Left Lateral
(n=10, 26%)
Mid-septal and
Para-hisian
(n=8, 21%)
Postero-septal
(n=8, 21%)
Right Lateral
(n=7, 18%)
Right anterior and antero-septal
(n=6, 21%)
Total (n=39) P value
Anterograde only Anterograde only 1 3 2 3 3 12
Retrograde only Retrograde only 6 1 0 0 0 7
Bidirectional Bidirectional 3 4 6 3 3 19
Initial Procedure
N RF ablations
9±4
4±1
14±7
11±5
7±2
8 (4, 15)
0.48
Ablation time (min)
3±1
2±0.5
6±2
8±2
4±1
6 (3, 9)
0.39
Fluoroscopy time (min)
26±13
23±12
26±11
28±18
18±6
22 (13, 37)
0.78
Procedure time (min)
203±86
215±93
289±140
248±93
163±57
220 (173, 280)
0.24
Irrigated-tip catheter
2 (20%) 0 (0%) 1 (12%) 3 (40%) 0 (0%) 6 (15%)
0.35
Energy used
RF 10
RF 5 cryo 6 RF 8 Cryo 2
RF 6 cryo 1
RF 5 cryo 1
RF 34 Cryo 10
0.76
3 D Mapping
1 (10%) 1 (12%) 4 (50%) 2 (28%) 1 (17%) 7 (18%)
0.28
Acute Success
7 (70%) 6 (75%) 8 (100%) 7 (100%) 4 (67%) 32 (82%)
0.85
Redo Procedure
N RF ablations
10±6
9±3
10±5
21±8
9±4
11 (6,16)
0.25
Ablation time (min)
11±5
8±3
4±1
9±4
5±2
5 (3,9)
0.25
Fluoroscopy time (min)
22±13
13±3
10±3
18±8
14±4
15 (9,25)
0.63
Procedure time (min)
203±72
199±46
241±144
233±96
232±70
203 (139,289)
0.93
Irrigated-tip catheter
5 (50%) 4 (50%) 4 (50%) 4 (57%) 1 (17%) 18 (46%)
0.45
Energy used
RF 9- cryo 3
RF 6- cryo 4 RF 8- cryo 3
RF 7
RF 6-cryo 1
RF 36- cryo 11
0.92
3 D Mapping
5 (50%) 6 (75%) 5 (62%) 5 (71%) 4 (67%) 24 (61%)
0.74
Acute Success
10 (100%) 8 (100%) 8 (100%) 7 (100%) 5 (83%) 38 (97%)
0.77
Long Term Success
10 (100%) 8 (100%) 8 (100%) 6 (86%) 5 (83%) 37 (95%)
0.87