Table 1 Imaging parameters of modified REACT-non-CE-MRA and 4D CE-MRA. FOV = field of view. TR = repetition time. TE = echo time

Acquisition matrix

235 × 299 × 100

268 × 268 × 25

Resolution [mm]

1.7 × 1.7 × 1.7

1.5 × 1.5 × 4

FOV [mm]

400 × 508 × 170

400 × 400 × 100

Flip Angle [deg]

10

30

TR/TE1/TE2 [ms]

6.3/1.8/4

2.8/1.05

T2 preperation [ms]

30

–

k-space lines per heartbeat

35

–

Acceleration factor

Compressed SENSE 9

SENSE 3

Temporal resolution

–

1 s

Nominal scan time [min]

02:11

~ 0:24

Subtraction

–

CE – native