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Pepino MY, Okunade AL, Eagon JC, Bartholow BD, Bucholz K, Klein S. Effect of Roux-en-Y Gastric Bypass Surgery: Converting 2 Alcoholic Drinks to 4. JAMA Surg. 2015;150(11):1096–1098. doi:https://doi.org/10.1001/jamasurg.2015.1884
Roux-en-Y gastric bypass (RYGB) is the most common bariatric surgical procedure performed in the world.1 Although RYGB surgery causes a marked reduction in food intake and induces remission of food addiction,2 it is associated with an increased risk of developing alcohol use disorders.3 It is likely that RYGB-related changes in gastrointestinal anatomy alter the pharmacokinetics and subjective effects of ingested alcohol,4 which contributes to the increased risk of alcohol use disorders. However, results from previous studies are limited because (1) blood alcohol concentrations (BACs) were measured in venous blood samples, which underestimates the peak BAC delivered to the brain in patients who have had RYGB surgery, and (2) the subjective effects of alcohol have not been assessed using validated questionnaires. The purpose of the present study was to evaluate the effect of RYGB on the pharmacokinetics and subjective effects of ingested alcohol, using arterialized blood samples and a validated questionnaire.
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