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Table 1 CMR acquisition and reconstruction parameters

From: Fetal hemodynamics and cardiac streaming assessed by 4D flow cardiovascular magnetic resonance in fetal sheep

CMR Acquisition and Reconstruction parameters

 

4D flow [Range]

2D PC [Range]

FOV (cm)

26–35 × 26–40 × 7.2–9.0

24 × 16.6

Spatial resolution (mm)

1.2–1.5 × 1.2–1.5 × 1.3–1.5

1.0 × 1.0 × 5.0

TR (ms)

8.2–10.9

5.59

TE (ms)

3.1–4.1

3.18

α (°)

8

30

Cardiac Frames

8

15

Reconstructed temporal resolution (ms)

45–62

24–33

Acquisition time (min)

6.5–8 (one VENC, 3 subjects);

1.83 (3 averages)

15–19 (two VENC, 6 subjects)

VENC (cm/s)

100–150 (one VENC, 4 subjects);

50–150

50,150 (two VENC, 6 subjects)

  1. FOV field-of-view; TE echo time; TR repetition time; VENC velocity encoding