MRI sequence parameters
| Sequence | Repetitiontime (TR) (ms) | Echo time (TE) (ms) | Flip angle | Acquired voxel size (mm) | Reconstructed voxel size (mm) | Other parameters |
| September 2014 to November 2015 (n=18, 26%), adult 32-channel head coil | ||||||
| T1-weighted (magnetisation prepared rapid acquisition gradient echo) | 17 | 4.6 | 13° | 0.82×0.97×1 | 0.82×0.82×0.5 | TI: 1465 ms |
| T2-weighted (fast-spin echo) | 14 473 | 160 | 90° | 1.15×1.18×2 | 0.86×0.86×2 | – |
| Diffusion-weighted imaging | 7536 | 49 | 90° | 2×2×2 | 1.75×1.75×2 | 32 directions, b=0, 750 s/mm2 |
| Susceptibility-weighted imaging (spoiled gradient-recalled echo) | 32 | 25 | 12° | 0.45×0.45×1.8 | 0.4×0.4×1.8 | – |
| Venogram | 18 | 6.7 | 10° | 0.9×0.9×2 | 0.44×0.44×1 | Phase contrast velocity 15 cm/s |
| November 2015 to November 2017 (n=52, 74%), neonatal 32-channel head coil and positioning device20 | ||||||
| T1-weighted (magnetisation prepared rapid acquisition gradient echo) | 11 | 4.6 | 9° | 0.81×0.8×0.8 | 0.76×0.76×0.8 | TI: 714 ms |
| T2-weighted multislice turbo spin echo, sagittal and axial, combined in reconstruction | 12 | 156 | 90° | 0.81×0.82×1.6 | 0.8×0.8×0.8 | – |
| Diffusion-weighted imaging72 | 3800 | 90 | 90° | 1.5×1.5×3, slice gap −1.5 mm | 1.17×1.17×3, slice gap −1.5 mm | 300 directions, b=0, 400, 1000, 2600 |
| Susceptibility-weighted imaging (spoiled gradient-recalled echo) | 32 | 25 | 12° | 0.45×0.45×1.8 | 0.4×0.4×1.8 | – |
| Venogram | 18 | 6.7 | 10° | 0.9×0.9×2 | 0.44×0.44×1 | Phase contrast velocity 15 cm/s |