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Abstract #4118

Diagnostic value of diffusion-weighted MR imaging in acute myocardial infarction

Zhenfeng Lv1, Lianming Wu2, Jilei Zhang3, Weibo Chen3, and Haikun Qi1
1School of Biomedical Engineering, ShanghaiTech University, Shanghai, China, 2Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, 3Philips Healthcare, Shanghai 200040, P. R. China, Shanghai, China


Diffusion-weighted imaging (DWI), being able to detect the diffusion of water molecules in the tissue, is one of the potential techniques for the diagnosis of myocardial infarction without contrast agent administration. In this study, we investigated the diagnostic value of the mono-exponential and stretched exponential DWI model in the assessment of acute myocardial infarction. The preliminary results from 10 patients showed that the diffusion parameters were significantly lower in the infarcted region, and both models had capability of diagnosing acute myocardial infarction with the stretched exponential model performing slightly better.

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