• Julie Therese Wiis, Peter Jensen-Gadegaard, Ümit Altintas, Claus Seidelin, Robertas Martusevicius, and Teit Mantoni.
• Department of Anesthesia, Gentofte Hospital, Hellerup, Denmark. Electronic address: juliewiis@hotmail.com.
• Ann Vasc Surg. 2014 Feb 1;28(2):295-300.

BackgroundThe purpose of this study was to determine whether anesthesia affects graft patency after lower extremity arterial in situ bypass surgery.MethodsThis investigation was a retrospective study using a national database on vascular surgical patients at a single medical institution. We assessed a total of 822 patients exposed to infrainguinal in situ bypass vascular surgery over the period of January 2000 to September 2010.ResultsAll patients included in the study (age [mean ± SD] 70.8 ± 9.7 years) underwent infrainguinal in situ bypass (n = 885) for lower extremity revascularization under epidural (n = 386) or general (n = 499) anesthesia. Thirty-day mortality (3.4% for epidural anesthesia versus 4.4% general anesthesia; P = 0.414) and comorbidity were comparable in the 2 groups. Graft occlusion within 7 days after surgery was reported in 93 patients, with a similar incidence in the epidural (10.1%) and general (10.8%) anesthesia groups (P = 0.730). When examining a subgroup of patients (n = 242) exposed to surgery on smaller vessels (femorodistal in situ bypass procedures, n = 253), the incidence of graft occlusion was also similar in the 2 groups at 14.0% and 9.4%, respectively (P = 0.262).ConclusionThis retrospective study has shown that when graft patency is evaluated 7 days after surgery, anesthetic choice (epidural or general anesthesia) does not influence outcome.Copyright © 2014 Elsevier Inc. All rights reserved.

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