目的总结重症监护病房气管切开病人下呼吸道病原菌耐药性状况。
Objective to summarize the drug resistance of pathogen in lower respiratory tract of the patients with tracheotomy in intensive care unit (ICU).
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。
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.
目的了解医院下呼吸道感染(NLRTI)的病原菌和预后特点。
Objective to investigate the pathogens and prognosis of nosocomial lower respiratory tract infection (NLRTI).
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