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目的探讨短暂性脑缺血 (TIA)发作与其引发的急性脑梗死的类型、面积及近期预后的关系。方法根据 12 5例急性脑梗死患者发病前 3日内有无TIA分为A组和B组 ,并对两组梗死类型、临床特点及近期预后进行比较。结果有TIA组多为腔隙性梗死 ,梗死面积小 ,与无TIA组比较 ,差异有显著性意义 (P <0 .0 5 ) ;其舒张压、甘油三酯、低密度脂蛋白、血糖水平亦低 ,与无TIA组比较 ,差异有显著性意义 (P <0 .0 5或P <0 .0 1)。结论TIA发作可以提高脑细胞对严重缺血的耐受性和脑循环的储备力 ,限制梗死范围的延展 ,缩小梗死范围 ,进而改善脑梗死患者的近期预后。
Objective To investigate the relationship between transient ischemic attack (TIA) and the type, area and immediate prognosis of acute cerebral infarction. Methods According to whether TIA was divided into A group and B group within 3 days before the onset of disease in 125 acute cerebral infarction patients, the type, clinical features, and prognosis of the two groups were compared. Results TIA group mostly lacunar infarction, infarct size is small, compared with no TIA group, the difference was statistically significant (P <0. 05); diastolic blood pressure, triglyceride, low density lipoprotein, blood glucose levels Also lower, with no TIA group, the difference was significant (P <0.05 or P <0.01). Conclusion The onset of TIA can improve the tolerance of brain cells to severe ischemia and reserve of cerebral circulation, limit the extension of infarction range, reduce the infarct size and further improve the prognosis of patients with cerebral infarction.