Why the study?
Because mechanisms underlying AF are complex and vary among individuals, this study investigated the association between AF activation patterns and clinical outcomes post-ablation.
Does baseline AF activation pattern mapping predict freedom from arrhythmias after standard AF ablation in patients with atrial fibrillation?
Comparison
Bi-atrial activation patterns evaluated by nonpassively activated ratio during AF
Design
Retrospective study
Follow-up
Median 27(14–30) months
Authors
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LA nonpassive activation ratios may stratify recurrence risk after AF ablation; hypothesis-generating and requires prospective validation before clinical use.
Does baseline AF activation pattern mapping predict freedom from arrhythmias after standard AF ablation in patients with atrial fibrillation?
Higher baseline nonpassively activated ratios in the left atrium, particularly the anterior wall, independently predict atrial arrhythmia recurrence after standard catheter ablation.
Aoyama et al. (2023) studied this question.
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