Table 4.
Subject- and vein-level PVI procedural data
| Acute reconnection | n/N (%) | ||
|---|---|---|---|
| Patients | 22/82 (26.8) | ||
| PVs, overall | 30/324 (9.3) | ||
| LIPV | 11/75 (14.7) | ||
| LSPV | 6/75 (8.0) | ||
| RIPV | 6/83 (7.2) | ||
| RSPV | 5/82 (6.1) | ||
| RMPV | 0/1 (0) | ||
| LPV (common) | 2/8 (25.0) | ||
|
| |||
| Focal catheter ablation for PV isolation | Ablated by balloon catheter only, n/N (%) | Ablated by balloon catheter and focal catheter, n/N (%) | |
|
| |||
| Patients | 84/85 (98.8) | 1/85 (1.2) | |
| PVs, overall | 326/327 (99.7) | 1/327 (0.3) | |
| LIPV | 75/75 (100) | 0/75 | |
| LSPV | 76/76 (100) | 0/76 | |
| RIPV | 82/83 (98.8) | 1/83 (1.2) | |
| RSPV | 83/83 (100) | 0/83 | |
| RMPV | 1/1 (100) | 0/1 | |
| LPV (common) | 9/9 (100) | 0/9 | |
|
| |||
| Time to PV isolation by real-time EGMa | Mean (SD) (s) | ||
|
| |||
| PVs, overall | 10.9 (9.1) | ||
| LIPV | 10.9 (9.8) | ||
| LSPV | 12.6 (11.8) | ||
| RIPV | 9.1 (4.8) | ||
| RSPV | 10.4 (8.4) | ||
| RMPV | 6.0 (NA) | ||
| LPV (common) | 18.0 (17.3) | ||
|
| |||
| Number of RF applicationsb | Mean (SD) | ||
|
| |||
| LIPV | 2.0 (1.5) | ||
| LSPV | 2.1 (1.8) | ||
| RIPV | 1.7 (1.0) | ||
| RSPV | 1.8 (1.5) | ||
| RMPV | 1.0 (NA) | ||
| LPV (common) | 3.4 (1.3) | ||
LIPV, left inferior pulmonary vein; LPV, left pulmonary vein; LSPV, left superior pulmonary vein; PV, pulmonary vein; RF, radiofrequency; RIPV, right inferior pulmonary vein; RMPV, right middle pulmonary vein; RSPV, right superior pulmonary vein; SD, standard deviation; NA, not applicable.
a
LIPV, left inferior pulmonary vein; LPV, left pulmonary vein; LSPV, left superior pulmonary vein; PV, pulmonary vein; RIPV, right inferior pulmonary vein; RMPV, right middle pulmonary vein; RSPV, right superior pulmonary vein.
b
LIPV, n = 74; LSPV, n = 75; RIPV, n = 80; RSPV, n = 80; RMPV, n = 1; LPV (common), n = 7.