CT - Fontan Circulation
- side by side great vessels with Damus-Kaye-Stansel (DKS) anastomosis, no coarctation, the original aorta is to the neo-aortic valve and main pulmonary artery
- normal pulmonary venous return excessive and congested
- smallish left pulmonary artery, with a long segment
- Fontan circuit return to the pulmonary artery, no significant narrowing seen, fenestration stent in place.
- multiple major aortopulmonary collateral arteries (MAPCAs) from descending aorta to both sides of the lungs mainly to the right lung, possible to the pulmonary venous system
- superior vena cava returns to the pulmonary artery (after previous Glenn procedure)
- hepatic vein and inferior vena cava join the Fontan conduit
- dilated inferior vena cava and hepatic veins