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(Circulation. 2007;116:I-188 – I-191.)
© 2007 American Heart Association, Inc.

Surgery for Coronary Artery Disease

Twenty Years Experience With the Gastroepiploic Artery Graft for CABG

Hisayoshi Suma, MD; Hiroaki Tanabe, MD; Akihito Takahashi, MD; Taiko Horii, MD; Tadashi Isomura, MD; Hitoshi Hirose, MD; Atsushi Amano, MD

From the Cardiovascular Institute (H.S. H.T., A.T.), Tokyo, Kagawa University (T.H.), Kagawa, the Hayama Heart Center (T.I.), Kanagawa, and Juntendo University (H.H., A.A.), Tokyo, Japan.

Correspondence to Hisayoshi Suma, MD, The Cardiovascular Institute 7-3-10 Roppongi, Minato-Ku, Tokyo 106-0032, Japan. E-mail suma{at}cvi.or.jp

Background— To improve the longterm outcome after CABG, several strategies have been used using arterial conduits. Our 20 years experience with the right gastroepiploic artery (GEA) graft was evaluated.

Methods and Results— In 1352 patients having CABG with the GEA graft, (1092 men, mean 63 years, 99% multivessel disease, and mean EF 0.51), internal thoracic artery, saphenous vein, and radial artery grafts were concomitantly used in 1312 (97%), 783 (58%), and 128 (8%) patients, respectively. The mean number of distal anastomoses was 3.1, and 2.4 coronary arteries were bypassed with arterial grafts. The sites for GEA grafting were 70 anterior descending, 268 circumflex, and 1089 right coronary arteries. The operative mortality was 1.26%. In 1118 follow-up patients (82.6%), 5, 10, and 15 years survival rates were 91.7%, 81.4%, and 71.3%, and the cardiac death-free survival rates were 95.8%, 91.7%, and 88.6%, respectively. The cumulative patency rate of the GEA graft was 97.1% at 1 month, 92.3% at 1 year, 85.5% at 5 years, and 66.5% at 10 years, respectively. In 172 skeletonized GEA grafts with 233 distal anastomoses, the patency rate at immediate, 1, and 4 years after surgery was 97.6%, 92.9%, and 86.4%, respectively. In 124 patients with late (5 to 17 years) restudy, patency rate was 96% (114/119) in the left internal thoracic artery, 87% (108/124) in GEA, and 68% (67/98) in saphenous vein grafts. New stenosis was uncommon in GEA.

Conclusion— The GEA graft is a safe and effective arterial conduit for CABG.

Key Words: ischemic heart disease • myocardial revascularization • coronary artery bypass grafting • gastroepiploic artery • internal thoracic artery