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Eating disorders in schizophrenia.

G C Lyketsos, P Paterakis, A Beis

    The British Journal of Psychiatry : the Journal of Mental Science
    |March 1, 1985
    PubMed
    Summary
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    Eating disorders in chronic schizophrenia differ from those in younger populations. While common, these eating disorders rarely meet full diagnostic criteria and are not socially disruptive.

    Area of Science:

    • Psychiatry
    • Clinical Psychology
    • Eating Disorders

    Background:

    • Eating disorders are typically associated with younger populations.
    • Chronic schizophrenia presents unique challenges in psychiatric populations.
    • Distinguishing psychotic eating disorders from typical eating disorders is crucial for accurate diagnosis and treatment.

    Purpose of the Study:

    • To investigate the characteristics of eating disorders in chronic schizophrenic patients.
    • To determine if eating disorders in schizophrenic patients differ from those in non-psychotic individuals.
    • To explore the prevalence and phenomenology of eating disorders within a chronic schizophrenic cohort.

    Main Methods:

    • A population of chronic schizophrenic patients was investigated.

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  • Diagnostic and Statistical Manual of Mental Disorders, Third Edition (DSM-III) criteria for eating disorders were assessed.
  • Association of eating disorders with psychotic symptoms such as delusions and hallucinations was examined.

    • Main Results:

    • Most DSM-III eating disorder criteria were present in schizophrenic patients, but few met full diagnostic criteria.
    • Only one patient, an anorexic woman, fully met the criteria for an eating disorder diagnosis.
    • Eating disorders were associated with delusions in two-fifths and hallucinations in one-sixth of patients; over half exhibited deviant eating behavior without thought or perceptual disorders.

    Conclusions:

    • Eating disorders in chronic schizophrenia are distinct from those in younger populations.
    • Schizophrenic eating disorders are prevalent but often do not meet full diagnostic criteria.
    • These eating disorders did not appear to disrupt the social functioning of the hospital or surrounding community.