Objective to investigate the pathogens and prognosis of nosocomial lower respiratory tract infection (NLRTI).
目的了解医院下呼吸道感染(NLRTI)的病原菌和预后特点。
RESULT After the filter used, the rate of nosocomial lower respiratory tract infection is reduced obviously, and breathing circuit almost have no bacteria colonized.
结果使用生物过滤器后医院下呼吸道感染发生率显著下降，呼吸回路螺纹管内几乎无细菌寄居。
OBJECTIVE to study the distribution and drug resistance of nosocomial infection pathogens from lower respiratory tract in senile patients and give draft preventive and control measures.
目的探讨老年患者下呼吸道感染常见病原菌的分布及耐药状况，制定针对性预防与控制措施。
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