Table 3. Clinical outcomes.
* PWI- Posterior wall isolation; †AF- Atrial fibrillation.
| Cryo ablation (n=24) | Hybrid ablation (n=14) | Conventional ablation (n=23) | P value | PWI*-yes | PWI*-no | P value | |
|---|---|---|---|---|---|---|---|
| Atrial arrhrythmias < 3 months after ablation (%) | 25 | 28.6 | 39.1 | ns | 26.3 | 39.1 | ns |
| AF†>3 months (%) | 8.3 | 14.3 | 47.8 | 0.005 | 10.5 | 47.8 | 0.008 |
| Atrial flutter > 3 months(%) | 16.7 | 21.4 | 26.1 | ns | 18.4 | 26 | ns |
| Any atrial arrhythmia | 28.6 | 20.8 | 52.2 | 0.03 | 23.7 | 52.2 | 0.02 |
| Control of AF (%) | 95.8 | 93 | 72.7 | 0.001 | 94.7 | 72.7 | 0.02 |
| Cardioversion <3 months after ablation (%) | 8.3 | 7.1 | 13 | ns | 7.9 | 13 | ns |
| Cardioversion > 3 months | 12.5 | None | 8.7 | ns | 7.9 | 8.7 | ns |
| Repeat ablation within one year | 8.3 | None | 30.4 | 0.01 | 5.3 | 30.4 | 0.007 |
| Antiarrhythmic Drug class I | 4.2 | None | 8.7 | ns | 2.6 | 8.7 | ns |
| Antiarrhythmic Drug class III | 21 | None | 30 | ns | 13 | 30.4 | ns |
| Follow up (days) | 347 ± 70 | 373 ± 48 | 381 ± 59 | ns | 357 ± 63 | 381 ± 59 | ns |
| Time to recurrence (days) | 245 ± 87 | 254 ± 90 | 269 ± 129 | ns | 248 ± 87 | 269 ± 128 | ns |