Related Experiment Videos
Prosthetic bypass with a distal vein patch for limb salvage
R F Neville1, C Attinger, A N Sidawy
1Department of Surgery, Georgetown University Medical Center, Washington, DC 20007, USA.
American Journal of Surgery
|August 1, 1997
Summary
For patients needing tibial bypass without sufficient vein, a distal vein patch (DVP) combined with polytetrafluoroethylene (PTFE) grafts shows promising results. This technique improves graft patency and limb salvage rates in challenging cases.
Area of Science:
- Vascular Surgery
- Biomaterials Science
- Regenerative Medicine
Background:
- Limb salvage surgery often requires tibial bypass when autologous vein grafts are unavailable.
- Polytetrafluoroethylene (PTFE) grafts have limited patency for tibial bypass.
- Enhancements like distal vein patches (DVP) are explored to improve PTFE graft outcomes.
Purpose of the Study:
- To assess the feasibility and efficacy of using a distal vein patch (DVP) with PTFE conduits for tibial bypass.
- To evaluate graft patency and limb salvage rates in patients lacking adequate saphenous vein.
Main Methods:
- A retrospective analysis of 25 tibial bypasses using PTFE/DVP conduits between 7/93 and 7/96.
- Patient demographics included high rates of diabetes, renal failure, and cardiac comorbidity.
- Follow-up included clinical assessment at 1 month, 6 months, and annually.
Main Results:
- Cumulative graft patency at 6 months and 3 years was 91% and 78%, respectively.
- Limb salvage rate was 91% in patients undergoing PTFE/DVP bypass.
- Common bypass origins included the common femoral artery (CFA) and external iliac artery.
Conclusions:
- Tibial bypass using PTFE with a distal vein patch (DVP) offers acceptable patency and limb salvage.
- This technique represents a viable option for limb salvage in patients without adequate autologous vein.
- The DVP may enhance the performance of PTFE grafts in distal arterial reconstructions.