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Table 1 CMR scan protocol

From: Aortic length measurements for pulse wave velocity calculation: manual 2D vs automated 3D centreline extraction

 

PC-CMR

2D cine

2D GRE

DIR-TSE

DIR-TSE

3D bSSFP

CE-MRA

Cohort

all

HATS-1

HATS-2

HATS-1

HATS-2

CoA

CoA

TE (ms)

2.7 ± 0.2

1.8 ± 0.3

1.3

13.4 ± 0.5

5.0

1.5 ± 0.2

1.1 ± 0.1

TR (ms)

4.5 ± 0.4

3.7 ± 0.6

4

1684 ± 242

1330 ± 466

3.6 ± 0.2

3.8 ± 0.1

Acquisition

Oblique-sagittal, single-slice

Oblique-sagittal, single-slice

Oblique-sagittal, single-slice

Axial, multi-slice

Axial, multi-slice

Coronal, 3D volumetric acquisition

Coronal, 3D volumetric acquisition

Acquired resolution (mm)

2.2 ± 0.1

1.4 ± 0.4

2.0

1.5 x 1.9 ± 0.1

1.0

1.4 ± 0.2

1.8

Reconstructed in-plane voxel size (mm)

1.1 ± 0.1

0.9 ± 0.3

1.8

1.1 ± 0.04

0.3

0.8 ± 0.2

1.2 ± 0.01

Slice thickness (mm)

8–10

8–10

15

5

5

1.6 ± 0.7

1.8

Temporal resolution (ms)

8.4 ± 5.5

24.5 ± 4.7

-

-

-

-

-

FA (°)

15–20

45–60

30

90

90

70

30

SENSE factor

1

1

1

1

1

1.2 ± 0.3

1.5

  1. TE echo time, TR repetition time, FA flip angle