Abstract: SAH is one of common hemorrhagic cerebrovascular diseases with severe complications. Many survivors are left with persistent neurological deficit and reduced quality of life. Researchers at home and abroad have been committed to exploring effective diagnosis and treatment of SAH to improve the clinical outcomes of patients. This guideline has formed evidence-based recommendations in comprehensive management of SAH, especially in diagnosis and severity assessment, multidisciplinary collaboration, measures to prevent rebleeding and complication managements, in order to provide standardized guidance for clinical practice of SAH in China. 

Key words: Subarachnoid hemorrhage; Recommendation; Diagnosis; Treatment; Prognosis

摘要： SAH是一种常见的出血性脑血管病，多合并复杂严重的并发症，往往导致神经功能缺损残留，严重影响日常生活质量。因此，国内外研究者一直积极探索针对SAH有效的诊断及治疗方案以改善患者临床转归。本指南基于循证原则，就SAH诊断及严重程度评估、多学科诊疗配置、预防再出血治疗及并发症管理等多个方面形成了推荐意见，旨在为我国SAH临床实践提供规范化指导。

关键词: 蛛网膜下腔出血; 建议; 诊断; 治疗; 预后