Table 1. Clinical and procedural characteristics of 99 patients with AF undergoing pulmonary vein isolation (PVI) with a single circular catheter (n=18) or a cryoballoon (n=81) during 107 procedures.
| PVAC | Cryoablation (6) | |
|---|---|---|
| No. of patients | 18 | 81 |
| No. of procedures | 20 | 87 |
| Men/women | 13/5 | 58/23 m |
| Age (years) | 58.5±7.9 | 55.4±10.5 |
| PAF | 17 | 55 |
| Persistent AF | 1 | 21 |
| Long-term persistent AF | 5 | |
| Failed AADs | 18 | 81 |
| Acute PVI | 100% | 100% |
| Fluoroscopy time (min) | 29.2±24.8 | 23±12 |
| Procedure duration (h) | 2.5±1.1 | 1.9±0.6 |
| Concomitant AFlu ablation | 2 | 11 |
| Complications | 1 | 3 |
| Follow-up (months) | 26.5±11.7 | 24.4±13.5 |
| Recurrences | 4 | 20 |
| Redos | 2* | 6 |
| Clinical success | 83.3% | 82.7% |
* 1 with use of PVAC & 1 with use of cryoablation. AF, atrial fibrillation; AFlu, atrial flutter; PAF, paroxysmal atrial fibrillation; PVAC, pulmonary vein ablation catheter; PVI, pulmonary vein isolation.