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在住医院治病期间,所感染的疾病即院内感染。院内感感的发生率较高,据美国的疾病预防中心调查,在住院100名患者中约有6名发生。而且在院内感染发病者中死亡率为3%,作为感染的部位,尿路感染占1/2,术后感染1/4,肺炎1/8,败血症1/16。所谓院内感染,是有患者自身原来就存在的微生物成为致病菌的内因性和不是来自患者的外因性。院内感染的2/3是内因性,
During hospital treatment, the infected disease is nosocomial infection. The incidence of hospital sentiment is high, and according to a survey by the Centers for Disease Control and Prevention in the United States, approximately 6 out of 100 hospitalized patients have occurred. Moreover, the mortality rate was 3% in patients with nosocomial infections. As the site of infection, urinary tract infection accounted for 1/2, postoperative infection 1/4, pneumonia 1/8, and sepsis 1/16. The so-called nosocomial infection is caused by the fact that the microorganisms originally present in the patient become the internal cause of pathogenic bacteria and are not caused by external factors of the patient. 2/3 of nosocomial infections are internal factors.