Key result
Monitoring with a patch ECG in endurance athletes with paroxysmal AF was feasible, but recording quality was poor in 16% and 40% of recordings during cross-country skiing and running, respectively.
Why the study?
The study was conducted to evaluate the quality of ECG recordings and the concordance between automatic cardiac arrhythmia detection by a patch ECG and an insertable cardiac monitor.
Does a patch ECG provide comparable arrhythmia detection and recording quality to an insertable cardiac monitor in endurance athletes with paroxysmal atrial fibrillation?
Cohort (n=14)
Does a patch ECG provide comparable arrhythmia detection and recording quality to an insertable cardiac monitor in endurance athletes with paroxysmal atrial fibrillation?
Patch ECG monitoring is feasible in endurance athletes with paroxysmal AF, but recording quality varies significantly by exercise type, particularly during running.
Patch ECG feasibility in endurance athletes with paroxysmal AF is offset by quality shortfalls; hypothesis-generating for refined devices suited to high-intensity activity.
OBJECTIVES: The objective of this study was to assess the quality of ECG recordings and the concordance between the automatic detection of cardiac arrhythmia episodes by a patch ECG and an insertable cardiac monitor. DESIGN: Prospective cohort study. SETTING AND PARTICIPANTS: Endurance athletes diagnosed with paroxysmal atrial fibrillation (AF) and no other relevant comorbidities participating in a randomised controlled trial on the effects of training adaption. METHODS: A patch ECG (ECG247 Smart Heart Sensor) was sent to 29 non-elite endurance athletes with clinical paroxysmal AF. ECG247 continuously monitors, detects and categorises cardiac arrhythmias. The participants were simultaneously monitored with an insertable cardiac monitor (Confirm Rx, Abbott). ECG recording quality was assessed by an experienced physician. Training sessions were monitored using sports watches. RESULTS: Out of 29 invited athletes, 14 athletes (mean age 60.4 years, 2 women) made use of the patch ECG and were monitored for a total of 2987 hours and a median of 14 (range 1-17) days. During this period, the athletes performed a total of 112 training sessions. ECG quality varied between athletes and by type of exercise, with poor quality in 16% and 40% of recordings during cross-country skiing and running, respectively. In two athletes, the patch ECG detected AF episodes that were confirmed with insertable cardiac monitor recordings. One technical artefact was falsely classified as ventricular tachycardia by the ECG247 Smart Heart Sensor system. CONCLUSION: Monitoring with patch ECG was feasible in endurance athletes, but ECG recording quality varied between athletes and by type of exercise. TRIAL REGISTRATION: NCT04991337 (for the related randomised controlled trial).
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Apelland et al. (2025) conducted a cohort in Paroxysmal atrial fibrillation (AF) (n=14). Patch ECG (ECG247 Smart Heart Sensor) vs. Insertable cardiac monitor (Confirm Rx, Abbott) was evaluated on Quality of ECG recordings and concordance between automatic detection of cardiac arrhythmia episodes by patch ECG and insertable cardiac monitor. Monitoring with a patch ECG in endurance athletes with paroxysmal AF was feasible, but recording quality was poor in 16% and 40% of recordings during cross-country skiing and running, respectively.
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