Values for superior vena cava studies on 25 uncomplicated very preterm infants
|
5 hours (n = 25) |
12 hours (n = 24) |
24 hours (n = 24) |
48 hours (n = 21) | ||
| SVC flow (ml/kg/min) | 62 | 75 | 82 | 86 | |
| 30–140 | 34–117 | 42–150 | 46–140 | ||
| SVC velocity time integral (m/s) | 0.097 | 0.093 | 0.11 | 0.106 | |
| 0.063–0.13 | 0.054–0.155 | 0.043–0.176 | 0.057–0.172 | ||
| SVC maximum diameter (mm) | 3.0 | 3.4 | 3.5 | 3.5 | |
| 2.1–4.5 | 2.0–4.1 | 2.4–4.3 | 2.4–4.3 | ||
| SVC minimum diameter (mm) | 2.4 | 2.6 | 2.5 | 2.5 | |
| 1.6–3.5 | 1.6–3.6 | 1.6–3.3 | 1.6–3.3 | ||
Values are median and range.