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由于医疗技术的不断发展,重大手术及器官移植的开展,许多侵袭性诊疗手段的推广以及抗生素、免疫抑制剂的广泛应用等,医院感染已成为近代医学中的一个突出问题。它不仅给病人增添额外的痛苦和医疗费用,而且延长住院时间,严重者还导致治疗失败甚至死亡。世界范围内的研究表明,医院内感染的流行率平均为9％,也就是有140多万人有院内感染。流行病学初步调查结果表明,我国的医院感染相当严重。全面开展对医院感染的监测,探明其易感因素,发病机理和常见的病原菌,
Due to the continuous development of medical technology, the development of major surgeries and organ transplants, the promotion of many invasive medical treatments, and the widespread application of antibiotics and immunosuppressants, nosocomial infection has become a prominent issue in modern medicine. It not only adds extra pain and medical expenses to the patient, but also prolongs the hospitalization time. In severe cases, it leads to treatment failure and even death. Worldwide research shows that the prevalence of nosocomial infections averages 9%, that is, more than 1.4 million people have nosocomial infections. Preliminary epidemiological investigation results show that nosocomial infections in our country are quite serious. To comprehensively monitor the nosocomial infection, to identify its susceptibility factors, pathogenesis and common pathogens,