1) early stage lyse embolus 早期溶栓治疗1. Objective:It is to study the clinical curative effect of early stage lyse embolus treatment for acute ischemia cerebrovascular dieases with Tian Long Defibrase for Injection. 目的:主要探讨天龙降纤酶早期溶栓治疗急性缺血性脑血管病的临床疗效。