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a Division of Cardiothoracic Surgery, Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
b Department of Cardiothoracic Surgery, Drexel University College of Medicine, Philadelphia, Pennsylvania
c Department of Pediatric Cardiology, Drexel University College of Medicine, Philadelphia, Pennsylvania
Accepted for publication July 29, 2008.
* Address correspondence to Dr Youdelman, Division of Cardiothoracic Surgery, Department of Surgery, Thomas Jefferson University, 1025 Walnut St, Suite 607, Philadelphia, PA 19107 (Email: benjamin.youdelman{at}jefferson.edu).
Anomalous aortic origin of a coronary artery found in a symptomatic 9-year-old boy was initially treated with coronary artery bypass grafting using a left internal mammary artery anastomoses to the left anterior descending coronary artery, but resulted in coronary ischemia, likely from a steal phenomenon. Subsequent transection of the proximal left internal mammary artery with anastomosis to the ascending aorta, and coronary ostial enlargement, resulted in a durable treatment. We recommend caution in choosing coronary artery bypass grafting using a left internal mammary artery pedicle graft for the treatment of anomalous aortic origin of a coronary artery.
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