Inclusion criteria: |
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• Patients with ECG-documented symptomatic paroxysmal atrial fibrillation • At least one ineffective antiarrhythmic drug treatment • Age ≥ 18 and ≤ 75 years |
Exclusion criteria |
• Previous ablation procedure for AF • Cardiac surgery ≤ 3 months • Left atrial diameter > 50 mm or ejection fraction < 35% • Instable coronary artery disease or clinically relevant cardiac valve insufficiency • Hyperthyroidism, pregnancy or lactation • Coumadin or heparin intolerance • Concomitant disease with expected lifespan < 2 years • Contraindications for MRI • Acute cerebral infarction (DWI lesion) detected by brain MRI before LACA |