Table 1.

Preoperative characteristics

Age (years)	4.7 ± 2.1
Weight (kilograms)	16.1 ± 6.0
Male, n (%)	30 (60)
Type of cardiac lesion, n (%)
HLHS	23 (46)
Tricuspid atresia	7 (14)
DORV	7 (14)
Unbalanced AVSD	6 (12)
PA-IVS	4 (8)
DILV	1 (2)
TGA-VSD-PS	1 (2)
Ebstein’s anomaly-HRV	1 (2)
Preoperative hemodynamic data
Heart rate (bpm)	103 ± 15
Mean arterial pressure (mm Hg)	77 ± 12
Arterial oxygen saturation (%)	83 ± 6
Qp:Qs	0.73 ± 0.26
PVR (Wood’s units)	2.0 ± 0.9
mPAP (mm Hg)	11 ± 3
CI (L/min/m2)	3.5 ± 1.2
SVEDP (mm Hg)	8 ± 4

Qp/Qs: ratio of pulmonary blood flow over systemic blood flow; PVR, pulmonary vascular resistance; mPAP, mean pulmonary artery pressure; CI, cardiac index; SVEDP, systemic ventricular end-diastolic pressure; HLHS, hypoplastic left heart syndrome; DORV, double outlet right ventricle; DILV, double inlet left ventricle; PA-IVS, pulmonary atresia-intact ventricular septum; TGA, transposition of great arteries; VSD, ventricular septal defect; HRV, hypoplastic right ventricle; PS, pulmonary stenosis; AVSD, atrioventricular septal defect. Data are presented as mean ± standard deviation.