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Abstract
Primary objective: To assess the accuracy of the EverOn™ piezoelectric sensor based contactless heart rate and respiration rate monitoring system.
Methods: Measurements of the Everon™ and reference devices were performed in a sleep lab and an intensive care unit (ICU) setting. One minute measurements by both the reference device and the EverOn™ were averaged and compared. Accuracy was defined in accordance with industry criteria.
Results: Respiration rate (RR) accuracy in the 41 children and 16 adults evaluated in the sleep lab was 93.1% and 90.6% respectively, and heart rate (HR) accuracy was 94.4% and 91.5% respectively. For the 42 ICU patients RR accuracy was 82.0% and 75% (versus end-tidal CO2 and manual respectively), while accuracy of HR was 94.0%. The EverOn™ was found to be superior to the impedance technique in measuring RR.
Conclusions: The system described was found to be accurate in accordance with regulatory and industry criteria.
Declaration of interest: J. Ben-Ari and P. Sorkine have served as paid consultants to Earlysense Ltd, but have disengaged their consulting services prior to the writing of this article. E. Zimlichman is still supplying paid consulting services to Earlysense Ltd. The study was sponsored by an industry grant supplied by Earlysense LTD, Ramat Gan, Israel.
