ME group (N=30) Control group (N=30) p
RF attempt number to AP block 2.5 (1 – 5) 4 (2 – 9) 0.128
Ablation time to AP block (sec) 29 (3 – 123) 82.5 (16 – 214) 0.110
Total ablation time (sec) 206 (152 – 386) 170 (131 – 358) 0.158
Average power (W) 36.2 ± 3.6 32.8 ± 4.5 0.002
Average temperature (°C) 35 (30 – 41) 49 (45 – 52) <0.001
Procedure time (min) 70 (60 – 80) 61 (60 – 90) 0.631
Acute SVT reinduction, n 0 0 1.000
Acute AP reconnection, n (%) 7 (23.3%) 6 (20.0%) 1.000
Dormant AP conduction, n (%) 3 (10.0%) 2 (6.7%) 1.000
AP potential visualization, n (%) 13 (43.3%) 7 (23.3%) 0.171
Manifest AP, n (%) 10 (33.3%) 8 (26.7%) 0.778
AP location, n (%)
Left lateral 11 (36.6%) 12 (40.0%)
Left posterior 6 (20.0%) 9 (30.0%)
Left anterolateral 4 (13.3%) 5 (16.6%)
Right lateral 2 (6.6%)
Right posterior 1 (3.3%) 1 (3.3%)
Septal 5 (16.6%) 3 (10.0%)
Epicardial (MCV) 1 (3.3%)