利用频响扫描测量宽带超声衰减在骨小梁性能评估中的应用

Wei Lin, C. Rubin, Yi-Xian Qin
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引用次数: 0

摘要

骨质疏松症的特点是由于骨特性的恶化而导致的非创伤性骨折。虽然骨量的流失是骨质疏松症的关键因素,但骨材料强度和骨小梁结构对整个骨强度的贡献也很重要。超声波本质上是机械的,它有可能评估骨密度及其机械刚度。超声衰减是用于评估骨特性的超声参数之一。研究表明,超声衰减与骨密度有关[1,2],也与骨小梁强度有关[3,4]。因此,超声衰减具有揭示骨特性的潜力。本研究的目的是开发一种频率扫描方法,可以更好地提取骨数量和骨质量的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Measurment of Broadband Ultrasound Attenuation Using Tone Burst Frequency Scanning in Trabecular Bone Property Assessment
Osteoporosis is characterized by the non-traumatic fracture due to the deterioration of bone properties. Although there is a consensus that the loss of bone mass is the key factor to osteoporosis, the bone material strength and trabecular architecture are also important in the contribution to the whole bone strength. Ultrasound is mechanical in nature and it has the potential to assess the bone density as well as its mechanical stiffness. Ultrasound attenuation is one of the ultrasound parameters used to assess bone properties. Studies have shown that ultrasound attenuation is dependent on bone density [1,2] and is also indicative to the strength of trabecular bone [3,4]. Therefore, ultrasound attenuation has the potential to reveal bone properties. The objective of this study is to develop a frequency scanning method that can better extract the information of not only the bone quantity but also the bone quality.
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