Pre-procedural characteristics |
|
|
|
|
|
Age (years) |
62.4±10.1 |
62.5±10.2 |
66±12.7 |
57±5.8 |
0.3652 |
Male gender, n (%) |
45 (62.5%) |
37 (59.7%) |
5 (100%) |
3 (60%) |
0.1995 |
Left atrial diameter (mm) |
43.7±2.7 |
43.3±2.4 |
48±2†
|
44.2±2.9 |
0.0004 |
Left ventricular ejection fraction (%) |
52±5.5 |
52.4±4.6 |
47±13 |
52±4.5 |
0.1107 |
CHA2DS2-VASc score |
1.86±1.28 |
1.87±1.27 |
2.4±1.52 |
1.2±1.09 |
0.3327 |
Previous AF ablation, n(%) |
37 (51.4%) |
29 (46.8%) |
4 (80%) |
4
(80%) |
0.1492 |
Clinical arrhythmia at the time of procedure |
|
|
|
|
|
AF, n(%) |
40 (55.6%) |
38 (61.3%) |
1 (20%) |
1 (20%) |
0.0512 |
AT, n(%) |
32 (44.4%) |
24 (38.7%) |
4 (80%) |
4 (80%) |
|
Procedural characteristics |
|
|
|
|
|
Epicardial approach , n(%) |
33 (45.8%) |
28 (45.2%) |
3 (60%) |
2
(40%) |
0.7851 |
MI ablation time (min) |
|
|
|
|
|
Total |
10.73±6.16 |
10.73±6.14 |
18.7±9.51††
|
10.16±2.93 |
0.0262 |
Endocardial |
10.12±5.87 |
10.27±5.86 |
17.66±8.54‡
|
9.96±3.14 |
0.0313 |
Epicardial |
1±0.54 |
0.96±0.49 |
1.73±0.46‡‡
|
0.5±0.42 |
0.0005 |
MI line dimensions |
|
|
|
|
|
Length (mm) |
32.0±4.3 |
31.7±4.2 |
36.2±1.8 |
32.2±5.0 |
0.0735 |
Width (mm) |
13.8±4 |
13.7±3.6 |
18.6±6.6§
|
11.2±3.6 |
0.0088 |
Post-procedural characteristics and outcome |
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|
|
|
|
Follow-up period (months) |
22.2±8.1 |
21.7±8.4 |
27.2±6.1 |
24.6±4.9 |
0.2845 |
AT/AF recurrence, n(%) |
16 (22.2%) |
13 (21%) |
2 (40%) |
1 (20%) |
0.6111 |
AT or mainly§§AT recurrence, n(%) |
2 (2.8%) |
2
(3.2%) |
0 |
0 |
0.7682 |
AF or mainly§§AF recurrence, n(%) |
14 (19.4%) |
11
(17.8%) |
2 (40%) |
1 (20%) |
|
Post-procedural antiarrhythmic medication#, n(%) |
9
(12.5%) |
6 (9.7%) |
2 (40%) |
1 (20%) |
0.1246 |
Amiodarone, n(%) |
5 (6.9%) |
3 (4.8%) |
2 (40%) |
0 |
0.2317 |
Other, n(%) |
4 (5.6%) |
3 (4.8%) |
0 |
1 (20%) |
|