Reconstruction of coronary artery anomaly in an infant using the internal mammary artery: 10-year follow-up
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We report a case of tetralogy of Fallot with an unsuspected anomalous left anterior descending coronary artery arising from the right coronary artery and crossing the right ventricular outflow tract in a 16-month-old infant. During operation, the anomalous artery was severed. Successful repair of the intracardiac anomalies was performed, including left anterior descending-internal mammary artery reconstruction of the anomalous artery. This case illustrates the importance of delineation of coronary artery anatomy and even selective coronary arteriography in patients with tetralogy of Fallot, since anomalous coronary arteries occur most frequently in association with other cardiac anomalies. Arteriography 10 years later revealed a patent anastomosis to the left anterior descending artery, proving the durability of the internal mammary artery in a patient we believe to be the youngest to have undergone bypass with this particular conduit.
Key wordsAnomalous coronary artery Tetralogy of Fallot Internal mammary artery
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