Prevalência da Comorbidade entre Transtornos Mentais Graves e Transtornos Devido ao Uso de Substâncias Psicoativas em São Paulo, Brasil. / Prevalence of comorbidity between severe mental illnesses and substance use disorders in São Paulo, Brazil

AUTOR(ES)

Lilian Ribeiro Caldas Ratto

DATA DE PUBLICAÇÃO

2001

RESUMO

OBJECTIVES: To investigate the prevalence of substance use disorders among patients with severe mental illnesses in São Paulo, Brazil, and to study factors associated with such comorbidity. METHOD: The study had a cross-sectional design. Twenty mental health services (emergency, inpatient and outpatient services) were scrutinized to identify all patients aged 18 to 65 years old, with a clinical diagnosis of severe mental illness, who were resident in one of 7 administrative districts chosen for the study, and had had at least one contact with such services between 1stSeptember and 30th November 1997. Assessments included psychiatric symptoms, social adjustment, and patterns of alcohol and drug use, using standardized instruments. RESULTS: Out of 620 patients identified, 404 were randomly selected to be interviewed. One hundred and ninety two patients (47.9%) were directly interviewed. The prevalence of comorbidity was 10,4% (95%CI: 6.5 to 15.6), being 7,3% for alcohol abuse and 4,7% for drug abuse, and was higher among male subjects migrants, single or separated individuals, those with 12 or more years of education, and among those with schizophrenia-like disorders. Presence of negative symptoms was associated with lower prevalence of comorbidity. CONCLUSIONS: Results of the present study suggest that the prevalence of dual diagnosis in São Paulo is lower than those found in previous studies, carried out in the USA and Europe. Such discrepancy may be due to several factors, including population patterns of substance use, the social environment where patients live, and cultural issues related to the use of alcohol.

ASSUNTO(S)

disease related to drug use transtornos relacionados ao uso de substâncias psicoativas-epidemilogi detection of substance use-method severe mental illness-diagnosis comorbidity comorbidade transtornos mentais-diagnostico detecção do uso de substâncias-métodos

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