ArticleThe British journal of surgery2025
Alcohol use disorder and alcohol-related mortality after metabolic bariatric surgery: prospective controlled cohort study.
Article in The British journal of surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- From food to alcohol: exploring psychosocial drivers of post-bariatric alcohol use.International journal of qualitative studies on health and well-being · 2026Article
- Baseline Mental Health Status and Early Psychiatric Outcomes after Metabolic-Bariatric Surgery: A Retrospective Cohort Study.Obesity surgery · 2026Article
- Hypothalamic Control of Liver Health and Disease: From Circuits to Pathophysiology and Therapies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Alcohol and Substance Use After Bariatric Surgery: Nutritional Risks and Clinical Implications in Long-Term Postoperative Care.Nutrients · 2026Review
- Impact of gastrectomy on the risk of alcohol-associated liver disease in patients with gastric cancer.Scientific reports · 2026Article
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Authors and funding
11 authors.
Funding
Abstract
backgroundA body of evidence supports a link between metabolic bariatric surgery (MBS) and alcohol use disorder (AUD), while the possible contribution to alcohol-related mortality remains unclear. The aim of this study was to examine the association between MBS and the risk of AUD and alcohol-related mortality over up to 35 years.
methodsThe Swedish Obese Subjects (SOS) study enrolled 2007 participants with severe obesity who underwent MBS and 2040 matched controls (median follow-up 25.2 years). Patients in the surgery group underwent gastric bypass (GBP; 266 patients), gastric banding (376 patients), or vertical banded gastroplasty (VBG; 1365 patients). The matched controls received the customary treatment for severe obesity at their primary healthcare centres. Data on AUD diagnoses and alcohol-related mortality were captured from the Swedish National Patient Register and the Swedish Cause of Death Register respectively.
resultsDuring long-term follow-up, a significant difference in the incidence of AUD was found across surgery groups (log rank P < 0.001). Patients who underwent GBP exhibited the highest AUD risk (adjusted HR (HRadj) 5.07 (95% c.i. 3.11 to 8.25); P < 0.001), followed by patients who underwent VBG (HRadj 2.28 (95% c.i. 1.56 to 3.34); P < 0.001) and patients who underwent gastric banding (HRadj 2.34 (95% c.i. 1.37 to 4.01); P = 0.002), compared with usual obesity care. Alcohol-related mortality was significantly elevated after GBP (adjusted sub-HR (sub-HRadj) 6.18 (95% c.i. 2.48 to 15.40); P < 0.001) and VBG (sub-HRadj 3.56 (95% c.i. 1.79 to 7.08); P < 0.001) compared with usual obesity care. Mortality after gastric banding was also elevated, but did not reach statistical significance (sub-HRadj 2.52 (95% c.i. 0.89 to 7.15); P = 0.082).
conclusionEffective management of alcohol-related complications in MBS patients requires preoperative risk assessment, postoperative monitoring, and access to targeted interventions for AUD.
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