8-12 years: Veins are said to last about 10 years. Arteries such as internal mamary or radials can last much longer. Ofcourse if you take good care of them, with no smoking, exercising, watching diet, keeping LDL <70, keeping sugars down, keeping weight down etc then I have patients whose vein bypasses have stayed open for 20+ years!
Answered 8/4/2015
5.3k views
It varies: The average vein graft lasts 10 - 15 years , however some last much longer before occlusion may occur.
Answered 9/28/2016
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