Table 2.
Conventional CINE and Artificial-intelligence-assisted compressed sensing CINE image parameters
|
C-CINE
|
AI-CS-CINE
|
ECG mode | Retrospective | Retrospective |
TR/TE (millisecond) | 3.57/1.75 | 2.74/1.28 |
Image matrix | 224 × 85 | 192 × 100 |
Reconstruction matrix | 2.0 | 1.5 |
Spatial resolution (mm) | 1.89 × 1.61 | 1.88 × 1.88 |
Flip angle (°) | 80 | 60 |
Bandwidth (Hz/pixel) | 1500 | 1200 |
Temporal resolution (millisecond) | 54 | 41 |
Reconstructed cardiac phases | 25 | 25 |
Field of view (mm) | 360 × 320 | 360 × 320 |
Slice thickness (mm) | 8 | 8 |
Gap (mm) | 0 | 0 |
Number of slices | 11 | 11 |
Longest breath-hold for acquisition (second) | 11 | 11 |
Number of slices acquired per 11-sec breath hold | 1 | 6 |
Number of breath-holds | 11 | 2 |
Shortest breath-hold time to acquire one slice (second) | 11 | 2 |
Total acquisition time including breath-holds (second) | 238 | 37 |
C-CINE: Conventional CINE; AI-CS-CINE: Artificial-intelligence-assisted compressed sensing CINE.