Linear or circular: Anastomotic ulcer after gastric bypass surgery.

Surg Endosc

Department of Visceral-, Transplant- and Thoracic Surgery, Medical University of Innsbruck, Anichstrasse35, 6020, Innsbruck, Austria.

Published: May 2022

Background: After laparoscopic Gastric Bypass Procedure (GBP), anastomotic ulcers (AU) at the gastrojejunostomy (GJ) occur in up to 16% of the patients. Surgical techniques seem to influence the development of AU, but this is still a matter of discussion. This study aims to compare the incidence of AU in circular-stapled (CS) versus linear-stapled (LS) gastrojejunostomy.

Methods: Single-centre retrospective analysis of 241 (m 77 /f 164) consecutive patients (126 CS, 115 LS) with primary or revisional GBP including Roux-Y-Gastric Bypass (RYGB) and One-Anastomosis Gastric Bypass (OAGB) between 01/2014 and 01/2018. Follow-up with oesophagogastroduodenoscopy was only performed in symptomatic patients. Age, body mass index (BMI), comorbidities, smoking and medication were analyzed in both groups. The data are reported as total numbers (%) and mean ± standard deviation.

Results: AU occurred significantly more often in the CS group than in the LS group (p = 0.0034). Moreover, refractory AU and the need for revisional surgery were higher in the CS group. Smoking correlates significantly with the development of AU, whereas other risk factors had no impact on its incidence.

Conclusion: Linear-stapled gastrojejunostomy with a long and narrow pouch should be the preferable procedure for reducing AU development risk. Smoking cessation minimizes the risk for AU and is a necessary part of the treatment.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9001202PMC
http://dx.doi.org/10.1007/s00464-021-08597-6DOI Listing

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