Objective To estimate the epidemiology and clinical characteristics of patients with head injuries in Wenchuan Earthquake. Methods A comprehensive study of clinical data and literature meta - analysis evaluation of the 2008 - 2011 published articles on the traumatic brain injuries caused by the Wenchuan earthquake were carried out. Results Totally 68 retrieved documents met the essential requirements.According to the literature inclusion criteria,there were 18 papers were enrolled into the standard meta- analysis.They were sampled from all 3 involved provinces as Sichuan,Shanxi and Gansu.And this covered the 26 earthquake hit and severe hit regions.As the cumulative statistical showed that the earthquake injured 32 415 people,in which 5 559 people had head injuries ( 17.1％ ).The Male:female ratio was 1.53:1.The mild earthquake caused head injuries accounted for 69.4％,moderate 21.0％,and severe 9.6％.The open head injuries accounted for 17.7％ and combined injuries accounted for 54.7％.The mortality rate of earthquake caused head injury mortality rate was 0.16％.Conclusions Head injuries caused by the Wenchuan earthquake have some characteristics such as the high incidence,the complicated injury mechanism,combined injuries,nulti - injuries,rapid clinical changes and so on.And to improve the emergency response to victims of disaster in different stages’ hospitals would play greatly important role in increasing the rescue survival and reducing the disability and death rate.%目的 总结汶川地震致颅脑损伤( ERHI)患者的流行病学特征及临床特点.方法 对2008年至2011年公开发表的汶川地震致颅脑创伤相关研究文献进行荟萃分析和再评价.结果 共检索文献68篇,根据录入标准18篇论文进入荟萃分析,样本涉及四川、陕西、甘肃3省,涵盖地震极重灾区和重灾区26个,统计地震伤员32 415人,其中颅脑损伤5 559人(占17.1％).男:女=1.53:1.其中轻型ERHI占69.4％,中型21.0％,重型9.6％；开放性颅脑损伤占17.7％；复合伤占54.7％；ERHI病死率为0.16％.结论 汶川地震ERHI具有致伤机制复杂,伤情变化快,合并损伤多等特点,提高各级医院应对突发灾害能力,对提高抢救存活率,降低致残率、病死率具有重要意义.
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