Key result
Single ablation for persistent AF achieves ~43% efficacy, requiring additional treatments for optimal success.
Why the study?
What is the efficacy of ablation strategies in patients with persistent or long-standing persistent atrial fibrillation?
What is the efficacy of ablation strategies in patients with persistent or long-standing persistent atrial fibrillation?
Single-procedure ablation for persistent or long-standing persistent AF has modest efficacy (43%), but success rates improve significantly (69%) with repeat procedures or anti-arrhythmic drugs, with PVAI being as effective as other strategies.
Single-procedure ablation has modest efficacy in persistent AF; reinforces realistic expectations and confirms PVAI equivalence to other strategies.
The efficacy of a single-AF ablation procedure for P or LsP AF is 43%; however, can be increased to 69% with the use of multiple procedures and/or anti-arrhythmic drugs. Current literature supports the finding that pulmonary vein antrum ablation/isolation is at least equivalently efficacious to other contemporary P-LsP ablation strategies.
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Clarnette et al. (2017) studied this question. A single ablation procedure for persistent or long-standing persistent atrial fibrillation has an efficacy of 43%, which can rise to 69% with additional treatments.
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