TABLE 2.
Procedural characteristics.
| Overall (n = 256) | |
| Number of all PVs | 1,045 |
| Procedure time (min) | 95 ± 25.4 |
| Fluoroscopy time (min) | 32 ± 11.8 |
| Cryoballoon type | |
| 23-mm | 152 (59.4%) |
| 28-mm | 97 (37.9%) |
| 23-mm + 28-mm | 7 (2.7%) |
| Bi-direction isolation | |
| LSPV | 237 (96.0%) |
| LIPV | 239 (96.8%) |
| LCPV (n = 9) | 8 (89.9%) |
| RIPV | 241 (94.1%) |
| RMPV (n = 30) | 27 (90.0%) |
| RSPV | 248 (96.9%) |
| Freezing cycles | |
| LSPV | 2.5 ± 0.6 |
| LIPV | 2.4 ± 0.8 |
| LCPV (n = 9) | 3.0 ± 1.2 |
| RIPV | 2.4 ± 0.9 |
| RMPV (n = 30) | 1.3 ± 0.6 |
| RSPV | 2.3 ± 0.7 |
| Nadir temperature (°C) | |
| LSPV | −54 ± 6.2 |
| LIPV | −48 ± 5.5 |
| LCPV (n = 9) | −53 ± 3.2 |
| RIPV | −50 ± 8.3 |
| RMPV (n = 30) | −41 ± 5.8 |
| RSPV | −56 ± 5.5 |
| Mean freezing time (s) | |
| LSPV | 221 ± 37.6 |
| LIPV | 244 ± 26.5 |
| LCPV (n = 9) | 219 ± 25.3 |
| RIPV | 234 ± 36.5 |
| RMPV (n = 30) | 240 ± 31.5 |
| RSPV | 209 ± 46.0 |
Data are expressed as mean ± SD or n (%).
PV, pulmonary vein; RIPV, right inferior pulmonary vein; LSPV, left superior pulmonary vein; LIPV, left inferior pulmonary vein; RSPV, right superior pulmonary vein; LCPV, left common pulmonary vein; RMPV, right middle pulmonary vein.