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European Journal of Cardio-Thoracic Surgery, Vol 7, 38-41, Copyright © 1993 by European Association for Cardio-thoracic Surgery

ARTICLES

Use of the right gastroepiploic artery as a pedicled arterial graft for coronary revascularization

T Isomura, K Hisatomi, A Hirano, N Hayashida and K Ohishi
Second Department of Surgery, Kurume University Hospital, Fukuoka, Japan.

Between April 1988 and August 1991, the right gastroepiploic artery (RGEA) was used as a pedicled arterial graft for coronary arterial bypass grafting (CABG) in 44 patients. Their ages ranged from 8 to 72 years (mean: 58.7 years), and body size was small for 21 patients (body surface area < 1.6 m2). The mean number of distal anastomoses was 3.2 +/- 0.7 per patient. The RGEA was anastomosed to the right coronary system in 35 patients and to the left in 9 patients. Perioperative vasospasm of the RGEA occurred in 4 patients, but no vasospasm was seen after intraluminal injection of diluted papaverine hydrochloride was used in the last 9 patients. The size of the RGEA at the site of anastomosis was 1.9 +/- 0.4 mm in diameter. The RGEA was harvested in 48 patients; however, two of the RGEAs were smaller than 1.0 mm in diameter and two showed severe calcification with stenosis of more than 75%. Consequently, those conduits were not used. Indications for the use of the RGEA were: relatively young age for 17, matching size of the coronary artery and the RGEA for 11, poor quality of the internal thoracic artery (ITA) or saphenous vein graft (SVG) for 10, lower leg atherosclerosis in 3, a diseased ascending aorta in 2, and Kawasaki disease in 1. The patency rate of the RGEA for 36 patients was 94.4% and relief of angina 95.5%. An exercise tolerance test performed within 2 months after operation showed improved capacity (mean 7.2 metabolic units).(ABSTRACT TRUNCATED AT 250 WORDS)

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