ArticleAddiction (Abingdon, England)2026
Impact of bariatric surgery on alcohol-use disorder and alcohol-related liver disease: A retrospective study.
Article in Addiction (Abingdon, England), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Impact of bariatric surgery on alcohol-use disorder and alcohol-related liver disease: A retrospective study.Addiction (Abingdon, England) · 2026Article
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5 authors.
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Abstract
BACKGROUND AND
aimsIncreased risk of alcohol dependence is recognised following bariatric surgery. Modified gastrointestinal anatomy and neurohormonal profiles lead to altered alcohol metabolism, peak blood alcohol concentrations and enhanced reward circuits and cravings. For patients with metabolic associated fatty liver disease, bariatric surgery has been shown to reduce liver fibrosis; however, the impact of bariatric surgery on alcohol consumption and consequent liver fibrosis has not been well-characterised using validated measures. This study examined the changes in alcohol consumption patterns, alcohol dependence and validated liver fibrosis measures before and after bariatric surgery. DESIGN, SETTING AND
participantsA retrospective cohort study assessing patients seeking treatment for alcohol problems with a history of gastric sleeve (GS) or Roux-en-Y Gastric Bypass (RYGB) in a quaternary hospital in Brisbane, Australia. MEASUREMENTS: Validated measures of alcohol dependence [Alcohol Use Disorders Identification Test (AUDIT) and brief Michigan Alcohol Screening Test (bMAST)] and non-invasive liver fibrosis (FIB4 and APRI) were compared pre- and post-surgery.
findingsTwenty patients were identified with prior GS and 10 patients with RYGB. Following bariatric surgery, body mass index was reduced by 14.5 (±9.39) kg/m
conclusionWithin a cohort of adults seeking treatment for alcohol problems, increases in alcohol consumption and alcohol-related harm were observed following bariatric surgery. Despite improvement in risk factors for metabolic-associated fatty liver disease after surgery, non-invasive markers for hepatic fibrosis worsened, likely in the setting of harmful alcohol intake and associated liver injury. This supports the role of bariatric surgery pre-operative assessment and post-operative follow-up to identify and manage alcohol-related problems and associated liver disease risk.
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