Influence of adipose tissue on near infrared oxygenation monitoring in muscle

Author

Matsushita, Kenichi ; Okada, Eiji

Author_Institution

Dept. of Electr. Eng., Keio Univ., Japan

Volume

4

fYear

1998

fDate

29 Oct-1 Nov 1998

Firstpage

1864

Abstract

The influence of blood content on the sensitivity of a NIR O₂ monitor is investigated. The simulation model is a semi-infinite medium consisting of skin, adipose and muscle layer. The thickness of adipose layer is varied from 0-10 mm and the absorption coefficient of the muscle layer is changed to realize various conditions of blood content and O₂ saturation. The optical density (OD) and the partial optical pathlength in the muscle layer are predicted by Monte Carlo simulation. The changes of HbO₂, deoxyHb, and total Hb are calculated from the predicted OD by reported algorithm for NIR O₂ monitor. The calculated values are affected by the thickness of adipose tissue

Keywords

Monte Carlo methods; bio-optics; infrared spectroscopy; muscle; oximetry; physiological models; 0 to 10 mm; Monte Carlo simulation; NIR oxygenation monitoring; O₂ saturation; absorption coefficient; adipose tissue influence; blood content; human leg model; monitor sensitivity; optical density; oxyhaemoglobin; partial optical pathlength; semi-infinite medium; simulation model; skeletal muscle; tissue thickness; Absorption; Blood; Humans; Infrared surveillance; Leg; Monitoring; Muscles; Optical saturation; Optical sensors; Skin;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1998. Proceedings of the 20th Annual International Conference of the IEEE

Conference_Location

Hong Kong

ISSN

1094-687X

Print_ISBN

0-7803-5164-9

Type

conf

DOI

10.1109/IEMBS.1998.746957

Filename

746957