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Cerebral and muscle oxygen saturation measurement by frequency-domain near-infra-red spectrometer

  • Author(s): De Blasi, RA
  • Fantini, S
  • Franceschini, MA
  • Ferrari, M
  • Gratton, E
  • et al.
Abstract

Tissue oxygen saturation quantification was obtained using a frequency-domain multi-source method based on two wavelength light-emitting diodes. Brain saturation was 60·3±1·1% (n=12). Brachioradial muscle saturation declined during forearm ischaemia and maximal voluntary contraction from 73·7±1·8 and 74·7±1·8% at rest to 44·2±3·3 and 61·4±2·9%, respectively. © 1995 IFMBE.

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