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目的:探讨上海地区绝经后妇女的骨密度与其身体成分间的相关性,以确定脂肪组织和肌肉组织对骨密度的影响。方法:从上海市徐汇区的社区中选择410名51～75岁绝经后健康女性,填写问卷调查表,行常规体检,并通过双能X线吸收仪(Lunar-Prodigy)测定其腰椎、股骨近端骨密度和身体成分分布。结果:肌肉、脂肪组织量与腰椎、股骨颈及全髋部骨密度值呈正相关,其中肌肉组织对腰椎、股骨颈和全髋部骨密度变异的贡献率是7.9%～24.8%,明显大于脂肪组织的贡献率。结论:上海地区绝经后健康女性的体脂量与其腰椎、股骨颈及全髋部骨密度间具有相关性。无论是脂肪组织还是肌肉组织均与腰椎、股骨颈及全髋部骨密度呈正相关,而肌肉组织是比脂肪组织更能决定骨密度的变异因素,提示临床干预骨质疏松时,需考虑患者加强锻炼以提高肌肉强度。
Objective: To investigate the correlation between bone mineral density and body composition in postmenopausal women in Shanghai to determine the effect of adipose tissue and muscle tissue on bone mineral density. METHODS: A total of 410 healthy postmenopausal women aged 51-75 years were selected from the communities in Xuhui District of Shanghai. The questionnaires were filled in and routine physical examinations were performed. The lumbar vertebrae and femur were measured by Lunar-Prodigy End-bone density and body composition distribution. Results: There was a positive correlation between the amount of muscle and adipose tissue and the BMD of lumbar, femoral neck and total hip. The contribution rate of muscle mass to BMD of lumbar spine, femoral neck and total hip was 7.9% ~ 24.8%, significantly higher than that of fat The contribution rate of the organization. CONCLUSIONS: Body fat mass in healthy postmenopausal women in Shanghai has a correlation with BMD of lumbar, femoral neck and total hip. Both adipose tissue and muscle tissue were positively correlated with BMD of lumbar spine, femoral neck and total hip, while muscle tissue was a more variable factor determining BMD than adipose tissue, suggesting that patients should be considered for clinical intervention in osteoporosis Exercise to improve muscle strength.