ArticleSurgical endoscopy2025
How preoperative upper gastrointestinal investigations affect the management of bariatric patients: results of a cohort study of 897 patients.
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.
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10 authors.
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Abstract
introductionPreoperative diagnostic protocols vary worldwide, some prioritizing safety while others question routine procedures. Building on prior research, this study explores the impact of diverse preoperative findings on bariatric management and procedure selection.
methodsIn a retrospective analysis of prospective data of over 1000 bariatric surgery patients from January 2017 to December 2022 undergoing primary laparoscopic Roux-en-Y gastric bypass (LRYGB) or sleeve gastrectomy (LSG) were analyzed. Preoperative assessment included upper endoscopy, upper GI series, and esophageal manometry. Sonography data were excluded. The primary endpoint examined the influence of preoperative exams on procedure selection, the secondary endpoint evaluated their therapeutic impact.
results897 patients (741 RYGB, 156 SG) were included. All underwent upper endoscopy, revealing common findings such as type C gastritis and reflux esophagitis. Upper endoscopy prompted a therapeutic consequence in 216 patients (24.3%), resulting in a number needed to screen (NNS) of 4.1. Upper GI series and manometry were more frequently performed before LSG. Upper GI series detected hiatal hernias and motility disorders but did not result in any change of procedures. Esophageal manometry found pathologies in 37 (25.3%) patients rising to 41.5% if symptoms were present. Overall, 16 (1.8%) patients experienced a change in the planned procedure, with 14 changes prompted by preoperative findings and two by technical difficulties.
conclusionWe advise routine upper endoscopies for all patients undergoing LRYGB or LSG, while reserving upper GI series only for selected cases. Manometry should be exclusively performed on symptomatic patients undergoing LSG, ensuring a balanced and individualized preoperative assessment.
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