• Erik Stenberg, Eva Szabo, Johan Ottosson, Anders Thorell, and Ingmar Näslund.
• Department of Surgery, Faculty of Medicine and Health, Örebro University, SE-701 85, Örebro, Sweden. erik.stenberg@regionorebrolan.se.
• Obes Surg. 2018 Jan 1; 28 (1): 31-36.

BackgroundMesenteric defect closure in laparoscopic gastric bypass surgery has been reported to reduce the risk for small bowel obstruction. Little is known, however, about the effect of mesenteric defect closure on patient-reported outcome. The aim of the present study was to see if mesenteric defect closure affects health-related quality-of-life (HRQoL) after laparoscopic gastric bypass.MethodsPatients operated at 12 centers for bariatric surgery participated in this randomized two-arm parallel study. During the operation, patients were randomized to closure of the mesenteric defects or non-closure. This study was a post-hoc analysis comparing HRQoL of the two groups before surgery, at 1 and 2 years after the operation. HRQoL was estimated using the short form 36 (SF-36-RAND) and the obesity problems (OP) scale.ResultsBetween May 1, 2010, and November 14, 2011, 2507 patients were included in the study and randomly assigned to mesenteric defect closure (n = 1259) or non-closure (n = 1248). In total, 1619 patients (64.6%) reported on their HRQoL at the 2-year follow-up. Mesenteric defect closure was associated with slightly higher rating of social functioning (87 ± 22.1 vs. 85 ± 24.2, p = 0.047) and role emotional (85 ± 31.5 vs. 82 ± 35.0, p = 0.027). No difference was seen on the OP scale (open defects 22 ± 24.8 vs. closed defects 20 ± 23.8, p = 0.125).ConclusionWhen comparing mesenteric defect closure with non-closure, there is no clinically relevant difference in HRQoL after laparoscopic gastric bypass surgery.

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