Table 3 The acquisition parameters in four MR sequences.
2D-cine bTFE | 3D-bTFE | 3D-TFE | CE-MRA | |
---|---|---|---|---|
TR/TE(ms) | 3.5/1.7 | 4.7/2.4 | 5.6/1.7 | 2.0/1.1 |
Flip Angle (degrees) | 60 | 90 | 30 | 35 |
FOV | 220–300 | 260–400 | 260–400 | 260–400 |
Number of slice | 12–16 | 70–90 | 70–90 | 70–90 |
Acquired voxel sizes (mm3) | 1.3 × 1.6 × 6–8 | 1.0–1.3 × 1.0–1.3 × 1.0–1.3 | 1.0–1.3 × 1.0–1.3 × 1.0–1.3 | 1.3 × 1.3 × 1.8 |
Reconstructed voxel sizes (mm3) | 1.0 × 0.9 × 6–8 | 0.57 × 0.57 × 1.0–1.3 | 0.57 × 0.57 × 1.0–1.3 | 0.76 × 0.76 × 0.9 |
SENSE acceleration factor | 2.0 | 2.0 | 2.0 | 1.8 |
number of signal acquisitions | 3–4 | 1 | 1 | 1 |
Navigator gating | No | yes | yes | No |
ECG triggering | yes | yes | yes | No |