后循环缺血性脑卒中患者椎-基底动脉粥样硬化斑块的高分辨率磁共振成像特征

沈卫忠; 宋爽; 严海浪; 李寅

doi:10.7619/jcmp.202018002

后循环缺血性脑卒中患者椎-基底动脉粥样硬化斑块的高分辨率磁共振成像特征

南京医科大学附属江苏盛泽医院放射科, 江苏苏州, 215228

基金项目:

江苏省苏州市吴江区“科教兴卫”项目(wwk201713)

详细信息

通讯作者:
严海浪, E-mail: 13584272062@163.com

中图分类号: R743.3
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出版历程
- 收稿日期: 2020-07-02

Characteristics of vertebral-basal atherosclerotic plaque by high-resolution magnetic resonance imaging in patients with posterior circulation ischemic stroke

Department of Radiology, Jiangsu Shengze Hospital Affiliated to Nanjing Medical University, Suzhou, Jiangsu, 215228

摘要

摘要: 目的分析后循环缺血性脑卒中患者椎-基底动脉粥样硬化斑块在高分辨率磁共振成像(HR-MRI)下的特征。方法回顾性分析76例(共计128个斑块)后循环缺血患者的临床特征及影像学特征。根据影像学资料及症状体征的不同将患者分为卒中组(42例, 81个斑块)和非卒中组(34例, 47个斑块),均采用HR-MRI进行脑部血管检查。分析2组患者的一般资料、斑块分布情况和斑块HR-MRI特征。结果 2组糖尿病、高血压以及高脂血症情况比较,差异有统计学意义(P<0.05); 2组粥样斑块分布部位比较,差异无统计学意义(P>0.05), 均好发于左侧椎动脉及基底动脉; 卒中组患者斑块负荷、斑块强化数占比均高于非卒中组,差异有统计学意义(P<0.05)。结论后循环众多血管中,椎-基底动脉是最常受累的血管,对后循环缺血性脑卒中患者椎-基底动脉粥样硬化斑块进行HR-MRI特征分析,能够了解其危险程度及预后情况。
- 后循环缺血性脑卒中 /
- 高分辨率磁共振成像 /
- 椎-基底动脉 /
- 动脉粥样硬化斑块
Abstract: Objective To investigate the characteristics of vertebral-basal atherosclerotic plaque under high-resolution magnetic resonance imaging in patients with posterior circulation ischemic stroke. Methods The clinical and imaging characteristics of 76 patients(128 plaques in total)with posterior circulation ischemia were retrospectively analyzed. According to imaging data, symptoms and signs of patients, they were divided into stroke group(n=42, 81 plaques)and non-stroke group(n=34, 47 plaques). Brain vascular examination was performed using HR-MRI. The general information, plaque distribution, and HR-MRI characteristics of plaques in the two groups were analyzed. Results There were significant differences in diabetes, hypertension and hyperlipidemia between the two groups(P<0.05). Plaques usually occur in the left vertebral artery and basilar artery, but no difference in the distribution of atherosclerotic plaque between the two groups was found(P>0.05). The ratios of patients with plaque load and plaque enhancement in the stroke group were significantly higher than that in the non-stroke group(P<0.05). Conclusion The vertebral-basal arteries are the most frequently affected posterior circulation vessels. Analysis of the HR-MRI characteristics of the vertebral-basal artery atherosclerotic plaques in patients with posterior circulation ischemic stroke can help to understand the degree of risk and prognosis.
- posterior circulation ischemic stroke /
- high-resolution magnetic resonance imaging /
- vertebrobasilar artery /
- atherosclerotic plaque

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