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Sensors
Volume 24
Issue 13
10.3390/s24134139
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Open AccessArticle
by Spyridon Kontaxis SciProfiles Scilit Preprints.org Google Scholar Foivos Kanellos SciProfiles Scilit Preprints.org Google Scholar Adamantios Ntanis SciProfiles Scilit Preprints.org Google Scholar Nicholas Kostikis SciProfiles Scilit Preprints.org Google Scholar Spyridon Konitsiotis SciProfiles Scilit Preprints.org Google Scholar George Rigas SciProfiles Scilit Preprints.org Google Scholar 
Spyridon Kontaxis
, Foivos KanellosAdamantios Ntanis, Nicholas KostikisSpyridon KonitsiotisGeorge Rigas
1
PD Neurotechnology Ltd., 45500 Ioannina, Greece
2
Department of Physiology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
3
University Hospital of Ioannina and Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
*
Author to whom correspondence should be addressed.
Sensors 2024, 24(13), 4139; https://doi.org/10.3390/s24134139
Submission received: 26 April 2024 / Revised: 17 June 2024 / Accepted: 22 June 2024 / Published: 26 June 2024
(This article belongs to the Section Physical Sensors)
Abstract
This study explores the feasibility of a wearable system to monitor vital signs during sleep. The system incorporates five inertial measurement units (IMUs) located on the waist, the arms, and the legs. To evaluate the performance of a novel framework, twenty-three participants underwent a sleep study, and vital signs, including respiratory rate (RR) and heart rate (HR), were monitored via polysomnography (PSG). The dataset comprises individuals with varying severity of sleep-disordered breathing (SDB). Using a single IMU sensor positioned at the waist, strong correlations of more than 0.95 with the PSG-derived vital signs were obtained. Low inter-participant mean absolute errors of about 0.66 breaths/min and 1.32 beats/min were achieved, for RR and HR, respectively. The percentage of data available for analysis, representing the time coverage, was 98.3% for RR estimation and 78.3% for HR estimation. Nevertheless, the fusion of data from IMUs positioned at the arms and legs enhanced the inter-participant time coverage of HR estimation by over 15%. These findings imply that the proposed methodology can be used for vital sign monitoring during sleep, paving the way for a comprehensive understanding of sleep quality in individuals with SDB.
Keywords: respiratory rate; heart rate; sleep disorders; polysomnography; seismocardiography; gyrocardiography
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MDPI and ACS Style
Kontaxis, S.; Kanellos, F.; Ntanis, A.; Kostikis, N.; Konitsiotis, S.; Rigas, G. An Inertial-Based Wearable System for Monitoring Vital Signs during Sleep. Sensors 2024, 24, 4139. https://doi.org/10.3390/s24134139
AMA Style
Kontaxis S, Kanellos F, Ntanis A, Kostikis N, Konitsiotis S, Rigas G. An Inertial-Based Wearable System for Monitoring Vital Signs during Sleep. Sensors. 2024; 24(13):4139. https://doi.org/10.3390/s24134139
Chicago/Turabian Style
Kontaxis, Spyridon, Foivos Kanellos, Adamantios Ntanis, Nicholas Kostikis, Spyridon Konitsiotis, and George Rigas. 2024. "An Inertial-Based Wearable System for Monitoring Vital Signs during Sleep" Sensors 24, no. 13: 4139. https://doi.org/10.3390/s24134139
Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.
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MDPI and ACS Style
Kontaxis, S.; Kanellos, F.; Ntanis, A.; Kostikis, N.; Konitsiotis, S.; Rigas, G. An Inertial-Based Wearable System for Monitoring Vital Signs during Sleep. Sensors 2024, 24, 4139. https://doi.org/10.3390/s24134139
AMA Style
Kontaxis S, Kanellos F, Ntanis A, Kostikis N, Konitsiotis S, Rigas G. An Inertial-Based Wearable System for Monitoring Vital Signs during Sleep. Sensors. 2024; 24(13):4139. https://doi.org/10.3390/s24134139
Chicago/Turabian Style
Kontaxis, Spyridon, Foivos Kanellos, Adamantios Ntanis, Nicholas Kostikis, Spyridon Konitsiotis, and George Rigas. 2024. "An Inertial-Based Wearable System for Monitoring Vital Signs during Sleep" Sensors 24, no. 13: 4139. https://doi.org/10.3390/s24134139
Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.
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