Isolated coronary ostial stenosis in elderly patients: Correction by directional coronary atherectomy

Coronary ostial stenosis rarely occurs in the absence of other coronary artery disease. Fewer than 50 cases of nonsyphilitic isolated coronary ostial stenosis have been reported according to a review of the literature.lm4 The vast majority of patients in these reported cases were prememopausal women. There are a few reports of it occurring in young male patientss4 The majority of the reported cases of isolated coronary ostial stenosis were corrected by coronary artery bypass surgery.l-” Recent studies have shown angioplasty to have disappointing results in the correction of coronary ostial stenosis.5-6 Two cases of an isolated coronary ostial stenosis in elderly patients are reported here: stenosis was corrected by directional coronary atherectomy. Case 1. An 81-year-old woman with no previous history of cardiac disease suddenly experienced severe retrosternal