Table 1.
Clinical Characteristics of the Patients Included in the Study. Values are expressed as mean ± SD or n (%). AF = Atrial fibrillation. *Chi-Quadrat-test p=0.002.
| Variable | N = 166 |
|---|---|
| Age (y) | 63.0 ± 11.4 |
| Sex (males) | 92 (55.4%) |
| AF type | |
| paroxysmal | 109 (65.7%) |
| persistent | 57 (34.3%) |
| AF duration (month) | 32.6 ± 11.4 |
| LA diameter (mm) | 4.8 ± 2.5 |
| No coronary vessel disease | 124 (74.7%) |
| LV ejection fraction | |
| normal | 154 (92.8%) |
| Failed antiarrythmic drugs | |
| Class Ic agents | 48 (28.9%) |
| Amiodarone | 22 (13.3%) |
| Sotalol | 3 (1.8%) |
| Dronedarone | 12 (7.2%) |
| Ablation tool | |
| ArcticFrontTM (1st generation), n | 45 (27.1%) |
| Arctic FrontAdvancedTM (2st generation), n | 121 (72.9%) |
| Complete Pulmonary Vein Isolation, n | 156 (94%) |
| ArcticFrontTM (1st generation), n | 38 (84.4%) |
| Arctic FrontAdvancedTM (2st generation), n | 118 (97.5%)* |
| Total procedure time (min) | 119.3 ± 30 |