Accuracy of a Smartwatch to Assess Heart Rate Monitoring and Atrial Fibrillation in Stroke Patients

被引:3
作者
Meza, Claudia [1 ,2 ,3 ]
Juega, Jesus [1 ,2 ,3 ]
Francisco, Jaume [2 ,4 ]
Santos, Alba [2 ,4 ]
Duran, Laura [4 ]
Rodriguez, Maite [1 ,2 ]
Alvarez-Sabin, Jose [1 ]
Sero, Laia [5 ]
Ustrell, Xavier [5 ]
Bashir, Saima [6 ,7 ]
Serena, Joaquin [6 ,7 ]
Silva, Yolanda [6 ,7 ]
Molina, Carlos [1 ,2 ]
Pagola, Jorge [1 ,2 ,3 ]
机构
[1] Hosp Univ Vall dHebron, Dept Neurol, Stroke Unit, Barcelona 08035, Spain
[2] Vall dHebron Inst Recerca VHIR, Barcelona 08035, Spain
[3] Univ Autonoma Barcelona, Hosp Vall dHebron, Fac Med, Dept Med, Barcelona 08193, Spain
[4] Hosp Univ Vall dHebron, Dept Cardiol, Arrhythmia Unit, Barcelona 08035, Spain
[5] Hosp Univ Joan XXIII, Dept Neurol, Tarragona 43005, Spain
[6] Girona Biomed Res Inst IDIBGI, Cerebrovascular Pathol Res Grp, Girona 17790, Spain
[7] Hosp Univ Girona Dr JosepTrueta, Dept Neurol, Girona 17007, Spain
关键词
atrial fibrillation; stroke; wearable; smartwatch; screening; accuracy; WEARABLE DEVICES;
D O I
10.3390/s23104632
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
(1) Background: Consumer smartwatches may be a helpful tool to screen for atrial fibrillation (AF). However, validation studies on older stroke patients remain scarce. The aim of this pilot study from RCT NCT05565781 was to validate the resting heart rate (HR) measurement and the irregular rhythm notification (IRN) feature in stroke patients in sinus rhythm (SR) and AF. (2) Methods: Resting clinical HR measurements (every 5 min) were assessed using continuous bedside ECG monitoring (CEM) and the Fitbit Charge 5 (FC5). IRNs were gathered after at least 4 h of CEM. Lin's concordance correlation coefficient (CCC), Bland-Altman analysis, and mean absolute percentage error (MAPE) were used for agreement and accuracy assessment. (3) Results: In all, 526 individual pairs of measurements were obtained from 70 stroke patients-age 79.4 years (SD +/- 10.2), 63% females, BMI 26.3 (IQ 22.2-30.5), and NIHSS score 8 (IQR 1.5-20). The agreement between the FC5 and CEM was good (CCC 0.791) when evaluating paired HR measurements in SR. Meanwhile, the FC5 provided weak agreement (CCC 0.211) and low accuracy (MAPE 16.48%) when compared to CEM recordings in AF. Regarding the accuracy of the IRN feature, analysis found a low sensitivity (34%) and high specificity (100%) for detecting AF. (4) Conclusion: The FC5 was accurate at assessing the HR during SR, but the accuracy during AF was poor. In contrast, the IRN feature was acceptable for guiding decisions regarding AF screening in stroke patients.
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页数:15
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