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Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

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Alcohol use disorders after bariatric surgery.

Joji Suzuki¹, Florina Haimovici, Grace Chang

¹Department of Psychiatry, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA 02115, USA. jsuzuki2@partners.org

Obesity Surgery

|December 29, 2010

Summary

Bariatric surgery patients show lifetime alcohol use disorder (AUD) prevalence similar to the general population. A history of AUD increases relapse risk post-surgery, particularly after Roux-en-Y gastric bypass.

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Area of Science:

Bariatric surgery outcomes
Alcohol use disorders
Post-surgical psychiatric conditions

Background:

Limited evidence supports increased alcohol use disorders (AUD) post-bariatric surgery.
Investigating AUD prevalence and risk factors after bariatric procedures is crucial.

Purpose of the Study:

Determine current and lifetime AUD prevalence in bariatric surgery patients.
Assess the association between weight loss and AUD development post-surgery.
Identify risk factors for AUD after bariatric procedures.

Main Methods:

Recruited 51 individuals who underwent bariatric surgery between 2004-2007.
Utilized the Structured Clinical Interview for DSM-IV to diagnose AUD and other Axis I disorders.
Compared AUD prevalence based on surgical type and weight loss outcomes.

Main Results:

Lifetime and current AUD prevalence were 35.3% and 11.8%, respectively.
No correlation found between weight loss and AUD development.
Higher current AUD rates observed in patients with prior AUD history and those who underwent Roux-en-Y gastric bypass (RYGB) versus laparoscopic adjustable gastric banding (LAGB).

Conclusions:

Lifetime AUD prevalence in bariatric patients mirrors the general population.
Patients with a history of AUD are at higher risk for relapse post-surgery.
RYGB surgery was associated with all identified cases of current AUD, unlike LAGB.