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Review
. 2020 Jul;31(7):1857-1860.
doi: 10.1111/jce.14298. Epub 2019 Dec 10.

Persistent atrial fibrillation in the setting of pulmonary vein isolation-Where to next?

Peter M Kistler  1   2   3   4 , David Chieng  1   2   3
Affiliations
Review

Persistent atrial fibrillation in the setting of pulmonary vein isolation-Where to next?

Peter M Kistler et al. J Cardiovasc Electrophysiol. 2020 Jul.

Abstract

Catheter ablation for atrial fibrillation (AF) is indicated in symptomatic patients who are intolerant or refractory to antiarrhythmic therapy. However, outcomes from catheter ablation remain suboptimal in patients with persistent AF. Pulmonary vein antral isolation (PVAI) is established as the cornerstone of AF ablation strategies. The landmark STAR AF II study demonstrated a lack of incremental benefit with adjunctive linear and complex fractionated electrogram ablation beyond PVAI. Randomized studies thus far have failed to consistently show favorable outcomes from other trigger/substrate-based ablation approaches over PVAI alone. In this issue of the journal, we pose an interesting clinical scenario-of a middle-aged female who presents with recurrent persistent AF but was found to have enduring PVAI on repeat electrophysiologic study. Which approach should be undertaken next? In this review article, we aim to provide an overview of ablation strategies beyond PVAI. Finally in light of scant randomized data to guide decision making we have approached leading experts in the field to provide their approach to this scenario.

Keywords: CFAE; FIRM; LAA; MRI; atrial fibrillation; non- PV trigger; persistent; posterior wall isolation; pulmonary vein isolation; scar.

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References

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