凝固酶阴性葡萄球菌 (CNS)是人类及动物皮肤上的正常菌群之一。 70年代以前 ,CNS引起的感染仅偶有报道 ,临床常把 CNS视为污染菌。然而 ,80年代后期 ,随着医学领域的扩展 ,CNS已逐渐成为医院感染的菌血症及其他相关假体手术设备所致感染的病原菌。已见报道的感染有菌血症、自身 Coagulase-negative staphylococci (CNS) are one of the normal flora on human and animal skin. Before the 1970s, the infection caused by CNS was reported only occasionally. CNS was often regarded as a contaminant in clinical practice. However, with the expansion of the medical field in the late 1980s, CNS has gradually become the pathogen of nosocomial bacteremia and infection caused by other prosthetic devices. Has been reported in the bacteremia infection itself