Correlation of arterial blood pressure to synchronous piezo, impedance and photoplethysmographic signal features: Investigating pulse wave features and transit times

Correlation of arterial blood pressure to synchronous piezo, impedance and photoplethysmographic signal features: Investigating pulse wave features and transit times

In this paper we investigate which pulse wave pick-up technologies are well suited for blood pressure trend estimation. We use custom built hardware to acquire electrocardiographic, applanation-tonometric, photo- and impedance-plethysmographic signals during low intensity workouts. Beat-to-beat feat...

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Veröffentlicht in:Current directions in biomedical engineering 2017-09, Vol.3 (2), p.749-753
Hauptverfasser: Pielmuş, Alexandru-Gabriel, Osterland, Dennis, Klum, Michael, Tigges, Timo, Feldheiser, Aarne, Hunsicker, Oliver, Orglmeister, Reinhold
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container_issue 2
container_start_page 749
container_title Current directions in biomedical engineering
container_volume 3
creator Pielmuş, Alexandru-Gabriel
Osterland, Dennis
Klum, Michael
Tigges, Timo
Feldheiser, Aarne
Hunsicker, Oliver
Orglmeister, Reinhold
description In this paper we investigate which pulse wave pick-up technologies are well suited for blood pressure trend estimation. We use custom built hardware to acquire electrocardiographic, applanation-tonometric, photo- and impedance-plethysmographic signals during low intensity workouts. Beat-to-beat features and pulse wave runtimes are correlated to the reference arterial blood pressure. Temporal lag adjustment is performed to determine the latency of feature response. Best results are obtained for systolic arterial blood pressure. These suggest that every subject has a range of well-performing features, but it is not consistent among all. Spearman Rho values reach in excess of 0.8, with their significance being validated by p-values lower than 0.01.
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title Correlation of arterial blood pressure to synchronous piezo, impedance and photoplethysmographic signal features: Investigating pulse wave features and transit times
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