Table 3 Quantitative 2D flow results
From: Doppler ultrasound cardiac gating of intracranial flow at 7T
2D flow M1Ra | 2D flow CAb | |||||
|---|---|---|---|---|---|---|
ECG | DUS | ECG | DUS | |||
Net flow volume | ||||||
(M1:ml, CA:μl) | 1.6 ± 0.41 | 1.5 ± 0.39 | − 3.0 ± 5.8 | − 3.6 ± 2.1 | ||
Bias ± 1.96SD | − 0.021 ± 0.36 | 0.61 ± 13.6 | ||||
Mean flow | ||||||
(M1:ml/s, CA: μl /s) | 1.7 ± 0.45 | 1.7 ± 0.41 | − 3.0 ± 6.1 | − 3.9 ± 2.4 | ||
Bias ± 1.96SD | − 0.010 ± 0.37 | 0.90 ± 15 | ||||
Mean velocity (cm/s) | 27 ± 3.4 | 29 ± 4.3 | − 0.078 ± 0.18 | − 0.16 ± 0.13 | ||
Bias ± 1.96SD | 1.3 ± 3.9 | 0.78 ± 5.4 | ||||
Peak velocity (cm/s) | 90 ± 31 | 101 ± 30 | − 9.7 ± 1.9 | − 8.8 ± 2.9 | ||
Bias ± 1.96SD | − 1.57 ± 108 | − 0.91 ± 4.7 | ||||