浅析CT灌注成像联合CT血管造影在诊断短暂性脑缺血发作中的应用.docVIP

精品论文 参考文献 浅析CT灌注成像联合CT血管造影在诊断短暂性脑缺血发作中的应用 　望奎县人民医院 152100 　　摘要：目的：研究分析短暂性脑缺血发作经CT灌注成像联合CT血管造影诊断的临床应用价值。方法：此次研究的对象是选取56例短暂性脑缺血发作患者进行研究，对其CT灌注成像资料和CT血管造影资料进行分析比较。结果：①经比较，镜像区与患侧的CBV水平不存在明显差异（Pgt;0.05），但CBF水平高于患侧，MTT低于患侧，差异明显均有统计学意义（Plt;0.05）。②经比较，不同分期的CBV无明显差异，但Ⅰ期的CBF高于Ⅱ期，而Ⅰ期MTT低于Ⅱ期，均存在明显差异（Plt;0.05）。③经比较，CT血管造影显示，有43例为责任血管狭窄，CT灌注成像则有37例异常，阳性率为86.05%；CT血管造影显示，有13例责任血管无狭窄，CT灌注成像则有4例异常，阳性率为30.77%；组间差异明显（Plt;0.05）。结论：短暂性脑缺血发作的血流动力学诊断中，CT灌注成像技术具有显著效果，在对病因诊断和病情评估方面，CT血管造影诊断准确率较高，二者联合应用具有非常重要的价值，适合临床进步推广应用。 　　关键词：CT灌注成像；CT血管造影；短暂性脑缺血发作 　　[Abstract]Objective：To study the clinical value of CT perfusion imaging combined with CT angiography in the diagnosis of transient ischemic attack.Methods：the study was conducted in 56 patients with transient ischemic attack，the CT perfusion imaging data and CT angiography data were analyzed and compared.Results：there was no significant difference in CBV level between the image area and the affected side（Pgt;0.05），but the CBF level was significantly higher than that of the patients with MTT，and the difference was statistically significant（Plt;0.05）.By comparison，there were no significant differences in CBV in different stages，but I was higher than that in stage I，and I had a significant difference（Plt;0.05）between MTT and CBF in the second phase.The comparison of CT angiography showed that 43 cases were responsible for vascular stenosis，CT perfusion imaging was abnormal in 37 cases，the positive rate was 86.05%；CT angiography showed that 13 cases of vascular stenosis，CT perfusion imaging was abnormal in 4 cases，the positive rate was 30.77%；significant difference between groups（Plt;0.05）.Conclusion：hemodynamic diagnosis of transient ischemic attack，CT perfusion imaging technology has significant effect in the diagnosis and assessment of disease，CT angiography in the diagnosis of high accuracy，has a very important value of the combination of the two，suitable for clinical application progress. 　　[Key words]CT perfusion imaging；CT angiography；t