Empirical Cavotricuspid Isthmus Ablation in Congenital Heart Disease: A Nationwide Prospective Study.
BACKGROUND Recurrence rates of atrial arrhythmias after catheter ablation in patients with congenital heart disease (CHD) remain substantial. Given the high prevalence of peritricuspid flutter, systematic cavotricuspid isthmus (CTI) ablation may represent a rational preventive strategy. OBJECTIVES The objective of th...