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目的比较PET-CT与MRI检查短暂性脑缺血发作(TIA)后脑缺血改变的灵敏度。方法随机抽取临床明确诊断为TIA的患者96例,分别做头部PET-CT及MRI检查,比较两组诊断TIA后脑缺血改变的阳性率。所得数据采用x~2检验。应用SPSS 13.0 for Windows统计分析软件进行分析。结果应用PET-CT诊断TIA后脑缺血改变的阳性率为95.83%,应用MRI诊断的阳性率为8.33%,有明显差别(P<0.01)。结论PET-CT在检查TIA后脑缺血改变的方面上优于MRI检查。
Objective To compare the sensitivity of PET-CT and MRI in detecting cerebral ischemia after transient ischemic attack (TIA). Methods Totally 96 patients with clinically diagnosed TIA were randomly divided into PET-CT and MRI examinations. The positive rate of cerebral ischemia after the diagnosis of TIA was compared between the two groups. The data obtained using x ~ 2 test. Application SPSS 13.0 for Windows statistical analysis software for analysis. Results The positive rate of PET-CT in diagnosis of TIA was 95.83%, and the positive rate of MRI diagnosis was 8.33%. There was a significant difference (P <0.01). Conclusion PET-CT is superior to MRI in examining changes in cerebral ischemia after TIA.