Abstract
130 Contrast-enhanced whole-heart coronary MR angiography at 3.0 T: comparison to steady-state free precession technique at 1.5 T
Highlights
Contrast-enhanced whole-heart MRA using slow infusion of a high-relaxivity extravascular contrast agent has been shown to be a promising technique for imaging coronary arteries at 3.0 T
All studies were performed on two Siemens whole-body scanners (1.5 T: Avanto; 3.0 T: Tim Trio; Siemens Medical Solutions)
Segmented 3D Steady-state free precession (SSFP) and 3D contrastenhanced FLASH techniques were employed at 1.5 T and 3.0 T, respectively
Summary
Contrast-enhanced whole-heart MRA using slow infusion of a high-relaxivity extravascular contrast agent has been shown to be a promising technique for imaging coronary arteries at 3.0 T Steady-state free precession (SSFP) is the most commonly used method for coronary MRA at 1.5 T. A direct comparison of the two techniques will be useful to demonstrate the advantages of coronary MRA at 3.0 T. To compare contrast-enhanced whole-heart MRA at 3.0 T and non-contrast SSFP coronary MRA at 1.5 T in the same volunteers
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