Transcranial cerebral oximetry--is it clinically useless at this moment to interpret absolute values obtained by the INVOS 3100 cerebral oximeter?

Biomedizinische Technik. Biomedical Engineering
G Litscher, G Schwarz

Abstract

Dynamic changes of regional cerebral oxygenation (rSO2) were measured simultaneously to laser Doppler flowmetry in a 35-year-old female during cerebral aneurysm surgery. In addition, to demonstrate the uselessness of the absolute values obtained by the INVOS 3100, cerebral oximeter readings from a pumpkin ("Styrian Cucurbita") are demonstrated. The results of the present study and of other reports discussed in this paper demonstrate that the INVOS 3100 cerebral oximeter should not be used at this moment as a measure reflecting absolute rSO2 values. However, it seems to be relevant that the INVOS 3100 system can monitor the dynamic changes in rSO2, although limitations have to be taken into consideration.

References

Dec 1, 1995·Anaesthesia·L A DuncanJ A Wildsmith
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Citations

Feb 23, 2012·Journal of Biomedical Optics·Michal KacprzakRoman Maniewski
Feb 27, 2004·Anaesthesia·T J Papadimos, A P Marco
Jun 6, 2006·Journal of Cardiothoracic and Vascular Anesthesia·Laurie K Davies, Gregory M Janelle
Jul 19, 2018·European Journal of Anaesthesiology·Ronald A Kahn, Anelechi Anyanwu
Jan 6, 2005·The Neurologist·Michael A De Georgia, Anupa Deogaonkar
Apr 5, 2019·European Journal of Anaesthesiology·Nousjka P A Vranken, Patrick W Weerwind
Jun 26, 1998·Journal of Clinical Laser Medicine & Surgery
Sep 7, 2000·Biomedizinische Technik. Biomedical Engineering·G Litscher, L Wang
May 3, 2019·European Journal of Anaesthesiology·Placido M Argüelles-Delgado, Martin Dworschak

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