Risk of Reopening of the Mesenteric Defects After Routine Closure in Laparoscopic Roux-en-Y Gastric Bypass: a Single-Centre Experience

Overview

Journal Obes Surg

Date 2022 Jun 27

PMID 35760981

Authors

Ioannis I Lazaridis

Thomas Kostler

Lukas Kubler

Urs Zingg

Tarik Delko

Affiliations

Soon will be listed here.

Abstract

Purpose: Small bowel obstruction (SBO) due to internal hernias (IH) is a well-recognised complication after laparoscopic Roux-en-Y gastric bypass (LRYGB). Routine closure of the mesenteric defects (MDs) is recommended to reduce the risk of IH and subsequent SBO. However, data about the rates of reopening of the MDs after LRYGB is scarce. The main aim of this study was to evaluate the risk of reopening of the MDs after routine closure during LRYGB. The secondary objective was to determine any risk factors associated with the reopening of the MDs.

Methods: Data of all patients who underwent reoperations after LRYGB with closure of both MDs between January 2010 and December 2018 were retrospectively reviewed.

Results: A total of 162 patients were included. The median time between LRYGB and reoperation was 17 months. At the time of reoperation, both MDs were closed in 83 patients (51.2%); thus, 79 patients (48.8%) presented at least one open MD. The group of patients with preoperative diagnosis of SBO or with recurrent abdominal pain showed significantly higher rates of open Petersen's space compared to the group of patients with other preoperative diagnoses. Preoperative body mass index (BMI) less than 40 kg/m at time of LRYGB was associated with a higher risk for an open MD.

Conclusion: At least one MD reopened in almost half of the patients despite routine closure during LRYGB. Therefore, the status of MDs should be routinely examined during every reoperation after LRYGB and closure of open MDs should be performed.

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