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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
  1. Quality parameters of images and flow velocity maps averaged over all performed measurements: signal-to-noise ratio (SNR), left ventricular cavity (LV), myocardium (MC), contrast to noise ratio (CNR), pulmonary artery (PMA) and ascending aorta (AAO)