目前,三甲医院凭借着丰富的医疗资源和较高的医疗水平已经成为患者的就医首选,同时也造成三甲医院门诊量大、住院人数多、医护人员工作量大等弊端,进而引发了以外科感染为首的院内感染。而且,随着临床抗菌药物的滥用,细菌耐药率逐年上升,进一步增加控制感染的难度。本研究对东南、西北、中南、东北、华北以及华东等地区9个大型三甲医院进行多中心回顾性分析[1],讨论外科 At present, the top three hospitals have become the patients’ first choice for medical treatment because of their abundant medical resources and high medical standards. At the same time, the top three hospital outpatients, the large number of inpatients and the heavy workload of healthcare workers have caused the problem of surgical infection Heads nosocomial infection. Moreover, with the abuse of clinical antibiotics, bacterial resistance rates increased year by year, further increasing the difficulty of controlling infection. This study conducted a multi-center retrospective analysis of 9 large-scale top three hospitals in Southeast, Northwest, Central South, Northeast, North China and East China [1]