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Abstract #3801

A feasibility study of using noninvasive renal oxygenation imaging to delineate different severities of renal ischemia in atheroembolic renal disease model

Chengyan Wang1, Fei Gao2, Hanjing Kong1, Li Jiang3, Wenjian Huang1, Rui Wang4, Kai Zhao4, Yan Jia5, Hui Xu5, He Wang6, Xiaodong Zhang4, Li Yang5, Jue Zhang1,2, Xiaoying Wang1,4, and Jing Fang1,2

1Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, People's Republic of China, 2College of Engineering, Peking University, Beijing, People's Republic of China, 3Philips Healthcare, Suzhou, People's Republic of China, 4Department of Radiology, Peking University First Hospital, Beijing, People's Republic of China, 5Renal Division, Peking University First Hospital, Beijing, People's Republic of China, 6Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, People's Republic of China

Since the use of angiographic and endovascular procedures increased rapidly during the past decades, the frequency of atheroembolic renal disease raised recently. This study demonstrates the feasibility of applying an MRI based oxygenation imaging to evaluate renal ischemia in an atheroembolic renal disease model. The average renal oxygen extraction fraction (OEFs) as well as the ratios between embolized kidney and contralateral kidney show significant differences between groups. Renal OEF measurement appears to be able to delineate different severities of renal ischemia by revealing information about the balance between tubular workload and delivery of oxygen.

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