期刊
EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY
卷 41, 期 5, 页码 668-673出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.ejvs.2011.01.021
关键词
Peripheral arterial disease; Bypass; Grafts; PFTE; Patency; Femoropopliteal
Objective: To compare 1-year potencies' of heparin-bonded PTFE [(Hb-PTFE) (Propatene (R))] grafts with those of ordinary polytetraflouroethylene (PTFE) grafts in a blinded, randomised, clinically controlled, multi-centre study. Materials and methods: Eleven Scandinavian centres enrolled 569 patients with chronic functional or critical lower limb ischaemia who were scheduled to undergo femoro femoral bypass or femoro-poplitaeal bypass. The patients were randomised 1:1 stratified by centre. Patency was assessed by duplex ultrasound scanning. A total of 546 patients (96%) completed the study with adequate follow-up. Results: Perioperative bleeding was, on average, 370 ml with PTFE grafts and 399 ml with Heparin-bonded PTFE grafts (p = 0.32). Overall, primary patency after 1 year was 86.4% for Hb-PTFE grafts and 79.9% for PTFE grafts (OR = 0.627, 95% CI: 0.398; 0.989, p = 0.043). Secondary patency was 88% in Hb-PTFE grafts and 81% in PTFE grafts (OR = 0.569 (0.353; 0.917, p = 0.020)). Subgroup analyses revealed that significant reduction in risk (50%) was observed when Hb-PTFE was used for femoro-poplitaeal bypass (OR = 0.515 (0.281; 0.944, p = 0.030)), and a significant reduction in risk (50%) was observed with Hb-PTFE in cases with critical ischaemia (OR = 0.490 (0.249; 0.962, p = 0.036)). Conclusion: The Hb-PTFE graft significantly reduced the overall risk of primary graft failure by 37%. Risk reduction was 50% in femoro poplitaeal bypass cases and in cases with critical ischaemia. (C) 2011 Published by Elsevier Ltd on behalf of European Society for Vascular Surgery.
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