Successful percutaneous treatment with the Konar MFTM-VSD Occluder in an infant with Abernethy syndrome—case report

Cyanosis persisting after surgical repair of complex congenital heart disease (CHD) may be related to the underlying disease. However, extracardiac causes should be also considered. We report on a patient with heterotaxy syndrome and double outlet right ventricle, in whom postoperative cyanosis was associated with an Abernethy malformation type II causing a hepatopulmonary syndrome. Despite this complex anatomy, interventional closure of the portosystemic shunt was done with a Konar MF™-VSD Occluder. The patient recovered rapidly with relief of cyanosis within one month. This case highlights the importance of a careful diagnostic assessment in patients with complex CHD, who presents cyanoses after surgical repair. In addition, it shows the feasibility and safety of a percutaneous approach with complete closure of the vascular malformation in a patient with a complex anatomy.