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The vein is freed from the surrounding tissue, and then sewn into place in the artery, above and below the atherosclerotic blockage.
Review Date 4/28/2026
Updated by: Michael A. Chen, MD, PhD, Associate Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.