高血压脑病是因血压急剧升高,脑循环发生急性障碍,出现严重头痛、抽搐、意识障碍等症状的一种临床综合征,是高血压病人脑部出现危象的严重状态。若经迅速有效的降低血压,常可挽救患者生命;反之可能导致脑部损害不可逆转而死亡。一、病因及发病机理各种原因所致的血压突然升高,均可引起高血压脑病.但以急进型高血压病引起者最为多见。继发千急性肾小球肾炎及妊娠毒血症者亦不少见。其它还见于慢性肾脏疾病、缓进型高血压病、嗜铬细胞瘤以及柯兴氏综合征等。高血压病人漏服抗高血压药物特别 Hypertensive encephalopathy (Hypertension encephalopathy) is a clinical syndrome characterized by a sharp rise in blood pressure, acute brain injury, severe headache, convulsions and disturbance of consciousness. It is a serious condition in the brain of hypertensive patients. If quickly and effectively reduce blood pressure, can often save the lives of patients; the other hand, may lead to irreversible brain damage and death. First, the etiology and pathogenesis A sudden increase in blood pressure caused by various causes can lead to hypertensive encephalopathy, but the most common cause of acute hypertensive disease. Secondary to acute glomerulonephritis and pregnancy toxemia are not uncommon. Other also found in chronic kidney disease, jaundice hypertension, pheochromocytoma and Cushing’s syndrome. Hypertensive patients missed antihypertensive drugs in particular