Speckle contrast optical spectroscopy improves cuffless blood pressure estimation compared to photoplethysmography
Ariane Garrett, Byungchan Kim, Nil Z. Gurel, Edbert Jarvis Sie, Benjamin K. Wilson, Francesco Marsili, John P. Forman, Naomi M. Hamburg, David A. Boas, Darren M. Roblyer
This paper develops a high-speed Speckle Contrast Optical Spectroscopy (SCOS) system for cuffless blood pressure estimation, showing a 31% improvement over photoplethysmography (PPG) in systolic BP estimation with low error.
bioRxiv · Aug 16, 2024 · PreprintBioengineering