This study explores impact factors of the quality of 3.0T non-contrast agent magnetic resonance coronary angiography (MRCA), and uses an objective standard for assessing the image quality. A retrospective review was conducted on 72 patients who successfully completed 3.0T MRCA, and the correlation between their image quality and their clinical data, scan sequence, parameter settings, imaging technology and other factors were analyzed.The study found that BMI and respiratory motion were the key factors that affect the quality of non- contrast agent coronary MRA on 3.0T MRI. The mDixon-TFE imaging method can be used for MRCA as a routine scanning sequence.
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