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MRI of the Coronary Vessel Wall at 3 T: Comparison of Radial and Cartesian k-Space Sampling

¹ Department of Diagnostic and Interventional Radiology, Center of Diagnostic Imaging and Intervention, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, Hamburg 20246, Germany.
² Department of Medical Physics, Cambridge University Hospitals, NHS Foundation Trust, Cambridge, United Kingdom.
³ Department of Cardiology/Angiology, Center of Diagnostic Imaging and Intervention, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
⁴ Roentgeninstitut, 40476 Duesseldorf, Germany.

OBJECTIVE. The purpose of our study was to compare the quality of 3D gradient-echo images obtained using radial versus cartesian k-space sampling at 3 T.

CONCLUSION. This study shows that the quality of coronary vessel wall imaging of the right coronary artery with radial k-space sampling in 3D turbo field-echo sequences is superior to cartesian k-space sampling at 3 T. Radial k-space sampling at 3 T makes it possible to combine low motion artifact susceptibility with high signal-to-noise ratio.

Keywords: cardiac imaging • cardiovascular imaging • coronary vessels • heart • MR angiography • MRI

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				R. J. Gibbons, P. A. Araoz, and E. E. Williamson The Year in Cardiac Imaging J. Am. Coll. Cardiol., September 4, 2007; 50(10): 988 - 1003. [Full Text] [PDF]