Inclusion Criteria:  Patients underwent surgical repair of right ventricular hypertrophic congenital heart disease Obtain informed consent signed by parents  Exclusion Criteria:  Significant residual shunt (more than 2mm), residual obstruction of right ventricular outflow tract (RVOT) or A-V valve insufficiency. Hemodynamic instability (whose inotropic score more than 20); Significant bleed (whose chest drainage more than 5ml/kg/h); Failed to insert the PiCCO catheter Dysfunction and abnormal of esophage; Inclusion in other research protocol