Table 1 Imaging parameters
2D-SSFP | Accelerated k-t SENSE | |
|---|---|---|
ECG triggering | Retrospective | Prospective |
TE/TR (ms) | 1.7/3.4 | 1.7/3.4 |
FOV (mm) | 320 × 360 | 320 × 360 |
Image matrix | 192 × 192 | 176 × 192 |
Spatial resolution (mm) | 1.67 × 1.87 | 1.82 × 1.87 |
Temporal resolution (ms) | 49 | 37 |
Slice thickness/spacing (mm) | 10/0 | 10/0 |
Flip angle (°) | 60 | 60 |
Bandwidth (Hz/pixel) | 977 | 1302 |
Cardiac phases (n) | 25 | 32 |
View sharing (segments) | 14 | 11 |
Breath-holds (n) | 10–12 | 5–6 |
Slices per breath-hold | 1 | 2 |
Acceleration factor | Parallel imaginga | 4x |
Acquisition duration (s) | 161 ± 25 | 67 ± 14 |