5.4. Clinical Implication
LACV provides excellent prediction for AF recurrence after PVI. This information will likely enable the differentiation of patients who need additional left atrial ablation other than PVI from the majority of patients who do not experience AF recurrence with PVI alone. Nevertheless, LACV as measured in this study does not identify those specific diseased areas whose ablation would improve rhythm outcomes. Future studies are needed to explore the best ablation strategy in patients with a slow LACV.