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目的探讨成年人多次医院感染的危险因素,为降低医院感染提供参考。方法对2015年1月~12月福建医科大学附属第二医院住院患者的医院感染发生情况进行统计,分析多次医院感染区别于单次医院感染的易感因素。结果共发生医院感染1 226例,医院感染率2.24%,医院感染例次为1 368例次,医院感染例次率2.49%。住院时间≥30天、首次感染时间≥30天、Ⅲ类手术切口、感染科室为外科者的多次医院感染率最高,分别为25.5%、23.2%、16.7%、13.4%。logistic回归分析结果显示,经性别、年龄调整后,住院时间较长是医院感染成年患者发生多次医院感染的独立危险因素[OR=3.475,95%CI(2.545,4.745)]。结论住院时间较长的成年患者发生多次医院感染的危险较高,应尽量缩短住院时间,减少与医院环境的接触,进而控制多次医院感染的发生。
Objective To explore the risk factors of multiple nosocomial infections in adults and provide reference for reducing nosocomial infection. Methods The incidence of nosocomial infections in hospitalized patients in the Second Affiliated Hospital of Fujian Medical University from January to December in 2015 was analyzed. Susceptibility factors of nosocomial infections in multiple nosocomial infections were analyzed. Results A total of 1 226 hospital infections, 2.24% hospital infections, 1 368 hospital infection cases and 2.49% hospital infection cases were found. Hospitalization ≥30 days, the first infection ≥30 days, class Ⅲ surgical incision, department of infection as the highest rate of multiple hospital infections, were 25.5%, 23.2%, 16.7%, 13.4%. Logistic regression analysis showed that the longer hospital stay after sex and age adjustment were independent risk factors for nosocomial infections in hospital-acquired adult patients (OR = 3.475, 95% CI 2.545, 4.745). Conclusion Adult patients with longer hospital stay are at higher risk of multiple nosocomial infections. Hospitalization should be shortened as much as possible to reduce contact with the hospital environment and thus control multiple hospital infections.