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Characteristics of cerebral perfusion and diffusion associated with crossed cerebellar diaschisis after acute ischemic stroke

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作者：

机构： [1]Department of Radiology, Xuanwu Hospital, Capital Medical University, Changchun Street, No. 45, Beijing 100053, China [2]Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing 100053, China [3]Department of Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Changchun Street, No. 45, Beijing 100053, China [4]Department of Neurology, Xuanwu Hospital, Capital Medical University, Changchun Street, No. 45, Beijing 100053, China

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关键词： Apparent diffusion coefficient Crossed cerebellar diaschisis CT perfusion Magnetic resonance imaging Stroke

摘要：

Purpose: We aimed to investigate the possible factors associated with the occurrence of crossed cerebellar diaschisis (CCD) at the hyperacute stage of ischemic stroke using whole-brain volume perfusion CT (VPCT) combined with magnetic resonance imaging (MRI). Materials and methods: We retrospectively analyzed 108 patients with ischemic stroke within 6 h of onset. The VPCT findings of the patients showed a unilateral perfusion deficit in the supratentorial territory. Follow-up MRI examinations were performed within 24 h after onset. The effects of the supratentorial cerebral ischemia, the location distribution, the final infarct volume and the apparent diffusion coefficient (ADC) value on the occurrence and severity of CCD were analyzed. Results: Among 108 patients with hyperacute cerebral ischemia, 62 (57.4%) demonstrated a contralateral cerebellar perfusion deficit on the VPCT maps. The occurrence of CCD was related to a reduction in cerebral blood volume (CBV) and prolongation of the mean transit time (MTT). Notably, the decrease in the ADC value in the infarct based on follow-up MRI was closely related to the occurrence and severity of CCD. Conclusion: The occurrence and severity of CCD are related to the degree of low supratentorial perfusion and the decrease in the ADC value of infarct focus. © 2019, Japan Radiological Society.

基金：

基金编号： Grant No.81671662

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出版当年[2019]版：

大类 | 4 区医学

小类 | 4 区核医学

最新[2023]版：

大类 | 4 区医学

小类 | 4 区核医学

JCR分区：

出版当年[2018]版：

Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

最新[2023]版：

Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子： 2.9 最新[2023版] 2.8 最新五年平均 1.5 出版当年[2018版] 1.187 出版当年五年平均 1.044 出版前一年[2017版] 1.439 出版后一年[2019版]

第一作者：

第一作者机构： [1]Department of Radiology, Xuanwu Hospital, Capital Medical University, Changchun Street, No. 45, Beijing 100053, China [2]Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing 100053, China

通讯作者：

通讯机构： [1]Department of Radiology, Xuanwu Hospital, Capital Medical University, Changchun Street, No. 45, Beijing 100053, China [2]Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing 100053, China [3]Department of Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Changchun Street, No. 45, Beijing 100053, China

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