|
n=336
|
n=30
|
n=32
|
n=4
|
Group
A vs. B+C
|
Group
B vs. C
|
AF/AT recurrence |
|
|
|
|
|
|
After the initial ablation |
64 (19) |
17 (57) |
19 (59) |
4
(100) |
<0.0001 |
0.83 |
After the last ablation |
24 (7) |
9 (30) |
12 (38) |
4 (100) |
<0.0001 |
0.53 |
Cardiac rhythm at final follow up |
|
|
|
|
|
|
Antiarrhythmic drugs |
16 (5) |
4 (13) |
3 (9) |
2 (50) |
0.043 |
0.70 |
Sinus rhythm or paced rhythm |
332 (99) |
25 (83) |
29 (91) |
1
(25) |
<0.0001 |
0.47 |
Death |
|
|
|
|
|
|
All-cause death |
6 (2) |
1 (3) |
2 (6) |
1 (25) |
0.15 |
1.00 |
Cardiovascular death |
2 (1) |
1 (3) |
1 (3) |
1 (25) |
0.12 |
1.00 |
Repeat ablation |
|
|
|
|
|
|
≥ 1 repeat ablation |
46 (14) |
14 (47) |
9 (28) |
2 (50) |
<0.0001 |
0.13 |
Number of ablation sessions |
1.2 ± 0.4 |
1.5 ± 0.6 |
1.4 ± 0.8 |
1.5 ± 0.6 |
0.001 |
0.47 |
Ablation procedures throughout all ablation sessions |
|
|
|
|
|
|
LVA ablation |
7 (2) |
30 (100) |
5 (16) |
0 (0) |
<0.0001 |
<0.0001 |
Ablation for ATs except for
common flutter |
8 (2) |
11 (37) |
5 (16) |
0 (0) |
<0.0001 |
0.058 |
Ablation for non-PV, non-SVC trigger |
22 (7) |
2 (7) |
9 (28) |
3 (75) |
0.003 |
0.044 |
SVC isolation |
36 (11) |
7 (23) |
6 (19) |
2 (50) |
0.024 |
0.66 |
Roof line |
11 (3) |
17 (57) |
3 (9) |
2 (50) |
<0.0001 |
<0.0001 |
Bottom line |
7 (2) |
11 (37) |
3 (9) |
2 (50) |
<0.0001 |
0.015 |
Anterior-septal mitral line |
1 (0) |
11 (37) |
1 (3) |
0 (0) |
<0.0001 |
0.001 |
Lateral mitral line |
0 (0) |
4 (13) |
1 (3) |
0 (0) |
<0.0001 |
0.19 |
Cavo-tricuspid isthmus line |
55 (16) |
14 (47) |
12 (38) |
3
(75) |
<0.0001 |
0.47 |