Why the study?
Potentials are often still recorded in the left atrial posterior wall after PVI and roof and bottom linear ablation, prompting an exploration of the methodological approach and electrophysiological characteristics of posterior wall isolation.
Does activation and voltage mapping-guided ablation improve the achievement of complete left atrial posterior wall isolation in patients with long-standing persistent atrial fibrillation?
Does activation and voltage mapping-guided ablation improve the achievement of complete left atrial posterior wall isolation in patients with long-standing persistent atrial fibrillation?
Voltage mapping-guided targeted ablation safely and effectively achieves complete posterior wall isolation in persistent atrial fibrillation patients when standard linear ablation fails.
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Retrospective PWI data in persistent AF describe technique; leaves open efficacy versus PVI alone pending randomized trials.
Liang et al. (2021) studied this question.
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