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Table 1

From: Rapid flow assessment of congenital heart disease using high spatio-temporal gated spiral phase-contrast MR

  Free-Breathing PCMR Standard Breath-hold PCMR Spiral Breath-hold PCMR
TE/TR (ms) ~2.2 / 7.0 ~2.2 / 7.0 2.1 / 8.0
Spiral Readouts - - 36
Acceleration factor 2 (GRAPPA) 2 (GRAPPA) 3 (SENSE)
Matrix Size 256 x 192 192 x 113 256 x 256
FOV (mm) 200 - 400 290 - 400 400
Rectangular FOV (%) 75 66 100
Readouts per segment 3 4 2
Pixel bandwidth (Hz/pixel) 543 543 1220
VENC (cm/s) 180 - 400 180 - 400 180 - 400
NSAs 3 1 1
Gating Retrospective Retrospective Prospective
Total Scan Duration (s) 44 - 144 11 - 24 3 - 8
Voxel Size (mm) ~ 0.8 - 1.5 ~ 1.5 - 2.1 1.6
Temporal resolution ~ 30.0 ms ~ 40.0 ms 32.0 ms