• F Kessler, G Woody, R De Boni, L Von Diemen, D Benzano, S Faller, and F Pechansky.
• Center for Drug and Alcohol Research, Federal University of Rio Grande do Sul, Brazil. kessler.ez@terra.com.br
• Public Health. 2008 Dec 1; 122 (12): 1349-55.

ObjectivesFew studies of comorbidity among cocaine users have been undertaken in Brazil, despite the fact that cocaine is one of the most commonly used illegal drugs in the country. The aim of this paper is to review existing data on psychiatric evaluations of cocaine users, and present data from two studies that have addressed this issue as it pertains to the Brazilian public health system.Study DesignReview and results from two studies (cross-sectional and matched control).MethodsThe Brazilian literature on PubMed, Lilacs, Psychinfo and DATASUS was searched using the key words: 'psychiatric symptoms', 'diagnosis', 'evaluation', 'assessment', 'cocaine disorders' and others related to this issue. Intake data from two studies of male and female cocaine users were also analysed with regard to psychiatric symptoms as measured by the Symptom Check List - 90 Revised (SCL-90).ResultsThe literature review found no specific studies regarding psychiatric evaluation of cocaine users in Brazil. Analyses from the two studies presented showed high levels of psychiatric symptoms in this population. In the first study, psychiatric symptoms were measured at treatment entry and their prevalence was high, ranging from 27.4% to 53.4%. In the second study, SCL-90R scores at programme admission were higher in cocaine users than normal controls, with effect sizes ranging from moderate to high.ConclusionsTo the authors' knowledge, this is the first article to discuss psychiatric evaluations of comorbidity among cocaine users in Brazil. The results indicate a need to: pay more attention to the evaluation of psychiatric symptoms in cocaine users; emphasize the importance of standardized data collection in this area; and evaluate the course of these symptoms, their impact on outcome, and how they are best addressed in treatment.

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