INTRODUCTION: The graft of choice in lower limb bypass surgery is the autologous saphenous vein (ASV). However, a prosthetic graft is needed in the absence of an ASV. In such situations, we used an expanded polytetrafluoroethylene (ePTFE) pre-cuffed Dynaflo graft as supragenicular bypass or Distaflo graft as infragenicular or femorocrural bypass. In respect to the expanding possibilities of percutaneous transluminal angioplasty (PTA), the indication for bypass surgery moved toward patients with advanced stages of peripheral arterial occlusive disease. For this reason, this study analyzed the current performances of these ePTFE grafts and ASV grafts with special attention to limb salvage. METHODS: In a retrospective study all patients who underwent peripheral bypass surgery between 2004 and 2008 were included. Kaplan-Meier curves were used to express primary patency, secondary patency, and limb salvage rates at 1 and 3 years. Log-rank tests were performed to compare graft types. RESULTS: A total of 272 grafts (ePTFE/ASV: 110/162) were performed in lower limb bypass surgery. The mean follow-up was 20.3 months. The secondary 3-year patency rates were for (n=78) supragenicular grafts (ePTFE/ASV: 45%/94%)*, for (n=124) infragenicular grafts (24%/74%), and 70 for femorocrural grafts (26%/52%). Limb salvage after 3 years was 59% in the ePTFE group versus 78% in the ASV group (P < .05). CONCLUSION: In the current population of vascular patients where no PTA is possible and a peripheral bypass is necessary, the ASV remains the graft of first choice. However, the pre-cuffed ePTFE graft is a good alternative, especially in cases of critical limb ischemia, in respect to an acceptable limb salvage rate.
INTRODUCTION: The graft of choice in lower limb bypass surgery is the autologous saphenous vein (ASV). However, a prosthetic graft is needed in the absence of an ASV. In such situations, we used an expanded polytetrafluoroethylene (ePTFE) pre-cuffed Dynaflo graft as supragenicular bypass or Distaflo graft as infragenicular or femorocrural bypass. In respect to the expanding possibilities of percutaneous transluminal angioplasty (PTA), the indication for bypass surgery moved toward patients with advanced stages of peripheral arterial occlusive disease. For this reason, this study analyzed the current performances of these ePTFE grafts and ASV grafts with special attention to limb salvage. METHODS: In a retrospective study all patients who underwent peripheral bypass surgery between 2004 and 2008 were included. Kaplan-Meier curves were used to express primary patency, secondary patency, and limb salvage rates at 1 and 3 years. Log-rank tests were performed to compare graft types. RESULTS: A total of 272 grafts (ePTFE/ASV: 110/162) were performed in lower limb bypass surgery. The mean follow-up was 20.3 months. The secondary 3-year patency rates were for (n=78) supragenicular grafts (ePTFE/ASV: 45%/94%)*, for (n=124) infragenicular grafts (24%/74%), and 70 for femorocrural grafts (26%/52%). Limb salvage after 3 years was 59% in the ePTFE group versus 78% in the ASV group (P < .05). CONCLUSION: In the current population of vascular patients where no PTA is possible and a peripheral bypass is necessary, the ASV remains the graft of first choice. However, the pre-cuffed ePTFE graft is a good alternative, especially in cases of critical limb ischemia, in respect to an acceptable limb salvage rate.
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Authors: Anouk Wezel; Margreet R de Vries; Johanna M Maassen; Peter Kip; Erna A Peters; Jacco C Karper; Johan Kuiper; Ilze Bot; Paul H A Quax Journal: Sci Rep Date: 2016-04-07 Impact factor: 4.379
Authors: Tomas Grus; Lukas Lambert; Rohan Banerjee; Gabriela Grusova; Vilem Rohn; Tomas Vidim; Petr Mitas Journal: Biomed Res Int Date: 2016-09-07 Impact factor: 3.411