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Time course of bone loss in patients with anorexia nervosa

Abstract: Objective: To evaluate the time course of bone mineral density (BMD) in women with anorexia nervosa (AN) during 2-year follow-up. Method: We prospectively studied 51 female with AN aged 18-38 years, and 40 age-matched healthy women (19-34 years). BMD was measured in lumbar spine (LS), femoral neck (FN), and total hip (TH) by DXA. Results: At baseline, weight, body mass index, and lumbar and hip BMD were significantly (p < .001) lower in AN patients than in controls. Patients who gain weight showed a significant increase in BMD at FN (+1.6%; p < .05), and TH (+4.4%; p < .05) and lower nonsignificant changes in LS (+1.3%). Weight at entry, and percent change of weight were significant determinants (p < .05) of the variability in percent change of BMD at FN and TH, whereas weight at entry was the main determinant of bone modifications at lumbar spine. Discussion: Our data emphasize the influence of weight gain in recovery of bone mass in AN patients, especially at the hip.

 Fuente: The International Journal of Eating Disorders, 2010, 43(6), 537-542

 Publisher: Wiley

 Year of publication: 2010

 No. of pages: 6

 Publication type: Article

 DOI: 10.1002/eat.20731

 ISSN: 1098-108X,0276-3478