TREATMENT OF SUBACUTE FONTAN FAILURE USING A CATHETER-BASED APPROACH TO FONTAN TAKEDOWN

Following Fontan palliation for univentricular congenital heart disease (uCHD), life-threatening complications related to this unique physiology often develop. Surgical takedown (TD) is associated with a 40% mortality, and few options exist for refractory Fontan failure. A 5-year-old with