Etiology of right ventricular restrictive physiology early after repair of tetralogy of Fallot in pediatric patients

Table 1 variables of risk factor in restrictive and non restrictive group

Variables	Group A	Group B	P value
No of patients	28	22
Sex(M/F)	20/8	12/10	0.240
Age (months)	30.71 ± 28.52	20 ± 10.76	0.094
Weight (kg)	10.93 ± 4.74	10.10 ± 2.31	0.455
CPB time(minute)	131 ± 20.7	100.2 ± 12.1	< 0.001*
Aortic cross clamping time (minute)	102.89 ± 17.14	76.40 ± 13.74	< 0.001*
Transannular patch	22/28	6/22	< 0.001*
Spo₂ (%)	79 ± 8.4	87 ± 6	0.015*
RV/LV pressure	67.95 ± 5.69	63.31 ± 5.66	0.009*
Ventricular hypertrophy
1.5 mm	7	16	< 0.001*
2. > 5 mm	21	6	< 0.001*
RH enlargement	15	4	< 0.001*
TAPSE mm Hg	13.41 ± 1.35	16.70 ± 1.51	< 0.001*
PASP mm Hg	49.15 ± 6.75	33.54 ± 5.48	< 0.001*
TAPSE/PASP	0.27 ± 0.05	0.51 ± 0.15	< 0.001*
TOF pts.	20	17
TOF pts. with PDA	3	3
TOF pts. with ASD	5	2
Pulmonary annular diameter(mm)	10.22 ± 2.1	12.31 ± 2.31	0.115
Intubation time(minute)	382.35 ± 64.52	219.36 ± 44.28	< 0.001*
PICU stay(days)	8.92 ± 1.24	4.15 ± 1.18	< 0.001*
HTC (l/l)	0.45 ± 0.05	0.39 ± 0.02	< 0.001*

M male, F female, TOF Tetralogy of Fallot, PDA Patent ductus artriosus, ASD Atrium septal defect, CPB Cardio pulmonary bypass, TAP Trans annular patch, RV Right ventricle, LV left ventricle, RVRP Right ventricle restrictive physiology, RH enlargement Right heart enlargement, TAPSE Tricuspid annular plane systolic excursion, PASP Pulmonary artery systolic pressure

ISSN: 1749-8090