Table 2.

Characteristics and type of intervention in three patients who underwent cardiac magnetic resonance before and after intervention

Subject	Diagnosis	Type of Fontan	Reason for intervention	Intervention
4	Hypoplastic right pulmonary artery, left isomerism, interrupted IVC, dextrocardia	Extracardiac	Pulmonary arteriovenous fistula. All liver drainage to one lung	Extracardiac conduit was converted to a Y-graft from the inferior vena cava to both pulmonary branches separately
5	Hypoplastic aortic arch, CoA, VSD, DORV	Extracardiac	Stenosis of left pulmonary artery	Dilatation and stenting of left pulmonary artery
6	DORV Taussig Bing, unbalanced AVSD, PS, TAPVD, right isomerism	Extracardiac	APC	Coiling of collaterals

IVC inferior vena cava; CoA coarctation of aorta; VSD ventricular septal defect; DORV Double outlet right ventricle; AVSD atrioventricular septal defect; PS pulmonary stenosis; TAPVD total anomalous pulmonary venous drainage; APC aortopulmonary collaterals