Özet:

Double left anterior descending artery, defined as the presence of two different arteries within anterior interventricular sulcus is a relatively rare coronary anomaly. In this anomaly divided into four types, type IV can be differentiated from the other types with a long left anterior descending artery originating from right coronary artery. In this report, we present a case of type IV dual left anterior descending artery anomaly in a 72-year-old male patient. Although type IV double left anterior descending artery was in association with various congenital heart diseases in the previous reports, the presence of atherosclerosis in long left anterior descending artery has not been reported previously. In our case, both the long anterior descending and the circumflex arteries demonstrated atherosclerotic stenosis. These lesions were concluded to have resulted from long-term smoking and hyperlipidemia.

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