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  • Title: Anomalous origin of the right coronary artery from the pulmonary artery in association with a ventricular septal defect.
    Author: Maluf MA, Smith M, Abellan DM, Troster EJ, Takaoka F, Rati M, Faiwichow G.
    Journal: Tex Heart Inst J; 1997; 24(3):226-9. PubMed ID: 9339515.
    Abstract:
    Origin of the right coronary artery from the pulmonary artery is a rare lesion occasionally found at angiography or autopsy. We report the rare preoperative diagnosis, in a child, of anomalous origin of the right coronary artery from the pulmonary artery, in association with a ventricular septal defect. The chest radiograph was normal, but auscultation revealed a continuous murmur at the left sternal border and electrocardiography showed right and left ventricular hypertrophy. A transthoracic echocardiogram depicted anomalous origin of the right coronary artery from the pulmonary artery. Color-flow Doppler echocardiography indicated possible right-coronary-artery-to-right-ventricle fistulae. Diagnosis was made by selective left coronary arteriography, which showed retrograde filling of the right coronary artery from collateral vessels. Selective left coronary arteriography depicted intercoronary flow, with no fistulae. Operative repair consisted of moving the proximal right coronary artery from its origin at the pulmonary trunk to the aorta. An associated procedure for correction of the ventricular septal defect was performed. The postoperative cardiac angiogram showed that the ventricular septal defect was closed and that flow through the right coronary artery was normal. Preoperative diagnosis of anomalous origin of the right coronary artery from the pulmonary artery is important, because this condition is surgically correctable.
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