2 | METHODS
Since June 2019, we use ancillary VOM-EI for mitral isthmus ablation. We
perform mitral isthmus ablation for peri-mitral flutter or as part of an
ablation strategy to treat persistent atrial fibrillation resistant to
pulmonary vein isolation, if peri-mitral flutter is suspected to be a
perpetuating factor. Consecutive patients undergoing VOM-EI until August
2020 were included in this study. All patients undergoing atrial
fibrillation ablation at our centre are included in a prospective
registry. This registry has been approved by the local ethics committee.
All patients provided written informed consent to participate in the
registry.