Table 1 Comparison of contrast-enhanced ultrasound perfusion parameters between groups in the whole brain, central/thalamic region, and peripheral parenchyma (median ± interquartile range).
Hypoxic | Normoxic | p value | |
|---|---|---|---|
MFV (au/s) | |||
Whole brain | 0.78 ± 0.36 | 1.1 ± 0.42 | 0.026* |
Central/thalamic | 1.32 ± 1.01 | 1.47 ± 0.88 | 0.11 |
Peripheral parenchyma | 0.59 ± 0.51 | 0.84 ± 0.69 | <0.001* |
Transit time (s) | |||
Whole brain | 0.99 ± 0.46 | 0.63 ± 0.22 | 0.016* |
Central/thalamic | 3.65 ± 1.47 | 3.17 ± 1.33 | 0.08 |
Peripheral parenchyma | 3.84 ± 1.99 | 1.87 ± 0.92 | <0.001* |
MBF (au2/s) | |||
Whole brain | 109 ± 84 | 181 ± 57 | <0.001* |
Central/thalamic | 211 ± 136 | 242 ± 106 | 0.012* |
Peripheral parenchyma | 68 ± 27 | 102 ± 45 | <0.001* |