Abstract

Isolated and severe left main coronary ostial stenosis is a rare condition. In the majority of these patients, ostial stenosis has been associated with any of the conditions known to involve the coronary ostia. These conditions include syphilitic aortitis, Takayasu’s aortitis, familial hypercholesterolemia, and aortic valve disease. A 34-year old female patient was presented with exertional and stabbing anterior chest pain. There was no history of syphilis, diabetes mellitus, hypertension, hyperlipidemia or smoking. Coronary angiogram showed isolated left main coronary ostial stenosis. Transesophageal echocardiography (TEE) showed acute angle takeoff of the left main coronary artery. The patient underwent surgical angioplasty of the coronary ostia with a patch of the autologous pericardium. Following angioplasty, TEE showed dilatation of the left main coronary ostium and the clinical symptoms improved. (Korean Circulation J 2001;31(4):442-446)

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