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Ann Intern Med. 2000 Nov 21;133(10):790-4.

Prevalence and predictive factors for regional osteopenia in women with anorexia nervosa.

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  • 1Neuroendocrine Unit, Bulfinch 457b, Massachusetts General Hospital, Boston, MA 02114, USA.

Abstract

BACKGROUND:

Anorexia nervosa is highly prevalent among young women.

OBJECTIVE:

To determine prevalence and predictive factors for regional bone loss.

DESIGN:

Prospective cohort analysis.

SETTING:

University hospital.

PATIENTS:

130 women with anorexia nervosa.

MEASUREMENTS:

Dual-energy x-ray absorptiometry.

RESULTS:

The prevalence of osteopenia (-1.0 SD >/= T-score > -2.5 SD) and osteoporosis (T-score </= -2.5 SD) was 50% and 13% for the anterior-posterior spine, 57% and 24% for the lateral spine, and 47% and 16% for the total hip, respectively. Bone mineral density (BMD) was reduced by at least 1.0 SD at one or more skeletal sites in 92% of patients and by at least 2.5 SD in 38% of patients. Weight was the most consistent predictor of BMD at all skeletal sites. Twenty-three percent of patients were current estrogen users, and 58% were previous estrogen users. Bone mineral density did not differ by history of estrogen use at any site.

CONCLUSIONS:

Bone mineral density is reduced at several skeletal sites in most women with anorexia nervosa. Weight, but not estrogen use, is a significant predictor of BMD in this population at all skeletal sites.

Comment in

PMID:
11085841
[PubMed - indexed for MEDLINE]
PMCID:
PMC3206091
Free PMC Article
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