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Proceedings Paper

Enhancement of absorption and resistance of motion utilizing a multi-channel opto-electronic sensor to effectively monitor physiological signs during sport exercise
Author(s): Abdullah Alzahrani; Sijung Hu; Vicente Azorin-Peris; Laura Barrett; Dale Esliger; Matthew Hayes; Shafique Akbare; Jérôme Achart; Sylvain Kuoch
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Paper Abstract

This study presents an effective engineering approach for human vital signs monitoring as increasingly demanded by personal healthcare. The aim of this work is to study how to capture critical physiological parameters efficiently through a well-constructed electronic system and a robust multi-channel opto-electronic patch sensor (OEPS), together with a wireless communication. A unique design comprising multi-wavelength illumination sources and a rapid response photo sensor with a 3-axis accelerometer enables to recover pulsatile features, compensate motion and increase signal-to-noise ratio. An approved protocol with designated tests was implemented at Loughborough University a UK leader in sport and exercise assessment. The results of sport physiological effects were extracted from the datasets of physical movements, i.e. sitting, standing, waking, running and cycling. t-test, Bland-Altman and correlation analysis were applied to evaluate the performance of the OEPS system against Acti-Graph and Mio-Alpha.There was no difference in heart rate measured using OEPS and both Acti-Graph and Mio-Alpha (both p<0.05). Strong correlations were observed between HR measured from the OEPS and both the Acti-graph and Mio-Alpha (r = 0.96, p<0.001). Bland-Altman analysis for the Acti-Graph and OEPS found the bias 0.85 bpm, the standard deviation 9.20 bpm, and the limits of agreement (LOA) -17.18 bpm to +18.88 bpm for lower and upper limits of agreement respectively, for the Mio-Alpha and OEPS the bias is 1.63 bpm, standard deviation SD8.62 bpm, lower and upper limits of agreement, - 15.27 bpm and +18.58 bpm respectively. The OEPS demonstrates a real time, robust and remote monitoring of cardiovascular function.

Paper Details

Date Published: 5 March 2015
PDF: 14 pages
Proc. SPIE 9315, Design and Quality for Biomedical Technologies VIII, 93150O (5 March 2015); doi: 10.1117/12.2076582
Show Author Affiliations
Abdullah Alzahrani, Loughborough Univ. (United Kingdom)
Sijung Hu, Loughborough Univ. (United Kingdom)
Vicente Azorin-Peris, Loughborough Univ. (United Kingdom)
Laura Barrett, Loughborough Univ. (United Kingdom)
Dale Esliger, Loughborough Univ. (United Kingdom)
Matthew Hayes, Cambridge Consultants Ltd. (United Kingdom)
Shafique Akbare, Univ. Paris-Sud 11 (France)
Jérôme Achart, Univ. Paris-Sud 11 (France)
Sylvain Kuoch, Univ. Paris-Sud 11 (France)


Published in SPIE Proceedings Vol. 9315:
Design and Quality for Biomedical Technologies VIII
Ramesh Raghavachari; Rongguang Liang, Editor(s)

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