Why the study?
Does the occurrence of focal atrial tachycardia during ablation for persistent AF predict higher arrhythmia recurrence compared to macroreentrant AT or direct sinus rhythm restoration?
Does the occurrence of focal atrial tachycardia during ablation for persistent AF predict higher arrhythmia recurrence compared to macroreentrant AT or direct sinus rhythm restoration?
The occurrence of focal atrial tachycardia after termination of persistent AF during ablation is associated with a significantly higher risk of arrhythmia recurrence at 1 year compared to macroreentrant AT or direct sinus rhythm restoration.
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Focal AT after AF termination may identify lower-risk patients; leaves open whether AT mechanism should guide ablation strategy in prospective trials.
Iwai et al. (2017) studied this question.
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