Preliminary investigation of non-invasive blood pressure estimation using speckle contrast optical spectroscopy

Ariane Garrett; Byungchan Kim; Nil Z. Gurel; Francesco Marsili; Edbert Sie; David Boas; Darren Roblyer

doi:10.1117/12.3001817

13 March 2024 Preliminary investigation of non-invasive blood pressure estimation using speckle contrast optical spectroscopy

Ariane Garrett, Byungchan Kim, Nil Z. Gurel, Francesco Marsili, Edbert Sie, David Boas, Darren Roblyer

Author Affiliations +

Proceedings Volume PC12850, Optical Diagnostics and Sensing XXIV: Toward Point-of-Care Diagnostics; PC128500B (2024) https://doi.org/10.1117/12.3001817
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

Speckle contrast optical spectroscopy (SCOS) allows for simultaneous monitoring of blood flow and volume changes within each cardiac pulse. SCOS measurements were collected from 10 subjects at two time points and the blood flow and volume pulse waveforms (PWFs) were extracted. The eXtreme Gradient Boosting model was trained on an individual subject’s first measurement and predicted BP for that subject’s second measurement. A model trained on features extracted from both flow and volume PWFs was compared to a model trained only on features extracted from blood volume PWFs. With the addition of blood flow information, BP estimation was significantly improved.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ariane Garrett, Byungchan Kim, Nil Z. Gurel, Francesco Marsili, Edbert Sie, David Boas, and Darren Roblyer "Preliminary investigation of non-invasive blood pressure estimation using speckle contrast optical spectroscopy", Proc. SPIE PC12850, Optical Diagnostics and Sensing XXIV: Toward Point-of-Care Diagnostics, PC128500B (13 March 2024); https://doi.org/10.1117/12.3001817

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KEYWORDS

Speckle

Blood pressure

Optical spectroscopy

Blood circulation

Education and training

Blood

Error analysis

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