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Current Directions in Biomedical Engineering

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Buzug, Thorsten M. / Haueisen, Jens / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Kraft, Marc / Lenarz, Thomas / Leonhardt, Steffen / Malberg, Hagen / Penzel, Thomas / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Urban, Gerald A.

CiteScore 2018: 0.47

Source Normalized Impact per Paper (SNIP) 2018: 0.377

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Correlation of arterial blood pressure to synchronous piezo, impedance and photoplethysmographic signal features

Investigating pulse wave features and transit times

Alexandru-Gabriel Pielmuş / Dennis Osterland / Michael Klum / Timo Tigges / Aarne Feldheiser / Oliver Hunsicker / Reinhold Orglmeister
Published Online: 2017-09-07 | DOI: https://doi.org/10.1515/cdbme-2017-0158


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.

Keywords: arterial blood pressure trend; correlation; features; pulse transit time; pulse arrival time; photoplethysmography; vascular impedance; peripheral applanation; non-invasive; continuous; wavelet

About the article

Published Online: 2017-09-07

Citation Information: Current Directions in Biomedical Engineering, Volume 3, Issue 2, Pages 749–753, ISSN (Online) 2364-5504, DOI: https://doi.org/10.1515/cdbme-2017-0158.

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©2017 Alexandru-Gabriel Pielmuş et al., published by De Gruyter. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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