Table 1. Demographic Characteristics, Diagnosis, and Treatment of Study Population.

Case Number	Sex	Age at 1st Cardiac CT	Time Interval between Serial CT Examinations	Diagnosis and Previous Treatment	Interval Treatment
1	M	2 days	19 days	TGA, VSD, S/P BAS	Arterial switch operation
2	M	2 days	82 days	HLHS variant, CoA	Bilateral PAB
3	F	4 days	895 days	CoA	Arch repair
4	M	6 days	378 days	CoA	Arch repair
5	M	7 days	361 days	CoA	Arch repair
6	M	15 days	357 days	IAA, VSD, S/P arch repair	N/A
7	F	16 days	349 days	CoA	Arch repair
8	F	20 days	436 days	Critical aortic stenosis, S/P Sano modified Norwood operation	Pulmonary artery angioplasty, right modified Blalock-Taussig shunt
9	F	22 days	77 days	IAA, VSD, S/P arch repair	N/A
10	M	1 month	344 days	CoA	Arch repair
11	M	8 months	98 days	Congenially-corrected TGA with intact ventricular septum, S/P PAB	N/A
12	M	8 months	161 days	Large ASD, BPD, pulmonary hypertension	Sutureless repair, ASD closure
13	F	17 months	99 days	Williams syndrome	Modified sliding aortoplasty
14	M	9 years	82 days	Williams syndrome	Aortoplasty, bypass graft
15	F	10 years	31 days	TGA, VSD, tricuspid atresia, S/P Fontan operation	VSD extension, mitral valvuloplasty
16	F	10 years	929 days	CoA	N/A
17	M	16 years	19 days	Bicuspid aortic valve, aortic regurgitation	Bentall operation

ASD = atrial septal defect, BAS = balloon atrial septostomy, BPD = bronchopulmonary dysplasia, CoA = coarctation of aorta, CT = computed tomography, F = female, HLHS = hypoplastic left heart syndrome, IAA = interrupted aortic arch, M = male, N/A = not applicable, PAB = pulmonary artery banding, S/P = status post, TGA = transposition of great arteries, VSD = ventricular septal defect