ArticleSurgical endoscopy2025
Loop duodenal switch confers more complications with little gain of weight loss compared to Roux-en-Y gastric bypass.
Article in Surgical endoscopy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThere are several surgical options each with their potential for complications, differences in length of procedure, and in meaningful outcomes. This study aims to explore those outcomes after Roux-en-Y Gastric Bypass (RYGB) and Loop Duodenal Switch (LDS).
objectiveThe purpose of this project is to offer a comparative analysis of RYGB and LDS at the NorthShore University Health System for up to 4 years postoperatively.
methodsA retrospective review of a prospectively maintained database was queried for all patients who underwent RYGB and LDS from 2019 to 2023. Demographic, preoperative, post-operative data, and Quality of Life (QOL) data were included. χ
resultsPatient database included 238 patients who underwent RYGB, and 54 who underwent LDS. Initial BMI was significantly higher in LDS compared to RYGB (56.9 ± 8.0; 46.5 ± 7.3; p < 0.01). There were no statistically significant differences between reported comorbidities. There were no differences in intraoperative complications between the two groups, however postoperative complications were significantly higher in the LDS population (16.7%, 7.1%; p < 0.01). Percent total body weight loss (%TBWL) was significantly different at 2 years post operatively with LDS having more %TBWL than RYGB (LDS: N = 10, %TBWL = 44.7 ± 14.1%; RYGB: N = 47) There were no statistically significant differences at any other postoperative time point. Subgroup analysis was completed in patients with initial BMI 50. There were no significant differences at any postoperative time point. QOL data showed no significant difference between both procedures at all postoperative timepoints.
conclusionPatients who undergo LDS are more likely to experience postoperative complications compared to RYGB with no added benefit in weight loss or comorbidity resolution up to 3 years post operatively.
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Registered trials
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