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Vol. 54. Issue 6.
Pages 595-597 (1 June 2001)
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Vol. 54. Issue 6.
Pages 595-597 (1 June 2001)
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Eficacia de la lidocaína en la taquicardia ventricular isquémica neonatal
Efficacy of lidocaine in neonatal ischemic ventricular tachycardia
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F. Benito Bartoloméa,*, R.M. Funes Moñuxb
a Unidad de Arritmias. Laboratorio de Electrofisiología Clínica Cardíaca
b Unidad de Cuidados Intensivos Neonatales. Hospital Infantil La Paz. Madrid
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Se practicó corrección anatómica en un recién nacido que había sido diagnosticado de d-transposición de las grandes arterias a los 7 días de vida. El patrón coronario era de tipo 2, con origen común de la arteria coronaria derecha y circunfleja del seno coronario derecho y origen independiente de la arteria coronaria descendente anterior del seno coronario izquierdo. En el postoperatorio inmediato presentó isquemia coronaria anteroseptal y varios episodios de taquicardia ventricular monomórfica sostenida. Estos últimos cesaron con lidocaína intravenosa en bolo, y perfusión durante 48 horas. A los 6 meses de la operación, el electrocardiograma (ECG) es normal, sin signos de isquemia ni necrosis, ni recurrencia de la taquicardia.

Palabras clave:
Isquemia
Transposición de las grandes arterias
Taquicardia

A newborn diagnosed with D-transposition of the great arteries underwent an arterial switch operation when she was 7-days old. The coronary pattern was of type 2, with right coronary and circumflex arteries from the right sinus and anterior descending artery from the left sinus. Early post-repair electrocardiogram showed acute myocardial ischemia of the anterior septum and multiple episodes of sustained monomorphic ventricular tachycardia. Bolus and continuous infusion of intravenous lidocaine successfully terminated all episodes of ventricular tachycardia. At 6 months' follow-up the electrocardiogram was normal, without signs of myocardial ischemia or myocardial necrosis and without recurrence of ventricular tachycardia.

Key words:
Ischemia
Transposition of the great arteries
Tachycardia
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Bibliografía
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Copyright © 2001. Asociación Española de Pediatría
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