Observational studyObesity surgery2026
Factors Predisposing to Development of Dumping Syndrome in Post Operative Bariatric Patients: Experience from a Tertiary Unit.
Observational study in Obesity surgery, 2026. 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
backgroundDumping syndrome (DS) is a recognised complication after bariatric surgery but reported prevalence and associated risk factors vary widely. This study aimed to determine the prevalence of DS and to identify predisposing factors in post-operative bariatric patients.
methodsA prospective observational cohort study was conducted at a high-volume bariatric unit in the UK. Consecutive patients reviewed between January 2024, and June 2025 were assessed using the Sigstad questionnaire. Data collected included type of surgery, pre- and post-operative weight, body mass index (BMI), percentage total body weight loss (%TBWL), and presence of diabetes mellitus (DM). Statistical significance was set at p < 0.05.
resultsA total of 358 patients were reviewed (median age 45 years, 88% women). Thirty-six patients (10%) scored ≥ 7, meeting criteria for DS. The majority (91.7%) developed symptoms within one year. Revisional surgery was associated with a significantly higher risk of DS (22% vs. 8.7%, p < 0.01). No association was found with pre-existing DM (19% vs. 27%, p = 0.327). Patients with DS had lower post-operative BMI (33.2 vs. 40.5 kg/m²) and greater %TBWL (17.9% vs. 12%), though differences in absolute weight and BMI did not reach significance. An additional 11 patients (3.4%) developed transient, diet-related symptoms that resolved spontaneously.
conclusionsDS was present in 10% of patients, with a further 3.4% experiencing transient symptoms. Revisional surgery emerged as an independent risk factor, whereas no relationship with diabetes was observed. Early multidisciplinary input is recommended for high-risk patients, and multicentre studies are needed to standardise diagnostic and reporting methods.
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