Key result
Repeat persistent AF ablation with isolated PVs targets the posterior wall, drivers, and incomplete lesions.
Why the study?
Optimal strategies for repeat ablation in persistent atrial fibrillation when pulmonary veins are already isolated require clarification.
Provides a clinical framework for managing persistent atrial fibrillation in patients requiring repeat ablation despite having isolated pulmonary veins.
May guide repeat ablation planning in persistent AF; leaves open optimal targets pending randomized trials.
In this article, we summarize our approach to a repeat ablation for persistent atrial fibrillation when the pulmonary veins are already isolated. We summarize the approach to posterior wall isolation, ablation of drivers of atrial fibrillation, and also ablation of incompletely ablated regions identified during sinus rhythm.
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Chiocchini et al. (2019) studied this question. Repeat ablation for persistent atrial fibrillation with isolated pulmonary veins involves posterior wall isolation, ablation of AF drivers, and targeting incompletely ablated regions.
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