Procedural characteristics (Table 2)
Isolation of all 4 pulmonary veins was achieved in 75/76 (99%) of
patients. Cavo-tricuspid isthmus (CTI) ablation was additionally
performed in 14/76 (18%) of patients. Patients averaged 1.17 procedures
over the follow up period with 90 ± 42 minutes per index procedure.
Repeat procedures with RF were performed in 10 patients (13%). Of those
patients 9 (90%) underwent PV re-isolation, two patients (20%) had
additional roof line, one patient (10%) had complete posterior wall
isolation, and two patients (20%) had additional ablation of complex
electrograms.