Original ArticleIn Vivo Intrarater and Interrater Precision of Measuring Apparent Bone Mineral Density in Vertebral Subregions Using Supine Lateral Dual-Energy X-Ray Absorptiometry
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Cited by (11)
Uniaxial compressive properties of human lumbar 1 vertebrae loaded beyond compaction and their relationship to cortical and cancellous microstructure, size and density properties
2022, Journal of the Mechanical Behavior of Biomedical MaterialsCitation Excerpt :The correlations of εr with iBMD.SD and shBMD.SD were slightly larger than with average BMDs, and the correlation with vBMD.SD was smaller and nonsignificant, suggesting that the heterogeneity of shell density is important in percent residual height, i.e., in radiographic presentation of a vertebral deformity. With potential utility, validation and precision studies have been performed for regional DXA measurements (Briggs et al., 2005, 2012). Although we found correlations between mechanical properties and DXA derived regional BMDs, we did not find evidence that any single regional BMD is more strongly associated with strength or other properties.
Failure strength of human vertebrae: Prediction using bone mineral density measured by DXA and bone volume by micro-CT
2012, BoneCitation Excerpt :In circumstances where the automated process of bone map creation failed to detect bone tissue adequately, the map was completed manually. Measurement of lateral BMD and BMC using this protocol has been performed previously, both in vivo [38] and ex vivo [37] with good precision established. An earlier study established short-term intra-rater precision for this method by scanning 6 cadaver spines twice, one week apart, with an ICC (95% CI) of 0.98 (0.90–1.00) and 0.99 (0.95–1.00) at L2 and L3 [45], respectively.
Novel Assessment of Subregional Bone Mineral Density Using DXA and pQCT and Subregional Microarchitecture Using Micro-CT in Whole Human Vertebrae: Applications, Methods, and Correspondence Between Technologies
2010, Journal of Clinical DensitometryCitation Excerpt :It follows therefore, that the distribution of intravertebral BMD may be a defining characteristic between individuals with and without osteoporotic vertebral fractures. We developed a method to measure subregional vertebral BMD using lateral-projection DXA scans, acquired using a Hologic QDR4500A densitometer (23). Our pilot data demonstrate that measurement of areal BMD within vertebral subregions using lateral-projection DXA can better differentiate between individuals with and without osteoporotic vertebral fractures compared with standard AP-projection vertebral DXA parameters (24).
Application of sub-regional analysis to bone mineral density of the lower limb from whole body DXA scans
2013, Physiological Measurement