【摘要】 目的了解西宁地区健康人各年龄段骨矿物含量正常值。方法用SD-1000单光子骨矿物测定仪窄束γ-线通过非优势侧桡、尺骨中下1/3交界处测试点横向扫描。获得骨线密度(BMC)、面密度(BMD)及桡、尺骨骨密度均值。结果1.男性的骨密度在31~40岁为峰顶,女性在41~50岁达峰;2.性成熟期(18~44岁)骨密度值最高,此后随增龄而下降;3.体重与骨矿的含量相关;4.按WHO制定的低于同性别性成熟期骨密度2.5 s为骨质疏松的诊断标准,女性老年期为此症者占24.2%,男性老年期为4.60%,女性为男性5.3倍;5.按低于同性别性成熟期骨密度1 s为低骨量,男、女老年期分别为54%、82.3%。结论1.女性骨峰值较男性晚10年;2.男女性者骨密度值在性成熟期(18~44岁)达峰,此后骨矿物质含量丢失随年龄增长增多;3.体胖者骨矿含量相对较多;4.老年期骨质疏松发生率女性比男性高5.3倍,表明性腺的衰退时间对骨矿物的丢失有重大影响;5.西宁地区低骨量的高危人群众多,应该行早期行干预治疗。*更多还原

【Abstract】 Objective In order to investigate normal content the bone mineral in health people at different age in plateau.Methods BMC,BMD and their mean were determined by SD-1000 machine.Selected detecting point was at 1/3 point of middle and down of the radius and ulna of the left arm.Results 1)Bone density of the female or the male was reach to peak at 41-50 age and 31-40 age respectively.2) Bone density were reach to peak at sex mature period(18-44 age) and dropped following the the age increased.3) Body weight was closely related to the bone density values.4) Based on the diagnosis criteria of WHO about osteoporosis that bone density value is lower than 2.5 sD at sex mature of the sex,the female reached to 24.2% but the man was 4.6% at old age.The incidence rate of the female was 5.3 times higher than that of the male.5) Based on diagnosis criteria of low bone mineral mass that bone density value of sex mature period at same sex was lower than 1sD,the incidence rate of female was 54% and male was 83.33% in old age period respectively.Conclusion 1)The Peak of bone density values in female was 10 years later than that of male’s.2) Bone density values of the female were reached to peak in sex mature period(18-44 age)and dropped fast following the age increased.3) Body weight was closely related to bone density values.4) It suggested that the sex gland failure significantly affected the loss of bone mineral according to the osteoporosis incidence rate of women is 5.3 times as great as that of men.5) It is imperative that we should interfere on high-risk group in premature period whose bone density were low bone mineral mass in plateau.更多还原