What is the average patency duration of a saphenous vein bypass graft? Saphenous vein grafts have an 80-90% patency rate at 1 year, 70-85% patency rate between 1 and 5 years and 45-65% patency ...

Sponsoring Organizations: the American College of Cardiology and the American Heart Association (developed ... for prophylaxis against early saphenous-vein graft closure and should be continued ...