Why the study?
Additional benefits of posterior LA box isolation over PVI in persistent AF have been reported, but the underlying mechanism remains unclear.
Does posterior left atrial box isolation reduce rotors and multiple wavelets in patients with persistent atrial fibrillation?
Population
Patients with persistent AF
Comparison
Posterior LA box isolation added to PVI
Authors
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BOXI may reduce rotors beyond the isolated posterior wall in persistent AF; leaves open whether this improves ablation outcomes.
Does posterior left atrial box isolation reduce rotors and multiple wavelets in patients with persistent atrial fibrillation?
Posterior left atrial box isolation reduces rotors and multiple wavelets not only in the posterior wall but also in the anterior wall, inferior wall, and left atrial appendage in patients with persistent atrial fibrillation.
Kumagai et al. (2020) studied this question.
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