Table 1 Scan and reconstruction parameters for the 4D-flow measurement
From: Simultaneous measurements of 3D wall shear stress and pulse wave velocity in the murine aortic arch
Parameter | HS/LT-res. reconstruction | LS/HT-res. reconstruction |
|---|---|---|
Repetition time [ms] | 3.0 | 3.0 |
Echo time [ms] | 1.1 | 1.1 |
Flip angle [°] | 15 | 15 |
Number of readout points | 140 | 140 |
Number of projections | 1.6 ∙ 105 | 1.6 ∙ 105 |
Number of velocity Encoding steps | 4 (balanced 4-point encoding) | 4 (balanced 4-point encoding) |
Encoding velocity [cm/s] | 125 | 125 |
Field of view [mm3] | 25 × 25 × 4 | 25 × 25 × 4 |
Slab thickness [mm] | 4 | 4 |
Measurement time [min] | 32 (+ 3 min for B0 map) | 32 (+ 3 min for B0 map) |
Spatial resolution | 100 µm | 147 µm |
N frames per cycle | 20 | 200 |
Selection window | 1/20 | 1/33 |