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Outcome of anorexia nervosa: a case-control study
P F Sullivan1, C M Bulik, J L Fear
1Department of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond 23298-0126, USA. sullivan@psycho.psi.vcu.edu
The American Journal of Psychiatry
|July 11, 1998
Summary
Anorexia nervosa (AN) often leads to long-term psychological issues and high rates of comorbid depression and anxiety, even after initial recovery. Effective treatment must address these persistent features and comorbidities.
Area of Science:
- Psychiatry
- Clinical Psychology
- Longitudinal Studies
Background:
- Methodological limitations in previous anorexia nervosa outcome studies hinder interpretation.
- A case-control design was employed to enhance understanding of anorexia nervosa prognosis.
Purpose of the Study:
- To investigate the long-term outcomes of anorexia nervosa.
- To identify persistent psychological features and comorbidities in individuals with a history of anorexia nervosa.
Main Methods:
- A case-control study design was utilized.
- Female patients with probable or definite anorexia nervosa (N=70) were recruited from an eating disorders service.
- A comparison group (N=98) was drawn from a random community sample.
- Structured diagnostic interviews were administered to all participants.
Main Results:
- A small percentage (10%) of patients still met anorexia nervosa criteria 12 years post-referral.
- Persistent low body weight and characteristic cognitive features (perfectionism, cognitive restraint) were observed even in those no longer meeting diagnostic criteria.
- High rates of lifetime major depression, alcohol dependence, and anxiety disorders were found.
Conclusions:
- Treatment approaches focusing solely on weight gain may be insufficient in the current healthcare landscape.
- Anorexia nervosa is a severe psychiatric disorder associated with significant long-term morbidity.
- Comprehensive assessment and treatment of psychological features and comorbidities are crucial for managing anorexia nervosa.