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目的探讨骨密度测量部位选择对诊断结果的影响。方法收集本院50岁以上212人(男96人,女116人)均做了腰椎正位和髋部骨密度测定,测定结果根据T值(T值是将个体骨密度与相应性别和种族青年人的骨密度参考值进行比较)WHO诊断标准诊断为骨量减少或骨质疏松症的病人,比较不同测量部位对诊断结果的影响。结果在50～70岁年龄段腰椎对骨量减少和骨质疏松症检出较髋部敏感,但是随着年龄增长,在70岁以后,腰椎对骨量减少和骨质疏松症的诊断敏感性在下降而髋部却大幅上升。结论在50～70岁年龄段骨密度测定部位应首选腰椎,70岁以后腰椎和髋部均进行测量综合分析。
Objective To investigate the impact of site selection on the diagnosis of bone mineral density. Methods A total of 212 persons (96 males and 116 females) aged 50 years and over in our hospital were collected for the determination of lumbar spine and hip BMD. The results were based on T value (T value was calculated by comparing individual BMD with corresponding gender and ethnic youth Human bone mineral density reference value) WHO diagnostic criteria for the diagnosis of osteopenia or osteoporosis patients, different parts of the comparison of the diagnostic results. Results In the age group of 50-70 years, the lumbar spine was less sensitive to hip loss and osteoporosis compared with the hip, but with age, the sensitivity of the lumbar spine to osteopenia and osteoporosis after 70 years of age The decline in the hip but a substantial rise. Conclusions The lumbar spine should be the first choice in the measurement of bone mineral density in the age group of 50-70 years old, and the lumbar spine and hip after the age of 70 years are all analyzed comprehensively.