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目的用头颅ＣＴ和ＳＰＥＣＴ观察比较老年缺血性中风的临床表现、治疗和预后情况，比较二者的异同和优缺点，以及ｒＣＢＦ、ＣＴ病灶与脑功能改变之间的内在联系。方法对９０例临床诊断的老年缺血性中风患者同时进行头颅ＣＴ和ＳＰＥＣＴ检查，并与临床症状、体征进行相关研究。结果９０例老年缺血性中风患者的头颅ＣＴ及ＳＰＥＣＴ异常率分别为７４．４４％和９５．５５％；ＣＴ、ＳＰＥＣＴ病灶和临床的符合率分别为６８．２０％和９７．５６％。结论ＳＰＥＣＴ可以对早期中风患者做出预警性诊断，并可以发现ＣＴ所不能发现的远隔损害。ＳＰＥＣＴ比ＣＴ对老年缺血性中风的诊断阳性率高且出现早，并可动态观察治疗和预后的情况
Objective To compare the clinical manifestations, treatment and prognosis of elderly patients with ischemic stroke by CT and SPECT. Compare the similarities, differences, advantages and disadvantages, and the intrinsic relationship between rCBF, CT lesions and brain function changes. Methods A total of 90 patients with senile ischemic stroke were examined by CT and SPECT at the same time, and their clinical symptoms and signs were studied. Results The head CT and SPECT abnormalities in 90 elderly patients with ischemic stroke were 74.44% and 95.55% respectively. The coincidence rates of CT, SPECT and clinical findings were 68.20% and 97.56% respectively. Conclusion SPECT can make early warning diagnosis for patients with early stroke and can detect distant injury that CT can not detect. SPECT than CT in the diagnosis of senile ischemic stroke, the positive rate is high and early, and dynamic observation of the treatment and prognosis