Abstract
Arterial reconstructions (110), including several new and extended bypasses, were performed with polytetrafluoroethylene (PTFE) grafts and were observed for 3-16 mo. Patency rates were 100% with 15 bypasses to the femoral artery, 95% with 66 bypasses to the popliteal artery and 76% with 29 bypasses to the arteries of the [human] leg and foot. These encouraging preliminary results justify continued use and evaluation of PTFE as an arterial prosthesis.

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