不稳定性心绞痛极易发展为心肌梗死和猝死,发病率高。曾被称为“濒临心肌梗死”和“冠脉堵塞”,对其有效的防治极其重要,可防止和减少急性心肌梗死发病和病死订。本院应用精制蝮蛇抗栓酶治疗90例不稳定性心绞痛,现就其疗效结果,报告如下。1资料与方法1·1临床资料病例选择依据 Unstable angina easily develop myocardial infarction and sudden death, the incidence of high. Have been called “on the verge of myocardial infarction” and “coronary occlusion,” its effective prevention and treatment is extremely important to prevent and reduce the incidence of acute myocardial infarction and death set. The hospital application of purified viper antithrombin enzyme treatment of 90 cases of unstable angina, is the result of its efficacy, the report is as follows. 1 Materials and Methods 1.1 Clinical data cases based on