Table 5

Re-evaluation of diagnosis at surgery in 1976 to 1990 and in 1991 to 1996

1976–90 1991–96
Number operated on110167
Location of VSD
 Additional VSD not found2 (1.8%)7 (4.2%)
 Additional VSD5 (4.5%)3 (1.8%)
 Change between group of  VSD classification9 (8.2%)4 (2.4%)5-150
Miscellaneous
 Additional persistent left vena  cava superior7 (6.4%)6 (4%)
 Additional atrial septal defect22 (20%)20 (12%)
 Additional persistent ductus   arteriosus3 (2.7%)5 (3.0%)
 Persistent ductus arteriosus not found1 (0.9%)0
 Sinus of Valsalva aneurysm not found2 (1.8%)0
 Additional prolapsing aortic cusp2 (1.8%)1 (0.6%)
 Additional straddling tricuspid valve2 (1.8%)0
 Addition of dysplastic mitral valve1 (0.9%)0
  • Each diagnostic change is listed separately (n = 277).

  • 5-150 p < 0.05.