Table 1 Pulse Sequence Parameters for Segmented bSSFP and Radial GRAPPA Techniques

Field of view (mm²)

300-380 × 200-285

300-400 × 240-300

Voxel size (mm^3)

1.5-1.8 × 1.9-2.2 × 5.0-7.0

2.1-2.5 × 2.1-2.5 × 5.0-7.0

Repetition time (msec)

1.2-1.3

1.3-1.5

Echo spacing (msec)

2.5-3.0

2.6-3.1

Section thickness (mm)

5-7

5-7

Base resolution (matrix size)

160-176

128-160

Radial views

N/A

144

Flip angle (°)

90

60

Acceleration factor

iPAT = 2

Radial Grappa Acceleration R = 9-12

Bandwidth (Hz/px)

920

680-1302

Temporal resolution (msec)

21-23

31-50

Scan time (sec per slice)

10-15 (breath-hold)

14-15 (non breath-hold)