In a trial of 146 patients who had chronic AF (defined as 6 months of continuous AF), 77 were assigned to the ablation arm and 69 to the drug therapy arm; 74% of patients in the ablation group and 58% of those in the control group were free of recurrent AF or flutter without ...
Kaplan-Meier curve of time to first atrial fibrillation, atrial flutter, or atrial tachycardia recurrence. Subjects with a primary endpoint >12 months from index cryoablation had their time to primary endpoint set to 12.0 months. CI = confidence interval. Improvement of arrhythmia-related symptoms, ...