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蛛网膜下腔出血系指脑的表面和脑的底部血管破裂,血液流入蛛网膜下腔而言。不包括外伤性蛛网膜下腔出血和继发于脑实质出血的蛛网膜下腔出血。现就其病因、发病、症状、分类、循环状态、合并症、预后及治疗等进展情况综述如下。一、病因蛛网膜下腔出血最常见的原因是脑动脉瘤,其次是高血压动脉硬化,脑血管畸形,烟雾病,血液病,颅内肿瘤,脑动静脉的炎症性及过敏性疾患等。国内外都认为脑动脉瘤的破裂是蛛网膜下腔出血的主要原因,但各家统计的比例不一样。美国调查5,831例蛛网膜下腔出血,脑动脉瘤占51％,有人报告高达89％,
Subarachnoid hemorrhage refers to the surface of the brain and the bottom of the brain blood vessels rupture, the blood flow into the subarachnoid space. Excludes traumatic subarachnoid hemorrhage and subarachnoid hemorrhage secondary to cerebral parenchymal hemorrhage. Now on its etiology, pathogenesis, symptoms, classification, circulatory status, complications, prognosis and treatment progress is summarized below. First, the causes of subarachnoid hemorrhage is the most common cause of cerebral aneurysms, followed by hypertensive arteriosclerosis, cerebrovascular malformations, moyamoya disease, hematological diseases, intracranial tumors, cerebral arteriovenous inflammation and allergic disorders. Domestic and foreign believe that the rupture of cerebral aneurysm is the main reason for subarachnoid hemorrhage, but the proportion of each statistic is not the same. The United States investigated 5,831 cases of subarachnoid hemorrhage, 51% of cerebral aneurysms, and some reported up to 89%