• Dimitry S Davydow, Douglas Zatzick, Catherine L Hough, and Wayne J Katon.
• Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA 98104, USA. ddavydo1@u.washington.edu
• Psychosomatics. 2013 Jul 1;54(4):307-16.

BackgroundThere have been no studies describing post-intensive care unit (ICU) alcohol use among medical-surgical ICU survivors.ObjectiveTo examine alcohol use and identify potentially modifiable risk factors, such as in-hospital probable acute stress disorder, for increased alcohol use following medical-surgical ICU admission.MethodThis longitudinal investigation included 150 medical-surgical ICU survivors. In-hospital interviews obtained baseline characteristics including pre-ICU alcohol use with the Alcohol Use Disorders Identification Test (AUDIT) and in-hospital probable acute stress disorder with the Post-traumatic Stress Disorder Checklist-civilian version. Clinical factors were obtained from medical records. Post-ICU alcohol use was ascertained via telephone interviews at 3 and 12 months post-discharge using the AUDIT. Mixed-model linear regression was used to examine potential risk factors for increased post-ICU alcohol use.ResultsThere was a significant decline in the mean AUDIT score from baseline (3.9, 95% confidence interval [95% CI]: 2.9, 5.0) to 3 months post-ICU (1.5, 95% CI: 1.0, 2.1) (P < 0.001 by one-way analysis of variance [ANOVA]), with a significant increase between 3 and 12 months post-ICU (2.7, 95% CI: 1.8, 3.5) (P < 0.001 by one-way ANOVA). After adjusting for patient and clinical factors, in-hospital probable acute stress disorder (beta: 3.0, 95% CI: 0.9, 5.0) and pre-ICU unhealthy alcohol use (beta: 5.4, 95% CI: 3.4, 7.4) were independently associated with increased post-ICU alcohol use.ConclusionsAlcohol use decreases in the early aftermath of medical-surgical ICU admission and then increases significantly by one year post-ICU. Interventions for unhealthy alcohol use among medical-surgical ICU survivors that take into account comorbid psychiatric symptoms are needed.Copyright © 2013 The Academy of Psychosomatic Medicine. Published by Elsevier Inc. All rights reserved.

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