| COR | LOE | RECOMMENDATIONS |
|---|---|---|
| 1 | B-NR | 1. In patients with recurrent symptomatic AF after catheter ablation, repeat catheter ablation or antiarrhythmic drug therapy is useful to improve symptoms and freedom from AF.1-11 |
| 2a | A | 2. In some patients who have undergone catheter ablation of AF, short-term antiarrhythmic drug therapy after ablation can be useful to reduce early recurrences of atrial arrhythmia and hospitalization.12-16 |
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