A Novel Wearable Device for Continuous Ambulatory ECG Recording: Proof of Concept and Assessment of Signal Quality
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2019
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Abstract
Diagnosis of arrhythmic disorders is challenging because of their short-lasting, intermittent character. Conventional technologies of noninvasive ambulatory rhythm monitoring are limited by modest sensitivity. We present a novel form of wearable electrocardiogram (ECG) sensors providing an alternative tool for long-term rhythm monitoring with the potential of increased sensitivity to detect intermittent or subclinical arrhythmia. The objective was to assess the signal quality and R-R coverage of a wearable ECG sensor system compared to a standard 3-lead Holter. In this phase-1 trial, healthy individuals underwent 24-h simultaneous rhythm monitoring using the OMsignal system together with a 3-lead Holter recording. The OMsignal system consists of a garment (bra or shirt) with integrated sensors recording a single-lead ECG and an acquisition module for data storage and processing. Head-to-head signal quality was assessed regarding adequate P-QRS-T distinction and was performed by three electrophysiologists blinded to the recording technology. The accuracy of signal coverage was assessed using Bland-Altman analysis. Fifteen individuals underwent simultaneous 24-h recording. Signal quality and accuracy of the OMgaments was equivalent to Holter-monitoring (84% vs. 93% electrophysiologists rating, p = 0.06). Signal coverage of R-R intervals showed a very close overlay between the OMsignal system and Holter signals, mean difference in heart rate of 2 ± 5 bpm. The noise level of OMgarments was comparable to Holter recording. OMgarments provide high signal quality for adequate rhythm analysis, representing a promising novel technology for long-term non-invasive ECG monitoring.
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steinberg2019biosensorsa
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| Authors | Christian Steinberg;François Philippon;Marina Sanchez;Pascal Fortier-Poisson;Gilles O’Hara;Franck Molin;Jean-François Sarrazin;Isabelle Nault;Louis Blier;Karine Roy;Benoit Plourde;Jean Champagne;Steinberg, Christian;Philippon, François;Sanchez, Marina;Fortier-Poisson, Pascal;O’Hara, Gilles;Molin, Franck;Sarrazin, Jean-François;Nault, Isabelle;Blier, Louis;Roy, Karine;Plourde, Benoit;Champagne, Jean; |
| Journal | Biosensors |
| Year | 2019 |
| DOI |
10.3390/bios9010017
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| URL | |
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