• Pediatric cardiology · Nov 1998

    Case Reports

    Double outlet right ventricle with intact atrial septum and restrictive ventricular septal defect: an analysis of two cases.

    • J F Cavalini, V D Aiello, P Guedes de Souza, I V Trevisan, M B Marcial, and M Ebaid.
    • Division of Pediatric Cardiology, Instituto do Coração do Hospital das Clínicas da FMUSP, Avenida Dr. Enéas de Carvalho Aguiar, 44, CEP 05403-000, São Paulo, SP-Brazil.
    • Pediatr Cardiol. 1998 Nov 1; 19 (6): 490-4.

    AbstractTwo cases of double outlet right ventricle with restrictive ventricular septal defect are described. This is an uncommon presentation that causes left ventricular dysfunction because of left ventricular outflow tract obstruction. The presence of an intact atrial septum leads to severe pulmonary hypertension, which tends to aggravate the right ventricular output. In the presence of a normal left ventricle, the authors suggest the possibility of enlargement of the ventricular septal defect in order to perform a biventricular repair. The association of a supramitral valve ring in both cases, and the isolation of the left subclavian artery and an aortopulmonary fenestration in one of these cases, are also discussed. In addition we explore factors that cause restrictive ventricular septal defects as well as the mechanisms that may lead to spontaneous closure of ventricular septal defect in a double outlet right ventricle.

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