| Number of all pulmonary veins |
4 (4−4)*
|
4 (4−4)*
|
4 (4−4)*
|
0.363 |
| Procedure time, min |
102.0 ± 23.4 |
103.0 ± 25.2 |
102.0 ± 19.4 |
0.740 |
| Fluoroscopy time, min |
36.5 ± 12.1 |
35.9 ± 13.0 |
37.7 ± 10.1 |
0.127 |
| Cryoballoon type |
|
|
|
|
| 23-mm |
65 (47.4%) |
51 (54.8%) |
14 (31.8%) |
0.047 |
| 28-mm |
69 (50.4%) |
40 (43.0%) |
29 (65.9%) |
0.800 |
| 23-mm + 28-mm |
3 (2.2%) |
2 (2.2%) |
1 (2.3%) |
1.000 |
| Bi-direction isolation |
|
|
|
|
| Left superior pulmonary vein |
132 (96.4%) |
88 (94.6%) |
44 (100%) |
0.176 |
| Left inferior pulmonary vein |
132 (96.4%) |
88 (94.6%) |
44 (100%) |
0.176 |
| Left common pulmonary vein (n = 8)
|
7 (87.5%) |
3 (75.0%) |
4 (100%) |
1.000 |
| Right inferior pulmonary vein |
127 (92.7%) |
86 (92.5%) |
41 (93.2%) |
1.000 |
| Right middle pulmonary vein (n = 9)
|
8 (88.9%) |
6 (85.7%) |
2 (100%) |
1.000 |
| Right superior pulmonary vein |
132 (96.4%) |
88 (94.6%) |
44 (100%) |
0.176 |
| Freezing cycles |
|
|
|
|
| Left superior pulmonary vein |
2.3 ± 0.54 |
2.3 ± 0.53 |
2.3 ± 0.57 |
0.910 |
| Left inferior pulmonary vein |
2.3 ± 0.67 |
2.3 ± 0.72 |
2.3 ± 0.57 |
0.571 |
| Left common pulmonary vein (n = 8)
|
3.8 ± 1.28 |
4.0 ± 1.41 |
3.5 ± 1.29 |
0.653 |
| Right inferior pulmonary vein |
2.3 ± 0.67 |
2.3 ± 0.65 |
2.3 ± 0.67 |
0.650 |
| Right middle pulmonary vein (n = 9)
|
1.7 ± 0.72 |
1.7 ± 0.76 |
1.5 ± 0.71 |
0.873 |
| Right superior pulmonary vein |
2.2 ± 0.63 |
2.2 ± 0.62 |
2.3 ± 0.65 |
0.728 |
| Nadir temperature, °C |
|
|
|
|
| Left superior pulmonary vein |
54.5 ± 6.22 |
54.1 ± 6.45 |
55.3 ± 5.67 |
0.392 |
| Left inferior pulmonary vein |
49.0 ± 5.76 |
48.6 ± 5.64 |
50.1 ± 5.95 |
0.158 |
| Left common pulmonary vein (n = 8)
|
51.3 ± 3.33 |
49.5 ± 1.73 |
53.0 ± 3.83 |
0.301 |
| Right inferior pulmonary vein |
49.8 ± 7.70 |
49.4 ± 7.61 |
50.8 ± 7.90 |
0.308 |
| Right middle pulmonary vein (n = 9)
|
46.2 ± 5.95 |
45.1 ± 6.31 |
50.0 ± 2.83 |
0.461 |
| Right superior pulmonary vein |
55.3 ± 6.07 |
55.2 ± 5.67 |
55.4 ± 6.91 |
0.394 |
| Mean freezing time, s |
|
|
|
|
| Left superior pulmonary vein |
224 ± 36.8 |
227 ± 35.8 |
218 ± 38.6 |
0.267 |
| Left inferior pulmonary vein |
246 ± 18.0 |
248 ± 17.3 |
243 ± 19.3 |
0.241 |
| Left common pulmonary vein (n = 8)
|
244 ± 30.8 |
259 ± 37.5 |
229 ± 14.4 |
0.137 |
| Right inferior pulmonary vein |
237 ± 33.0 |
236 ± 29.2 |
238 ± 40.2 |
0.951 |
| Right middle pulmonary vein (n = 9)
|
236 ± 6.9 |
235 ± 7.7 |
239 ± 1.8 |
1.000 |
| Right superior pulmonary vein |
214 ± 47.0 |
217 ± 45.6 |
209 ± 50.0 |
0.341 |
