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Abstract #4162

The feasibility of evaluating acute ST-segment elevation myocardial infarction by using diffusion weighted imaging and T2* mapping

Shengliang Liu1, Jianxiu Lian2, Ke Jiang2, Guokun Wang1, Yunling Li1, Xueying Wang1, Yanming Zhao1, Bing Xu1, and Bo Yu1
1Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin, China, 2Philips Healthcare, Beijing, China


Acute myocardial infarction is the result of occlusion of cardiac arteries, which leads to myocardial ischemic injury and even necrosis. Diffusion weighted imaging (DWI) and T2* mapping were performed to investigate the correlation between apparent diffusion coefficient (ADC) and T2* values in ST-segment elevation myocardial infarction (STEMI) patients here. ADC values of infarct regions were higher than those in border regions, remote regions in patients with STEMI, and also higher when compared with control group. Conversely, T2* values showed opposite trend. What’s more, there was a negative correlation between T2* and ADC values (r = 0.-734; P < .001).

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