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Title: A comparative study of physiological monitoring with a wearable opto-electronic patch sensor (OEPS) for motion reduction
Authors: Alzahrani, Abdullah
Hu, Sijung
Azorin-Peris, Vicente
Keywords: Accelerometer
Adaptive filter
Artefact motion
Photoplethysmography
Real-time physiological monitoring
Opto-Electronic Patch Sensor (OEPS)
Personal healthcare
Issue Date: 2015
Publisher: MDPI
Citation: ALZAHRANI, A., HU, S. and AZORIN-PERIS, V., 2015. A comparative study of physiological monitoring with a wearable opto-electronic patch sensor (OEPS) for motion reduction. Biosensors, 5 (2), pp. 288 - 307.
Abstract: This paper presents a comparative study in physiological monitoring between a wearable opto-electronic patch sensor (OEPS) comprising a three-axis Microelectromechanical systems (MEMs) accelerometer (3MA) and commercial devices. The study aims to effectively capture critical physiological parameters, for instance, oxygen saturation, heart rate, respiration rate and heart rate variability, as extracted from the pulsatile waveforms captured by OEPS against motion artefacts when using the commercial probe. The protocol involved 16 healthy subjects and was designed to test the features of OEPS, with emphasis on the effective reduction of motion artefacts through the utilization of a 3MA as a movement reference. The results show significant agreement between the heart rates from the reference measurements and the recovered signals. Significance of standard deviation and error of mean yield values of 2.27 and 0.65 beats per minute, respectively; and a high correlation (0.97) between the results of the commercial sensor and OEPS. T, Wilcoxon and Bland-Altman with 95% limit of agreement tests were also applied in the comparison of heart rates extracted from these sensors, yielding a mean difference (MD: 0.08). The outcome of the present work incites the prospects of OEPS on physiological monitoring during physical activities.
Description: This is an open access article published by MDPI and distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Version: Published
DOI: 10.3390/bios5020288
URI: https://dspace.lboro.ac.uk/2134/19457
Publisher Link: http://dx.doi.org/10.3390/bios5020288
ISSN: 0265-928X
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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