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目的了解医院环境携带耐甲氧西林金黄色葡萄球菌(MRSA)状况,制定防控措施。方法采用现场采样和细菌分离鉴定技术,对渝西地区部分医院环境物体表面和室内空气进行采样监测。结果在4所医院共采集各种标本768份,检出金黄色葡萄球菌70株,检出率为9.11%;其中鉴定出MRSA 59株,占84.29%。50.85%的MRSA分离自室内空气,医务人员手和病房内物品表面均检出MRSA。结论该地区医院环境携带MRSA情况较严重,特别要加强室内空气和医务人员卫生管理,防控MRSA医院感染的发生。
Objective To understand the situation of carrying methicillin-resistant Staphylococcus aureus (MRSA) in hospital environment and to develop prevention and control measures. Methods Sampling and monitoring were performed on the surface and indoor air of environmental objects in some hospitals in western part of Chongqing by field sampling and bacterial isolation and identification techniques. Results A total of 768 specimens were collected from 4 hospitals. 70 strains of Staphylococcus aureus were detected, with a detection rate of 9.11%. 59 strains of MRSA were identified, accounting for 84.29%. 50.85% of MRSA were isolated from indoor air, and MRSA was detected on the surface of medical staff’s hands and wards. Conclusions MRSA in the hospital environment is more serious in this area. In particular, health management of indoor air and medical staff should be strengthened to prevent and control MRSA nosocomial infection.