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Vein harvesting technique for infrainguinal arterial bypass with great saphenous vein and its association with surgical site infection and graft patency

Objective The objective of this study was to investigate the association of vein harvesting technique (VHT) with surgical site infection (SSI) and graft patency after infrainguinal arterial bypass. Methods The Vascular Quality Initiative database was used to review VHT of all patients undergoing sin...

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Published in:Journal of vascular surgery 2015-05, Vol.61 (5), p.1264-1271.e2
Main Authors: Teixeira, Pedro G.R., MD, Woo, Karen, MD, MS, Weaver, Fred A., MD, MMM, Rowe, Vincent L., MD
Format: Article
Language:English
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Summary:Objective The objective of this study was to investigate the association of vein harvesting technique (VHT) with surgical site infection (SSI) and graft patency after infrainguinal arterial bypass. Methods The Vascular Quality Initiative database was used to review VHT of all patients undergoing single-segment great saphenous vein graft infrainguinal arterial bypass from 2003 to 2013. Patients were divided into three groups according to the VHT used (continuous incision, skip incision, and endoscopic). Multinomial logistic regression was performed to estimate propensity scores for each treatment group. Propensity score adjustment was included in multivariable analysis of the primary outcomes: SSI and graft primary patency. Results From 2003 to 2013, 5066 patients underwent single-segment great saphenous vein graft infrainguinal bypass. The VHT was continuous incision in 48.6%, skip incision in 39.7%, and endoscopic in 12.7%. SSI rates did not differ significantly among the groups (continuous, 4.7%; skip, 4.0%; endoscopic, 3.4%; P = . 278). On multivariable analysis, there was no difference in discharge primary patency between the three groups. At 1 year, primary patency rates were 69.5% for continuous, 73.0% for skip, and 58.6% for endoscopic ( P < . 001). After multivariable analysis, endoscopic vein harvest was independently associated with higher 1-year primary patency loss compared with both continuous (hazard ratio [HR], 1.35; 95% confidence interval [CI], 1.05-1.74; P = . 020) and skip (HR, 1.53; 95% CI, 1.18-2.00; P = . 002). There was no significant difference in 1-year primary patency loss between continuous and skip techniques (HR, 0.88; 95% CI, 0.73-1.05; P = . 170). Conclusions No association between the choice of VHT and the development of SSI after infrainguinal arterial bypass was identified in the Vascular Quality Initiative population. Endoscopic VHT was associated with significantly reduced 1-year primary patency rate compared with both continuous and skip techniques.
ISSN:0741-5214
1097-6809
DOI:10.1016/j.jvs.2014.12.049