近年来 ,由于ＣＴ和ＭＲＩ的广泛应用和对脑梗死病理生理研究的深入 ,溶栓疗法治疗急性脑梗死重新受到重视。国内的溶栓治疗仍处于探索阶段 ,用药途径、时间、剂量仍是关键。我们采用尿激酶对急性脑梗塞病人 ,按不同剂量 ,随机经颈动脉、肢体静脉进行溶栓治疗 ,设对照组 ,三组 In recent years, due to the extensive application of CT and MRI and pathophysiology of cerebral infarction in depth, thrombolytic therapy for acute cerebral infarction re-attention. Domestic thrombolytic therapy is still in the exploration stage, route of administration, time, dosage is still the key. We use urokinase in patients with acute cerebral infarction, according to different doses, randomized thrombolysis of the carotid artery, limb vein, the control group, three groups