为了探讨脑血管病性痴呆病人的发病规律、临床特点及预后,我们将一年内在我科住院治疗的患两次以上脑血栓形成的病例出现痴呆表现的20例,分析报告如下。临床资料病例选择:选自我科1985、6～1986、6收治的具有痴呆临床表现的患两次以上脑血栓形成的病例,均为男性(因我组无女病床), In order to explore the pathogenesis, clinical features and prognosis of patients with cerebrovascular dementia, we will present 20 cases of dementia in more than two cases of cerebral thrombosis in our department in one year. The analysis report is as follows. Clinical data Case selection: From our department 1985,6 ~ 1986,6,6 admitted with clinical manifestations of dementia with more than two cases of cerebral thrombosis, were men (because I had no female patients bed),