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Related Experiment Videos

Obsessive-compulsive symptoms in eating disorders.

T A Fahy1

  • 1Institute of Psychiatry, De Crespigny Park, London, England.

Behaviour Research and Therapy
|January 1, 1991
PubMed
Summary

This study found no significant obsessive-compulsive symptoms in anorexia nervosa or bulimia nervosa patients compared to controls. Treatment outcomes for bulimia nervosa did not correlate with obsessive-compulsive symptom severity.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Obsessive-compulsive disorder (OCD) and eating disorders (EDs) share some overlapping symptoms.
  • Previous research has yielded conflicting results regarding the relationship between EDs and OCD.
  • Understanding the comorbidity is crucial for effective treatment strategies.

Purpose of the Study:

  • To investigate the prevalence of obsessive-compulsive symptoms (OCS) in patients with anorexia nervosa (AN) and bulimia nervosa (BN).
  • To examine the relationship between OCS and treatment outcomes in patients with BN.
  • To clarify the diagnostic classification of EDs in relation to OCD.

Main Methods:

  • Measured OCS using the Maudsley Obsessional-Compulsive Inventory (MOCI) in new referrals with AN (n=29) and BN (n=77).
  • Assessed 38 BN patients undergoing a structured treatment program.
  • Compared MOCI scores between ED groups, normal controls, and analyzed correlations with treatment outcomes.

Main Results:

  • No significant difference in MOCI scores was found between AN, BN groups, and normal controls.
  • Poor treatment outcomes in BN patients were associated with higher scores on the MOCI-doubting sub-scale.
  • No significant differences in OCS or treatment outcomes were observed based on bingeing frequency or MOCI scores.

Conclusions:

  • The findings do not support the classification of eating disorders as a subtype of OCD.
  • Previous conflicting results may be due to selection bias and the impact of low body weight.
  • Further research is needed to elucidate the complex relationship between OCS and EDs.

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