Table 3.
2D and conventional Doppler indices in the asphyxiated and control infants
| Variable | Asphyxiated infants (n=21) | Healthy term controls (n=21) | |
|---|---|---|---|
| Temperature (°C) |
33.5 ± 0.5 |
|
|
| Fractional shortening (%) |
26.4 ± 5.5 |
33.5 ± 5.3 |
<0.0001 |
| Aortic stroke volume (ml/kg) |
0.8 ± 0.3 |
1.6 ± 0.2 |
< 0.001 |
| Left ventricular output (ml/kg/min) |
97 ± 26 |
230 ± 60 |
< 0.001 |
| Mitral E/A ratio |
1.37 ± 0.2 |
0.85 ± 0.06 |
< 0.001 |
| Transductal diameter (mm) | 0.7 ± 0.2* | 0.8 ± 0.2** | NS |
*n=13, **n=14, NS not significant.