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Influence of blood pulsation on diagnostic volume in pulse oximetry and photoplethysmography measurements

Dremin, Viktor; Zherebtsov, Evgeny; Bykov, Alexander; Popov, Alexey; Doronin, Alexander; Meglinski, Igor (2019-12-01)

 
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https://doi.org/10.1364/AO.58.009398

Dremin, Viktor
Zherebtsov, Evgeny
Bykov, Alexander
Popov, Alexey
Doronin, Alexander
Meglinski, Igor
Optical Society
01.12.2019

Viktor Dremin, Evgeny Zherebtsov, Alexander Bykov, Alexey Popov, Alexander Doronin, and Igor Meglinski, "Influence of blood pulsation on diagnostic volume in pulse oximetry and photoplethysmography measurements," Appl. Opt. 58, 9398-9405 (2019)

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© 2019 Optical Society of America. sers may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
https://rightsstatements.org/vocab/InC/1.0/
doi:https://doi.org/10.1364/AO.58.009398
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https://urn.fi/URN:NBN:fi-fe202003037017
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Abstract

Recent advances in the development of ultra-compact semiconductor lasers and technology of printed flexible hybrid electronics have opened broad perspectives for the design of new pulse oximetry and photoplethysmography devices. Conceptual design of optical diagnostic devices requires careful selection of various technical parameters, including spectral range; polarization and intensity of incident light; actual size, geometry, and sensitivity of the detector; and mutual position of the source and detector on the surface of skin. In the current study utilizing a unified Monte Carlo computational tool, we explore the variations in diagnostic volume due to arterial blood pulsation for typical transmitted and back-scattered probing configurations in a human finger. The results of computational studies show that the variations in diagnostic volumes due to arterial pulse wave are notably (up to 45%) different in visible and near-infrared spectral ranges in both transmitted and back-scattered probing geometries. While these variations are acceptable for relative measurements in pulse oximetry and/or photoplethysmography, for absolute measurements, an alignment normalization of diagnostic volume is required and can be done by a computational approach utilized in the framework of the current study.

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