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  • Title: [Right ventricular outflow tract reconstruction in two neonates with pulmonary atresia and intact ventricular septum].
    Author: Kitano M, Yakota M, Kyoku I, Mizuhara H, Sakamoto K, Shimada I.
    Journal: Nihon Kyobu Geka Gakkai Zasshi; 1990 Jul; 38(7):1209-13. PubMed ID: 2212785.
    Abstract:
    Two neonates, aged 8 and 18 days, with pulmonary atresia and intact ventricular septum underwent right ventricular outflow tract reconstruction with an autologous pericardial transannular patch. Preoperative cardiac catheterization revealed a tripartite right ventricular morphology with suprasystemic right ventricular morphology with suprasystemic right ventricular systolic pressure (right ventricular to left ventricular peak pressure ratio was 1.2 in case 1 and 2.0 in case 2). Right ventricular volume was 73.5% of normal and 115% of normal respectively. Generous resection of the infundibular myocardium was done and a patch was inserted with the heart kept beating as the perfusate temperature of 32 degrees C. In case 1 a modified Blalock-Taussig shunt was added on the postoperative day 21, because of the insufficient growth of the right ventricle, but in case 2 prostaglandin E1 could be discontinued on the postoperative day 9.
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