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目的探讨桡骨超声骨密度检查法的临床应用价值。方法选取2015年1—12月在中山市人民医院体检中心进行体检的2 619名体检者作为研究对象,入选人群按性别、年龄分组,采用定量超声骨密度仪进行桡骨骨密度测量;同时在上述入选人群中随机抽取200例,采用双能X线吸收法(DXA)测量骨密度,比较定量超声测定法(QUS)的灵敏度及特异度。结果 2 619例受检者中骨量减少者有876例(33.45%),骨质疏松有195例(7.44%);其中男性骨量减少占29.29%,骨质疏松占6.42%;女性骨量减少占36.48%,骨质疏松占8.20%。男性、女性受检者随着年龄的增长,骨量异常发生率逐渐增高,与20~29岁组比较,差异有统计学意义(P<0.05)。50~59岁组、60~69岁组、70~79岁组及80~89岁组的女性骨量异常发生率及骨质疏松症(OP)发生率均明显高于男性,差异有统计学意义(P<0.05);其余年龄组的男性及女性骨量异常发生率及OP发生率比较,差异无统计学意义(P>0.05)。结论在健康体检人群中,骨量异常有着较高的发生率,桡骨超声骨密度检测适合用于体检中心的大规模人群普查。
Objective To investigate the clinical value of radial bone ultrasound examination. Methods From January to December 2015, 2 619 physical examinations were performed in Zhongshan Medical Examination Center. The subjects were divided into groups according to gender and age, and the bone mineral density was measured by quantitative ultrasound bone densitometry. At the same time, A total of 200 patients were enrolled in the study. Bone mineral density (BMD) was measured by dual-energy X-ray absorptiometry (DXA). The sensitivity and specificity of quantitative ultrasound (QUS) were compared. Results There were 876 (33.45%) osteopenia and 195 (7.44%) osteoporosis in 2 619 subjects. Among them, 29.29% were osteopenia and 6.42% were osteoporosis; Reduce 36.48%, osteoporosis 8.20%. The prevalence of abnormal bone mass gradually increased with age in both male and female subjects, which was significantly different from that in 20-29 age group (P <0.05). The prevalence of osteoporosis and the incidence of osteoporosis (OP) in women aged 50-59, 60-69, 70-79 and 80-89 years old were significantly higher than those in men (P <0.05). There was no significant difference in the incidence of osteoporosis and OP in the other age groups between men and women (P> 0.05). Conclusion In the health examination population, the abnormal bone mass has a high incidence. Radiographic bone mineral density test is suitable for large-scale population screening in the center of physical examination.