Table 2. Intervention related Major complications.

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Diagnosis	PA-VSD	PA-VSD	PA-VSD	PA-VSD	PA-IVS
Origin of duct	Underside of a.a.	DAO	Underside of a.a.	TBC	Underside of a.a
Vascular access	Fem. A	Fem. A	axil. A	Fem. A	axil. A
DCI	0.62 (IV)	0 (I)	0.54 (IV)	0.52 (IV)	0.62 (IV)
Complications	S. Thrombosis	S. Thrombosis	Vessel damage	S. Thrombosis	S. Thrombosis
Thrombophilia screen	FFVLM	FFVLM	Not tested	Not tested	Not tested
Outcome	MBT shunt	Glenn	Retardation	MBT shunt	MBT shunt

PA, pulmonary atresia; VSD, ventricular septum defect; IVS, intact ventricular septum; Underside of a.a., underside of aortic arch; DAO, descending aorta; TBC, truncus brachiocephalicus; DCI, ductal curvature index; axil. A, axillary artery; Fem. A, femoral artery; mBT, modified Blalock-Taussig shunt; S. Thrombosis, Stent thrombosis; FFVLM, familial factor V Leiden mutation.