住院患者医院感染调查

INVESTIGATION ON NOSOCOMIAL INFECTION OF INPATIENTS

目的了解医院感染发生的情况,为做好医院感染防控工作提供参考。方法采用回顾性调查方法,对2007-2009年本医院住院患者的医院感染情况进行了调查与分析。结果该医院在2007-2009年期间,住院患者共43 773例,发生医院感染983例,医院感染平均发生率为2.25%;连续3年的医院感染率之间无明显差别。感染部位以呼吸道为主,下呼吸道与上呼吸道感染率分别为29.70%和15.36%;其次是手术切囗,感染率为17.40%。病人感染标本检出的致病菌以革兰阴性杆菌为主,占60%以上。医院感染高危因素主要是年龄、基础疾病和抗菌药物滥用等。结论该医院连续3年医院感染发生率均低于全国平均水平,感染部位以呼吸道为主,感染致病菌以革兰阴性杆菌为主。

Objective To understand the situation of nosocomial infections so as to provide references for a better nosocomial infection control.Methods The retrospective survey was used to investigate and analyze the nosocomial infections of inpatients in this hospital from 2007-2009.Results From 2007 to 2009 in this hospital,among all the 43 773 inpatients,983 cases got nosocomial infections and the average incidence of nosocomial infection was 2.25%,which had no obvious difference in three consecutive years.The major infected site was respiratory tract and the infection rates of lower respiratory tract and the upper respiratory were 29.70% and 15.36% respectively.Secondly,the infection rate of operative incision was 17.40%.According to the infected specimens,gram-negative bacilli were the major pathogenic bacteria,which accounted for more than 60%.The infection risk factors of this hospital mainly consisted of age,basic diseases and antibiotics abuse,etc.Conclusion The nosocomial infection rate of this hospital is lower than that of the national average level for 3 consecutive years,the major infected site is respiratory tract and the main infection pathogenic bacteria is gram-negative bacilli.