Arterial switch operation: myocardial ischemia reversed by internal mammary artery graft.

Ann Thorac Surg

Department of Cardiac Surgery, Ospedali Riuniti di Bergamo, Italy.

Published: August 1996

We report a case in which an internal mammary artery graft to the left anterior descending coronary artery was successfully used in a newborn boy to reverse life-threatening myocardial ischemia 24 hours after arterial switch operation. One year later, angiography showed patency of both the graft and the transposed coronary ostium with normal left ventricular function. A brief review of the literature shows encouraging results of internal mammary artery grafts in pediatric patients.

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