmograph &#40;CareFusion&#44; San Diego&#44; USA&#41;&#46; We have expressed the data as <span class="elsevierStyleItalic">z</span>-scores adjusted for sex&#44; age and height based on the reference equations of the Global Lung Initiative &#40;GLI&#41; of 2012 and Rosenthal&#44; respectively&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">To describe quality of life&#44; we reviewed data from the medical records of yearly check-up visits on factors such as schooling&#44; type of physical activity performed by the child&#44; and limitations in physical activity compared to healthy children of the same age&#46; We analysed survival by means of the Kaplan-Meyer method using SPSS version 21&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Results</span><p id="par0065" class="elsevierStylePara elsevierViewall">We identified 60 cases&#44; 33 of which corresponded to male patients &#40;55&#37;&#41;&#46; There was unilateral involvement in 35 cases &#40;21 left and 15 right&#41; and bilateral involvement in 24 cases&#46; All patients had been assessed before birth by means of 3D ultrasound&#44; and abnormalities had been found in forty-six&#58; oligohydramnios in nineteen&#44; diaphragmatic hernia in twenty-one&#44; hydrothorax in six&#44; Jeune syndrome in two&#44; diaphragmatic eventration in one&#44; and polyhydramnios in one&#46; The mean gestational age at the first abnormal ultrasound was 27 weeks &#40;range&#44; 15&#8211;39 weeks&#41;&#46; Foetal MRI was performed in seven patients&#44; confirming the presence of congenital diaphragmatic hernia with reduced size of the ipsilateral lung in six patients and arthrogryposis with reduced size of both lungs in one patient&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">PH was classified as primary in four patients and secondary in fifty-six&#44; and congenital diaphragmatic hernia was the most frequent cause of PH &#40;41&#37;&#41;&#46; <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a> presents the aetiologies found in our study&#46; The diagnoses associated with the 19 cases of oligohydramnios were renal or urinary tract malformation &#40;6 cases&#41;&#44; premature rupture of membranes &#40;5 cases&#44; 3 of which were due to an invasive prenatal intervention&#41;&#44; hydrops fetalis &#40;3 cases&#41; and congenital diaphragmatic hernia &#40;1 case&#41;&#44; while the aetiology was not established in one case&#46; The mean LHR in patients with congenital diaphragmatic hernia was 0&#46;89 &#40;range&#44; 0&#46;29&#8211;4&#46;6&#41;&#46; Foetal surgery was performed in fifteen patients following the detection of abnormalities in ultrasound&#44; FETO was performed in eleven cases&#44; and a pleural-amniotic shunt placed in five&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0075" class="elsevierStylePara elsevierViewall">The mean gestational age at birth was 33 weeks &#40;range&#44; 27&#8211;39 weeks&#41;&#46; Fifty patients had respiratory distress at birth&#44; of whom forty-seven &#40;94&#37;&#41; required mechanical ventilation due to severe hypoxaemia for a mean of nine days&#46; Eight patients had persistent pulmonary hypertension of the newborn&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">The onset of symptoms occurred later in six patients that received a diagnosis of PH after being assessed for recurrent episodes of bronchitis&#46; The mean chronological age of diagnosis of these six patients was 45 days &#40;range&#44; 30&#8211;180&#41;&#46; Four patients did not develop any clinically significant respiratory symptoms and received the diagnosis of PH following the detection of dextrocardia in the first year of life&#44; and the presence of scimitar syndrome was subsequently confirmed in all&#46;</p><p id="par0085" class="elsevierStylePara elsevierViewall">The diagnosis of PH was suspected in 18 cases of early neonatal death &#40;31&#37;&#41; based on clinical features and compatible plain radiography findings&#46; In 31 cases &#40;51&#46;6&#37;&#41; PH was diagnosed based on chest CT or lung perfusion scintigraphy&#58; both techniques in 14 cases&#44; CT alone in 11 cases&#44; and scintigraphy alone in 6 cases&#46; In patients that underwent scintigraphy&#44; the average perfusion in the affected lung was 29&#37; &#40;range&#44; 8&#8211;44&#37;&#41;&#46; The diagnosis was confirmed by autopsy in 11 patients &#40;19&#37;&#41;&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">As for mortality&#44; a total of 28 patients &#40;47&#37;&#41; died in the first 60 days post birth&#44; with 25 dying in the perinatal period&#46; Seventy-five percent of the deaths occurred in the first day post birth&#46; Using the Kaplan&#8211;Meier method&#44; we estimated that the cumulative probability of death was 25&#37; at 12<span class="elsevierStyleHsp" style=""></span>h post birth and increased to 50&#37; by 60 days post birth &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">Four patients were lost to followup&#44; while another 28 were followed up for an average of 5&#46;8 years &#40;range&#44; 0&#46;9&#8211;16&#41;&#46; Of all the patients that had required ventilatory support in the neonatal period&#44; six went on to require home mechanical ventilation &#40;two of them via tracheostomy&#41; for a median of 36 months&#44; and five required home oxygen therapy for a median of 4 months &#40;range&#44; 2&#8211;10 months&#41;&#46; One patient developed pulmonary hypertension&#46; Seventeen patients had recurrent respiratory conditions that were classified as pneumonia and recurrent bronchitis&#44; and four developed scoliosis&#46; We analysed the lung function tests performed in the past five years &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#46; Spirometry manoeuvres met the acceptability criteria in 13 out of a total of 28 patients &#40;42&#46;8&#37;&#59; age range&#44; 5&#8211;17 years&#41;&#44; and plethysmography results were technically adequate in 11 of these 13 children&#46; Five patients had an obstructive pattern &#40;FEV1&#47;FVC<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>lower limits of normal &#91;LLN&#93;&#41;&#59; two had a restrictive pattern &#40;FVC<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>LLN and FEV1&#47;FVC<span class="elsevierStyleHsp" style=""></span>&#62;<span class="elsevierStyleHsp" style=""></span>LLN and TLC<span class="elsevierStyleHsp" style=""></span>&#62;<span class="elsevierStyleHsp" style=""></span>LLN&#41;&#59; and six had a normal pattern&#44; of whom two had air trapping&#46; Three patients had increased airway resistance&#46; Lung diffusion tests were normal in all 11 patients&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">Twenty-two patients were able to attend school normally and had a normal exercise tolerance for their age&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Discussion</span><p id="par0105" class="elsevierStylePara elsevierViewall">Pulmonary hypoplasia results from an arrest in normal lung development due to various factors that are not yet fully understood&#46; We present a detailed review of the patients that received a PH diagnosis in the past 20 years and were managed by an interdisciplinary team at a tertiary care university hospital&#46; We analysed its various causes and clinical presentation&#44; methods used for diagnosis&#44; treatments and outcomes&#46;</p><p id="par0110" class="elsevierStylePara elsevierViewall">The aetiological distribution of the cases described in this study is consistent with the data found in the literature&#44;<a class="elsevierStyleCrossRefs" href="#bib0240"><span class="elsevierStyleSup">8&#44;20&#44;21</span></a> according to which the most common congenital anomalies associated with PH are diaphragmatic hernia&#44; renal anomalies and skeletal anomalies&#46; We ought to mention other diseases found in our review&#44; such as premature rupture of membranes caused by invasive prenatal procedures such as multifoetal pregnancy reduction or amniocentesis&#44; genetic disorders &#40;trisomy 21&#41;&#44; and some that are less understood&#44; such as foetal akinesia&#47;hypokinesia sequence or Pena-Shokeir syndrome &#40;2 cases in our series&#41;&#44; characterised by polyhydramnios&#44; intrauterine growth restriction&#44; craniofacial and limb anomalies&#44; arthrogryposis&#44; short umbilical cord&#44; PH&#44; and a very low survival&#46;<a class="elsevierStyleCrossRefs" href="#bib0310"><span class="elsevierStyleSup">22&#44;23</span></a> Cases of primary PH are rare and can be unilateral or lobar&#46;<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">3</span></a> In our series&#44; only 7&#46;8&#37; of the cases were classified as primary PH&#46;</p><p id="par0115" class="elsevierStylePara elsevierViewall">Oligohydramnios was the mechanism associated with PH in one third of the cases in our series&#46; Nimrod et al&#46;<a class="elsevierStyleCrossRef" href="#bib0290"><span class="elsevierStyleSup">18</span></a> described a greater impact of premature membrane rupture in foetuses in which rupture occurred before 26 weeks&#8217; gestation and lasted more than five weeks&#44; while Rotschild et al&#46;<a class="elsevierStyleCrossRef" href="#bib0300"><span class="elsevierStyleSup">20</span></a> detected pulmonary hypoplasia in up to 14&#37; of foetuses that experienced oligohydramnios following the rupture of membranes before 29 weeks&#8217; gestation&#46;</p><p id="par0120" class="elsevierStylePara elsevierViewall">Other authors have analysed the correlation between gestational age and the risk of having PH in association with oligohydramnios&#44; concluding that a duration of oligohydramnios of more than 14 days following the rupture of membranes before 25 weeks&#8217; gestation carries a risk of death due to PH of up to 90&#37;&#46;<a class="elsevierStyleCrossRefs" href="#bib0305"><span class="elsevierStyleSup">21&#44;22</span></a> While we did not establish patient subsets in our study to analyse the impact of oligohydramnios based on its duration and gestational age at the time of diagnosis&#44; we found that the mean gestational age at the time oligohydramnios was detected was 27 weeks&#44; which is consistent with the literature&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">Also consistently with the literature&#44; the congenital malformation most frequently associated with PH was diaphragmatic hernia&#46;<a class="elsevierStyleCrossRefs" href="#bib0250"><span class="elsevierStyleSup">10&#44;24&#44;25</span></a> This disease is the model that has been used most commonly for the study of early interventions&#44; the pathophysiology&#44; advances in perinatal care and the development of new diagnostic tools in PH&#46;<a class="elsevierStyleCrossRef" href="#bib0330"><span class="elsevierStyleSup">26</span></a> A distinctive aspect of congenital diaphragmatic hernia is that PH develops as an inherent feature of the disease and not solely as a result of lung compression&#44; and the mechanism by which the lung contralateral to the hernia is also affected remains unknown&#46;<a class="elsevierStyleCrossRefs" href="#bib0285"><span class="elsevierStyleSup">17&#44;18</span></a></p><p id="par0130" class="elsevierStylePara elsevierViewall">The prenatal diagnosis of PH and its confirmation in the early neonatal period are key in decreasing the morbidity and mortality associated to this disease&#46; Consequently&#44; the routine use of 3D ultrasound and MRI for prenatal diagnosis has become a care standard&#46;<a class="elsevierStyleCrossRefs" href="#bib0265"><span class="elsevierStyleSup">13&#44;16&#44;27&#44;28</span></a> The current ERS guidelines for the management of congenital diaphragmatic hernia include the use of MRI for the prenatal assessment of affected foetuses&#44; as it performs better than ultrasound in detecting herniation of the liver into the thorax&#44; differentiating diaphragmatic eventrations and accurate volumetry of both the contralateral and ipsilateral lungs&#46;<a class="elsevierStyleCrossRef" href="#bib0345"><span class="elsevierStyleSup">29</span></a> Levine et al&#46;<a class="elsevierStyleCrossRef" href="#bib0335"><span class="elsevierStyleSup">27</span></a> performed MRI scans on 74 foetuses in whom ultrasound had detected thoracic abnormalities&#44; confirming that the use of a complementary noninvasive technique contributed additional information in up to 38&#37; of cases and led to changes in the management of 8&#37; of them&#46; All our patients were assessed by prenatal 3D ultrasound&#44; and patients with severe diaphragmatic hernia were also assessed by MRI&#46;</p><p id="par0135" class="elsevierStylePara elsevierViewall">Of the 24 patients in whom congenital diaphragmatic hernia was diagnosed as the cause of PH&#44; 11 were classified as being at high risk of dying and met the criteria for prenatal surgery&#44; so they underwent FETO&#46; Invasive prenatal surgical procedures have evolved from open surgery with placement of a tracheal clip to the FETO technique in which&#44; after ascertaining lung growth&#44; the balloon is removed prenatally&#46; These techniques have led to an increase in postnatal survival and a decrease in the incidence of secondary pulmonary hypertension&#46;<a class="elsevierStyleCrossRefs" href="#bib0275"><span class="elsevierStyleSup">15&#44;30&#44;31</span></a></p><p id="par0140" class="elsevierStylePara elsevierViewall">After birth&#44; PH may be suspected when plain radiography findings include diaphragmatic domes elevated up to the seventh rib&#44; a bell-shaped thorax&#44; downward sloping ribs&#44; pneumothorax or pneumomediastinum&#46;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;3&#44;32</span></a> Pulmonary perfusion scintigraphy and chest computed tomography are very useful in confirming the diagnosis&#46;<a class="elsevierStyleCrossRefs" href="#bib0225"><span class="elsevierStyleSup">5&#44;32&#8211;37</span></a> In our series&#44; 50&#46;4&#37; of the cases were diagnosed by scintigraphy and CT&#44; 31&#37; by plain radiography and compatible clinical features &#40;cases that could not be confirmed by means of other techniques due to the early death of the patients&#41;&#44; and 19&#37; by autopsy&#46; The average measurement of perfusion by scintigraphy is used to determine the severity of PH&#44; which is considered moderate if perfusion in the involved lung is less than 40&#37;&#46;<a class="elsevierStyleCrossRefs" href="#bib0365"><span class="elsevierStyleSup">33&#8211;35</span></a></p><p id="par0145" class="elsevierStylePara elsevierViewall">The perinatal mortality observed in our series was 41&#46;6&#37;&#44; which was consistent with the various series published in the literature that have described a high perinatal mortality&#46;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;4&#44;10&#44;15&#44;25</span></a> When we analysed our data&#44; we found that the cumulative probability of dying in the first 12<span class="elsevierStyleHsp" style=""></span>h post birth was 25&#37;&#44; and that this probability rose to 50&#37; by 60 days post birth&#44; a finding that underscored the need to have a highly specialised interdisciplinary team for the management of these patients during the early neonatal period&#46; The clinical manifestations observed most frequently during followup were pneumonia and recurrent bronchitis&#44; consistent with the course of disease described in patients that have undergone surgical repair of congenital diaphragmatic hernia and cases of late onset with similar symptoms&#46;<a class="elsevierStyleCrossRefs" href="#bib0345"><span class="elsevierStyleSup">29&#44;37</span></a> Twenty-five percent of the patients that required mechanical ventilation in the neonatal period and survived required home mechanical ventilation and oxygen supplementation for a median of four months&#46; These data differ from the current literature&#44; which describes a shorter duration of respiratory support&#46;<a class="elsevierStyleCrossRef" href="#bib0370"><span class="elsevierStyleSup">34</span></a> This could be due to a lack of descriptive studies similar to the one we have performed in our population&#46; On the other hand&#44; 16&#37; of our patients developed scoliosis secondary to the unilateral reduction in lung volume&#46; Previous studies have shown that up to 16&#37; of children with a previous history of diaphragmatic hernia have some type of thoracic asymmetry&#44; such as scoliosis or pectus carinatum&#46;<a class="elsevierStyleCrossRef" href="#bib0370"><span class="elsevierStyleSup">34</span></a> Other longitudinal studies in children that had undergone surgical repair of diaphragmatic hernia showed catch-up lung growth and adequate exercise tolerance&#44; with children being able to lead normal lives despite the persistence of asymmetry in radiological images and a lack of changes in perfusion scans&#46;<a class="elsevierStyleCrossRef" href="#bib0295"><span class="elsevierStyleSup">19</span></a> Our study showed similar results&#44; as 77&#37; of the patients that survived in our series could attend school normally and had an adequate exercise tolerance for their age&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall">When it comes to lung function tests&#44; some authors have described an obstructive airway pattern in patients with HP and proposed that bronchoscopy be performed to rule out tracheobronchomalacia&#46;<a class="elsevierStyleCrossRef" href="#bib0390"><span class="elsevierStyleSup">38</span></a> Most studies have reported a predominance of restrictive airway patterns&#44; especially in patients requiring prolonged mechanical ventilation or oxygen therapy&#46;<a class="elsevierStyleCrossRefs" href="#bib0395"><span class="elsevierStyleSup">39&#44;40</span></a> In our case series&#44; few data on lung function were available because we only took into account the data collected in the past five years&#44; during which lung function testing was performed by the same technicians with the same equipment and adhering to the stringent quality and acceptability criteria published by the ERS&#44; to avoid potential biases&#46; Furthermore&#44; most of the patients in followup could not cooperate with spirometry or plethysmography&#46; Thus far&#44; our results have shown a higher proportion of children in followup with an obstructive pattern compared to a restrictive pattern based on spirometry as well as plethysmography&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">In the past two decades&#44; there have been advances in the diagnostic techniques and prenatal interventions for PH&#44; and postnatal care for this disease has been optimised&#46; This has led to the improved management of these patients&#44; although the associated morbidity and mortality continue to be considerable&#46; We believe that further studies are required to assess the impact of these early interventions on future lung development&#46; Furthermore&#44; we must continue to do research to identify other factors that would allow changing the course of PH earlier and by less invasive methods&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Conclusions</span><p id="par0160" class="elsevierStylePara elsevierViewall">PH is a congenital anomaly that can be due to various causes and the prevalence of which is underestimated&#46; It is associated with a high neonatal mortality and significant long-term morbidity&#44; which calls for early diagnosis and intervention by a specialised interdisciplinary team&#46; The development of new diagnostic and surgical techniques has improved survival in these patients&#44; but further research is necessary to identify new factors that would allow changing the course of this disease&#44; along with long-term studies to assess the impact of these interventions&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Conflict of interests</span><p id="par0165" class="elsevierStylePara elsevierViewall">The authors have no conflict of interests to declare&#46;</p></span></span>"
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            0 => "Hipoplasia pulmonar"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Pulmonary hypoplasia is the most frequent congenital anomaly associated with perinatal mortality&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Material and methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A retrospective and descriptive review was conducted on cases of patients diagnosed with pulmonary hypoplasia between 1995 and 2014 in a tertiary university hospital&#46; An analysis was made of the prenatal imaging&#44; clinical manifestations&#44; post-natal diagnostic tests&#44; treatment and management&#44; long-term follow up&#44; and survival data&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">A total of 60 cases were identified&#44; all of them with prenatal imaging&#46; Sixteen patients required foetal surgery&#46; Congenital diaphragmatic hernia was the most frequent diagnosis&#46; Main clinical presentation was respiratory distress with severe hypoxaemia and high requirements of mechanical ventilation&#46; Mortality rate was 47&#37; within first 60 days of life&#44; and 75&#37; for the first day of life&#46; Pneumonia and recurrent bronchitis episodes were observed during follow-up&#46; They had a lung function obstructive pattern&#44; and their quality of life and exercise tolerance was good&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">High neonatal mortality and significant long-term morbidity associated with pulmonary hypoplasia requires an early diagnosis and a specialised multidisciplinary team management&#46;</p></span>"
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      "es" => array:3 [
        "titulo" => "Resumen"
        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introducci&#243;n</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">La hipoplasia pulmonar es la anomal&#237;a cong&#233;nita m&#225;s frecuentemente asociada a mortalidad perinatal&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Material y m&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Se ha realizado un estudio descriptivo retrospectivo de los casos de hipoplasia pulmonar diagnosticados entre 1995 y 2014 en un hospital universitario de tercer nivel&#44; analizando estudios prenatales&#44; manifestaciones cl&#237;nicas&#44; pruebas diagn&#243;sticas&#44; tratamiento&#44; datos de seguimiento a largo plazo y supervivencia&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Se identificaron 60 casos&#44; todos con estudio prenatal&#46; Diecis&#233;is recibieron intervenci&#243;n quir&#250;rgica intra&#250;tero&#46; La hernia diafragm&#225;tica cong&#233;nita fue la entidad m&#225;s frecuentemente asociada&#46; La manifestaci&#243;n cl&#237;nica m&#225;s habitual fue distr&#233;s respiratorio neonatal&#44; hipoxemia grave y necesidad de soporte con ventilaci&#243;n mec&#225;nica&#46; Se hall&#243; un 47&#37; de mortalidad antes de los 60 d&#237;as de vida y del 75&#37; en las primeras 24 h de vida&#46; Durante el seguimiento de los supervivientes se detectaron episodios de neumon&#237;as y bronquitis recidivantes&#44; funci&#243;n pulmonar con patr&#243;n obstructivo y aceptable calidad de vida y tolerancia al ejercicio&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">La elevada mortalidad neonatal y la importante morbilidad a largo plazo de la hipoplasia pulmonar requieren de un diagn&#243;stico temprano y la intervenci&#243;n de un equipo multidisciplinar especializado&#46;</p></span>"
        "secciones" => array:4 [
          0 => array:2 [
            "identificador" => "abst0025"
            "titulo" => "Introducci&#243;n"
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          1 => array:2 [
            "identificador" => "abst0030"
            "titulo" => "Material y m&#233;todos"
          ]
          2 => array:2 [
            "identificador" => "abst0035"
            "titulo" => "Resultados"
          ]
          3 => array:2 [
            "identificador" => "abst0040"
            "titulo" => "Conclusiones"
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    "NotaPie" => array:1 [
      0 => array:2 [
        "etiqueta" => "&#9734;"
        "nota" => "<p class="elsevierStyleNotepara" id="npar0015">Please cite this article as&#58; Delgado-Pe&#241;a YP&#44; Torrent-Vernetta A&#44; Sacoto G&#44; de Mir-Messa I&#44; Rovira-Amigo S&#44; Gartner S&#44; et al&#46; Hipoplasia pulmonar&#58; an&#225;lisis de la casu&#237;stica durante 20 a&#241;os&#46; An Pediatr &#40;Barc&#41;&#46; 2016&#59;85&#58;70&#8211;76&#46;</p>"
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        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
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          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Kaplan&#8211;Meier survival curve of cases of pulmonary hypoplasia&#46;</p>"
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                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Abnormalities of the thoracic cavity&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Abnormalities in foetal lung fluid flow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Abnormalities in foetal breathing movements&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Space-occupying lesions in the chest<br>Congenital diaphragmatic hernia<br>Malformation of the airways &#40;such as cystic adenomatoid malformation&#41;<br>Pleural effusion<br>Exomphalos<br>Gastroschisis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " rowspan="4" align="left" valign="top">Hypoplastic left or right heart<br>Pulmonary stenosis<br>Oligohydramnios<br>Renal agenesis<br>Cystic dysplasia<br>Urinary outflow obstruction<br>Prolonged rupture of membranes<br>Hydrops fetalis</td><td class="td" title="table-entry  " rowspan="4" align="left" valign="top">Neuromuscular disorders<br>Neurological problems<br>Pena-Shokeir syndrome</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Chest wall malformations&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Kyphoscoliosis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Skeletal dysplasias&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
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          "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Classification of the underlying conditions that may cause secondary pulmonary hypoplasia&#46;</p>"
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                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Causes of pulmonary hypoplasia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Number of cases &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Deceased patients&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Patients that required mechanical ventilation in the neonatal period&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Patients that received home mechanical ventilation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Diaphragmatic hernia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">24 &#40;40&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Left&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">16&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Bilateral&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Right&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Diaphragmatic paralysis-eventration&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Renal&#47;urinary tract malformation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">6 &#40;10&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Invasive prenatal intervention&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3 &#40;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Hydrops fetalis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3 &#40;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Premature rupture of membranes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Oligohydramnios of unknown aetiology&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Congenital hydrothorax&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Jeune syndrome&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Scimitar syndrome&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">5 &#40;8&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Intrathoracic masses&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Unknown aetiology &#40;associated with Down syndrome&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1 &#40;1&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Foetal akinesia&#47;hypokinesia sequence&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Primary pulmonary hypoplasia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">4 &#40;6&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Distribution of aetiologies and outcomes of cases of pulmonary hypoplasia diagnosed between 1995 and 2014&#46;</p>"
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                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Patient&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">FVC <span class="elsevierStyleItalic">z</span>-score<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Interpretation&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;55&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;85&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;36&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;70&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;59&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&#46;18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;29&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;41&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;44&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;88&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Restrictive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;67&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;43&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;90&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;69&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;08&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;05&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;92&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;84&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;15&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;72&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Restrictive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;49&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&#46;96&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;01&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;08&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;67&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;00&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;48&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;24&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;31&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;73&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;84&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;00&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;42&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Median <span class="elsevierStyleItalic">z</span>-score &#40;range&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top"><span class="elsevierStyleBold">&#8211;2&#46;55 &#40;&#8211;3&#46;92 to 0&#46;84&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top"><span class="elsevierStyleBold">&#8211;1 &#40;&#8211;3&#46;12 to 0&#46;37&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top"><span class="elsevierStyleBold">&#8211;0&#46;25 &#40;&#8211;1&#46;88 to 1&#46;96&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
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              "nota" => "<p class="elsevierStyleNotepara" id="npar0005"><span class="elsevierStyleItalic">z</span>-score&#58; Global Lung Function reference equations &#40;GLI&#41;&#46;</p>"
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              "nota" => "<p class="elsevierStyleNotepara" id="npar0010"><span class="elsevierStyleItalic">z</span>-score&#58; total lung capacity &#40;TLC&#41; plethysmography using the Rosenthal reference equations&#46;</p>"
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        "descripcion" => array:1 [
          "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Results of the analysis of lung function tests performed in the past five years in children with pulmonary hypoplasia diagnosed between 1995 and 2014 at the Hospital Universitario Vall d&#8217;Hebron de Barcelona&#46;</p>"
        ]
      ]
    ]
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      "titulo" => "References"
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              "identificador" => "bib0205"
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                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Pulmonary hypoplasia"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "H&#46; Porter"
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                    0 => array:2 [
                      "doi" => "10.1136/fn.81.2.F81"
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                        "tituloSerie" => "Arch Dis Child Fetal Neonatal Ed"
                        "fecha" => "1999"
                        "volumen" => "81"
                        "paginaInicial" => "F81"
                        "paginaFinal" => "F83"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10448173"
                            "web" => "Medline"
                          ]
                        ]
                      ]
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              "identificador" => "bib0210"
              "etiqueta" => "2"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "The fetal lung 2&#58; pulmonary hypoplasia"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "J&#46;A&#46; Laudy"
                            1 => "J&#46;M&#46; Wladimiroff"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1046/j.1469-0705.2000.00252.x"
                      "Revista" => array:7 [
                        "tituloSerie" => "Ultrasound Obstet Gynecol"
                        "fecha" => "2000"
                        "volumen" => "16"
                        "paginaInicial" => "482"
                        "paginaFinal" => "494"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/11169336"
                            "web" => "Medline"
                          ]
                        ]
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                          "pii" => "S1552526016302448"
                          "estado" => "S300"
                          "issn" => "15525260"
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              "identificador" => "bib0215"
              "etiqueta" => "3"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Primary unilateral pulmonary hypoplasia&#58; neonate through early childhood&#58; case report&#44; radiographic diagnosis and review of the literature"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "M&#46;E&#46; Abrams"
                            1 => "V&#46;L&#46; Ackerman"
                            2 => "W&#46;A&#46; Engle"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1038/sj.jp.7211156"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Perinatol"
                        "fecha" => "2004"
                        "volumen" => "24"
                        "paginaInicial" => "667"
                        "paginaFinal" => "670"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15454946"
                            "web" => "Medline"
                          ]
                        ]
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                ]
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              "etiqueta" => "4"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Pulmonary hypoplasia with hepatic and renal anomalies in a dead fetus"
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                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "B&#46; Ravindrakumar"
                            1 => "V&#46;S&#46; Devi"
                            2 => "U&#46;U&#46; Rani"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.4103/0970-2113.95329"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lung India"
                        "fecha" => "2012"
                        "volumen" => "29"
                        "paginaInicial" => "163"
                        "paginaFinal" => "165"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/22628933"
                            "web" => "Medline"
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            4 => array:3 [
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              "referencia" => array:1 [
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                    0 => array:2 [
                      "titulo" => "Hipoplasia pulmonar infantil"
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                          "autores" => array:6 [
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Original Article
Pulmonary hypoplasia: An analysis of cases over a 20-year period
Hipoplasia pulmonar: análisis de la casuística durante 20 años
Yanny Paola Delgado-Peña
Corresponding author
yannypaola@yahoo.es

Corresponding author.
, Alba Torrent-Vernetta, Gabriela Sacoto, Inés de Mir-Messa, Sandra Rovira-Amigo, Silvia Gartner, Antonio Moreno-Galdó, José Andrés Molino-Gahete, Felíx Castillo-Salinas
Hospital Universitario Vall d¿Hebron, Barcelona, Spain
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Pulmonary hypoplasia &#40;PH&#41; is a congenital anomaly characterised by impaired growth and development of the lung parenchyma&#44; airways and vessels&#46;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#8211;5</span></a> Its incidence in the general population is of nine to eleven cases per 10&#44;000 live births&#44;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;3</span></a> although this must be an underestimate since infants with lesser degrees of PH survive the neonatal period&#46;<a class="elsevierStyleCrossRef" href="#bib0210"><span class="elsevierStyleSup">2</span></a> The prevalence of PH reported in perinatal autopsy case series ranges between 7&#46;8&#37; and 26&#37;&#44;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#44;3</span></a> and it is the anomaly most frequently associated with perinatal mortality&#46;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#8211;6</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">Pulmonary hypoplasia most frequently develops secondary to abnormalities in the thoracic cavity&#44; foetal breathing movements&#44; foetal lung liquid at positive pressure and volume of amniotic fluid&#46;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#8211;7</span></a><a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a> summarises and enumerates the underlying conditions most commonly associated to PH&#46;<a class="elsevierStyleCrossRefs" href="#bib0220"><span class="elsevierStyleSup">4&#44;8&#44;9</span></a> The clinical manifestations depend on the degree of lung involvement&#44; ranging from severe bilateral forms to milder unilateral or lobar forms&#46;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#44;10</span></a> During the neonatal period&#44; it can manifest with respiratory insufficiency&#44; pulmonary hypertension or pulmonary haemorrhage&#46; It characteristically presents with respiratory insufficiency of sudden onset that requires mechanical ventilation with high ventilatory pressures in the absence of atelectasis or obstruction&#46;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;11</span></a></p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">The diagnosis can be suspected prenatally based on measurements of lung volume by means of three-dimensional &#40;3D&#41; ultrasound and magnetic resonance imaging &#40;MRI&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0260"><span class="elsevierStyleSup">12&#44;13</span></a> The diagnostic tests used after birth are thoracic computed tomography &#40;CT&#41; and lung scintigraphy&#44; and the diagnosis is confirmed by pathologic examination&#46;<a class="elsevierStyleCrossRefs" href="#bib0205"><span class="elsevierStyleSup">1&#8211;4</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">Different surgical approaches are used prenatally to attenuate the severity of PH in the foetus&#44; such as drainage in cases of hydrothorax or foetoscopic tracheal occlusion &#40;FETO&#41; in severe cases of congenital diaphragmatic hernia&#46;<a class="elsevierStyleCrossRefs" href="#bib0270"><span class="elsevierStyleSup">14&#44;15</span></a> After birth&#44; the management of PH consists of supportive measures to guarantee adequate oxygenation during lung growth and development&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">The established approach to the postnatal management of congenital diaphragmatic hernia is surgical repair followed by the use of invasive ventilatory support techniques with permissive hypercapnia combined with aggressive treatment for pulmonary hypertension&#46;<a class="elsevierStyleCrossRefs" href="#bib0250"><span class="elsevierStyleSup">10&#44;15&#8211;18</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">Recent studies have been pursuing the optimisation of the diagnostic methods&#44; treatments and postnatal care used in patients with PH&#46;<a class="elsevierStyleCrossRef" href="#bib0295"><span class="elsevierStyleSup">19</span></a> The aim of our study was to describe the aetiology&#44; diagnostic methods and clinical outcomes of cases of PH diagnosed in a tertiary university hospital&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Materials and methods</span><p id="par0035" class="elsevierStylePara elsevierViewall">We conducted a descriptive retrospective study of patients with PH diagnosed between 1995 and 2014 at the Hospital Universitario Vall d&#8217;Hebron de Barcelona that received care in the departments of obstetrics&#44; neonatology&#44; paediatric surgery and paediatric pulmonology&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">We analysed the following variables&#58; gestational age of the foetus at diagnosis&#44; prenatal ultrasound abnormalities&#44; prenatal surgery&#44; gestational age at birth&#44; age of onset of respiratory symptoms&#44; clinical manifestations&#44; aetiological diagnosis&#44; diagnostic tests used&#44; pathological findings&#44; laterality of lung involvement&#44; duration of required mechanical ventilation and oxygen supplementation&#44; clinical respiratory outcomes &#40;presence or absence of recurrent episodes of wheezing or infection&#41;&#44; pulmonary function outcomes&#44; quality of life and survival&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">We studied the following prenatal surgical interventions&#58; insertion of pleural-amniotic shunts for drainage of amniotic fluid in cases of hydrothorax and FETO in patients with congenital diaphragmatic hernia that met the criteria of being 26 weeks or less of gestational age and with factors associated to high mortality&#44; such as a lung-to-head ratio &#40;LHR&#41; of less than 1 or herniation of the liver into the thoracic cavity&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">The diagnosis of PH was based on pulmonary perfusion scintigraphy&#44; chest CT and clinical criteria&#46; The criteria for diagnosis were reduced pulmonary perfusion in scintigraphy and reduced volume of the lung and pulmonary vessels of the involved side compared to the contralateral side in CT&#46; The clinical diagnosis was based on the presence of respiratory distress syndrome of the neonate&#44; the need for mechanical ventilation at high pressures and plain chest radiography showing reduced aeration and small lung fields&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Lung function was assessed in cooperative children aged more than 5 years by means of forced spirometry&#44; plethysmography and single breath diffusion &#40;DLCO&#41; conforming to the standards set by the European Respiratory Society &#40;ERS&#41;&#46; Testing was performed with a Jaeger<span class="elsevierStyleSup">&#174;</span> spirometer and a Jaeger Masterscreen&#8482; plethysmograph &#40;CareFusion&#44; San Diego&#44; USA&#41;&#46; We have expressed the data as <span class="elsevierStyleItalic">z</span>-scores adjusted for sex&#44; age and height based on the reference equations of the Global Lung Initiative &#40;GLI&#41; of 2012 and Rosenthal&#44; respectively&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">To describe quality of life&#44; we reviewed data from the medical records of yearly check-up visits on factors such as schooling&#44; type of physical activity performed by the child&#44; and limitations in physical activity compared to healthy children of the same age&#46; We analysed survival by means of the Kaplan-Meyer method using SPSS version 21&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Results</span><p id="par0065" class="elsevierStylePara elsevierViewall">We identified 60 cases&#44; 33 of which corresponded to male patients &#40;55&#37;&#41;&#46; There was unilateral involvement in 35 cases &#40;21 left and 15 right&#41; and bilateral involvement in 24 cases&#46; All patients had been assessed before birth by means of 3D ultrasound&#44; and abnormalities had been found in forty-six&#58; oligohydramnios in nineteen&#44; diaphragmatic hernia in twenty-one&#44; hydrothorax in six&#44; Jeune syndrome in two&#44; diaphragmatic eventration in one&#44; and polyhydramnios in one&#46; The mean gestational age at the first abnormal ultrasound was 27 weeks &#40;range&#44; 15&#8211;39 weeks&#41;&#46; Foetal MRI was performed in seven patients&#44; confirming the presence of congenital diaphragmatic hernia with reduced size of the ipsilateral lung in six patients and arthrogryposis with reduced size of both lungs in one patient&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">PH was classified as primary in four patients and secondary in fifty-six&#44; and congenital diaphragmatic hernia was the most frequent cause of PH &#40;41&#37;&#41;&#46; <a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a> presents the aetiologies found in our study&#46; The diagnoses associated with the 19 cases of oligohydramnios were renal or urinary tract malformation &#40;6 cases&#41;&#44; premature rupture of membranes &#40;5 cases&#44; 3 of which were due to an invasive prenatal intervention&#41;&#44; hydrops fetalis &#40;3 cases&#41; and congenital diaphragmatic hernia &#40;1 case&#41;&#44; while the aetiology was not established in one case&#46; The mean LHR in patients with congenital diaphragmatic hernia was 0&#46;89 &#40;range&#44; 0&#46;29&#8211;4&#46;6&#41;&#46; Foetal surgery was performed in fifteen patients following the detection of abnormalities in ultrasound&#44; FETO was performed in eleven cases&#44; and a pleural-amniotic shunt placed in five&#46;</p><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0075" class="elsevierStylePara elsevierViewall">The mean gestational age at birth was 33 weeks &#40;range&#44; 27&#8211;39 weeks&#41;&#46; Fifty patients had respiratory distress at birth&#44; of whom forty-seven &#40;94&#37;&#41; required mechanical ventilation due to severe hypoxaemia for a mean of nine days&#46; Eight patients had persistent pulmonary hypertension of the newborn&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">The onset of symptoms occurred later in six patients that received a diagnosis of PH after being assessed for recurrent episodes of bronchitis&#46; The mean chronological age of diagnosis of these six patients was 45 days &#40;range&#44; 30&#8211;180&#41;&#46; Four patients did not develop any clinically significant respiratory symptoms and received the diagnosis of PH following the detection of dextrocardia in the first year of life&#44; and the presence of scimitar syndrome was subsequently confirmed in all&#46;</p><p id="par0085" class="elsevierStylePara elsevierViewall">The diagnosis of PH was suspected in 18 cases of early neonatal death &#40;31&#37;&#41; based on clinical features and compatible plain radiography findings&#46; In 31 cases &#40;51&#46;6&#37;&#41; PH was diagnosed based on chest CT or lung perfusion scintigraphy&#58; both techniques in 14 cases&#44; CT alone in 11 cases&#44; and scintigraphy alone in 6 cases&#46; In patients that underwent scintigraphy&#44; the average perfusion in the affected lung was 29&#37; &#40;range&#44; 8&#8211;44&#37;&#41;&#46; The diagnosis was confirmed by autopsy in 11 patients &#40;19&#37;&#41;&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">As for mortality&#44; a total of 28 patients &#40;47&#37;&#41; died in the first 60 days post birth&#44; with 25 dying in the perinatal period&#46; Seventy-five percent of the deaths occurred in the first day post birth&#46; Using the Kaplan&#8211;Meier method&#44; we estimated that the cumulative probability of death was 25&#37; at 12<span class="elsevierStyleHsp" style=""></span>h post birth and increased to 50&#37; by 60 days post birth &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0095" class="elsevierStylePara elsevierViewall">Four patients were lost to followup&#44; while another 28 were followed up for an average of 5&#46;8 years &#40;range&#44; 0&#46;9&#8211;16&#41;&#46; Of all the patients that had required ventilatory support in the neonatal period&#44; six went on to require home mechanical ventilation &#40;two of them via tracheostomy&#41; for a median of 36 months&#44; and five required home oxygen therapy for a median of 4 months &#40;range&#44; 2&#8211;10 months&#41;&#46; One patient developed pulmonary hypertension&#46; Seventeen patients had recurrent respiratory conditions that were classified as pneumonia and recurrent bronchitis&#44; and four developed scoliosis&#46; We analysed the lung function tests performed in the past five years &#40;<a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#41;&#46; Spirometry manoeuvres met the acceptability criteria in 13 out of a total of 28 patients &#40;42&#46;8&#37;&#59; age range&#44; 5&#8211;17 years&#41;&#44; and plethysmography results were technically adequate in 11 of these 13 children&#46; Five patients had an obstructive pattern &#40;FEV1&#47;FVC<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>lower limits of normal &#91;LLN&#93;&#41;&#59; two had a restrictive pattern &#40;FVC<span class="elsevierStyleHsp" style=""></span>&#60;<span class="elsevierStyleHsp" style=""></span>LLN and FEV1&#47;FVC<span class="elsevierStyleHsp" style=""></span>&#62;<span class="elsevierStyleHsp" style=""></span>LLN and TLC<span class="elsevierStyleHsp" style=""></span>&#62;<span class="elsevierStyleHsp" style=""></span>LLN&#41;&#59; and six had a normal pattern&#44; of whom two had air trapping&#46; Three patients had increased airway resistance&#46; Lung diffusion tests were normal in all 11 patients&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">Twenty-two patients were able to attend school normally and had a normal exercise tolerance for their age&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Discussion</span><p id="par0105" class="elsevierStylePara elsevierViewall">Pulmonary hypoplasia results from an arrest in normal lung development due to various factors that are not yet fully understood&#46; We present a detailed review of the patients that received a PH diagnosis in the past 20 years and were managed by an interdisciplinary team at a tertiary care university hospital&#46; We analysed its various causes and clinical presentation&#44; methods used for diagnosis&#44; treatments and outcomes&#46;</p><p id="par0110" class="elsevierStylePara elsevierViewall">The aetiological distribution of the cases described in this study is consistent with the data found in the literature&#44;<a class="elsevierStyleCrossRefs" href="#bib0240"><span class="elsevierStyleSup">8&#44;20&#44;21</span></a> according to which the most common congenital anomalies associated with PH are diaphragmatic hernia&#44; renal anomalies and skeletal anomalies&#46; We ought to mention other diseases found in our review&#44; such as premature rupture of membranes caused by invasive prenatal procedures such as multifoetal pregnancy reduction or amniocentesis&#44; genetic disorders &#40;trisomy 21&#41;&#44; and some that are less understood&#44; such as foetal akinesia&#47;hypokinesia sequence or Pena-Shokeir syndrome &#40;2 cases in our series&#41;&#44; characterised by polyhydramnios&#44; intrauterine growth restriction&#44; craniofacial and limb anomalies&#44; arthrogryposis&#44; short umbilical cord&#44; PH&#44; and a very low survival&#46;<a class="elsevierStyleCrossRefs" href="#bib0310"><span class="elsevierStyleSup">22&#44;23</span></a> Cases of primary PH are rare and can be unilateral or lobar&#46;<a class="elsevierStyleCrossRef" href="#bib0215"><span class="elsevierStyleSup">3</span></a> In our series&#44; only 7&#46;8&#37; of the cases were classified as primary PH&#46;</p><p id="par0115" class="elsevierStylePara elsevierViewall">Oligohydramnios was the mechanism associated with PH in one third of the cases in our series&#46; Nimrod et al&#46;<a class="elsevierStyleCrossRef" href="#bib0290"><span class="elsevierStyleSup">18</span></a> described a greater impact of premature membrane rupture in foetuses in which rupture occurred before 26 weeks&#8217; gestation and lasted more than five weeks&#44; while Rotschild et al&#46;<a class="elsevierStyleCrossRef" href="#bib0300"><span class="elsevierStyleSup">20</span></a> detected pulmonary hypoplasia in up to 14&#37; of foetuses that experienced oligohydramnios following the rupture of membranes before 29 weeks&#8217; gestation&#46;</p><p id="par0120" class="elsevierStylePara elsevierViewall">Other authors have analysed the correlation between gestational age and the risk of having PH in association with oligohydramnios&#44; concluding that a duration of oligohydramnios of more than 14 days following the rupture of membranes before 25 weeks&#8217; gestation carries a risk of death due to PH of up to 90&#37;&#46;<a class="elsevierStyleCrossRefs" href="#bib0305"><span class="elsevierStyleSup">21&#44;22</span></a> While we did not establish patient subsets in our study to analyse the impact of oligohydramnios based on its duration and gestational age at the time of diagnosis&#44; we found that the mean gestational age at the time oligohydramnios was detected was 27 weeks&#44; which is consistent with the literature&#46;</p><p id="par0125" class="elsevierStylePara elsevierViewall">Also consistently with the literature&#44; the congenital malformation most frequently associated with PH was diaphragmatic hernia&#46;<a class="elsevierStyleCrossRefs" href="#bib0250"><span class="elsevierStyleSup">10&#44;24&#44;25</span></a> This disease is the model that has been used most commonly for the study of early interventions&#44; the pathophysiology&#44; advances in perinatal care and the development of new diagnostic tools in PH&#46;<a class="elsevierStyleCrossRef" href="#bib0330"><span class="elsevierStyleSup">26</span></a> A distinctive aspect of congenital diaphragmatic hernia is that PH develops as an inherent feature of the disease and not solely as a result of lung compression&#44; and the mechanism by which the lung contralateral to the hernia is also affected remains unknown&#46;<a class="elsevierStyleCrossRefs" href="#bib0285"><span class="elsevierStyleSup">17&#44;18</span></a></p><p id="par0130" class="elsevierStylePara elsevierViewall">The prenatal diagnosis of PH and its confirmation in the early neonatal period are key in decreasing the morbidity and mortality associated to this disease&#46; Consequently&#44; the routine use of 3D ultrasound and MRI for prenatal diagnosis has become a care standard&#46;<a class="elsevierStyleCrossRefs" href="#bib0265"><span class="elsevierStyleSup">13&#44;16&#44;27&#44;28</span></a> The current ERS guidelines for the management of congenital diaphragmatic hernia include the use of MRI for the prenatal assessment of affected foetuses&#44; as it performs better than ultrasound in detecting herniation of the liver into the thorax&#44; differentiating diaphragmatic eventrations and accurate volumetry of both the contralateral and ipsilateral lungs&#46;<a class="elsevierStyleCrossRef" href="#bib0345"><span class="elsevierStyleSup">29</span></a> Levine et al&#46;<a class="elsevierStyleCrossRef" href="#bib0335"><span class="elsevierStyleSup">27</span></a> performed MRI scans on 74 foetuses in whom ultrasound had detected thoracic abnormalities&#44; confirming that the use of a complementary noninvasive technique contributed additional information in up to 38&#37; of cases and led to changes in the management of 8&#37; of them&#46; All our patients were assessed by prenatal 3D ultrasound&#44; and patients with severe diaphragmatic hernia were also assessed by MRI&#46;</p><p id="par0135" class="elsevierStylePara elsevierViewall">Of the 24 patients in whom congenital diaphragmatic hernia was diagnosed as the cause of PH&#44; 11 were classified as being at high risk of dying and met the criteria for prenatal surgery&#44; so they underwent FETO&#46; Invasive prenatal surgical procedures have evolved from open surgery with placement of a tracheal clip to the FETO technique in which&#44; after ascertaining lung growth&#44; the balloon is removed prenatally&#46; These techniques have led to an increase in postnatal survival and a decrease in the incidence of secondary pulmonary hypertension&#46;<a class="elsevierStyleCrossRefs" href="#bib0275"><span class="elsevierStyleSup">15&#44;30&#44;31</span></a></p><p id="par0140" class="elsevierStylePara elsevierViewall">After birth&#44; PH may be suspected when plain radiography findings include diaphragmatic domes elevated up to the seventh rib&#44; a bell-shaped thorax&#44; downward sloping ribs&#44; pneumothorax or pneumomediastinum&#46;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;3&#44;32</span></a> Pulmonary perfusion scintigraphy and chest computed tomography are very useful in confirming the diagnosis&#46;<a class="elsevierStyleCrossRefs" href="#bib0225"><span class="elsevierStyleSup">5&#44;32&#8211;37</span></a> In our series&#44; 50&#46;4&#37; of the cases were diagnosed by scintigraphy and CT&#44; 31&#37; by plain radiography and compatible clinical features &#40;cases that could not be confirmed by means of other techniques due to the early death of the patients&#41;&#44; and 19&#37; by autopsy&#46; The average measurement of perfusion by scintigraphy is used to determine the severity of PH&#44; which is considered moderate if perfusion in the involved lung is less than 40&#37;&#46;<a class="elsevierStyleCrossRefs" href="#bib0365"><span class="elsevierStyleSup">33&#8211;35</span></a></p><p id="par0145" class="elsevierStylePara elsevierViewall">The perinatal mortality observed in our series was 41&#46;6&#37;&#44; which was consistent with the various series published in the literature that have described a high perinatal mortality&#46;<a class="elsevierStyleCrossRefs" href="#bib0210"><span class="elsevierStyleSup">2&#44;4&#44;10&#44;15&#44;25</span></a> When we analysed our data&#44; we found that the cumulative probability of dying in the first 12<span class="elsevierStyleHsp" style=""></span>h post birth was 25&#37;&#44; and that this probability rose to 50&#37; by 60 days post birth&#44; a finding that underscored the need to have a highly specialised interdisciplinary team for the management of these patients during the early neonatal period&#46; The clinical manifestations observed most frequently during followup were pneumonia and recurrent bronchitis&#44; consistent with the course of disease described in patients that have undergone surgical repair of congenital diaphragmatic hernia and cases of late onset with similar symptoms&#46;<a class="elsevierStyleCrossRefs" href="#bib0345"><span class="elsevierStyleSup">29&#44;37</span></a> Twenty-five percent of the patients that required mechanical ventilation in the neonatal period and survived required home mechanical ventilation and oxygen supplementation for a median of four months&#46; These data differ from the current literature&#44; which describes a shorter duration of respiratory support&#46;<a class="elsevierStyleCrossRef" href="#bib0370"><span class="elsevierStyleSup">34</span></a> This could be due to a lack of descriptive studies similar to the one we have performed in our population&#46; On the other hand&#44; 16&#37; of our patients developed scoliosis secondary to the unilateral reduction in lung volume&#46; Previous studies have shown that up to 16&#37; of children with a previous history of diaphragmatic hernia have some type of thoracic asymmetry&#44; such as scoliosis or pectus carinatum&#46;<a class="elsevierStyleCrossRef" href="#bib0370"><span class="elsevierStyleSup">34</span></a> Other longitudinal studies in children that had undergone surgical repair of diaphragmatic hernia showed catch-up lung growth and adequate exercise tolerance&#44; with children being able to lead normal lives despite the persistence of asymmetry in radiological images and a lack of changes in perfusion scans&#46;<a class="elsevierStyleCrossRef" href="#bib0295"><span class="elsevierStyleSup">19</span></a> Our study showed similar results&#44; as 77&#37; of the patients that survived in our series could attend school normally and had an adequate exercise tolerance for their age&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall">When it comes to lung function tests&#44; some authors have described an obstructive airway pattern in patients with HP and proposed that bronchoscopy be performed to rule out tracheobronchomalacia&#46;<a class="elsevierStyleCrossRef" href="#bib0390"><span class="elsevierStyleSup">38</span></a> Most studies have reported a predominance of restrictive airway patterns&#44; especially in patients requiring prolonged mechanical ventilation or oxygen therapy&#46;<a class="elsevierStyleCrossRefs" href="#bib0395"><span class="elsevierStyleSup">39&#44;40</span></a> In our case series&#44; few data on lung function were available because we only took into account the data collected in the past five years&#44; during which lung function testing was performed by the same technicians with the same equipment and adhering to the stringent quality and acceptability criteria published by the ERS&#44; to avoid potential biases&#46; Furthermore&#44; most of the patients in followup could not cooperate with spirometry or plethysmography&#46; Thus far&#44; our results have shown a higher proportion of children in followup with an obstructive pattern compared to a restrictive pattern based on spirometry as well as plethysmography&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">In the past two decades&#44; there have been advances in the diagnostic techniques and prenatal interventions for PH&#44; and postnatal care for this disease has been optimised&#46; This has led to the improved management of these patients&#44; although the associated morbidity and mortality continue to be considerable&#46; We believe that further studies are required to assess the impact of these early interventions on future lung development&#46; Furthermore&#44; we must continue to do research to identify other factors that would allow changing the course of PH earlier and by less invasive methods&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Conclusions</span><p id="par0160" class="elsevierStylePara elsevierViewall">PH is a congenital anomaly that can be due to various causes and the prevalence of which is underestimated&#46; It is associated with a high neonatal mortality and significant long-term morbidity&#44; which calls for early diagnosis and intervention by a specialised interdisciplinary team&#46; The development of new diagnostic and surgical techniques has improved survival in these patients&#44; but further research is necessary to identify new factors that would allow changing the course of this disease&#44; along with long-term studies to assess the impact of these interventions&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Conflict of interests</span><p id="par0165" class="elsevierStylePara elsevierViewall">The authors have no conflict of interests to declare&#46;</p></span></span>"
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            0 => "Hipoplasia pulmonar"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Pulmonary hypoplasia is the most frequent congenital anomaly associated with perinatal mortality&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Material and methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A retrospective and descriptive review was conducted on cases of patients diagnosed with pulmonary hypoplasia between 1995 and 2014 in a tertiary university hospital&#46; An analysis was made of the prenatal imaging&#44; clinical manifestations&#44; post-natal diagnostic tests&#44; treatment and management&#44; long-term follow up&#44; and survival data&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">A total of 60 cases were identified&#44; all of them with prenatal imaging&#46; Sixteen patients required foetal surgery&#46; Congenital diaphragmatic hernia was the most frequent diagnosis&#46; Main clinical presentation was respiratory distress with severe hypoxaemia and high requirements of mechanical ventilation&#46; Mortality rate was 47&#37; within first 60 days of life&#44; and 75&#37; for the first day of life&#46; Pneumonia and recurrent bronchitis episodes were observed during follow-up&#46; They had a lung function obstructive pattern&#44; and their quality of life and exercise tolerance was good&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">High neonatal mortality and significant long-term morbidity associated with pulmonary hypoplasia requires an early diagnosis and a specialised multidisciplinary team management&#46;</p></span>"
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      "es" => array:3 [
        "titulo" => "Resumen"
        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Introducci&#243;n</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">La hipoplasia pulmonar es la anomal&#237;a cong&#233;nita m&#225;s frecuentemente asociada a mortalidad perinatal&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Material y m&#233;todos</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Se ha realizado un estudio descriptivo retrospectivo de los casos de hipoplasia pulmonar diagnosticados entre 1995 y 2014 en un hospital universitario de tercer nivel&#44; analizando estudios prenatales&#44; manifestaciones cl&#237;nicas&#44; pruebas diagn&#243;sticas&#44; tratamiento&#44; datos de seguimiento a largo plazo y supervivencia&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Se identificaron 60 casos&#44; todos con estudio prenatal&#46; Diecis&#233;is recibieron intervenci&#243;n quir&#250;rgica intra&#250;tero&#46; La hernia diafragm&#225;tica cong&#233;nita fue la entidad m&#225;s frecuentemente asociada&#46; La manifestaci&#243;n cl&#237;nica m&#225;s habitual fue distr&#233;s respiratorio neonatal&#44; hipoxemia grave y necesidad de soporte con ventilaci&#243;n mec&#225;nica&#46; Se hall&#243; un 47&#37; de mortalidad antes de los 60 d&#237;as de vida y del 75&#37; en las primeras 24 h de vida&#46; Durante el seguimiento de los supervivientes se detectaron episodios de neumon&#237;as y bronquitis recidivantes&#44; funci&#243;n pulmonar con patr&#243;n obstructivo y aceptable calidad de vida y tolerancia al ejercicio&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">La elevada mortalidad neonatal y la importante morbilidad a largo plazo de la hipoplasia pulmonar requieren de un diagn&#243;stico temprano y la intervenci&#243;n de un equipo multidisciplinar especializado&#46;</p></span>"
        "secciones" => array:4 [
          0 => array:2 [
            "identificador" => "abst0025"
            "titulo" => "Introducci&#243;n"
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          1 => array:2 [
            "identificador" => "abst0030"
            "titulo" => "Material y m&#233;todos"
          ]
          2 => array:2 [
            "identificador" => "abst0035"
            "titulo" => "Resultados"
          ]
          3 => array:2 [
            "identificador" => "abst0040"
            "titulo" => "Conclusiones"
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    "NotaPie" => array:1 [
      0 => array:2 [
        "etiqueta" => "&#9734;"
        "nota" => "<p class="elsevierStyleNotepara" id="npar0015">Please cite this article as&#58; Delgado-Pe&#241;a YP&#44; Torrent-Vernetta A&#44; Sacoto G&#44; de Mir-Messa I&#44; Rovira-Amigo S&#44; Gartner S&#44; et al&#46; Hipoplasia pulmonar&#58; an&#225;lisis de la casu&#237;stica durante 20 a&#241;os&#46; An Pediatr &#40;Barc&#41;&#46; 2016&#59;85&#58;70&#8211;76&#46;</p>"
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        "etiqueta" => "Figure 1"
        "tipo" => "MULTIMEDIAFIGURA"
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          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Kaplan&#8211;Meier survival curve of cases of pulmonary hypoplasia&#46;</p>"
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                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Abnormalities of the thoracic cavity&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Abnormalities in foetal lung fluid flow&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Abnormalities in foetal breathing movements&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Space-occupying lesions in the chest<br>Congenital diaphragmatic hernia<br>Malformation of the airways &#40;such as cystic adenomatoid malformation&#41;<br>Pleural effusion<br>Exomphalos<br>Gastroschisis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " rowspan="4" align="left" valign="top">Hypoplastic left or right heart<br>Pulmonary stenosis<br>Oligohydramnios<br>Renal agenesis<br>Cystic dysplasia<br>Urinary outflow obstruction<br>Prolonged rupture of membranes<br>Hydrops fetalis</td><td class="td" title="table-entry  " rowspan="4" align="left" valign="top">Neuromuscular disorders<br>Neurological problems<br>Pena-Shokeir syndrome</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Chest wall malformations&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Kyphoscoliosis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Skeletal dysplasias&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
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          "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Classification of the underlying conditions that may cause secondary pulmonary hypoplasia&#46;</p>"
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                0 => """
                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Causes of pulmonary hypoplasia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Number of cases &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Deceased patients&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Patients that required mechanical ventilation in the neonatal period&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Patients that received home mechanical ventilation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Diaphragmatic hernia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">24 &#40;40&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">23&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Left&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">16&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Bilateral&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Right&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Diaphragmatic paralysis-eventration&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Renal&#47;urinary tract malformation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">6 &#40;10&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Invasive prenatal intervention&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3 &#40;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Hydrops fetalis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3 &#40;5&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Premature rupture of membranes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Oligohydramnios of unknown aetiology&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Congenital hydrothorax&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Jeune syndrome&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Scimitar syndrome&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">5 &#40;8&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Intrathoracic masses&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Unknown aetiology &#40;associated with Down syndrome&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1 &#40;1&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Foetal akinesia&#47;hypokinesia sequence&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2 &#40;3&#44;3&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Primary pulmonary hypoplasia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">4 &#40;6&#44;6&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">Distribution of aetiologies and outcomes of cases of pulmonary hypoplasia diagnosed between 1995 and 2014&#46;</p>"
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                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Patient&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">FVC <span class="elsevierStyleItalic">z</span>-score<a class="elsevierStyleCrossRef" href="#tblfn0005"><span class="elsevierStyleSup">a</span></a>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</th><th class="td" title="table-head  " align="left" valign="top" scope="col" style="border-bottom: 2px solid black">Interpretation&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;55&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;85&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;36&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;70&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;59&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">3&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&#46;18&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;29&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;41&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;44&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;88&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Restrictive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">5&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;67&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;43&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;90&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;69&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;08&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;05&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;92&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;3&#46;12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;84&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;7&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;15&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;72&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Restrictive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;49&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;25&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">1&#46;96&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;9&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;01&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;37&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;08&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;67&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;1&#46;00&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">12&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;48&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;2&#46;24&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;35&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">&#8211;0&#46;31&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Obstructive&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;73&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;84&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;00&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top">0&#46;42&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="left" valign="top">Normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="table-entry ; entry_with_role_rowhead " align="left" valign="top">Median <span class="elsevierStyleItalic">z</span>-score &#40;range&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top"><span class="elsevierStyleBold">&#8211;2&#46;55 &#40;&#8211;3&#46;92 to 0&#46;84&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top"><span class="elsevierStyleBold">&#8211;1 &#40;&#8211;3&#46;12 to 0&#46;37&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="char" valign="top"><span class="elsevierStyleBold">&#8211;0&#46;25 &#40;&#8211;1&#46;88 to 1&#46;96&#41;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="table-entry  " align="" valign="top">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
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              "nota" => "<p class="elsevierStyleNotepara" id="npar0005"><span class="elsevierStyleItalic">z</span>-score&#58; Global Lung Function reference equations &#40;GLI&#41;&#46;</p>"
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              "nota" => "<p class="elsevierStyleNotepara" id="npar0010"><span class="elsevierStyleItalic">z</span>-score&#58; total lung capacity &#40;TLC&#41; plethysmography using the Rosenthal reference equations&#46;</p>"
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        "descripcion" => array:1 [
          "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Results of the analysis of lung function tests performed in the past five years in children with pulmonary hypoplasia diagnosed between 1995 and 2014 at the Hospital Universitario Vall d&#8217;Hebron de Barcelona&#46;</p>"
        ]
      ]
    ]
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      "titulo" => "References"
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              "identificador" => "bib0205"
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                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Pulmonary hypoplasia"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:1 [
                            0 => "H&#46; Porter"
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                    0 => array:2 [
                      "doi" => "10.1136/fn.81.2.F81"
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                        "tituloSerie" => "Arch Dis Child Fetal Neonatal Ed"
                        "fecha" => "1999"
                        "volumen" => "81"
                        "paginaInicial" => "F81"
                        "paginaFinal" => "F83"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/10448173"
                            "web" => "Medline"
                          ]
                        ]
                      ]
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              "identificador" => "bib0210"
              "etiqueta" => "2"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "The fetal lung 2&#58; pulmonary hypoplasia"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "J&#46;A&#46; Laudy"
                            1 => "J&#46;M&#46; Wladimiroff"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1046/j.1469-0705.2000.00252.x"
                      "Revista" => array:7 [
                        "tituloSerie" => "Ultrasound Obstet Gynecol"
                        "fecha" => "2000"
                        "volumen" => "16"
                        "paginaInicial" => "482"
                        "paginaFinal" => "494"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/11169336"
                            "web" => "Medline"
                          ]
                        ]
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                          "pii" => "S1552526016302448"
                          "estado" => "S300"
                          "issn" => "15525260"
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              "identificador" => "bib0215"
              "etiqueta" => "3"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Primary unilateral pulmonary hypoplasia&#58; neonate through early childhood&#58; case report&#44; radiographic diagnosis and review of the literature"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "M&#46;E&#46; Abrams"
                            1 => "V&#46;L&#46; Ackerman"
                            2 => "W&#46;A&#46; Engle"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1038/sj.jp.7211156"
                      "Revista" => array:6 [
                        "tituloSerie" => "J Perinatol"
                        "fecha" => "2004"
                        "volumen" => "24"
                        "paginaInicial" => "667"
                        "paginaFinal" => "670"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/15454946"
                            "web" => "Medline"
                          ]
                        ]
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                ]
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              "etiqueta" => "4"
              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Pulmonary hypoplasia with hepatic and renal anomalies in a dead fetus"
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                        0 => array:2 [
                          "etal" => false
                          "autores" => array:3 [
                            0 => "B&#46; Ravindrakumar"
                            1 => "V&#46;S&#46; Devi"
                            2 => "U&#46;U&#46; Rani"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.4103/0970-2113.95329"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lung India"
                        "fecha" => "2012"
                        "volumen" => "29"
                        "paginaInicial" => "163"
                        "paginaFinal" => "165"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/22628933"
                            "web" => "Medline"
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            4 => array:3 [
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              "referencia" => array:1 [
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                    0 => array:2 [
                      "titulo" => "Hipoplasia pulmonar infantil"
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                          "autores" => array:6 [
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ISSN: 23412879
Original language: English
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2024 August 134 90 224
2024 July 129 46 175
2024 June 129 44 173
2024 May 131 56 187
2024 April 136 51 187
2024 March 128 45 173
2024 February 115 41 156
2024 January 132 47 179
2023 December 161 33 194
2023 November 165 36 201
2023 October 111 38 149
2023 September 106 36 142
2023 August 96 24 120
2023 July 130 29 159
2023 June 111 35 146
2023 May 148 29 177
2023 April 105 24 129
2023 March 124 37 161
2023 February 119 20 139
2023 January 113 20 133
2022 December 91 29 120
2022 November 117 53 170
2022 October 88 48 136
2022 September 78 40 118
2022 August 87 48 135
2022 July 59 44 103
2022 June 75 33 108
2022 May 101 59 160
2022 April 79 49 128
2022 March 107 60 167
2022 February 121 35 156
2022 January 140 40 180
2021 December 86 56 142
2021 November 99 68 167
2021 October 107 75 182
2021 September 103 67 170
2021 August 112 52 164
2021 July 120 46 166
2021 June 97 69 166
2021 May 152 75 227
2021 April 275 97 372
2021 March 171 65 236
2021 February 139 42 181
2021 January 181 29 210
2020 December 147 40 187
2020 November 123 28 151
2020 October 118 29 147
2020 September 105 32 137
2020 August 141 28 169
2020 July 108 24 132
2020 June 97 29 126
2020 May 128 36 164
2020 April 150 30 180
2020 March 211 19 230
2020 February 124 28 152
2020 January 142 28 170
2019 December 111 42 153
2019 November 119 23 142
2019 October 137 32 169
2019 September 103 27 130
2019 August 115 33 148
2019 July 80 45 125
2019 June 91 30 121
2019 May 161 37 198
2019 April 112 50 162
2019 March 83 32 115
2019 February 65 28 93
2019 January 151 43 194
2018 December 161 39 200
2018 November 148 41 189
2018 October 244 28 272
2018 September 109 17 126
2018 July 2 0 2
2018 June 3 0 3
2018 May 5 0 5
2018 April 18 0 18
2018 March 32 0 32
2018 February 18 0 18
2018 January 18 0 18
2017 December 19 0 19
2017 November 24 0 24
2017 October 26 0 26
2017 September 41 0 41
2017 August 23 0 23
2017 July 33 0 33
2017 June 62 12 74
2017 May 43 14 57
2017 April 23 11 34
2017 March 15 7 22
2017 February 10 12 22
2017 January 15 9 24
2016 December 23 15 38
2016 November 42 21 63
2016 October 38 26 64
2016 September 40 8 48
2016 August 62 13 75
2016 July 21 7 28
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¿Es usted profesional sanitario apto para prescribir o dispensar medicamentos?

Are you a health professional able to prescribe or dispense drugs?