液体衰减反转恢复高信号血管征在短暂性脑缺血发作责任血管病变中的预测价值  

The predictive value of FVH in the status of responsible vessels in patients with transient ischemia attack

作　　者：虎玉龙 穆学涛 杨春华[1] 郝万庆 张立涛[1] 哈若水[1] 朱蓉蓉[1] HU Yulong;MU Xuetao;YANG Chunhua;HAO Wanqing;ZHANG Litao;HA Ruoshui;ZHU Rongrong(Medical Imaging Center,the People’s Hospital of Ningxia Hui Autonomous Region,Yinchuan 750002,China;MR Room,the Third Medical Center of PLA General Hos pital,Beij ing 100039,China)

机构地区：[1]宁夏回族自治区人民医院医学影像中心,宁夏银川750002 [2]中国人民解放军总医院第三医学中心磁共振科,北京100039

出　　处：《实用放射学杂志》2020年第6期863-866,共4页Journal of Practical Radiology

基　　金：宁夏回族自治区人民医院培育振兴科研项目(201827);宁夏医学影像临床研究中心创新平台建设项目(2018DPG005066);宁夏自然科学基金项目(NZ17188)。

摘　　要：目的探讨液体衰减反转恢复高信号血管征(FVH)在短暂性脑缺血发作(TIA)患者责任血管病变中的预测价值。方法选取TIA患者共40例,均行常规MRI扫描及全脑血管壁成像,根据有无FVH,分为FVH组与对照组,最终纳入FVH组15例,对照组25例。采用独立样本t检验分析FVH组与对照组大脑中动脉血管狭窄率之间的差异,P<0.05,差异有统计学意义;采用χ2检验分析FVH组与对照组大脑中动脉合并易损斑块阳性率的差异,P<0.05,差异有统计学意义。结果FVH组大脑中动脉狭窄率大于对照组大脑中动脉血管狭窄率;FVH组大脑中动脉合并易损斑块阳性率高于对照组,P<0.05,结果有统计学意义。结论TIA患者出现FVH应被视为一种“高危”信号,此征象预示患者责任血管严重狭窄且合并易损斑块几率较大,建议采用MR血管壁成像技术进一步评估TIA患者责任血管狭窄程度及分析斑块性质。Objective To explore the value of fluid attenuated inversion recovery vascular hyperintensity(FVH)in predicting the state of responsible vessels in patients with transient ischemia attack(TIA).Methods 40 patients with TIA were collected and underwent the conventional MRI and brain vessel wall imaging scan.15 patients with FVH sign were selected as the FVH group and 25 without FVH sign as the control group.Independent sample t-test was used to compare the differences of vascular stenosis rate in the middle cerebral artery between FHV and control group,and chi-square test was applied to compare the differences of positive rate of vulnerable plaques between these two groups.Results The stenosis rate of the middle cerebral artery in FVH group was higher than that in the control group.Moreover,the positive rate of vulnerable plaques in FVH group was higher than that in the control group.And there were significant differences between these two groups.Conclusion The presence of FVH sign should be considered as the“high-risk”signal in TIA patients,which indicates severe stenosis and high probability of vulnerable plaques in responsible vessels.MR vessel wall imaging technology can further assess the degree of responsible vascular stenosis in TIA patients and analyze the nature of plaque accurately.

关 键 词：液体衰减反转恢复高信号血管征 血管壁成像 短暂性脑缺血发作 

分 类 号：R445.2[医药卫生—影像医学与核医学] R743[医药卫生—诊断学]