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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivos</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Describir la cronolog&#237;a de adquisici&#243;n de la sedestaci&#243;n y la marcha en los ni&#241;os con un peso al nacer menor de 1&#46;500 g con desarrollo motor normal a los 2 a&#241;os de edad&#44; y determinar si la presencia de hiperton&#237;a transitoria retrasa la adquisici&#243;n de la sedestaci&#243;n o la marcha&#46;</p> <span class="elsevierStyleSectionTitle">M&#233;todos</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Estudio observacional de una cohorte de ni&#241;os con peso al nacer menor de 1&#46;500 g atendidos entre enero de 1991 y diciembre de 1996 en el Servicio de Neonatolog&#237;a del Hospital 12 de Octubre&#46; A los 2 a&#241;os 260 ni&#241;os ten&#237;an un desarrollo motor normal y&#44; de &#233;stos&#44; un 36&#37; hab&#237;an sido diagnosticados de hiperton&#237;a transitoria en la evoluci&#243;n&#46; Las edades de sedestaci&#243;n y marcha se establecieron por entrevista a los padres y se confirmaron por la exploraci&#243;n&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">La edad corregida &#40;EC&#41; media a la que alcanzaron la sedestaci&#243;n fue 7&#44;2 &#177; 1&#44;4 meses&#46; El 90&#37; hab&#237;a alcanzado la sedestaci&#243;n a los 9 meses de EC&#46; Con respecto a la marcha&#44; la edad media a la que se alcanz&#243; fue 13&#44;4 &#177; 2&#44;8 meses&#46; El 90&#37; hab&#237;a alcanzado la marcha a los 16 meses&#46; Los ni&#241;os con y sin hiperton&#237;a transitoria alcanzaron la sedestaci&#243;n y la marcha a la misma EC&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">El 90&#37; de los ni&#241;os con un peso al nacer menor de 1&#46;500 g que a los 2 a&#241;os tienen un desarrollo motor normal ha alcanzado la sedestaci&#243;n a los 9 meses de EC y la marcha a los 16 meses de EC&#46; La hiperton&#237;a transitoria no parece modificar la cronolog&#237;a de adquisiciones motoras por lo que se puede considerar una variante de la normalidad en la evoluci&#243;n de los grandes prematuros&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">To estimate the corrected age &#40;CA&#41; of acquisition of sitting and walking in very low birth weight infants with normal motor outcome at 2 years of age and to determine whether transient hypertonia is associated with a delay in the acquisition of sitting and walking&#46;</p> <span class="elsevierStyleSectionTitle">Methods</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Follow-up study of very low birth weight infants &#40;under 1500 g&#41; admitted to the Neonatology Department of the Hospital 12 de Octubre from January 1991 to December 1996&#46; At 2 years of age&#44; 260 infants had normal motor outcome and 36&#37; of these had been diagnosed with transient hypertonia&#46; The age at which sitting and walking were attained was recorded by interview with the parents and was confirmed by examination&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">The mean CA at which sitting was attained was 7&#46;2 &#177; 1&#46;4 months&#46; Ninety percent of the infants had acquired sitting at a CA of 9 months&#46; Mean age at which walking was attained was 13&#46;4 &#177; 2&#46;8 months&#46; Ninety percent could walk at 16 months&#46; Infants with and without transient hypertonia acquired sitting and walking at the same age&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Ninety percent of very low birth weight infants attained sitting at a CA of 9 months and walking at a CA of 16 months&#46; Transient hypertonia did not modify the pattern of sitting and walking and it could be considered a variation of normality within the development of very premature infants&#46;</p>"
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Vol. 53. Núm. 1.
Páginas 43-47 (julio 2000)
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Vol. 53. Núm. 1.
Páginas 43-47 (julio 2000)
Acceso a texto completo
Edad de sedestación y marcha en niños con peso al nacer menor de 1.500 g y desarrollo motor normal a los dos años
Age for sitting and walking in very-lowbirth-weight infants with normal motor outcome at 2 years of age
Visitas
10609
C.R. Pallás Alonsoa,
Autor para correspondencia
jdlcruz@h12o.es

Correspondencia: Servicio de Neonatología. Hospital 12 de Octubre.Avda. de Andalucía, km 5,4. 28041 Madrid.
, J. de la Cruz Bértolob, M.C. Medina Lópeza, G. Bustos Lozanoa, C. de Alba Romeroa, R. Simón de las Herasc
a Servicio de Neonatología.
b Unidad de Epidemiología Clínica.
c Sección de Neurología Infantil. Hospital 12 de Octubre. Madrid.
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Estadísticas
Objetivos

Describir la cronología de adquisición de la sedestación y la marcha en los niños con un peso al nacer menor de 1.500 g con desarrollo motor normal a los 2 años de edad, y determinar si la presencia de hipertonía transitoria retrasa la adquisición de la sedestación o la marcha.

Métodos

Estudio observacional de una cohorte de niños con peso al nacer menor de 1.500 g atendidos entre enero de 1991 y diciembre de 1996 en el Servicio de Neonatología del Hospital 12 de Octubre. A los 2 años 260 niños tenían un desarrollo motor normal y, de éstos, un 36% habían sido diagnosticados de hipertonía transitoria en la evolución. Las edades de sedestación y marcha se establecieron por entrevista a los padres y se confirmaron por la exploración.

Resultados

La edad corregida (EC) media a la que alcanzaron la sedestación fue 7,2 ± 1,4 meses. El 90% había alcanzado la sedestación a los 9 meses de EC. Con respecto a la marcha, la edad media a la que se alcanzó fue 13,4 ± 2,8 meses. El 90% había alcanzado la marcha a los 16 meses. Los niños con y sin hipertonía transitoria alcanzaron la sedestación y la marcha a la misma EC.

Conclusiones

El 90% de los niños con un peso al nacer menor de 1.500 g que a los 2 años tienen un desarrollo motor normal ha alcanzado la sedestación a los 9 meses de EC y la marcha a los 16 meses de EC. La hipertonía transitoria no parece modificar la cronología de adquisiciones motoras por lo que se puede considerar una variante de la normalidad en la evolución de los grandes prematuros.

Objective

To estimate the corrected age (CA) of acquisition of sitting and walking in very low birth weight infants with normal motor outcome at 2 years of age and to determine whether transient hypertonia is associated with a delay in the acquisition of sitting and walking.

Methods

Follow-up study of very low birth weight infants (under 1500 g) admitted to the Neonatology Department of the Hospital 12 de Octubre from January 1991 to December 1996. At 2 years of age, 260 infants had normal motor outcome and 36% of these had been diagnosed with transient hypertonia. The age at which sitting and walking were attained was recorded by interview with the parents and was confirmed by examination.

Results

The mean CA at which sitting was attained was 7.2 ± 1.4 months. Ninety percent of the infants had acquired sitting at a CA of 9 months. Mean age at which walking was attained was 13.4 ± 2.8 months. Ninety percent could walk at 16 months. Infants with and without transient hypertonia acquired sitting and walking at the same age.

Conclusions

Ninety percent of very low birth weight infants attained sitting at a CA of 9 months and walking at a CA of 16 months. Transient hypertonia did not modify the pattern of sitting and walking and it could be considered a variation of normality within the development of very premature infants.

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Copyright © 2000. Asociación Española de Pediatría
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