期刊
AGE AND AGEING
卷 39, 期 2, 页码 234-239出版社
OXFORD UNIV PRESS
DOI: 10.1093/ageing/afp222
关键词
osteoporosis; osteoarthritis; hip; knee; bone mineral density; elderly
资金
- Newcastle upon Tyne Hospitals NHS Charity
Objective: to determine the prevalence of osteoporosis among patients with osteoarthritis awaiting total knee arthroplasty or total hip arthroplasty aged between 65 and 80 years. Design: cross-sectional observational study. Setting: tertiary referral centre in Newcastle upon Tyne, UK. Subjects: patients with osteoarthritis awaiting total knee hip arthroplasty aged between 65 and 80 years. Methods: lumbar spine, bilateral femoral and forearm bone mineral density (BMD) measurements were obtained using dual-energy X-ray absorptiometry. Results: the cohort consisted of 199 patients with a mean age of 72 years (SD 4), and 113 (57%) were women. The overall rate of osteoporosis at any site was 23% (46/199) and a further 43% (85/199) of patients would have been classified as osteopaenic according to World Health Organization criteria. Osteoporosis was more commonly detected in the forearm (14%) than the lumbar spine (8.5%) and proximal femur of the index side (8.2%). Conclusions: in summary, a significant proportion of patients with end-stage OA have osteoporosis but this diagnosis may be missed unless BMD measurements are performed at sites distant from joints affected by OA.
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