Journal
SURGICAL LAPAROSCOPY ENDOSCOPY & PERCUTANEOUS TECHNIQUES
Volume 32, Issue 4, Pages 501-513Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SLE.0000000000001065
Keywords
meta-analysis; systematic review; sleeve gastrectomy; Roux-en-Y gastric bypass; long-term; late complications
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This study compared the late complications of laparoscopic vertical sleeve gastrectomy (LVSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB) at 5 years. The results showed that LVSG had a significant reduction in surgical reoperations and endoscopic interventions compared to LRYGB. However, both procedures had complications requiring medical management. More high-quality, long-term studies are needed to further understand the long-term outcomes of these surgeries.
Background: There is a paucity of data that compares the relative complication profiles of laparoscopic vertical sleeve gastrectomy (LVSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB) at 5 years. Objectives: The aim was to compare late complications of LVSG and LRYGB. Methods: We updated our previous systematic review and meta-analysis of randomized controlled trials of primary LVSG and LRYGB procedures in adults, to review late (5 years) complication outcomes (PROSPERO 112054). Electronic databases were searched from January 2015 to July 2021 for publications meeting inclusion criteria. The Hartung-Knapp-Sidik-Jonkman random effects model was utilized to estimate weighted mean differences where meta-analysis was possible. Bias and certainty of evidence was assessed using the Cochrane risk of bias tool and Grading of Recommendations, Assessment, Development and Evaluations. Results: Four randomized controlled trials met the inclusion criteria (n=531; LVSG=272, LRYGB=259). No late treatment-related mortality was reported with either procedure. A significant reduction in surgical reoperations (odds ratio: 0.47, 95% confidence interval: 0.27-0.82, P=0.01) and endoscopic interventions (odds ratio: 0.29, 95% confidence interval: 0.12-0.71, P=0.02) were reported at 5 years post-LVSG relative to LRYGB. Reoperations were more frequently performed for reflux management in LVSG and for internal hernia repairs in LRYGB. Complications requiring medical management were common following both procedures. Limitations included few eligible studies for inclusion, and varying definitions of medically managed complications. Conclusions: LRYGB is associated with a higher proportion of surgical and endoscopic interventions at 5 years compared with LVSG. More high-quality, long-term studies are required to further elucidate both surgical and nutritional long-term outcomes post these procedures.
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