Influence of adipose tissue on muscle oxygenation measurement with NIRS instrument

被引：42

作者：

Matsushita, K ^{[1
]}

Homma, S ^{[1
]}

Okada, E ^{[1
]}

机构：

[1] Keio Univ, Dept Elect Engn, Tokyo 108, Japan

来源：

PHOTON PROPAGATION IN TISSUES III, PROCEEDINGS OF | 1998年 / 3194卷

关键词：

Near-infrared O-2; monitor; adipose tissue; skeletal muscle; optical path length; spatial sensitivity profile; oxygenation monitoring;

D O I：

10.1117/12.301048

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The influence of the subcutaneous adipose tissue on near infra-red light propagation in leg muscle and on the sensitivity of MR O-2 monitor is investigated. The simulation model is half infinite medium consisting of skin, adipose and muscle layer. The optical properties of each layer are chosen from the reported data and the absorption coefficient of muscle is rectified by using experimental results. The thickness of adipose layer is varied from 0 - 15mm and the partial optical pathlength in the muscle layer and the spatial sensitivity profile are predicted by Monte Carlo simulation. The spatial sensitivity profile tends to distribute in the adipose layer and the detected light only grazes the muscle layer. These results suggest that the sensitivity in oxygenation of muscle tissue is impaired by influence of the adipose tissue and NIR O-2 monitor mainly detects the oxygenation change in shallow region of the muscle layer.

引用

页码：159 / 165

页数：7