Figure 2. Example of LVA ablation in addition to PVI
Patients were categorized by LVA size into 3 groups. Patients in group A had no or small LVAs of less than 5 cm2. Patients in group B had mildly or moderately damaged LA which contained LVA of less than 10 cm2. Patients in group C had severely damaged LA which contained LVAs of less than 20 cm2.