Inclusion criteria |
Age < 17.5 year |
AVSD (complete, partial or transitional) after biventricular repair |
Echocardiographic data collected 6 months after repair |
Exclusion criteria |
AVSD with tetralogy of Fallot |
Partially or totally anomalous pulmonary venous connection |
Mitral stenosis (mean Doppler gradient > 10 mmHg) |
Aortic regurgitation (vena contracta/annular diameter ratio > 0.2) |
Left-ventricular outflow tract obstruction (peak Doppler gradient > 20 mmHg) |
Residual atrial or ventricular septal defect (> 3 mm in diameter) |
Associated hypertrophic obstructive cardiomyopathy |