Successful atrial fibrillation ablation without pulmonary vein isolation utilizing focal impulse and rotor mapping in an atriopulmonary Fontan

Fontan palliation is designed to separate systemic and pulmonary circulations to ameliorate systemic hypoxemia and relieve ventricular volume overload in patients with a functional univentricular heart. Since its introduction in 1971, the surgical techniques have evolved considerably.1 Early atriopulmonary (AP) versions of the Fontan incorporated the right atrium (RA) into the systemic venous circuit and are associated with considerable burden...