Incidence of congenital heart defects, other cardiovascular (CV) and extracardiac malformations, and cases with chromosome anomalies (1991-97)
| Diagnostic group | Total | No other CV or extracardiac malformations | With other CV malformations | With extracardiac malformations | Chromosome anomalies | Trisomy 21 | Trisomy 18 | Trisomy 13 | Monosomy X | Triploidy N | Other structural anomalies |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VSD | 36 (28) | – | 20 | 31 | 15 | 8 | 4 | 1 | – | 1 | 1 |
| AVSD | 21 (16) | – | 17 | 17 | 13 | 9 | 3 | – | – | – | 1 |
| HLH | 21 (16) | 8 (38) | 7 | 8 | 2 | – | 1 | 1 | – | – | – |
| DORV | 15 (12) | – | 14 | 11 | 5 | – | 3 | 2 | – | – | – |
| CoA | 7 (6) | – | 2 | 7 | 3 | 1 | – | – | 2 | – | – |
| TGA | 5 (4) | 2 (40) | 4 | 1 | – | – | – | – | – | – | – |
| AoVS | 5 (4) | 1 (20) | 4 | 1 | 1 | – | – | – | 1 | – | – |
| TOF | 4 (3) | – | 4 | 3 | 2 | 1 | – | 1 | – | – | – |
| TAC | 4 (3) | – | 4 | 3 | 1 | – | – | – | – | 1 | – |
| PaVS/PaVA | 4 (3) | – | 3 | – | – | – | – | – | – | – | – |
| TA | 4 (3) | – | 3 | 2 | – | – | – | – | – | – | – |
| SV | 2 (1.5) | – | 2 | – | – | – | – | – | – | – | – |
| ASD | 1 (0.5) | – | 1 | 1 | 1 | – | – | 1 | – | – | – |
| Total | 129 (100) | 11 (9) | 85 (66) | 85 (66) | 43 (33) | 19 (15) | 11 (9) | 6 (5) | 3 (2) | 2 (1.5) | 2 (1.5) |
Values are n or n (%).
AoVS, aortic valve stenosis; ASD; atrial septal defect; AVSD, atrioventricular septal defect; CoA, coarctation of the aorta; DORV, double outlet right ventricle; HLH, hypoplastic left heart; PaVS/PaVA, pulmonary valve stenosis/pulmonary valve atresia; SV, single ventricle; TA, tricuspid atresia; TAC, truncus arteriosus communis; TGA, transposition of the great arteries; TOF, tetralogy of Fallot; VSD; ventricular septal defect.