Table 1 Imaging parameters used for static and cine images
Static imaging | Cine-imaging | ||
|---|---|---|---|
Imaging parameters | UTE | Mid resolution UTE | High resolution UTE |
Coil/Magnetic Field | Volumetric/ 4.7, 7, 9.4 T | Volumetric/9.4 T phased array/ 4.7, 7 T | phased array/7 T |
TR/TE (ms) | 4.5/0.031 | 3.5/0.031 | 3.5/0.031 |
Excitation Pulse/ duration (ms) / FA° | square / 0.05 / 15° | square / 0.05 / 15° | square / 0.05 / 15° |
Field of view (mm) | 30 × 30 × 30 | 20 × 20 × 20 | 20 × 20 × 20 |
Matrix | 128 × 128 × 128 | 128 × 128 × 128 | 192 × 192 × 192 |
Number of projections | 51360 | 18144/cine | 52540/cine |
Resolution (μm) | 234 × 234 × 234 | 156 × 156 × 156 | 104 × 104 × 104 |
Bandwith (Hz/Pixel) | 781 | 781 | 520 |
Triggering | No | ECG | ECG |
Cine images (N) | - | 10 | 10 |
Excitations (N) | 1 | 1 | 1 |
Total acquisition time | 3 min 51 s | 11 min 20 s | 32 min 50 s |