降纤酶是蛋白水解酶。我们应用丽珠降纤酶治疗 40例急性期脑梗死 ,对患者治疗前后进行疗效评定 ,现报告如下。资料与方法1.临床资料 :入选标准 :1临床确诊的颈内动脉系统急性缺血性脑卒中 ,头颅 CT排除脑出血 ;2发病在 12小时以内 ,头颅 CT阴性或进展型卒中可延长到 2 4小时 ;3 Defibrase is a proteolytic enzyme. We apply Livzon defibrase treatment of 40 cases of acute cerebral infarction, the efficacy of treatment before and after treatment, are as follows. Materials and Methods 1. Clinical data: Inclusion criteria: 1 clinically diagnosed acute ischemic stroke of the internal carotid artery system, head CT to exclude intracerebral hemorrhage; 2 onset within 12 hours, head CT negative or progressive stroke can be extended to 2 4 hours; 3