Developing focal construct technology for in vivo diagnosis of osteoporosis

Developing focal construct technology for in vivo diagnosis of osteoporosis
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开发用于骨质疏松症体内诊断的焦点构建技术

DOI:
10.1088/1742-6596/1151/1/012020
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发表时间:
2019
期刊:
Conference Series
影响因子:
--
通讯作者:
Greenwood C
Greenwood C
中科院分区:
--
文献类型:
--
作者:
Greenwood C

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骨质疏松症是一种在世界各地流行的骨骼疾病,其特征是骨密度低,骨折风险增加。目前,识别骨质疏松症和增加骨折风险的金标准是通过使用双能X射线吸收(DEXA)来量化骨密度(BMD)。然而,使用骨密度来诊断骨质疏松并不是没有限度的,骨质疏松性骨折的风险应该由矿物复合材料构建块的骨量、结构和物理化学共同决定。我们之前的研究并不完全依赖于骨骼的“质量”,而是研究了使用“骨骼质量”来预测骨折的风险。这项工作强调了OP组织的材料特性与“正常”骨的材料特性显著不同,并首次报道了新的生物标记物(从X射线散射特征获得)在预测骨折风险方面的临床价值。因此,为了改进骨折预测模型,需要开发不仅测量骨密度而且还测量骨质量的诊断工具。
Osteoporosis is a prevalent bone disease around the world, characterised by low bone mineral density and increased fracture risk. Currently, the gold standard for identifying osteoporosis and increased fracture risk is through quantification of bone mineral density (BMD), using dual energy X-ray absorption (DEXA). However, the use of BMD to diagnose osteoporosis is not without limitation and arguably the risk of osteoporotic fracture should be determined collectively by bone mass, architecture and physicochemistry of the mineral composite building blocks. Rather than depending exclusively on the'mass' of bone, our previous research investigated predicting the risk of fracture using'bone quality'. The work highlighted that the material properties of OP tissue differ significantly to that of'normal'bone and for the first time reported the clinical value of new biomarkers (obtained from X-ray scatter signatures) for fracture risk prediction. Thus, in order to improve fracture prediction models, diagnostic tools need to be developed which not only measure bone mineral density, but also bone quality.
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