Low bone mineral density measurements in care home residents--a treatable cause of fractures.

PURPOSE to assess predictors of fracture risk and treatment for osteoporosis among elderly care home residents. SUBJECTS AND METHODS DESIGN cross-sectional survey; SETTING residents of care homes in Newcastle upon Tyne, UK; PARTICIPANTS representative sample from residential care (87), nursing homes (105) and specialist homes for elderly people with dementia [elderly mentally infirm (EMI)]: residential (124) and nursing (76); MAIN OUTCOME MEASURES dual-energy X-ray absorptiometry bone mineral density (BMD) at calcaneum; functional assessments, including cognition, using Mini-Mental State Examination (MMSE), Clifton Assessment Procedure for the Elderly-Behaviour Rating Score (CAPE-BRS) and Functional Assessment Staging Test (FAST) scores; current drug prescription. RESULTS MMSE, CAPE, FAST (all ANOVA P < 0.001) and weight (ANOVA P < 0.02) were lower in EMI homes. Drugs with sedative effects (chi-square, P < 0.0001) were more likely and calcium and vitamin D (CaD) supplementation (chi-square, P < 0.02) less likely in EMI care. For residential care, the odds ratio (OR) for sedative drugs in EMI was 2.13 (95% CI 1.11-4.06) with no significant difference between nursing homes. For CaD supplementation, the OR for EMI nursing homes was 0.19 (95% CI 0.05-0.72) and for EMI residential homes 0.38 (NS to 95% CI 0.12-1.27). BMD was low: mean T-score was -2.29 (95% CI -2-48 to -2.09) and Z-score -0.96 (95% CI -1.16 to -0.76) with a prevalence of osteoporosis (T-score < -1.6) of 69.2%. MMSE and FAST scores did not predict BMD. In EMI residential care, a decrease of CAPE score by 5 points was associated with a decrease in T-score by 0.6 (95% CI 0.15-1.1). CONCLUSIONS of the tools used to assess function, only CAPE predicted low BMD in EMI residential care. Rates of CaD supplementation are particularly low in EMI care, where risk factors for fracture were the greatest. We conclude that fracture risk is neglected in these homes, and targeted education and treatment are warranted.

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