Table 1 Detailed imaging parameters for SS-EPI DWI, RESOLVE DWI, and TGSE-BLADE DWI.

From: Comparison of TGSE-BLADE DWI, RESOLVE DWI, and SS-EPI DWI in healthy volunteers and patients after cerebral aneurysm clipping

Parameter

SS-EPI DWI

RESOLVE DWI

TGSE-BLADE DWI

b value (s/mm2)

0, 1000

0, 1000

0, 1000

TR (ms)

5000, 5500*

4560, 6240*

7000, 7700*

TE (ms)

53, 77*

55, 64*

46, 61*

FA (degrees)

NA

180

120

FOV(mm)

220 × 220

220 × 220

220 × 220

Phase resolution (percentage)

80

100

NA

Partial Fourier

7/8

Off

Off

Interpolation

On

Off

Off

Matrix

320 × 320

160 × 160

160 × 160

Slice thickness(mm)

3

3

3

Number of slices

35

35

35

Voxel size (mm3)

0.7 × 0.7 × 3.0

1.4 × 1.4 × 3.0

1.4 × 1.4 × 3.0

Bandwidth(Hz/pixel)

1202

679

520

NEX

4

1

1

Parallel imaging

GRAPPA 3x

GRAPPA 2x

NA

Turbo factor

NA

NA

13

EPI factor

128

80

3

Readout segments

NA

7

NA

Fat suppression

CHESS

CHESS

CHESS

Acquisition time

1m47s

2m50s, 3m52s*

3m53s, 4m16s*

  1. *Parameters for MAGNETOM Skyra. repetition time, TR; echo time, TE; flip angle, FA; field of view, FOV; number of excitations, NEX; echo planar imaging, EPI; chemical shift selective, CHESS.