蛛网膜下腔出血(SAH)引起迟发性脑血管痉挛引起的剧烈头痛,常导致人烦躁不安,不能人睡,致加重高血压,诱发再出血,增加死亡率和致残率。近年来对迟发性脑血管痉挛的形成原因有大量的研究,而对头痛的治疗方法研究不多,效果不令人满意。我们试用地塞米松鞘内注射治疗SAH引的头痛效 Subarachnoid hemorrhage (SAH) causes severe headache due to delayed cerebral vasospasm, often leading to restlessness, inability to sleep, exacerbation of high blood pressure, rebleeding, increased mortality and morbidity. In recent years, there are a lot of researches on the causes of delayed cerebral vasospasm, but few studies on the treatment of headache, the results are not satisfactory. We tried dexamethasone intrathecal injection of SAH cited headache effect