关键词: 动脉瘤性蛛网膜下腔出血, 持续腰大池引流术, 分流依赖性脑积水

Abstract: ［Abstract］ Objective To analysis of the effect of timing of permanent lumbar drainage afteraneurysmal subarachnoid hemorrhage on shunt-dependent hydrocephalus in patients. Methods A retrospective analysis was performed in 178 patients with aneurysmal subarachnoid hemorrhage from September 2015 to September 2017. According to the length of the lumbar drainage after subarachnoid hemorrhage，the patients were divided into three groups，group A（within 24 hours，n=56），group B（between 24 hours to 72 hours，n=79），group C（more than 72 hours，n=43）. Shunt?dependent hydrocephaluswas recorded. Results The shunt-dependent hydrocephalus occurred in the three groups：5 patients in group A（8.9%），8 patients in group B（10.1%），and 12 patients in group C（27.9%）. There was a significant difference in the incidence of shunt-dependent hydrocephalus between the three groups（P< 0.05）. Conclusion Continuous lumbar drainage should be performed as early as possible after aneurysmal subarachnoid hemorrhage to preventing from shunt?dependent hydrocephalus.

Key words: continuous lumbar drainage, shunt-dependent hydrocephalus, aneurysmal subarachnoid hemorrhage