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Vol. 63. Issue 6.
Pages 551-554 (01 December 2005)
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Vol. 63. Issue 6.
Pages 551-554 (01 December 2005)
Notas clínicas
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Transfusión fetofetal y complicaciones cardiovasculares
Twin-twin transfusion syndrome and cardiovascular complications
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P. Betrián Blasco
Corresponding author
pedrobetrian@yahoo.es

Correspondencia: Dr. P. Betrián Blasco. Fraga, 18, 3.° C. 50003 Zaragoza. España.
, J. Girona Comas, D.C. Albert Brotons
Servicio de Cardiología Pediátrica. Hospital Maternoinfantil Vall d’Hebron. Barcelona. España
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Introducción

El síndrome de transfusión fetofetal presenta una importante morbimortalidad, en parte debida a las alteraciones cardiovasculares que genera.

Casos clínicos

Paciente 1. Se realiza cesárea en la semana 28 por disfunción miocárdica e insuficiencia tricuspídea grave en el feto receptor. A las 12 h de vida, el feto receptor desarrolla un shock refractario. Se objetiva hipertrofia biventricular grave, que acaba en fallecimiento a las 60 h de vida en fallo multiorgánico.

Paciente 2. Se practica cesárea en la semana 29 por cardiomegalia e insuficiencia cardíaca congestiva. Al nacer presenta mala perfusión periférica e hipertensión. Se objetiva hipertrofia biventricular que progresa hasta generar una estenosis medioventricular derecha ligera a las 72 h. Se inicia regresión al octavo día y persiste ligera hipertrofia a los 6 meses.

Discusión

Las alteraciones cardíacas en el síndrome de transfusion fetofetal aparecen sólo en los fetos receptores. Los hallazgos más frecuentes son la existencia de dilatación, hipertrofia, disfunción miocárdica, insuficiencia tricuspídea y estenosis pulmonar. Estas alteraciones suelen regresar con los meses, pudiendo también empeorar.

Palabras clave:
Miocardiopatía
Hipertrofia
Síndrome de transfusion fetofetal
Embarazo gemelar
Introduction

Twin-twin transfusion syndrome carries high morbidity and mortality, related in part to the cardiovascular alterations that it produces.

Case report

Patient 1 underwent a cesarian section at week 28 due to myocardial dysfunction and severe tricuspid regurgitation in the recipient twin. Twelve hours after birth the recipient twin developed refractory shock. Severe biventricular hypertrophy was observed and the twin died 60 hours after birth from multisystemic failure.

Patient 2 underwent a cesarian section at week 29 due to cardiomegaly and cardiac insufficiency in the recipient twin. At birth, he showed hypertension and poor peripheral perfusion. Biventricular hypertrophy was observed, which increased until it produced a mild right midventricular stenosis at 72 hours, decreasing after the 8th day. Mild hypertrophy persisted at 6 months of life.

Discussion

Cardiovascular alterations appear only in recipient fetuses affected by twin-twin transfusion syndrome. The most frequent findings are cardiac dilation, hypertrophy, myocardial dysfunction, tricuspid regurgitation and pulmonary stenosis. These alterations usually disappear during the first few months of life, but may also worsen.

Key words:
Cardiomyopathy
Hypertrophy
Twin-twin transfusion syndrome
Twin pregnancy
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Bibliografía
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