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Vol. 46, No. 3, 2013
Issue release date: April 2013
Section title: Original Paper
Psychopathology 2013;46:145-152
(DOI:10.1159/000336730)

Trait Impulsivity Is Increased in Bipolar Disorder Patients with Comorbid Alcohol Use Disorders

Nery F.G. · Hatch J.P. · Monkul E.S. · Matsuo K. · Zunta-Soares G.B. · Bowden C.L. · Soares J.C.
aDepartment of Psychiatry, The University of Texas Health Science Center at San Antonio, San Antonio, Tex., and bDepartment of Psychiatry and Behavioral Sciences, University of Texas Medical School, Houston, Tex., USA; cBipolar Disorder Research Program, Department of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil; dDivision of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 1/25/2011 12:36:39 PM
Accepted: 1/15/2012
Published online: 9/20/2012

Number of Print Pages: 8
Number of Figures: 1
Number of Tables: 3

ISSN: 0254-4962 (Print)
eISSN: 1423-033X (Online)

For additional information: http://www.karger.com/PSP

Abstract

Background: Up to 60% of bipolar disorder (BD) patients develop alcohol use disorders (AUD) at some point in their lives. The causes of this highly prevalent comorbidity are unknown. High trait impulsivity characterizes both isolated BD and AUD and may be a link to explain the association between BD and AUD. In this study, our aims were to investigate whether BD patients with comorbid AUD would present higher trait impulsivity levels compared to BD patients without comorbid AUD, and whether trait impulsivity levels differ within subgroups of BD according to the subcategory of AUD (abuse vs. dependence, alcoholism alone vs. alcoholism plus drug use disorders). Sampling and Methods: Forty-seven outpatients with BD with comorbid AUD (alcoholic BD group) were compared to 66 outpatients with BD alone (nonalcoholic BD group) and to 90 healthy controls (HC). BD and AUD diagnoses were obtained using the Structured Clinical Interview for DSM-IV diagnoses. Impulsivity was assessed using the Barratt Impulsiveness Scale (BIS-11), a self-report instrument that measures trait impulsivity in three domains: nonplanning, attentional and motor. Results: Alcoholic BD patients scored significantly higher than nonalcoholic BD and HC on the total and on each subscale BIS scores. Within the alcoholic BD patients, alcohol abusers and alcohol dependents did not statistically differ from each other on the BIS-11 scores. BD patients with AUD plus drug use disorders presented statistically higher nonplanning impulsivity than BD patients with AUD alone. Conclusions: This was a cross-sectional study and causal inferences about the relationship between impulsivity and the comorbidity phenomenon cannot be made. Increased impulsivity may be a trait marker for the co-occurrence between BD and AUD, and mediate some severe manifestations of this comorbidity.


  

Author Contacts

Dr. Jair C. Soares, MD
Department of Psychiatry and Behavioral Sciences
University of Texas Medical School at Houston
1300 Moursund St., Houston, TX 77030 (USA)
Tel. +1 713 500 2507, E-Mail jair.c.soares@uth.tmc.edu

  

Article Information

Received: January 25, 2011
Accepted after revision: January 15, 2012
Published online: September 20, 2012
Number of Print Pages : 8
Number of Figures : 1, Number of Tables : 3, Number of References : 39

  

Publication Details

Psychopathology (International Journal of Descriptive and Experimental Psychopathology, Phenomenology and Psychiatric Diagnosis)

Vol. 46, No. 3, Year 2013 (Cover Date: April 2013)

Journal Editor: Herpertz S.C. (Heidelberg)
ISSN: 0254-4962 (Print), eISSN: 1423-033X (Online)

For additional information: http://www.karger.com/PSP


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 1/25/2011 12:36:39 PM
Accepted: 1/15/2012
Published online: 9/20/2012

Number of Print Pages: 8
Number of Figures: 1
Number of Tables: 3

ISSN: 0254-4962 (Print)
eISSN: 1423-033X (Online)

For additional information: http://www.karger.com/PSP


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