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Updated: Jun 21, 2026

Vein Interposition Model: A Suitable Model to Study Bypass Graft Patency
Published on: January 15, 2017
Retaining a nonfunctional synthetic arterial bypass graft as a tunnel for future bypass using a vein graft: technical
Rajaraman Durai1, Happy Hoque, Aidas Raudonaitis
1Department of Surgery, Queen Mary's Hospital, Sidcup, Kent, UK.
Abstract:
Reoperation after infrainguinal arterial bypass may be difficult because of scar tissue from the previous bypass operation and usually involves removal of the old synthetic bypass graft. The authors describe a novel method of retaining the old thrombosed, externally reinforced polytetrafluoroethylene graft and using it as a tunnel for redo bypass using a vein.
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