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目的了解住院病人下呼吸道感染发生的原因和预防对策。方法采用回顾性调查方法,对2007年该医院发生下呼吸道感染病人资料进行统计分析。结果在本次调查的309例下呼吸道感染病例中,有189例在住院期间有吸痰、留置导尿管、鼻饲管等各种不同的侵入性操作,抗菌药物使用在两种以上。有303例下呼吸道感染病人住院天数均在10d以上,住院时间1~2个月有20例,3~4个月有3例。结论吸痰、鼻饲、联合使用抗生素以及住院时间长是导致下呼吸道感染的主要因素。
Objective To understand the causes of lower respiratory tract infections in inpatients and the preventive measures. Methods A retrospective survey was conducted to analyze the data of patients with lower respiratory tract infection in the hospital in 2007. Results Among the 309 cases of lower respiratory tract infection in the survey, 189 cases were subjected to various invasive procedures such as suctioning, catheterization, and nasogastric tube during hospitalization, and antibiotics were used in two or more types. There were 303 cases of lower respiratory tract infection in patients with hospitalization days were more than 10d, hospital stay for 1 to 2 months in 20 cases, 3 to 4 months in 3 cases. Conclusions Suction, nasal feeding, combined use of antibiotics and long hospital stay are the major causes of lower respiratory tract infections.