Abstract
During the initial perioperative period (1 mo to 1 yr) after saphenous vein coronary grafting, early stenosis and occlusion occurs in 5-8% of grafts due to intimal hyperplasia. We report a patient who developed ostial stenosis within 4 mo of bypass surgery at the aortotomy site of two vein grafts. Balloon angioplasty of the elastic stenoses did not provide significant luminal enlargement, but successful treatment of the lesions was obtained using directional atherectomy. Histological examination demonstrated intimal hyperplasia. Directional atherectomy may be an excellent technique for treatment of elastic ostial vein graft stenoses in lieu of conventional balloon dilatation.
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