dxa

The Clinical Application of Femur Strength Index Measured by DXA

DXA股骨强度指数测量的临床应用研究

DXA indicated that the bone density of experimental group was significantly higher than that of control group .

对照组为纤维性愈合骨不连，骨密度检测实验组显著高于对照组。

Clinical Application of Measurement of Forearm BMD by DXA

前臂DXA骨密度测量的临床应用

The Study of the Difference of Bilateral Proximal Femur Bone Mineral Density in DXA Measurements

双侧股骨近端DXA骨密度测量差异性的研究

Influence of spinal degenerative joint disease on BMD measurement by QCT and DXA

腰椎退行性骨关节病对骨密度测定的影响

Conclusion DXA is a sensitive way to quantitatively study the BMD changes of MM patients and evaluate therapeutic effect .

结论DXA是定量监测MM患者BMD变化和评价疗效的敏感方法。

The Positive and Negative Effects of Exogenous Fat to the Bone Mineral Density Measurement in Healthy Women by DXA

外源性脂肪对DXA测量健康女性骨密度结果的正性与负性作用

The study of the precision of bone mineral density and body composition measurement in rats using DXA THE MODEL AND MEASUREMENT METHODS OF BODY COMPOSITION

用DXA测量大鼠骨密度和身体成分的精密度人体体成分的模型及检测方法研究进展

The bone mineral density ( BMD ) of the hip and spine were measured by DXA .

其中男女各40例。采用双能量骨密度仪分别测定其脊柱及髋部各部位的骨密度值。

Bone mineral density was assessed by DXA , and quantitative morphometric analysis was used to identify radiological vertebral fractures .

研究中采用了DXA法检测骨密度，形态定量分析法则被用于确诊放射线检测到的椎骨骨折。

A comparison of DXA , QCT and SPA for diagnosis of osteoporosis in postmenopausal women

DXA、QCT和SPA方法测量47例绝经后妇女骨质疏松症的比较

Manufacture and Evaluation of a Spine Phantom Used in the Cross-calibration of DXA Bone Densitometry

DXA测量用校准脊椎体模的研制及临床测试

Cross calibration functions through our results have good accordance with the functions given by International DXA Standardization Committee ( IDSC ) .

从测定结果所得的校正公式与国际DXA标准化委员会所提供的校正公式之间有较好的可比性。

Objective To design and manufacture a reliable spine phantom used in the cross calibration and quality control of dual X-ray absorptiometry ( DXA ) .

目的研制一种性能可靠的DXA测量用校准（cross-calibeation）及质量控制脊椎体模，并进行体模临床测试。

Conclusion The proximal tibia and distal femur are the most sensitive regions for detecting bone loss in ovariectomized rat by DXA .

结论DXA测量大鼠骨量是精密和有效的方法，胫骨近端干骺端和股骨远端干骺端是大鼠去卵巢后骨丢失最敏感区域。

Methods : Measuring the bone density of mandibular angle and coxofemoral region with dual energy X ray absorptiometer ( DXA ) .

方法：采用双能X线吸收测量仪（DXA，骨密度仪），测量右侧髋部与左侧下颌角的骨矿物密度。

There were highly significant correlations in BMD at forearm measured by DXA and SPA , and no significant difference was found in diagnostic results .

SPA与DXA测量前臂BMD高度相关，诊断结果无显著性差别。

In this study we compared dual energy x-ray absorption ( DXA ) and quantitative computed tomography ( QCT ) in the diagnosis of osteoporosis .

本研究比较了双能X线吸法（DXA）与定量CT（QCT）在骨质疏松症诊断中的应用。

Aim : Computer and Microsoft Access was used to attain the goal of intellectual management of the patient database from Dual-energy X-ray absorptiometry ( DXA ) .

目的：利用计算机、MicrosoftAccess数据库软件对双能X线骨密度测定（DXA）的数据资料进行智能化管理。

Considering the result of dual-energy X-ray absorptiometry ( DXA ) as the golden criteria , the Bayes discriminant analysis was employed to explore the function .

以双能X线骨密度仪（dual-energyx-rayab-sorptiometry，DXA）的测量结果作为金标准，采用二分类的Bayes判别分析，建立判别函数。

Objective : To measure directly the distribution of body composition and assess the correlation between body fat distribution and age , sex by dual energy X ray absorptiometry ( DXA ) .

目的：应用双能X射线吸收法（DXA）直接测量评定体成分的分布及其与年龄、性别的关系。

Aim : To measure the precision of bone mineral density ( BMD ) and body composition in rats using dual-energy X-ray absorptiometry ( DXA ) and evaluate its reliability .

目的：采用双能X线吸收法（DXA）进行大鼠骨密度（BMD）和身体软组织成分测量的精密度试验，探讨DXA对大鼠骨密度和身体软组织成分测量结果的可靠性。

The patients with the above two manifestations were all over 40 . Conclusion : Measuring forearm BMD by DXA was an anodyne and noninvasive facilitated examination .

结论：前臂DXA骨密度测量是一种无痛、无创、方便的检查技术，可为临床预防及治疗骨质疏松症提供可靠的依据。

BMD ( g / cm2 ) and bone size ( cm2 ) was measured at the lumbar spine and the hip region using dual-energy X-ray absorptiometry ( DXA ) .

使用双能X射线骨密度吸收仪（Dual-energyx-rayabsorptiometry，DXA）测量腰椎和髋部的BMD（克／平方厘米）和骨大小（平方厘米）。

Methods : BMD at lumber spine 2-4 and total bone were measured by DXA and the serum hormone concentration was measured by RIA in 82 ( 47-75 ) middle-aged and aged men .

方法：用双能X线吸收测量法测量82例中老年男性（47～75岁）腰椎2～4骨密度和全身骨密度，并用放免法检测血清激素水平。

Methods A hydroxyapatite quality control phantom was designed and made through three steps : solid water , bone phantom material and integration , then evaluated the phantom on four different types of DXA machines made by LUNAR company .

方法经过固体水、骨体模材料和整体组合3个研制阶段，制成羟磷灰石质量控制体模1个，并在LUNAR公司生产的4台不同型号DXA仪器上对该体模进行临床测试。

Results The values of the coefficient of variation ( CV ) in cases of DXA , mechanical testing and mineral content are 7.5 % ~ 8.5 % , 10.1 % ~ 17.1 % and 0.8 % , respectively .

结果DXA、力学测试和矿盐含量的变异系数（CV）分别为7.5%~8.5%，10.1%~17.1%和0.8%。

Objective To investigate the effects of the different levels of 131 I and 99 Tc m background in the body on bone mineral density ( BMD ) measurement in dual energy X ray absorptiometry ( DXA ) .

目的探讨体内131I、99Tcm放射性本底对双能X线吸收法（DXA）骨密度（BMD）测定的影响。

Conclusion The DXA measurement of BMDs reveals low CVs , which indicates the satisfactory stability of DXA , while the CVs tend to increase in accordance with the decrease of BMDs .

结论骨密度分析仪测量骨密度变异系数较低，有较好的稳定性，但其变异系数随着骨密度的降低有增加趋势。

The mean molecular weight of 37 mtDNA molecules was measured to be 16,660 × 350 base pairs or ( 10.7 ± 0.22 ) × 105 daltons using the pBR322 DXA as internal standard .

用质粒pBR322DNA作为内部标准，测得37个mtDNA分子的平均分子量为16660±350碱基对或（10.7±0.22）×10~6道尔顿。