目的研究重症监护室(ICU)导管相关的感染性疾病的危险因素,提出预防对策。方法采取回顾性调查方法,对该医院ICU收治的导管留置患者的病例资料进行对比分析。结果调查发现引发导管相关感染的主要危险因素是置管时间过长,原发疾病的种类,置管的方式等。结论引发导管相关性血流感染的危险因素比较明确,应有针对性地制定预防措施和规范操作流程。 Objective To study the risk factors of catheter-related infectious diseases in intensive care unit (ICU) and propose preventive measures. Methods A retrospective investigation was conducted to compare and analyze the case data of catheter indwelling patients admitted to the hospital ICU. Results The survey found that the main risk factors that lead to catheter-related infections are the long time of catheterization, the type of primary disease and the way of catheterization. Conclusions The risk factors of catheter-related bloodstream infections are relatively clear. Preventive measures and standard operation procedures should be formulated.