Oxygen Transport to Tissue XIII pp 143-153
Experimentally Measured Optical Pathlengths for the Adult Head, Calf and Forearm and the Head of the Newborn Infant as a Function of Inter Optode Spacing
The technique of near infrared spectroscopy (NIRS) is being increasingly used in clinical measurements of blood and tissue oxygenation (Wyatt et al 1986, Edwards et al 1990). and there are now several commercially produced instruments undergoing clinical testing. Whilst early NIR measurements were solely of a qualitative nature (Brazy et al 1985, 1986, Fox et al 1985. Ferrari et al 1986), techniques have now been developed to quantitate some parameters such as cerebral blood flow (Edwards et al. 1988a), cerebral blood volume (Wyatt et al 1990a) and muscle oxygen consumption (Cheatle et al 1990).
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