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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