Table 3 The acquisition parameters in four MR sequences.

From: Diagnostic Accuracy of Three-dimensional Turbo Field Echo Magnetic Resonance Imaging Sequence in Pediatric Tracheobronchial Anomalies with Congenital Heart Disease

 

2D-cine bTFE

3D-bTFE

3D-TFE

CE-MRA

TR/TE(ms)

3.5/1.7

4.7/2.4

5.6/1.7

2.0/1.1

Flip Angle (degrees)

60

90

30

35

FOV

220–300

260–400

260–400

260–400

Number of slice

12–16

70–90

70–90

70–90

Acquired voxel sizes (mm3)

1.3 × 1.6 × 6–8

1.0–1.3 × 1.0–1.3 × 1.0–1.3

1.0–1.3 × 1.0–1.3 × 1.0–1.3

1.3 × 1.3 × 1.8

Reconstructed voxel sizes (mm3)

1.0 × 0.9 × 6–8

0.57 × 0.57 × 1.0–1.3

0.57 × 0.57 × 1.0–1.3

0.76 × 0.76 × 0.9

SENSE acceleration factor

2.0

2.0

2.0

1.8

number of signal acquisitions

3–4

1

1

1

Navigator gating

No

yes

yes

No

ECG triggering

yes

yes

yes

No

  1. TR, repetition time; TE: echo time; FOV: field of view.