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Original Article

Coronary endarterectomy—angiographic and clinical results

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Pages 95-102 | Accepted 20 Jun 1988, Published online: 12 Jul 2009
 

Abstract

Of 75 patients who underwent coronary endarterectomy, 16% had left main stem stenosis, 4% one-vessel, 27% two-vessel and 53% three-vessel disease. On average 2.9 grafts per patient were inserted, in conjunction with 82 manual endarterectomies (38 right coronary, 35 left anterior descending, 9 circumflex branches). In 68/75 cases (91%) the endarterectomy was not preplanned and in 39 cases (52%) ≥3 cm of the atherosclerotic core was removed. All four early deaths (5%) followed endarterectomy of LAD. Acute perioperative myocardial infarction was confirmed in 19% and probable in further 8%. At angiography 1–139 (median 25) months postoperatively, all three internal mammary artery grafts and 19/34 saphenous vein grafts (56%) to endarterectomized vessels were patent, though in 4 of the 19, the coronary artery was occluded distal to the anastomosis. In addition 17/18 conventional internal mammary artery (94%) and 48/59 conventional saphenous vein grafts (81%) were patent. The vein graft patency rate was not significantly influenced by postoperative anticoagulant therapy, but was significantly increased among patients with relief of angina: 44% reported freedom from angina and 92% at least some relief after a median of 3 years. The 5-year and 10-year survival rates were 85% and 68%. Despite the increased risk, endarterectomy can be recommended for severely diseased major coronary arteries.

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