Abstract
A 79-year-old man, who had sustained nonpenetrating chest trauma 1 month previously, was admitted for dyspnea. Echocardiography demonstrated prolapse of the noncoronary aortic cusp with severe regurgitation. Aortography showed no intimal flap in the ascending aorta. Coronary arteriography showed dissection extending from the left main trunk to the proximal circumflex artery. At surgery, no abnormalities were found in the aortic wall or around the left coronary ostium. Avulsion of the commissure between the right coronary cusp and the noncoronary cusp from its aortic wall attachment was detected. Aortic valve replacement and coronary artery bypass grafting were performed.
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