内科医院感染状况及危险因素研究

The Risk Factor of NI in Internal Medicine Department

目的 了解内科医院感染的发生与分布 ,并分析其危险因素。 方法 对 1787例内科住院病人的病历资料进行流行病学调查 ,并对查出的医院感染患者进行 1∶ 1配对病例对照研究。 结果 医院感染率为 4 .0 9% ;感染部位构成为呼吸道 4 5 .5 2 % ,伤口 15 .86 % ,消化道 12 .4 1% ;病原菌送检率为 2 4 .6 6 %。多因素分析结果显示内科发生医院感染的主要危险因素为泌尿道插管、基础疾病严重程度。 结论 内科是医院感染的重要科室 ,应针对本科室的主要危险因素加强医院感染的控制。另外医院感染病例漏报率高 。

Objective To discover the risk factor of Nosocomial Infection(NI) in internal medicine Dept. Methods Our study was retrospective over a year. We selected the inpatients of 5 hospitals by randomly stratified sampling method to make a descriptive study. We also adopted 1∶1 paired case-control study to analyze the main risk factors in internal medicine. Result The incidence rate of NI in internal medicine is 4.09%. The most frequent site of NI was respiratory tract (45.52%), followed by surgical wound infection(15.86%). The pathogen test rate is 24.66%. The risk factors in internal medicine are catheterization in urinary tract, severity of illness. Conclusion Internal medicine is a main department of NI, we should strengthen the surveillance and adopt effective measures to avoid NI.