Improving Outcomes for Infants with Single Ventricle Physiology through Standardized Feeding during the Interstage

Table 1

Subject characteristics.

Variable	Preintervention ()	Protocol ()
Gender: male
Birth weight (kg)	3.117 (2.84–4.04)	3.173 (2.7–3.63)
Gestational age	38	38
Physiology
HLHS: AA/MA	1	1
HLHS: AA/MS	0	1
Unbalanced AVC	2	1
HRHS: TA	2	2
DOL at surgery	7.4 (3–15)	9 (7–16)
DOL at hospital DC	70.4 (44–101)	50 (30–69)
G-tube at DC
Change in WAZ	0.05	0.91
POD 5–7 Kcal/kg/d	69	102
POD 7–10 Kcal/kg/d	70	114
Median LOS, 1st stage	62	43
Median LOS, 2nd stage	7	4

; .
HLHS: hypoplastic left heart syndrome; kg: kilogram; AA: aortic atresia; MA: mitral atresia; MS: mitral stenosis; AVC: atrioventricular canal defect; HRHS: hypoplastic right heart syndrome; TA: tricuspid atresia; DOL: day of life; DC: discharge; G-tube: gastric feeding tube; WAZ: weight-for-age -score; POD: postoperative day; Kcal/kg/d: calories per kilogram per day; LOS: length of stay.