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目的 探讨肺结核并医院内下呼吸道感染的主要病原菌和危险因素。方法 以 4 6例肺结核并医院内下呼吸道感染病例的痰培养结果与空气培养结果比较 ,并以医院感染组与住院对照组在年龄、病程、病灶范围、合并症、治疗措施、抗菌药物使用、住院时间、免疫功能 8个方面进行分析。结果 痰培养以 G-杆菌医院感染组占 5 6 .7% ,空气培养 9.8% ,差异有显著性 P<0 .0 0 1;医院感染组与对照组在年龄等 8个方面的差异均有显著性。结论 肺结核并医院下呼吸道感染主要以 G-杆菌感染为主 ,与自身基础疾病因素、治疗、免疫功能有关。
Objective To investigate the main pathogens and risk factors of pulmonary infection in lower respiratory tract infection in hospitals. Methods The sputum culture results of 46 cases of pulmonary tuberculosis and lower respiratory tract infection in hospital were compared with those of air culture. The age, course of disease, range of focal lesion, complications, treatment measures, antibacterial drug use, Hospitalization time, immune function 8 aspects of analysis. Results The sputum culture accounted for 56.7% of the patients infected with G-bacilli in the hospital and 9.8% in the air, the difference was significant (P <0.01). There were 8 differences in the age, etc. between the hospital infection group and the control group Significance. Conclusions Pulmonary tuberculosis and lower respiratory tract infection in hospital are mainly caused by G-bacilli, which are related to their underlying diseases, treatment and immune function.