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Related Experiment Videos

Obsessive compulsive disorders in eating disorders.

M Speranza1, M Corcos, N Godart

  • 1Adolescent and Young Adult Psychiatry Department, Institut Mutualiste Montsouris, 42 Bd Jourdan, 75014 Paris, France.speranza@noos.fr

Eating Behaviors
|March 6, 2004
PubMed
Summary

Obsessive-compulsive disorder (OCD) is more prevalent in individuals with eating disorders (EDs) than the general population, with OCD diagnoses often preceding ED onset. Denutrition showed limited links to obsessionality in this study.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Eating disorders (EDs) are complex conditions often co-occurring with other psychiatric disorders.
  • Obsessive-compulsive disorder (OCD) shares some phenomenological similarities with EDs, suggesting potential overlap in underlying mechanisms.

Purpose of the Study:

  • To investigate the prevalence of current and lifetime obsessive-compulsive disorder (OCD) within distinct eating disorder (ED) subgroups and subtypes.
  • To examine the chronological relationship between the onset of OCD and EDs.
  • To assess the influence of nutritional status on the manifestation of obsessionality in ED patients.

Main Methods:

  • A sample of 89 patients with DSM-IV defined EDs (58 anorexia nervosa, 31 bulimia nervosa) and 89 matched controls were assessed.

Related Experiment Videos

  • The Mini International Neuropsychiatric Interview (MINI) and Yale-Brown Obsessive Compulsive Scale (Y-BOCS) were used to determine current and lifetime prevalence of OCD.
  • Chronological assessment of disorder onset and evaluation of nutritional status were conducted.

    • Main Results:

    • Current and lifetime OCD prevalence was significantly higher in the ED group (15.7% and 19%) compared to controls (0% and 1.1%).
    • Anorexia nervosa patients, particularly those with purging subtype (29% current, 43% lifetime), showed higher OCD comorbidity than bulimia nervosa patients.
    • In most cases (65%), OCD diagnosis preceded the ED diagnosis, and denutrition did not significantly impact OCD prevalence or severity.

    Conclusions:

    • Individuals with EDs exhibit a substantially higher prevalence of OCD compared to the general population.
    • OCD is often a precursor to the development of eating disorders.
    • Nutritional status appears to have a limited role in the relationship between denutrition and obsessionality in the context of EDs.