Table I.
Thoracic | Cerebrovascular | |
---|---|---|
Acquisition system | Siemens Sola | Siemens Skyra |
Field strength [T] | 1.5 | 3 |
Spatial resolution [mm] | 3 | 0.98 |
Temporal resolution [ms] | 55 | 42–86 |
Velocity encoding [cm/s] | 150 | 120 / 60 |
TR / TE [ms] | 4.1 / 6.3 | 5.7–6.6 / 3.1–4.4 |
Flip angle [◦] | 15 | 15 |
Gating | Retrospective ECG | Prospective ECG |
Acceleration | Compressed sensing | k-t GRAPPA |
Acceleration factor | 7.6 | 5 |
TR: repetition time; TE: echo time; ECG: electrocardiogram.