Table 1 Protocol parameters
2D Segmented (GRAPPA) | 2D (GRAPPA) | 2D (TGRAPPA) | 3D (TGRAPPA) | |
|---|---|---|---|---|
TR/TE (ms) | 2.84/1.2 | 2.4/1.04 | 2.3/1 | 2.9/1.44 |
Temporal Resolution (ms) | 29.9 (interpolated) | 45.8 | 46.6 | 51.84 |
FOV | 340 × 276 | 340 × 289 | 340 × 288 | 380 × 306 |
Slice/Partition Thickness (mm) | 8 | 8 | 7 | 6 |
Voxel Size (mm3) | 2.5 × 1.8 × 8.0 | 2.3 × 2.1 × 8.0 | 3.6 × 2.4 × 7.0 | 3.1 × 2.6 × 6.0 |
Acceleration Factor | GRAPPA 2 (Integrated Reference Lines) | GRAPPA 4 (separate reference lines and shared phases) | TGRAPPA 2 × 2 | TGRAPPA 2 × 2 (Non-isotropic) |
Triggering | Retrospective | Prospective | Prospective | Prospective |
Number of Breath holds | 10 | 1 | 1 | 1 |