Long-Term Outcomes After Atrioventricular Valve Operations in Patients Undergoing Single-Ventricle Palliation

AV valve regurgitation is a considerable burden for the patient with a single ventricle, especially when appearing at a young age. A quarter of patients died within the first year after operation, and they had considerable morbidity in terms of reoperation, thromboembolic events, and pacemaker implantation. Their chances of reaching Fontan completion seemed decreased.