我们自1990—1992年观察治疗82例老年椎—基底动脉缺血性眩晕患者,其中42例用蝮蛇抗栓酶治疗,30例用复方丹参治疗,发现蝮蛇抗栓酶治疗组总有效率大于复方丹参治疗组,两组疗效相差非常显著(P<0.005).1 临床资料1.1 蝮蛇抗酸酶组:男33例,女9例,年龄在65—80岁,复方丹参组:男26例,女4例,年龄60—72岁.1.2 诊断依据:两组均经临床确诊为椎一基底动脉缺血性眩晕(均表现为眩晕、恶心、均排除美尼尔氏综合证,前庭神经元炎,脑肿瘤等疾病). We observed from 1990 to 1992, 82 cases of elderly patients with vertebrobasilar ischemic vertigo, of which 42 were treated with viper antithrombolytic enzyme, 30 patients treated with compound Salvia and found that viper antithrombotic treatment group, the total effective rate (P <0.005) .1 Clinical data 1.1 viper antacid enzyme group: 33 males and 9 females, aged 65-80 years old, the compound Danshen group: male 26 Cases, 4 females, aged 60-72 years 1.2 Diagnostic criteria: Both groups were clinically diagnosed as vertebrobasilar ischemic vertebral vertigo (all showed dizziness, nausea, were excluded Meniere’s syndrome, vestibular nerve Yuan Yan, brain tumors and other diseases).