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目的调查河南省郑州市某医院神经外科一起由肺炎克雷伯菌引起的医院感染暴发的原因。方法采用查阅病历和现场采样相结合的方法进行调查。结果该科2015年7月29-8月12日连续4例患者皮下积液标本中培养出肺炎克雷伯菌,耐药率基本相同。采集医疗环境标本,于病房门把手、卫生间门把手各检出1株目标菌。4例患者经抗菌药物治疗后,感染得到有效控制;病区经严格消毒后,环境卫生学监测结果均合格。结论环境污染是此次感染暴发的主要原因,应重视环境及物体表面的消毒,预防和控制医院感染。
Objective To investigate the causes of outbreaks of nosocomial infections caused by Klebsiella pneumonia in a department of neurosurgery in a hospital in Zhengzhou City, Henan Province. Methods The methods of referring to medical records and on-site sampling were used to investigate. Results The department of Klebsiella pneumoniae was cultured in four consecutive patients with subcutaneous fluid samples from July 29 to August 12, 2015. The rates of drug resistance were basically the same. Collection of medical specimens, the door handle in the ward, the bathroom door handle each detected a target bacteria. After 4 patients were treated with antibiotics, the infection was effectively controlled. After strict disinfection of the ward, the environmental hygiene monitoring results were qualified. Conclusion Environmental pollution is the main reason for the outbreak of infection. Environmental protection and disinfection of the surface of objects should be emphasized to prevent and control nosocomial infections.