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SPA法和DXA法测量前臂骨密度的比较及终末期肾病患者骨密度变化特点 被引量:3

COMPARISON OF SPA WITH DXA IN MEASUREMENT OF BONE MINERAL DENSITY OF FOREARM AND ITS CHARACTERISTIC IN PATIENTS WITH END STAGE RENAL DISEASE
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摘要 目的:比较单光子吸收法(SPA)和双能X线吸收法(DXA)测量前臂骨密度上的结果,探讨SPA的应用价值;比较尿毒症患者不同部位骨密度的情况。方法:分别用SPA和DXA对87例15岁~50岁(平均3372岁)人群进行前臂骨远端1/3段骨密度进行测量与比较,并对17例行血液透析治疗的尿毒症患者进行股骨、腰椎、桡骨远端骨密度的测量。结果:SPA和DXA的测量结果显著正相关(r=0907,P<001),尿毒症患者桡骨远端1/3部位骨密度的丢失速度较腰椎、股骨颈、大转子更明显。其T评分是它们的184~424倍。结论:SPA具有一定的应用价值。在测量骨密度时应依据具体的疾病,选择合理的部位进行骨密度测量,从而提高诊断水平。 Objective:To compare single photon absorptiometry(SPA) with dual energy X ray absorptiometry(DXA) in measurement of bone mineral density(BMD) of forearm and to study about the usefulness of forearm BMD in clinical practice.Methods:We measured BMD of 87 healthy individuals aged 15 50 years(33 7 years) in the distal 1/3 segment of radius by using SPA and DXA with comparison of their results.The BMD of proximal femur,vertebra and distal radius were measured in 17 patients with uremia who underwent hemodialysis.Results:The result of SPA is correlated significantly with the DXA results( r =0 907, P <0 01),the bone loss rate in the distal 1/3 segment of radius is quicker than that in other segments in uremia patients,with 1 84 4 24 folder increasement of the T score in the former.Conclusion:In order to improve the diagnostic level,it is important to select a correct segment based on different disease for measurement of BMD.
出处 《中日友好医院学报》 1999年第3期147-149,共3页 Journal of China-Japan Friendship Hospital
关键词 骨密度 放射摄影术 尿毒症 SPA bone density radiography dual energy scanned projection absorptiometry photon uremia
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