Why the study?
The efficacy of low-voltage-area ablation in addition to pulmonary vein isolation on rhythm outcomes in patients with paroxysmal AF had not been well determined.
Does low-voltage-area ablation in addition to pulmonary vein isolation improve 1-year AF-recurrence-free survival in patients with paroxysmal atrial fibrillation?
Population
62 paroxysmal AF patients with low-voltage areas undergoing initial AF ablation
Comparison
LVA ablation plus pulmonary vein isolation vs pulmonary vein isolation alone
Design
Randomized controlled trial
Follow-up
1 year
Authors
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Additional LVA ablation adds no benefit to PVI for paroxysmal AF; challenges routine use and reinforces PVI-alone arms in future trials.
Does low-voltage-area ablation in addition to pulmonary vein isolation improve 1-year AF-recurrence-free survival in patients with paroxysmal atrial fibrillation?
In patients with paroxysmal atrial fibrillation and low-voltage areas, performing additional LVA ablation after pulmonary vein isolation does not improve 1-year freedom from AF recurrence.
Masuda et al. (2020) studied this question.
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