Table 1.
Sequence parameters for T1 mapping using MOLLI and SASHA techniques
| Sequence parameter | MOLLI | MOLLI | SASHA | SASHA |
|---|---|---|---|---|
| HR < 90 | HR > 90 | HR < 90 | HR > 90 | |
| FOV (mm) | 360 × 270 | 360 × 270 | 360 × 270 | 360 × 270 |
| Matrix | 256 × 144 | 192 × 120 | 256 × 144 | 192 × 120 |
| Resolution (mm) | 1.4 × 1.9 | 1.9 × 2.3 | 1.4 × 1.9 | 1.9 × 2.3 |
| Slice thickness (mm) | 8 | 8 | 8 | 8 |
| TE (msec) | 1.12 | 1.01 | 1.12 | 1.01 |
| TR (msec) | 2.7 | 2.44 | 2.7 | 2.44 |
| Flip angle (o) | 35 | 35 | 70 | 70 |
| Acquisition window (msec) | 167 | 126 | 167 | 126 |
| Parallel imaging acceleration | 2 | 2 | 2 | 2 |
| Partial Fourier | 7/8 | 7/8 | 7/8 | 7/8 |
Sequence parameters for T1 mapping using MOLLI and SASHA techniques, which were tailored to the subjects’ baseline heart rate in order to optimize resolution for HR < 90, and HR > 90 for each technique. FOV field of view, TE echo time, TR repetition time