Theoretical considerations to optimize transabdominal monitoring of fetal arterial blood oxygenation using pulse oximetry

Anna Zourabian; David A. Boas

doi:10.1117/12.434473

29 June 2001 Theoretical considerations to optimize transabdominal monitoring of fetal arterial blood oxygenation using pulse oximetry

Anna Zourabian, David A. Boas

Author Affiliations +

Proceedings Volume 4250, Optical Tomography and Spectroscopy of Tissue IV; (2001) https://doi.org/10.1117/12.434473
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States

Abstract

Pulse oximetry (oxygen saturation monitoring) has markedly improved medical care in many fields, including anesthesiology, intensive care, and newborn intensive care. In obstetrics, fetal heart rate monitoring remains the standard for intrapartum assessment of fetal well being. Fetal oxygen saturation monitoring is a new technique currently under development. It is potentially superior to electronic fetal heart rate monitoring (cardiotocography) because it allows direct assessment of both fetal oxygen status and fetal tissue perfusion. Here we present the analysis for determining the most optimal wavelength selection for pulse oximetry. The wavelengths we chose as the most optimal are: the first in the range of 670-720nm and the second in the range of 825-925nm. Further we discuss the possible systematic errors during our measurements, and their contribution to the obtained saturation results.

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Anna Zourabian and David A. Boas "Theoretical considerations to optimize transabdominal monitoring of fetal arterial blood oxygenation using pulse oximetry", Proc. SPIE 4250, Optical Tomography and Spectroscopy of Tissue IV, (29 June 2001); https://doi.org/10.1117/12.434473

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