Outcomes
Recurrences were adjudicated by the study authors based upon rhythm tracings in the medical record. Tracings from standard electrocardiography, wearable rhythm monitoring, and recordings from cardiac implantable electronic devices (CIED), whether scheduled or symptom triggered, were permitted and assessed. Recurrence was defined as recurrent atrial fibrillation, atrial flutter, or atrial tachycardia of at least 30 seconds duration, after at least 90 days post procedure. Complications were determined from the medical record. Tamponade was defined as pericardial effusion requiring pericardiocentesis. Survival probabilities were computed with a product limit (Kaplan Meier) approach, censoring patients at the time of recurrence.