Alcoholism in manic-depressive (bipolar) illness: familial illness, course of illness, and the primary-secondary distinction [published erratum appears in Am J Psychiatry 1995 Jul;152(7):1106]

Abstract
OBJECTIVE: This 5-year follow-up study was designed to explore the factors that might lead to alcoholism in patients with bipolar disorder. METHOD: The authors studied patients with bipolar illness (70 with alcoholism and 161 without), their relatives, and a comparison group composed of relatives' acquaintances. All were evaluated with versions of the Schedule for Affective Disorders and Schizophrenia, and diagnoses were made according to the Research Diagnostic Criteria. Thirty of the bipolar alcoholic patients whose affective disorder was primary were also compared with 34 whose alcoholism was primary. RESULTS: Alcoholism was more frequent in the bipolar patients than in the comparison subjects. There no significant differences between the alcoholic and nonalcoholic bipolar patients in family history of alcoholism or affective disorders, suggesting that bipolar illness with alcoholism is not explicable by a family history of alcoholism and that the alcoholism seen in bipolar illness is dissimilar to alc...

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