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通过对健康女性进行 DEXA骨密度检测 ,探讨腰椎骨密度的变化与年龄增长的关系 ,及老年性骨质疏松症及绝经后骨质疏松的发病规律 ,为骨质疏松病人提供群体防治依据。对 338例健康非体力劳动女性采用美国 Holgic公司生产的 QDR- 4 5 0 0型双能 X线吸收仪进行腰椎正侧位扫描 ,检测腰椎骨密度值 ,对所得数据进行分析比较。结果证实骨密度 30岁以前呈增加趋势 ,30～ 35岁达峰值 ,此后逐渐下降 ,5 0岁以后明显下降 ,绝经后时间越长 ,骨质疏松发病率越高 ,说明老年性骨质疏松症发病与年龄增长及绝经时间长短有关
Through the DEXA bone mineral density test in healthy women to explore the relationship between changes of lumbar spine bone mineral density and age, and the incidence of senile osteoporosis and postmenopausal osteoporosis, so as to provide basis for prevention and treatment of osteoporosis. A total of 338 healthy non-physical working women were scored on the positive side of the lumbar vertebrae using a QDR-4500 dual-energy X-ray absorptiometer manufactured by Holgic Company in the United States. The lumbar BMD was measured and the data were analyzed and compared. The results showed that bone mineral density increased before the age of 30, reaching a peak at 30 to 35 years old, then gradually decreased, decreased significantly after 50 years of age, the longer the postmenopausal period, the higher the incidence of osteoporosis, indicating senile osteoporosis Incidence and age and duration of menopause related