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Abstract #1275

Accuracy of Magnetic Resonance Imaging to Identify the Coronary Artery Plaque: A Comparative Study with Intravascular Ultrasound

Yi He1, Zhaoqi Zhang1, Qinyi Dai1, Jing An2, Lixin Jin3, Renate Jerecic3, Debiao Li4

1Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China, People's Republic of; 2Siemens Mindit Magnetic Resonance, Siemens Healthcare, MR Collaboration NE Asia, Shenzhen, China, People's Republic of; 3Siemens Limited China, Siemens Healthcare, MR Collaboration NE Asia, Shanghai, China, People's Republic of; 4Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, United States

This study evaluated the ability of black blood coronary arterial wall MRI to identify the coronary artery plaque, using intravascular ultrasound (IVUS) as the golden standard. The vessel cross-sectional area (CSA), luminal CSA, maximal wall thickness, plaque burden of MRI cross-section coronary wall imaging in 19 patients were compared with IVUS. And It showed a good agreement between IVUS and MRI with regard to extent of wall thickening although MRI overestimated plaque burden and degree of luminal stenosis, which is the difference in spatial resolution between techniques.