Key result
Link between very early atrial tachyarrhythmia recurrence after thermal ablation and clinical events remains undefined.
Why the study?
The relationship between very early atrial tachyarrhythmia recurrence following catheter ablation and clinical events is not well defined.
What is the relationship between early recurrence of atrial arrhythmia during the 8-week blanking period after thermal energy catheter ablation and health care utilization?
What is the relationship between early recurrence of atrial arrhythmia during the 8-week blanking period after thermal energy catheter ablation and health care utilization?
Early recurrence's link to events and utilization remains undefined; leaves open prospective studies on blanking period management.
Catheter ablation (CA) is effective for rhythm control in patients with atrial fibrillation (AF), but recurrence of atrial tachyarrhythmia (ATA) early after ablation is common. Yet, many patients with early recurrence do not experience late recurrence.1 The 2024 EHRA/HRS/APHRS/LAHRS expert consensus statement proposed an 8-week (shortened from 12-week) blanking period for clinical trials involving CA of AF, during which recurrences are not seen as a failure of treatment.2 However, the relationship between very early ATA recurrence following CA and clinical events is not well defined.
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Benz et al. (2025) conducted a letter in Atrial fibrillation. Thermal energy catheter ablation was evaluated. The relationship between very early atrial tachyarrhythmia recurrence following thermal energy catheter ablation and clinical events is not well defined.
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