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目的 调查妇女骨密度 ( BMD)变化规律 ,为妇女骨质疏松症 ( OP)的预防和治疗提供流行病学依据。方法 对 2 772例妇女采用单光子骨密度仪检测前臂桡骨 BMD。结果 ( 1) BMD在 35～ 39岁达到峰值 ( 0 .65 6± 0 .0 74g/ cm2 ) ,45岁以后 BMD开始减少 ,5 0岁以后显著下降 ( P<0 .0 1) ;( 2 ) BMD减少与年龄增长、绝经年限有关 ;( 3) 5 0岁～ 70岁期间 OP的发生率为 30 .16% ;( 4) 10 .0 4%～ 11.76%的青年妇女 BMD未达最佳峰值。结论 妇女围绝经期是治疗 OP的关键时间 ,OP的预防应从青年时期开始。
Objective To investigate the changes of bone mineral density (BMD) in women and provide epidemiological basis for the prevention and treatment of osteoporosis (OP) in women. Methods A total of 2 772 women were examined by single photon densitometer for forearm radial BMD. Results BMD peaked at 35-39 years (0.665 ± 0.744 cm / cm2), BMD decreased after age 45 and decreased significantly after 5 years (P0.01). (2) ) BMD reduction was related to age and menopause. (3) The incidence of OP in the range of 50 to 70 years old was 30.16%. (4) The BMD in 10.0 4% ~ 11.76% of the young women was less than the best Peak. Conclusions Peri-menopausal women are the key time to treat OP. Prevention of OP should start from youth.