Supplemental Table 1.

Characteristics of the 22 patients in the infant subgroup

ID#	Sex	Age, days	Weight, kg	BSA, m2	CHD	Operation	Circ Arrest	POD extubated	Extubation Failure
1017	Male	4	2.82	0.18	d-TGA, PS, VSD	BTS, PA augmentation	No	3	No
1060	Female	4	2.84	0.19	Truncus arteriosus	Repair truncus arteriosus	No	4	No
1062	Female	5	4.2	0.23	HLHS	Norwood	Yes	7	No
1049	Female	7	2.8	0.18	HLHS	Norwood	Yes	6	Yes
1063	Male	7	3.1	0.2	DILV, IAA	Norwood, repair IAA	Yes	6	Yes
1030	Male	7	3.5	0.22	HLHS	Norwood	Yes	6	No
1019	Male	9	3.27	0.2	Aortic atresia, VSD, arch hypoplasia	Yasui procedure	Yes	6	Yes
1051	Male	9	3.33	0.21	HLHS	Norwood	Yes	6	No
1024	Male	9	3.4	0.21	d-TGA	ASO	No	6	No
1040	Male	12	3.2	0.19	Valvar and supravalvar AS	Aortic valvotomy, patch aortoplasty	No	3	No
1042	Male	25	3.2	0.22	TOF, PA, MAPCAs	Unifocalization, RV-PA conduit	No	5	Yes
1027	Female	32	2.79	0.19	ASD, VSD	ASD and VSD closure	No	1	No
1045	Male	42	3.21	0.21	VSD	VSD closure	No	1	No
1021	Male	49	5.12	0.28	TOF	VSD closure, transannular patch	No	2	No
1029	Male	74	5.96	0.3	Hypoplastic aortic arch	Aortic arch augmentation	Yes	1	No
1043	Female	93	4.3	0.25	d-TGA, HRV, arch hypoplasia	Glenn	No	0	No
1031	Female	102	3.64	0.23	VSD	VSD closure	No	0	No
1005	Female	112	4.45	0.26	complete AVSD	repair AVSD	No	0	No
1044	Male	113	6.71	0.33	TOF	VSD closure, transannular patch	No	1	No
1061	Female	171	4.94	0.27	TOF, PA, MAPCAs	unifocalization, BTS	No	4	Yes
1047	Male	239	8.28	0.38	Supravalvar AS	Patch aortoplasty	No	0	No
1013	Female	304	7.94	0.38	ASD	ASD closure	No	0	No