Table 1 Imaging Parameters
Parameter | 1Dir PC-CMR | 3Dir PC-CMR |
|---|---|---|
Temporal Resolution (ms) | 52.25 | 37.12 |
TE (ms) | 2.3 | 2.77 |
TR | 5.23 | 4.64 |
Lines per segment | 5 | 2 |
Flip Angle | 25° | 15° |
Echo asymmetry | 33% before echo | 33% before echo |
Bandwidth (Hz/pixel) | 420 | 558 |
Venc (cm/s) | 150–500 | 150–500 |
Slice Thickness (mm) | 8.0 | 8.0 |
Triggering | Retrospective | Prospective |
Matrix | 144 × 192 | 128 × 160 |
FOV (mm) | 284 × 374 | 250 × 313 |
Pixel dimensions (mm x mm) | 1.97 × 1.95 | 1.95 × 1.96 |
Acceleration factor | GRAPPA R = 2 | VISTA R = 8 |
Average scan time | 17Â s | 10s |