近10年来蛛网膜下腔出血(SAH)的发病率尚未下降,文献报道为十万分之十一,据美国统计每年大约有2万人患SAH。在SAH的头2局,患者多因出血的直接后果、脑血管痉挛和脑梗塞,再出血而死亡。急性SAH的治疗应包括改善脑水肿、降颅压,纠正水电解质平衡紊乱,避免脑梗塞和防治再 The incidence of subarachnoid hemorrhage (SAH) in the recent 10 years has not yet dropped, reported in the literature as 11 per 100,000, according to the United States statistics about 20,000 people suffering from SAH each year. In the first two innings of SAH, most patients died due to the immediate consequences of bleeding, cerebral vasospasm and cerebral infarction, and then bleeding. Treatment of acute SAH should include the improvement of cerebral edema, reduce intracranial pressure, correct water and electrolyte balance disorders, to prevent cerebral infarction and control and then