Objective To explore characteristics and risk factors for surgical site infection(SSI)in patients in the department of neurosurgery,so as to provide theoretical basis for prevention and control of SSI.Methods Clinical data of patients who were admitted to a department of neurosurgery from January to December 2015 were collected with retrospective survey method,SSI and risk factors in patients were analyzed.Results Among 715 patients un-dergoing neurosurgery,40(5.59% )had SSI. SSI mainly occurred in patients following cerebral vascular surgery, accounting for 7 .69% ,followed by patients following intracranial tumor surgery(5 .94% ). 40 patients were all with organ space/intracranial infection. Difference in SSI in patients with different types of operation,duration of opera-tion,length of hospital stay,and National Nosocomial Infections Surveillance (NNIS)scores were all significant(all P<0.05).Conclusion Incidence of SSI in patients in the department of neurosurgery are related with operation type,duration of operation,length of hospital stay,and operation risk index,preventive measures should be taken to reduce the incidence of SSI.%目的：探讨神经外科患者手术部位感染（SSI ）的特点及危险因素，为进一步防控 SSI 提供理论依据。方法采用回顾性调查方法，收集2015年1—12月某院神经外科收治患者病例资料，分析患者SSI情况及其危险因素。结果神经外科手术患者715例，发生SSI 40例，发生率为5．59％。脑血管术后患者SSI发生率为7．69％，居首位；其次是颅脑肿瘤，发生率为5．94％。40例SSI 患者均为器官腔隙／颅内感染。不同手术类型、手术时间、住院时间、NNIS评分患者SSI发生率比较，差异均有统计学意义（均P＜0．05）。结论神经外科患者SSI发生率与手术类型、手术时间、住院时间、手术危险指数等因素有关，应采取针对性的预防措施，降低SSI发生率。
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