临床资料本文对311例脑血栓形成危险因子进行临床分析,其中男196例,女115例,男:女=1.6:1,40岁以上者占93.9％,此同国外报道。发病前危险因子:冠心病62例(20％),高血压176例(56.5％),小卒中57例(18.3％),糖尿病25例(8％)。其中为半球症状的小卒中44例,表现为癫痫的小卒中3例,表现为眩晕和倾倒发作的分别为4例和5例。其高血压史患者中 Clinical data 311 cases of cerebral thrombosis risk factors for clinical analysis, of which 196 were male and 115 female, male: female = 1.6: 1, 40 years old accounted for 93.9%, with the foreign reports. Pre-morbid risk factors included coronary heart disease in 62 (20%), hypertension in 176 (56.5%), stroke in 57 (18.3%) and diabetes in 25 (8%). Among them, 44 were minor hemispheric symptoms, and 3 were minor epilepsy, showing vertigo and drowsiness as 4 and 5 respectively. Its history of hypertension in patients