[Occlusion of the levoatrial cardinal vein with Gianturco coils after Fontan operation]

We report the case of a 6-year-old girl with mitral atresia, hypoplastic left ventricle with a large right ventricle from which the main vases flow with a normal relationship and pulmonary obstruction, in which a modified fenestrated Fontan procedure with Gore-Tex baffle was performed. In the course of the treatment she developed cyanosis and a significant desaturation related to the presence and development of a levoatrial cardinal vein which was treated effectively using Gianturco coils with a good latter evolution. We discuss the possibilities of right-to-left shunting post Fontan procedure, percutaneous treatment as an alternative to surgery, the technique and angiographic characteristics of this case.