Patients without recurrences (n = 10) Patients with recurrences (n = 8)
Age (years) 71.1 ± 11.2 73.2 ± 5.3
Females (%) 4 (40%) 5 (63%)
Left ventricular ejection fraction (%) 56 [42–60] 60 [55–66]
Indexed left atrial volume (ml/m2) 33.6 ± 10.6 40.2 ± 13.0
Significant structural cardiopathy 5 (50%) 4 (50%)
Previous atrial fibrillation 6 (60%) 5 (63%)
Prior ablation procedures 9 (90%) 2 (25%)
Prior cardiac surgery 2 (20%) 2 (25%)
Procedural time (min) 260 ± 66 267 ± 72
Presence of rotors 7 (70%) 6 (75%)
Use of contact force-sensing ablation catheters 3 (30%) 3 (37%)
Pulmonary vein isolation * 7 (70%) 4 (50%)
Cavotricuspid isthmus ablation * 8 (80%) 7 (88%)