Potentially life threatening defects | | |
Coarctation or interruption of the aortic arch | 2 | 2 |
Hypoplastic left heart (including mitral atresia) | – | – |
Pulmonary atresia (with or without VSD) | – | 2 |
Aortic valve stenosis* | 2 | 4 |
Transposition of the great vessels | 5 | – |
Total anomalous pulmonary venous drainage | 3 | – |
Other clinically important defects | | |
Truncus arteriosus or double outlet right ventricle | 3 | – |
Tetralogy of Fallot | 1 | 3 |
Atrioventricular septal defect (partial or complete) | 1 | 2 |
VSDs not closing spontaneously within one year† | 38 | 23 |
Atrial septal defects not closing within one year† | 7 | 14 |
Clinically less important conditions | | |
VSDs closing spontaneously within one year | 18 | 23 |
Ductus arteriosus still patent at 6 weeks (term babies only) | – | 4 |
Mild pulmonary valve stenosis (jet flow ⩾2 m/s at 1–2 years) | 7 | 9 |
Bicuspid aortic valve (if associated with some stenosis) | – | 1 |
Ebstein’s anomaly | – | 1 |
Mitral valve anomaly | 1 | – |