Table 1 4D-flow MRI sequence parameters.

From: On the impact of vessel wall stiffness on quantitative flow dynamics in a synthetic model of the thoracic aorta

 

High temp-res

Baseline temp-res

Low temp-res

FoV (\(\mathrm {mm}^3\))

\(360\times 260\times 100\)

\(360\times 260 \times 100\)

\(360\times 260\times 100\)

Acquisition matrix

\(144\times 104\times 40\)

\(144\times 104\times 40\)

\(144\times 104\times 40\)

Spatial resolution (mm)

2.5 isotropic

2.5 isotropic

2.5 isotropic

Lines per segment

1

2

3

Reconstructed frames

50

25

16

Temporal resolution (ms)

20

40

62.5

TE/TR (ms)

2.8/5.2

2.8/5.2

2.8/5.2

\(V_{enc}\) (cm/s)

120

120

120

Flip angle (\(\circ\))

15

15

15

BW (Hz/px)

451

451

451

Scan time (mm:ss)

42:40

21:20

14:40

  1. Three data sets were acquired with each model, resulting in a total of nine datasets available for analysis. Variations in effective temporal resolution were controlled by the number of acquired k-space lines per segment, and the number of reconstructed cardiac frames was adapted accordingly. FOV field of view, TE echo time, TR repetition time, \(V_{enc}\) velocity encoding range, BW bandwidth.
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