Anomalous origin of the left coronary artery from the pulmonary artery: A case report with remarkable improvement of myocardial function following subclavian artery—Coronary artery anastomosis

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Abstract
A 3 2/12‐year‐old boy with anomalous origin of the left coronary artery from the pulmonary artery was successfully treated by anastomosis of the left subclavian artery to the anomalous vessel. A remarkable improvement in left ventricular function and electrocardiogram has occurred postoperatively. This case report supports the postulation that chronically hypoperfused, electrically silent, and minimally contractile myocardial tissue may acquire its electrical activity and function with the establishment of adequate coronary perfusion.