ANOMALOUS LEFT CORONARY ARTERY ORIGINATING FROM THE PULMONARY ARTERY

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Abstract
The follow-up of two infants subjected to ligation of an anomalous left coronary artery at its insertion in the pulmonary artery, are presented. Both patients are essentially asymptomatic, one 7 years and the other 2 years postoperatively. Mitral regurgitation, a dominant feature in both infants preoperatively, disappeared some months after coronary artery ligation. A large preoperative atrial left-to-right shunt, secondary to mitral regurgitation and disappearing postoperatively, masked the presence of the shunt into the pulmonary artery in one patient. Although both patients are doing extremely well clinically, evidence of appreciable residual cardiac damage is present in the electrocardiogram, in the chest x-ray, at cardiac catheterization, and in the left ventricular volume studies of one patient.

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