DMCA
MR Coronary Vessel Wall Imaging using radial k-Space Sampling and Steady-State Free-Precession
BibTeX
@MISC{Katoh_mrcoronary,
author = {M. Katoh and E. Spuentrup and A. Buecker and M. Stuber and R. W. Guenther and R. M. Botnar},
title = {MR Coronary Vessel Wall Imaging using radial k-Space Sampling and Steady-State Free-Precession},
year = {}
}
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Abstract
We investigated the impact of radial k-space sampling and steady-state free-precession (SSFP) technique on image quality in 3D MRI of the coronary vessel wall. In eleven volunteers the right coronary artery vessel wall was studied using three different navigator-gated free-breathing black-blood sequences (Cartesian and radial gradient-echo (GRE) sequences, and radial SSFP). SNR and vessel sharpness as well as the subjective motion artifact level were analyzed. Motion artifacts were significantly reduced using radial k-space sampling. Superior SNR was found for SSFP-imaging. No difference was seen for vessel border definition among the three sequences.
Keyphrases
radial k-space sampling steady-state free-precession mr coronary vessel wall imaging different navigator-gated free-breathing black-blood sequence radial gradient-echo superior snr right coronary artery vessel wall subjective motion artifact level motion artifact coronary vessel wall radial ssfp image quality eleven volunteer
