Surgical Site Infection (SSI) is defined as an infection at the site of a surgical incision occurring within 30 days of an operation and can be classified as [1] superficial, including the skin and subcutaneous tissue, [2] deep, including the underlying muscle and fascia, or [3] space SSI, including any organs or tissues other than the muscle or fascia [1].SSI是最常见的医疗保健相关感染,导致了几种不良后果,包括增加伤口愈合时间,增加抗生素的使用,较长的医院住院以及总体上更高的医疗保健相关成本[2]。在沙特阿拉伯的一家三级医院进行的一项大型队列研究确定革兰氏阴性细菌是SSIS中最常见的致病生物,最常见的是大肠杆菌,其次是铜绿假单胞菌,铜绿假单胞菌,Klebsiella pneumoniae,Klebsiellaiae和kinetobactobactabacter baumanniai [3]。