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Measurement and data transmission validity of a multi-biosensor system for real-time remote exercise monitoring among cardiac patients

Rawstorn, Jonathan C., Gant, Nicholas, Warren, Ian, Doughty, Robert Neil, Lever, Nigel, Poppe, Katrina K. and Maddison, Ralph 2015, Measurement and data transmission validity of a multi-biosensor system for real-time remote exercise monitoring among cardiac patients, JMIR rehabilitation and assistive technology, vol. 2, no. 1, pp. 1-14, doi: 10.2196/rehab.3633.

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Title Measurement and data transmission validity of a multi-biosensor system for real-time remote exercise monitoring among cardiac patients
Author(s) Rawstorn, Jonathan C.ORCID iD for Rawstorn, Jonathan C. orcid.org/0000-0002-9755-7993
Gant, Nicholas
Warren, Ian
Doughty, Robert Neil
Lever, Nigel
Poppe, Katrina K.
Maddison, RalphORCID iD for Maddison, Ralph orcid.org/0000-0001-8564-5518
Journal name JMIR rehabilitation and assistive technology
Volume number 2
Issue number 1
Start page 1
End page 14
Total pages 14
Publisher JMIR Publications
Place of publication Toronto, Canada
Publication date 2015
Summary Background: Remote telemonitoring holds great potential to augment management of patients with coronary heart disease (CHD) and atrial fibrillation (AF) by enabling regular physiological monitoring during physical activity. Remote physiological monitoring may improve home and community exercise-based cardiac rehabilitation (exCR) programs and could improve assessment of the impact and management of pharmacological interventions for heart rate control in individuals with AF.

Objective: Our aim was to evaluate the measurement validity and data transmission reliability of a remote telemonitoring system comprising a wireless multi-parameter physiological sensor, custom mobile app, and middleware platform, among individuals in sinus rhythm and AF.

Methods: Participants in sinus rhythm and with AF undertook simulated daily activities, low, moderate, and/or high intensity exercise. Remote monitoring system heart rate and respiratory rate were compared to reference measures (12-lead ECG and indirect calorimeter). Wireless data transmission loss was calculated between the sensor, mobile app, and remote Internet server.

Results: Median heart rate (-0.30 to 1.10 b∙min-1) and respiratory rate (-1.25 to 0.39 br∙min-1) measurement biases were small, yet statistically significant (all P≤.003) due to the large number of observations. Measurement reliability was generally excellent (rho=.87-.97, all P<.001; intraclass correlation coefficient [ICC]=.94-.98, all P<.001; coefficient of variation [CV]=2.24-7.94%), although respiratory rate measurement reliability was poor among AF participants (rho=.43, P<.001; ICC=.55, P<.001; CV=16.61%). Data loss was minimal (<5%) when all system components were active; however, instability of the network hosting the remote data capture server resulted in data loss at the remote Internet server during some trials.

Conclusions: System validity was sufficient for remote monitoring of heart and respiratory rates across a range of exercise intensities. Remote exercise monitoring has potential to augment current exCR and heart rate control management approaches by enabling the provision of individually tailored care to individuals outside traditional clinical environments.
Language eng
DOI 10.2196/rehab.3633
Field of Research 110699 Human Movement and Sports Science not elsewhere classified
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2015, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081663

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.