| Outcome of Infrainguinal Single-Segment Great Saphenous Vein Bypass for Critical Limb Ischemia is Superior to Alternative Autologous Vein Bypass, Especially in Patients With High Operative Risk. | |
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MedLine Citation:
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PMID: 22285375 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Single-segment great saphenous vein (ssGSV) is the conduit of choice in infrainguinal bypass for critical limb ischemia (CLI). The aim of this study was to assess results of other autologous vein grafts and risk factors for graft stenosis development and graft failure. The purpose was also to evaluate outcome of patients with high operative risk undergoing infrainguinal alternative autologous vein bypass for CLI. METHODS: We retrospectively reviewed 1,109 consecutive infrainguinal bypasses performed between 2000 and 2007 for CLI. Rate and type of operations needed to maintain graft patency were evaluated. Outcome of different types of vein grafts in terms of primary patency, assisted primary patency, secondary patency, and limb salvage was assessed using Kaplan-Meier method. Predictors of poor outcome as well as patient- and graft-related risk factors for graft revision and graft failure were analyzed using multivariate analysis. RESULTS: Median follow-up period was 37 (0-121) months. Primary patency, assisted primary patency, secondary patency, and limb salvage at 1 and 3 years were significantly better in ssGSV graft group than in alternative autologous vein graft (AAVG) group-74.4% and 67.1% versus 53.7% and 42.0% (P < 0.0001), 82.8% and 78.2% versus 67.2% and 57.8% (P < 0.0001), 84.8% and 80.8% versus 69.9% and 61.4% (P < 0.0001), and 88.9% and 86.9% versus 83.0% and 77.2% (P < 0.0001), respectively. In multivariate analysis, non-ssGSV graft was the only independent risk factor for the graft stenosis development (relative risk [RR]: 2.62, 95% confidence interval [CI]: 1.56-4.38, P < 0.0001), for graft occlusion (RR: 2.27, 95% CI: 1.52-3.40, P < 0.0001), and for graft failure (stenosis or occlusion) (RR: 2.00, 95% CI: 1.39-2.88, P < 0.0001). Revision rate of non-ssGSV conduits was higher than that of ssGSV grafts (18% vs. 12%, P = 0.007) High-risk patients (age of >80 years, coronary artery disease, estimated glomerular filtration rate of <30 mL/min/1.73 m(2)) who underwent bypass with arm vein or spliced vein had extremely poor outcome (1-year leg salvage rate and survival rate of 71.4% and 28.6%, respectively). CONCLUSION: The ssGSV graft is superior to any other autologous vein graft in terms of midterm patency and leg salvage. It also needs less maintenance procedures than AAVGs. Non-ssGSV graft is independent predictor of both graft stenosis development and graft failure. Acceptable patency and leg salvage rates can also be achieved with AAVGs. However, patients with high operative risk and non-ssGSV graft bypass have poor outcome. |
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Authors:
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Eva Arvela; Maarit Venermo; Maria Söderström; Anders Albäck; Mauri Lepäntalo |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-27 |
Journal Detail:
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Title: Annals of vascular surgery Volume: - ISSN: 1615-5947 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8703941 Medline TA: Ann Vasc Surg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Annals of Vascular Surgery Inc. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Vascular Surgery, Helsinki University Central Hospital, Helsinki, Finland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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