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Abstract #2037

Different Myocardial Perfusion Status in Acute Myocardial Infarction and Infarct-like Myocarditis: A Novel Intravoxel Incoherent Motion Diffusion-Weighted Imaging based MRI Study.

Dong-Aolei An1, Bing-Hua Chen1, Tong-Tong Han2, Jian-Rong Xu1, and Lian-Ming Wu1

1Renji Hospital Shanghai Jiao Tong University School of Medicine, Shanghai, China, 2Circle Cardiovascular Imaging, Calgary, AL, Canada

This study was to evaluate the diagnostic value of myocardial perfusion in patients with acute myocardial infarction (AMI) and “infarct-like myocarditis” using IVIM-DWI imaging. And the results showed: 1. Insufficient oxygen in the necrotic or infarted myocardium might affect myocardial perfusion and function. 2. IVIM-DWI may be a reliable sequence to evaluate different myocardial perfusion patterns in acute myocardial infarction and infarct-like myocarditis. 3. Acute myocardial infarction may exhibit lower myocardial perfusion status compared with infarct-like myocarditis due to different pathophysiological process.

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