Table 1 Imaging parameters used with the standard (st-GrE) and high-resolution (kt _BLAST -SSFP) sequences

Acquired spatial resolution

2.6 × 2.8 × 10 mm

1.7 × 1.9 × 10 mm

Echo time (TE)

shortest (range 1.61–1.91 ms)

shortest (range 1.29–1.59 ms)

Repetition time (TR)

shortest (range 3.6–3.9 ms);

shortest (range 2.59–3.18 ms)

Flip angle

18°

50°

Prepulse

90°

90°

Prepulse delay*

100 ms

100 ms

Acceleration technique

SENSE: factor 2

kt-BLAST factor 5 with 11 training profiles (effective k-t factor 3.8).

Image acquisition time

140–152 ms

80–99 ms

Water-fat shift

0.438pixel

0.165pixel

Bandwidth

496 Hz

1316 Hz