Table 2.
Postnatal characteristics of prenatally and postnatally diagnosed truncus arteriosus
| Variable | Total | Correct prenatal diagnosisa |
Postnatal diagnosisb |
P c |
|---|---|---|---|---|
| Total no. of patients | 112 | 19 | 93 | |
| Extracardiac abnormalities (%) | 20 (18) | 6 (32) | 14 (15) | 0.08 |
| Truncal regurgitation greater than mild (%) | 19 (17) | 1 (5) | 18 (19) | 0.12 |
| Truncal stenosis greater than mild (%) | 13 (12) | 3 (16) | 10 (11) | 0.46 |
| Right aortic arch (%) | 34 (30) | 7 (37) | 27 (29) | 0.50 |
| Interrupted aortic arch (%) | 18 (16) | 2 (11) | 16 (17) | 0.73 |
| Discontinuous pulmonary arteries (%) | 6 (5) | 3 (16) | 3 (3) | 0.06 |
| Abnormal coronary pattern (%) | 32 (29) | 6 (32) | 26 (28) | 0.75 |
| Median age (range) at first postnatal echocardiogram (d) | 6 (1–59) | 1 (1–2) | 7 (1–59) | <0.001 |
| Death without surgery (%) | 2 (2) | 2 (11) | 0 (0) | 0.002 |
| Median age (range) at surgery (d) | 10 (1–79) | 6 (1–27) | 12 (2–79) | 0.006 |
| Mean weight (range) at surgery (kg) | 3.0 (1.1–.2) | 3.0 (1.1–3.9) | 3.0 (1.5–5.2) | 0.44 |
| Median length (range) of hospital stay (d)d | 15 (4–156) | 19 (8–102) | 15 (4–156) | 0.39 |
| Early postoperative deathd,e (%) | 11 (10) | 4 (24) | 7 (8) | 0.07 |
| Neonatal death at <60 d (%) | 13 (12) | 6 (32) | 7 (8) | 0.003 |
a
Includes all TA patients with correct prenatal diagnosis of TA. Imaging data are from the first postnatal echocardiogram
b
Includes all patients with first diagnosis of TA in the neonatal period. Excludes patients with prenatal misdiagnosis of other CHD
c
Prenatal versus postnatal diagnosis
d
Excludes presurgical deaths
e
Less than/equal to 30 days after surgery. Reported percentage is of total patients undergoing surgical repair