TABLE 2.
Acute outcomes
| Pulmonary vein isolation for atrial fibrillation (n = 58 429) | |
|---|---|
| Ablation system n (%) | |
| RF alone | 43 047 (73.67%) |
| Balloon alone (Cryo, hot, laser) | 10 464 (17.91%) |
| RF + Balloon combination | 4586 (7.85%) |
| Others | 168 (0.29%) |
| Missing | 164 (0.28%) |
| Patient with a first session (n = 47 726) | |
| Success | 47 462 (99.45%) |
| Unsuccess | 186 (0.39%) |
| Already isolated | 60 (0.13%) |
| Unknown | 18 (0.04%) |
| Patient with second session (n = 8863) | |
| Success | 7448 (84.03%) |
| Unsuccess | 19 (0.21%) |
| Already isolated | 1388 (15.66%) |
| Unknown | 8 (0.09%) |
| Additional ablation only | 577 (6.09%) |
| Patient with third session (n = 2090) | |
| Success | 1138 (64.40%) |
| Unsuccess | 4 (0.23%) |
| Already isolated | 625 (35.37%) |
| Additional ablation only | 319 (15.26%) |
| IV‐TV isthmus‐dependent atrial flutter (n = 8838) | |
| Success | 8776 (99.30%) |
| Unsuccess | 59 (0.67%) |
| Unknown | 3 (0.03%) |
| Uncommon atrial flutter/atrial tachycardia (n = 3132) | |
| Complete success | 2650 (84.61%) |
| Partial success | 319 (10.19%) |
| Unsuccess | 103 (3.29%) |
| Unknown | 60 (1.92%) |
| Focal atrial tachycardia (n = 2686) | |
| Complete success | 2238 (83.32%) |
| Partial success | 313 (11.65%) |
| Unsuccess | 101 (3.76%) |
| Unknown | 34 (1.27%) |
| Atrioventricular nodal reentrant tachycardia by slow‐fast (n = 5574) | |
| Complete success | 5457 (97.90%) |
| Partial success | 70 (1.26%) |
| Unsuccess | 29 (0.52%) |
| Unknown | 18 (0.32%) |
| Atrioventricular nodal reentrant tachycardia by fast‐slow (n = 581) | |
| Complete success | 558 (96.04%) |
| Partial success | 18 (3.10%) |
| Unsuccess | 3 (0.52%) |
| Unknown | 2 (0.34%) |
| Atrioventricular nodal reentrant tachycardia by other (n = 581) | |
| Complete success | 339 (90.40%) |
| Partial success | 20 (5.33%) |
| Unsuccess | 7 (1.87%) |
| Unknown | 9 (2.40%) |
| Atrioventricular reentrant tachycardia by kent (n = 2951) | |
| Complete success | 2840 (96.24%) |
| Unsuccess | 85 (2.88%) |
| Unknown | 26 (0.88%) |
| Premature ventricular contraction (n = 3501) | |
| Complete success | 2642 (75.46%) |
| Partial success | 602 (17.20%) |
| Unsuccess | 228 (6.51%) |
| Unknown | 29 (0.83%) |
| Idiopathic ventricular tachycardia (n = 781) | |
| Complete success | 595 (76.18%) |
| Partial success | 122 (15.62%) |
| Unsuccess | 42 (5.38%) |
| Unknown | 22 (2.82%) |
| Ventricular tachycardia due to ischemic cardiomyopathy (n = 433) | |
| Complete success | 272 (62.82%) |
| Partial success | 117 (27.02%) |
| Unsuccess | 20 (4.62%) |
| Unknown | 24 (5.54%) |
| Ventricular tachycardia due to nonischemic cardiomyopathy (n = 502) | |
| Complete success | 289 (57.57%) |
| Partial success | 156 (31.08%) |
| Unsuccess | 40 (7.97%) |
| Unknown | 17 (3.39%) |
| Ventricular tachycardia due to CHD (n = 18) | |
| Complete success | 10 (55.56%) |
| Partial success | 7 (38.89%) |
| Unsuccess | 1 (5.56%) |
Abbreviations: CHD, congenital heart disease; IVC, inferior vena cava; RF, radiofrequency ablation; TV, tricuspid valve.