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Published on: May 14, 2018
Osteoporosis in anorexia nervosa
Philip S Mehler1, Barbara S Cleary, Jennifer L Gaudiani
1Department of Medicine, University of Colorado Health Sciences Center, Denver, Colorado, USA. pmehler@dhha.org
Eating Disorders
|March 2, 2011
Summary
Osteoporosis is prevalent in anorexia nervosa, increasing fracture risk. Bone density loss can be rapid and may not fully recover, even after weight restoration.
Area of Science:
- Endocrinology
- Bone Metabolism
- Eating Disorders
Background:
- Osteoporosis is a significant complication of anorexia nervosa.
- Patients with anorexia nervosa face an elevated lifetime risk of fractures.
- Bone loss may be irreversible even after achieving a healthy weight.
Purpose of the Study:
- To summarize the key aspects of osteoporosis in anorexia nervosa.
- To highlight the predictors and multifactorial etiology of bone loss.
- To emphasize the need for early diagnosis and treatment.
Main Methods:
- Review of existing literature on osteoporosis and anorexia nervosa.
- Identification of strongest predictors for bone density loss.
- Discussion of hormonal and biochemical factors contributing to bone loss.
Main Results:
- Low body weight and amenorrhea are the strongest predictors of osteoporosis.
- Bone density loss can occur early and rapidly in the course of the disorder.
- Multifactorial causes include low estrogen, progesterone, high cortisol, and low insulin-like growth factor-1 (IGF-1).
Conclusions:
- Dual-energy X-ray absorptiometry (DXA) is crucial for assessing bone density.
- Effective treatments to reverse bone loss in anorexia nervosa are currently limited.
- Early intervention for anorexia nervosa is critical to prevent irreversible bone loss.
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