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Evaluation of postural balance in postmenopausal women and its relationship with bone mineral density--a cross sectional study.

Abstract：

BACKGROUND:Low bone mineral density (BMD) and falls are common problems encountered in the postmenopausal women. The purpose was to evaluate the association between postural balance and BMD in postmenopausal women and its relation to risk for falls. METHODS:In this cross-sectional study, 225 women in amenorrhea > 12 months and age ≥ 45 years were included and divided, according to BMD, in T-score values > -2.0 SD (n = 140) and ≤ -2 SD (n = 85). Those with neurological or musculoskeletal disorders, history of vestibulopathies, uncorrected visual deficit or drug use that could affect balance were excluded. History of falls (last 24 months), clinical and anthropometric characteristics were evaluated. Postural balance was assessed by stabilometry (force platform). For statistical analysis were used Wilcoxon's Test, Chi-Square Test and logistic regression method for fall risk (Odds Ratio-OR). RESULTS:Patients with BMD > -2.0 SD were younger, with shorter time since menopause, and showed higher BMI as compared to those with low BMD (≤ -2 SD) (p < 0.05). It was observed that 57.8% of the participants reported fall episodes without significant difference distribution between the groups (p = 0.055). No differences were found from the comparison between the groups (p > 0.05) for stabilometric parameters. Risk for falls increased with age (OR 1.07; CI 95% 1.01-1.13), current smoking (OR 2.19; CI 95% 1.22-3.21) and corrected visual deficit (OR 9.06; CI 95% 1.14-4.09). In contrast, hormone therapy (HT) use was significantly associated with reduced risk for falls (OR 0.48; CI 95% 0.26-0.88). CONCLUSIONS:In postmenopausal women, BMD did not show association with postural balance or risk for falls. Age, smoking and corrected visual deficit were clinical indicators of risk for falls whereas HT use showed to be a protective factor.

journal_name

BMC Musculoskelet Disord

journal_title

BMC musculoskeletal disorders

authors

Cangussu LM,Nahas-Neto J,Petri Nahas EA,Rodrigues Barral AB,Buttros Dde A,Uemura G

doi

10.1186/1471-2474-13-2

subject

Has Abstract

pub_date

2012-01-16 00:00:00

pages

issn

1471-2474

pii

1471-2474-13-2

journal_volume

pub_type

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Evaluation of postural balance in postmenopausal women and its relationship with bone mineral density--a cross sectional study.