Table 1.
bSSFP cine imaging sequence parameters
| 0.55 T breath-held bSSFP cine | 1.5 T breath-held bSSFP cine | 0.55 T free breathing re-binned bSSFP cine | 1.5 T free breathing re-binned bSSFP cine | |
|---|---|---|---|---|
| Field of view (mm2) | 360 × 270 | 360 × 270 | 360 × 270 | 360 × 270 |
| Slice thickness (mm) | 8 | 8 | 8 | 8 |
| Matrix size | 256 × 192 | 256 × 140 | 192 × 108 | 192 × 119 |
| TE (ms) | 1.67 | 1.2 | 1.34 | 1.06 |
| TR (ms) | 4.1 | 2.79 | 3.24 | 2.52 |
| Acquired temporal resolution (ms) | 32 | 28 | N/A | N/A |
| Bandwidth (Hz/Px) | 350 | 1085 | 501 | 1085 |
| Parallel imaging acceleration factor | 2 | 2 | 3 | 4 |
| Seconds/slice | 9 | 8 | 18 | 16 |
| Calculated Phases | 30 | 30 | 26 | 30 |
| Flip angle (°) | 78 | 50 | 80 | 50 |
Sequence parameters for breath-held and free breathing re-binned cine acquisitions at 0.55 T and 1.5 T; bSSFP balanced steady statae free precession, TE echo time, TR repetition time