The Optimal Range of International Normalized Ratio for Radiofrequency Catheter Ablation of Atrial Fibrillation During Therapeutic Anticoagulation With Warfarin

Study Questions:

What is the relationship between international normalized ratio (INR) and the risk of thromboembolic and bleeding complications in patients undergoing radiofrequency catheter ablation (RFA) of atrial fibrillation (AF)?