Table 2 Relationship between CEUS perfusion parameters and fetal variables (n=20 experiments)
Perfusion parameters (s) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Time-to-peak intensity | Rise time | Fall time | Transit time | |||||||||
Coefficient | SE | P value | Coefficient | SE | P value | Coefficient | SE | P value | Coefficient | SE | P value | |
pH | 7.09 | 3.18 | 0.03* | 5.11 | 1.55 | <0.01* | 7.58 | 3.24 | 0.02* | 12.35 | 4.11 | <0.01* |
pCO2(mm Hg) | -0.12 | 0.04 | <0.01* | -0.74 | 0.02 | <0.01* | -0.09 | 0.03 | 0.01* | -0.16 | 0.04 | <0.01* |
pO2(mm Hg) | 0.02 | 0.07 | 0.72 | -0.00 | 0.03 | 0.96 | -0.03 | 0.07 | 0.7 | -0.03 | 0.09 | 0.7 |
HCO3- (mEq/L) | -0.05 | 0.11 | 0.67 | -0.01 | 0.05 | 0.82 | 0.03 | 0.16 | 0.86 | 0.00 | 0.19 | 0.99 |
Heart rate (beats per minute) | 0.01 | 0.01 | 0.39 | 0.00 | 0.00 | 0.94 | -0.02 | 0.00 | 0.07 | -0.02 | 0.01 | 0.15 |
Mean arterial pressure (mm Hg) | 0.07 | 0.05 | 0.11 | 0.00 | 0.02 | 0.72 | 0.02 | 0.05 | 0.69 | 0.03 | 0.06 | 0.67 |