Table 1 Quality parameters of images and flow velocity maps
From: Cardiac 4D phase-contrast CMR at 9.4 T using self-gated ultra-short echo time (UTE) imaging
SNR LV | SNR MC | CNR | Gating efficiency [%] | k-space coverage [%] | Flow velocity noise [cm/s] | Peak flow velocity AAO [cm/s] | Peak flow velocity PMA [cm/s] | |
|---|---|---|---|---|---|---|---|---|
4D PC UTE (n = 5) | 8.9 ± 2.5 | 15.7 ± 1.9 | 7.8 ± 2.4 | 61.8 ± 11.5 | 85.1 ± 8.4 | 3.2 ± 1.1 | 132.8 ± 18.3 | 78.5 ± 15.4 |
4D PC Cartesian FLASH (n = 5) | 5.6 ± 1.2 | 10.1 ± 1.4 | 4.5 ± 2.2 | 48.5 ± 4.9 | 100.0 ± 0.0 | 10.8 ± 6.8 | 134.7 ± 13.4 | 86.6 ± 6.2 |