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Evaluation of printed P(VDF-TrFE) pressure sensor signal quality in arterial pulse wave measurement

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Evaluation of printed P(VDF-TrFE) pressure sensor signal quality in arterial pulse wave measurement. / Laurila, Mika-Matti; Peltokangas, Mikko; Lozano Montero, Karem; Siponkoski, Tuomo; Juuti, Jari; Tuukkanen, Sampo; Oksala, Niku; Vehkaoja, Antti; Mäntysalo, Matti.

In: IEEE Sensors Journal, 15.08.2019.

Research output: Contribution to journalArticleScientificpeer-review

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@article{fe99d986cbc04665bb90c4d3a59fa4a9,
title = "Evaluation of printed P(VDF-TrFE) pressure sensor signal quality in arterial pulse wave measurement",
abstract = "In this contribution, we evaluate the performance of an additively fabricated piezoelectric poly(vinylidenefluoride-cotrifluoroethylene) (P(VDF-TrFE)) based dynamic pressure sensor in non-invasive arterial pulse wave (PW) measurement. Additively fabricated piezoelectric sensors have high potential for the realization of affordable and unobtrusive PW measurement systems which could enable the long-term monitoring of patients with cardiovascular diseases (CVDs). However, the accuracy and reliability of such sensors have not been extensively studied before. We propose an additive fabrication process for a P(VDF-TrFE) PW-sensor, measure PW from the radial artery at the wrist from 22 healthy volunteer subjects, calculate clinically relevant parameters based on the PW waveform and compare their values to the values obtained from concurrent measurement with an electromechanical film (EMFi) based reference sensor, used earlier in several clinical studies. We show that the signals recorded with the two sensors, as well as the radial augmentation index (rAIx) and the stiffness index (SI) calculated from them, are in good agreement with each other. These results demonstrate that the additively fabricated P(VDF-TrFE) PW sensors can reach a suitable level of accuracy and reliability for clinical use.",
keywords = "Dynamic pressure sensor, Piezoelectric sensor, Printed sensor, Pulse wave measurement, CVD, Pulse wave analysis",
author = "Mika-Matti Laurila and Mikko Peltokangas and {Lozano Montero}, Karem and Tuomo Siponkoski and Jari Juuti and Sampo Tuukkanen and Niku Oksala and Antti Vehkaoja and Matti M{\"a}ntysalo",
note = "INT=elen,{"}Lozano Montero, Karem{"}",
year = "2019",
month = "8",
day = "15",
doi = "10.1109/JSEN.2019.2934943",
language = "English",
journal = "IEEE Sensors Journal",
issn = "1530-437X",
publisher = "IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC",

}

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TY - JOUR

T1 - Evaluation of printed P(VDF-TrFE) pressure sensor signal quality in arterial pulse wave measurement

AU - Laurila, Mika-Matti

AU - Peltokangas, Mikko

AU - Lozano Montero, Karem

AU - Siponkoski, Tuomo

AU - Juuti, Jari

AU - Tuukkanen, Sampo

AU - Oksala, Niku

AU - Vehkaoja, Antti

AU - Mäntysalo, Matti

N1 - INT=elen,"Lozano Montero, Karem"

PY - 2019/8/15

Y1 - 2019/8/15

N2 - In this contribution, we evaluate the performance of an additively fabricated piezoelectric poly(vinylidenefluoride-cotrifluoroethylene) (P(VDF-TrFE)) based dynamic pressure sensor in non-invasive arterial pulse wave (PW) measurement. Additively fabricated piezoelectric sensors have high potential for the realization of affordable and unobtrusive PW measurement systems which could enable the long-term monitoring of patients with cardiovascular diseases (CVDs). However, the accuracy and reliability of such sensors have not been extensively studied before. We propose an additive fabrication process for a P(VDF-TrFE) PW-sensor, measure PW from the radial artery at the wrist from 22 healthy volunteer subjects, calculate clinically relevant parameters based on the PW waveform and compare their values to the values obtained from concurrent measurement with an electromechanical film (EMFi) based reference sensor, used earlier in several clinical studies. We show that the signals recorded with the two sensors, as well as the radial augmentation index (rAIx) and the stiffness index (SI) calculated from them, are in good agreement with each other. These results demonstrate that the additively fabricated P(VDF-TrFE) PW sensors can reach a suitable level of accuracy and reliability for clinical use.

AB - In this contribution, we evaluate the performance of an additively fabricated piezoelectric poly(vinylidenefluoride-cotrifluoroethylene) (P(VDF-TrFE)) based dynamic pressure sensor in non-invasive arterial pulse wave (PW) measurement. Additively fabricated piezoelectric sensors have high potential for the realization of affordable and unobtrusive PW measurement systems which could enable the long-term monitoring of patients with cardiovascular diseases (CVDs). However, the accuracy and reliability of such sensors have not been extensively studied before. We propose an additive fabrication process for a P(VDF-TrFE) PW-sensor, measure PW from the radial artery at the wrist from 22 healthy volunteer subjects, calculate clinically relevant parameters based on the PW waveform and compare their values to the values obtained from concurrent measurement with an electromechanical film (EMFi) based reference sensor, used earlier in several clinical studies. We show that the signals recorded with the two sensors, as well as the radial augmentation index (rAIx) and the stiffness index (SI) calculated from them, are in good agreement with each other. These results demonstrate that the additively fabricated P(VDF-TrFE) PW sensors can reach a suitable level of accuracy and reliability for clinical use.

KW - Dynamic pressure sensor

KW - Piezoelectric sensor

KW - Printed sensor

KW - Pulse wave measurement

KW - CVD

KW - Pulse wave analysis

U2 - 10.1109/JSEN.2019.2934943

DO - 10.1109/JSEN.2019.2934943

M3 - Article

JO - IEEE Sensors Journal

JF - IEEE Sensors Journal

SN - 1530-437X

ER -