Table 1.
Imaging parameters of SMS-RESOLVE DWI and RESOLVE DWI
| Parameter | SMS-RESOLVE | RESOLVE |
|---|---|---|
| TR (ms) | 4000 | 6750 |
| TE (ms) | 72 | 69 |
| Slices | 30 | 30 |
| Slice thickness (mm) | 3 | 3 |
| Distance factor (%) | 10 | 10 |
| Voxel size (mm3) | 1.1 × 1.1 × 3.0 | 1.1 × 1.1 × 3.0 |
| Fat suppression | Fat sat | Fat sat |
| Readout segments | 5 | 5 |
| Readout partial Fourier acquisition | 7/8 | 7/8 |
| FOV (mm2) | 220 × 220 | 220 × 220 |
| Averages | b0 = 2, b1000 = 2 | b0 = 2, b1000 = 2 |
| GRAPPA acceleration factor | 2 | 2 |
| Slice acceleration factor | 2 | – |
| Acquisition time (min:s) | 3:41 | 5:46 |
SMS simultaneous multi-slice, RESOLVE readout segmentation of long variable echo-trains, DWI diffusion-weighted imaging, TR repetition time, TE echo time, FOV field of view, GRAPPA generalized auto calibrating partially parallel acquisitions.