A Comparative Study of Physiological Monitoring with a Wearable Opto-Electronic Patch Sensor OEPS for Motion ReductionReportar como inadecuado




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School of Electronic, Electrical and Systems Engineering, Loughborough University, Ashby Road, Loughborough, Leicestershire LE11 3TU, UK





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Academic Editor: Jeff D. Newman

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. View Full-Text

Keywords: Accelerometer; Adaptive filter; Artefact motion; photoplethysmography; real-time physiological monitoring; Opto-Electronic Patch Sensor OEPS; personal healthcare Accelerometer; Adaptive filter; Artefact motion; photoplethysmography; real-time physiological monitoring; Opto-Electronic Patch Sensor OEPS; personal healthcare





Autor: Abdullah Alzahrani, Sijung Hu * and Vicente Azorin-Peris

Fuente: http://mdpi.com/



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