Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/69692
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Type: Journal article
Title: The relationship between substance use and posttraumatic stress disorder in a methadone maintenance treatment program
Author: Villagonzalo, K.
Dodd, S.
Ng, F.
Mihaly, S.
Langbein, A.
Berk, M.
Citation: Comprehensive Psychiatry, 2011; 52(5):562-566
Publisher: W B Saunders Co
Issue Date: 2011
ISSN: 0010-440X
1532-8384
Statement of
Responsibility: 
Kristi-Ann Villagonzalo, Seetal Dodd, Felicity Ng, Stephen Mihaly, Amy Langbein, Michael Berk
Abstract: <h4>Introduction and aims</h4>Posttraumatic stress disorder (PTSD) is frequently linked with substance abuse. The self-medication hypothesis suggests that some people may use illicit substances in an attempt to self-treat psychiatric symptoms. This study explores the relationship between substance abuse and PTSD symptom clusters in a methadone maintenance population.<h4>Design and methods</h4>Clients of a methadone maintenance program at a public Drug and Alcohol Service were invited to complete the PTSD Checklist-Civilian Version, a screening tool for PTSD. Information about their history of substance use was also collected.<h4>Results</h4>Eighty clients (43 female, 37 male), aged 35 ± 8.0 years (mean ± SD), participated in the study, of which 52.7% screened positive for PTSD. Severity of marijuana use was significantly associated with a number of reexperiencing and hyperarousal symptoms and with overall severity of PTSD symptoms. Opiate, amphetamine, and benzodiazepine use did not appear to be related to PTSD symptoms.<h4>Discussion and conclusions</h4>In this sample, marijuana may be used to self-treat certain PTSD symptoms, supporting the self-medication hypothesis. Further research is required to confirm the association between a diagnosis of PTSD and substance use. Given the high prevalence of PTSD in the substance-using population, routine PTSD screening in the substance abuse treatment setting may be justified.
Keywords: Humans; Cannabis; Substance-Related Disorders; Methadone; Analgesics, Opioid; Diagnosis, Dual (Psychiatry); Self Medication; Severity of Illness Index; Stress Disorders, Post-Traumatic; Comorbidity; Diagnostic and Statistical Manual of Mental Disorders; Adult; Female; Male; Self Report
Rights: Copyright © 2011 Elsevier Inc. All rights reserved.
RMID: 0020115848
DOI: 10.1016/j.comppsych.2010.10.001
Appears in Collections:Psychiatry publications

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