Table 1.
Extended imaging parameters used for in vivo scanning
| 3T CAIPIRINHA test | 3T fixed‐TR comparison | 3T min‐TR comparison | 1.5T min‐TR comparison | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Method | RF | blip | blip | blip | blip | |||||||||
| MB factor | 2 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |
| Resolution (mm) | 2 × 2 | 2 × 2 | 2 × 2 | 2 × 2 | ||||||||||
| Slices | 6 | 12 | 12 | 12 | ||||||||||
| TE (ms) | 2 | 2 | 1.34 | 1.57 | 1.71 | 1.88 | 1.55 | 1.63 | 1.78 | 1.83 | ||||
| TR (ms) | 4 | 4 | 2.7 | 3.1 | 3.8 | 4.2 | 3.1 | 3.3 | 3.6 | 3.7 | ||||
| Flip angle (°) | 45 | 40 | 42 | 54 | ||||||||||
| Breatholds | 1 | 6 | 3 | 2 | 1 | 4 | 2 | 2 | 1 | 4 | 2 | 2 | 1 | |
| Time per BH (s) | 28.8 | 18.5 | 18.5 | 18.5 | 27.7 | 18.0 | 21.0 | 16.0 | 30.0 | 19.6 | 22.9 | 15.3 | 26.2 | |
| Total scan dur. (s) | 28.8 | 110.8 | 55.4 | 36.9 | 27.7 | 72.0 | 42.0 | 32.0 | 30.0 | 78.6 | 45.8 | 30.5 | 26.2 | |