Measurement of Acoustic Property Distributions of Diseased Heart and Liver Tissues.

Measurement of Acoustic Property Distributions of Diseased Heart and Liver Tissues.
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患病心脏和肝脏组织的声学特性分布的测量。

DOI：
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发表时间：
2001
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通讯作者：
Hiromi Ando
Hiromi Ando
中科院分区：
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文献类型：
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作者：
H. Shigemoto;T. Sugimoto;H. Hachiya;M. Ebara;H. Fukuda;Kazuki Kato;Hiromi Ando

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生物组织的声学特性是定量评价生物组织结构的重要参数。确定组织结构的物理和化学变化与声学特性变化之间的关系是非常重要的。本文采用一种新的高密度测点系统，给出了25MHz时人体心脏和肝脏组织的声速与衰减的关系图。为了比较正常组织和病变组织，我们研究了声速和组织衰减之间的关系。组织的特征性关系被发现在胆汁淤积的肝脏和主动脉瓣反流组织中。
Acoustic properties of living tissues are an important parameter for quantitative estimation of the tissue structure. It is very important to determine the relationship between the physical and the chemical change of tissue structure and the change of acoustic properties. In this paper, using a new system with high density measuring points, we present the relationship diagram between the speed of sound and attenuation of human heart and liver tissues at 25 MHz. To compare normal and diseased tissues, we investigate the relationship between the sound speed and the attenuation of tissue. A characteristic relationship of the tissue is found in cirrhotic liver and aortic regurgitation tissue.