Predictors of low bone density in young people adolescent females with anorexia nervosa and other dieting disorders

Turner, J.M., Bulsara, M.K., McDermott, B.M., Byrne, G.C., Prince, RL, and Forbes, D.A. (2001) Predictors of low bone density in young people adolescent females with anorexia nervosa and other dieting disorders. International Journal of Eating Disorders, 30 (3). pp. 245-251.

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Objective: To compare the bone density of adolescent patients with anorexia nervosa with adolescent patients with other dieting disorders and to evaluate risk factors for low bone density in these patients.

Method: Sixty-nine consecutive female patients referred to an adolescent eating disorders clinic were studied by interview, blood sampling, body composition, and lumbar spine bone density measurement using dual energy X-ray absorp- tiometry.

Results: Although patients with anorexia nervosa were more malnourished, their bone density was similar to other dieting patients. Patients were divided into a low and normal bone density group irrespective of psychiatric diagnosis. Patients with low bone density had dieted for longer, had lower lean body mass, more often had not achieved menarche, and had longer duration of secondary amenorrhea and lower estrogen levels.

Discussion: Irrespective of clinical diagnosis, adolescents with dieting disorders have in- creased risk of low bone density when malnutrition commences early in puberty and is associated with reduced lean body mass and impaired ovarian function.

Item ID: 45920
Item Type: Article (Research - C1)
ISSN: 1098-108X
Keywords: bone density, dieting, adolescence
Funders: National Health and Medical Research Council of Australia (NHMRC)
Date Deposited: 04 Oct 2016 01:08
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1114 Paediatrics and Reproductive Medicine > 111403 Paediatrics @ 100%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920116 Skeletal System and Disorders (incl. Arthritis) @ 100%
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