濮阳地区老年人易骨折骨密度阈值的研究

Fracture Threshold of Osteoporosis in Old Aged People in Puyang Area

目的探讨用MetriScanTMX线骨密度测定仪诊断骨质疏松症的标准及老年男女易骨折的骨密度阈值。方法对濮阳地区20岁以上的健康男女各1080人和50岁以上有骨折史的男149人、女278人进行骨密度测定。结果本地区骨密度峰值在30～39岁,之后随年龄增加而下降,女性50～59岁骨量丢失加速。男性骨量丢失是缓慢,但在70岁以后也有一快速骨量丢失过程。结论用本地区20～39岁男女骨密度均值减去2.5SD(男0.628g/cm2;女0.511g/cm2)为濮阳地区老年患者的骨密度阈值。OP的防治重点在老年女性患者,老年男性患者也应受到重视,尤其70岁后的老年患者。

Objective To study the clinical application of MetriScanTM X-ray absorptiometer was made in USA to diagnostic criterion of osteoporosis and fracture threshold for the old people.Methods 1080 heaithy men and women over 20 years old and 149 men and 278 women over 50 years old with history of fracture in Puyang area included the study.Bone mineral densisty was measured in 2～4 finger of non-predominance hand by MetriScanTM.They were divided into 6 groups by every ten years.Reaults The peak value of BMD appeared at 30～39 years in groups of both sexes BMD values after peak gradually diminished with increasing age.Accelerating loss of BMD was found at age 50～59 for females.The bone was lost of men gradually,but there were also a rapid loss in age group of 70.Conlusion The peak BMD values may be used as diagnostic criterion of osteoporosis.The peak BMD minus 2.5SD can be taken as the fracture threshold risk for the aged in Puyang area.We should give to females the emphasis of prevention of OP,but we should pay attention to males as well.