Table 2.

Details of patients undergoing pulmonary artery stent redilation

Patient	Age at first stent	Age at first redilation	Diagnosis	Site of PA stents	Previous surgery	Previous intervention
1	13.3	13.8	ToF	R+L	RBTS, LmBTS, Cshunt	BD PAs
2	6.5	8.4	ToF	L	RmBTS, repair ToF	BD RVOT
3	9.4	15.6	ToF	R	LBTS, RmBTS, repair ToF, patch RPA+LPA	Multiple BD PAs
4	6.3	7.3	PAT+VSD+MAPCAS	L	LmBTS, unifocalisation R MAPCAS	RF perforation + balloon RVOT
5	16.8	18.4	PAT+VSD+MAPCAS	R+L	RmBTS, Brock, LmBTS, division L MAPCA	BD RVOT, BD LPA+ RPA, myectomy RVOT
6	0.5	1.1	CAT	R+L	CAT repair	None
7	0.4	1.3	CAT	R+L	CAT repair	None
8	7.5	8.1	Alagille’s syndrome	L	None	None
9	7.6	9.0	Alagille’s syndrome	R+L	None	Multiple BD PAs
10	6.0	6.2	Alagille’s syndrome	L	None	None
11	13.1	15.6	Congenital RPA stenosis, VSD, ASD	R	None	None
12	20.6	22.1	Congenital branch PA stenoses	L	None	None

ASD, atrial septal defect; BD, balloon dilatation; Brock, Brock pulmonary valvotomy; CAT, common arterial trunk; Cshunt, central shunt; L, left; LBTS, left classical Blalock-Taussig shunt; LmBTS, left modified Blalock-Taussig shunt; LPA, left pulmonary artery; MAPCA, major aortopulmonary collateral artery; PA, pulmonary artery; PAT, pulmonary atresia; R, right; RBTS, right classical Blalock-Taussig shunt; RF, radiofrequency; RmBTS, right modified Blalock-Taussig shunt; RPA, right pulmonary artery; RVOT, right ventricular outflow tract; ToF, tetralogy of Fallot; VSD, ventricular septal defect.