Thirty-day mortality risk in patients following radiofrequency and cryoballoon ablation for atrial fibrillation across the entire nation of Poland: An 8-year analysis from the National Health Fund of Poland.

The 30-day mortality rate in a large, unselected AF ablation cohort, covering 99% of procedures in the country, is low except for the oldest patients. This factor should be taken into consideration when offering CA for AF.