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Abstract #4134

Comparative analysis of the imaging quality in magnetic resonance coronary angiography with 3D mDIXON and B-TFE sequence on 3T

Gang Zhang1, Wei Xing2, Tingting Li2, Yan Zheng1, Ying Huang2, Junjing He2, and Xiuzheng Yue3
1The First Affiliated Hospital of Henan University of CM, Zhengzhou, China, 2Department of Magnetic Resonance, The First Affiliated Hospital of Henan University of CM, Zhengzhou, China, 3Department of Magnetic Resonance, Philips Healthcare, Zhengzhou, China

Synopsis

Due to the narrow diameter, tortuous route of coronary arteries, and the interference of respiration and heartbeats during scanning, MR coronary angiography (MRCA) remains challenge. In 3.0T MR systems, an improved 3D Balanced Turbo Field Echo (B-TFE) sequence is often used for MRCA[1,2], however, 3D mDIXON sequences have been applied for clinical application recently.[3,4] In this study, the subjective imaging quality, objective imaging quality and image authenticity indexes of MRCA with two imaging sequences were compared to analysis. Results showed that B-TFE had better subjective evaluation than mDixon, but mDIXON had better objective quality evaluation for SNR and CNR.

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