Why the study?
Cuffless blood pressure measurement via multi-wavelength photoplethysmography faces challenges in decoding compounded signals containing heterogeneous physiological information and motion artifacts.
Does a PCA-based multi-wavelength photoplethysmography algorithm provide accurate cuffless blood pressure measurements compared to standard auscultatory measurement in elderly subjects?
Does a PCA-based multi-wavelength photoplethysmography algorithm provide accurate cuffless blood pressure measurements compared to standard auscultatory measurement in elderly subjects?
A novel PCA-based multi-wavelength photoplethysmography algorithm demonstrates potential for accurate cuffless blood pressure monitoring in wearable devices for elderly patients.
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Supports cuffless BP wearables in elderly; leaves open prospective validation against auscultatory standards.
Liu et al. (2020) studied this question.
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