Gadobutrol Precedes Gd-DTPA in Abdominal Contrast-Enhanced MRA and MRI: A Prospective, Multicenter, Intraindividual Study
Table 1
Sequence parameters for MRA and MRI.
Pre- and gadolinium-enhanced T1-weighted imaging
Pre- and gadolinium-enhanced MRA asset
Repetition time (ms)
4.74–5.41
2.94–3.02
Echo time (ms)
2.38
0.97–1.04
Flip angle (degree)
10
22–25
Bandwidth (Hz/pixel)
260
449
Acquisition matrix (pixel)
288 × 179,320 × 110
384 × 202,384 × 264
Field of view (mm2)
528 × 576,320 × 160
384 × 252,384 × 264
Slice thickness (mm)
2–2.8
1.2–1.4
Acquisition time (s)
18–22
19
No. of sections
72–96
80–88
MRA, magnetic resonance angiography; volumetric interpolated breath-hold examination is used for pre-T1-weighted imaging (WI) and gadolinium-enhanced T1WI; Fl3d1 is used for pre-MRA and enhanced MRA.
