Smart watches for heart rate assessment in atrial arrhythmias

Koshy, Anoop N, Sajeev, Jithin K, Nerlekar, Nitesh, Brown, Adam J, Rajakariar, Kevin, Zureik, Mark, Wong, Michael C, Roberts, Louise, Street, Maryann, Cooke, Jennifer and Teh, Andrew W 2018, Smart watches for heart rate assessment in atrial arrhythmias, International journal of cardiology, vol. 266, pp. 124-127, doi: 10.1016/j.ijcard.2018.02.073.

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Title Smart watches for heart rate assessment in atrial arrhythmias
Author(s) Koshy, Anoop N
Sajeev, Jithin K
Nerlekar, Nitesh
Brown, Adam J
Rajakariar, Kevin
Zureik, Mark
Wong, Michael C
Roberts, Louise
Street, MaryannORCID iD for Street, Maryann orcid.org/0000-0002-5615-141X
Cooke, Jennifer
Teh, Andrew W
Journal name International journal of cardiology
Volume number 266
Start page 124
End page 127
Total pages 4
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2018-09-01
ISSN 0167-5273
1874-1754
Keyword(s) smart watch
arrhythmias
atrial fibrillation
heart rate
accuracy
science & technology
life sciences & biomedicine
cardiac & cardiovascular systems
cardiovascular system & cardiology
Summary BACKGROUND: Despite studies demonstrating the accuracy of smart watches (SW) and wearable heart rate (HR) monitors in sinus rhythm, no data exists regarding their utility in arrhythmias. METHODS: 102 hospitalized patients were evaluated at rest using continuous electrocardiogram (ECG) monitoring with concomitant SW-HR (FitBit, FB, Apple Watch, AW) for 30 min. RESULTS: Across all devices, 38,616 HR values were recorded. Sinus rhythm cohort demonstrated strong agreement for both devices with a low bias (FB & AW Bias = 1 beat). In atrial arrhythmias, AW demonstrated a stronger correlation than FB (AW rs = 0.83, FB rs = 0.56, both p < 0.01) with a lower bias (Bias AW = -5 beats, FB = -18 beats). Atrial flutter demonstrated strongest agreement in both devices with a mean bias <1 beat. However, in AF, there was significant HR underestimation (Bias FB = -28 beats, AW-8 beats) with wide limits of agreement. Despite HR underestimation in AF, when SW recorded HR ≥ 100 in arrhythmias, 98% of values were within ±10-beats of ECG-HR. CONCLUSIONS: SW demonstrate strong agreement for HR estimation in sinus rhythm and atrial flutter but underestimates HR in AF. Tachycardic episodes recorded at rest on a SW may be suggestive of an underlying atrial tachyarrhythmia and warrant further clinical evaluation. CLINICAL TRIAL REGISTRATION: Australian New Zealand Clinical Trials Registry (www.anzctr.org.au) ACTRN: 12616001374459.
Language eng
DOI 10.1016/j.ijcard.2018.02.073
Field of Research 1102 Cardiovascular Medicine And Haematology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2018, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30110224

Document type: Journal Article
Collections: Faculty of Health
Centre for Quality and Patient Safety Research
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