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为了解呼吸道感染的病原菌分布，对１０４例下呼吸道、肺部感染的患者进行了调查。结果表明：①急性或慢性下呼吸道、肺部感染急性发作的住院患者老年人＞中年人＞青年人；②各种肺炎（其中肺癌引起的叶、段性肺炎占肺炎患者的３８４％）居多，慢支、肺气肿、肺心病次之，其它原因较少；③引起感染的可疑菌株以条件致病菌丙型链球菌和卡他双球菌复合感染或二者合并其他病菌感染明显高于别的菌株单独感染；④院内感染以肠杆菌＞Ｇ＋和Ｇ－球菌＞霉菌。提示条件致病菌、肠杆菌在下呼吸道、肺部感染及院内感染中占的比例增加
To understand the distribution of pathogens in respiratory infections, 104 patients with lower respiratory tract and lung infections were investigated. The results showed that: ① acute or chronic lower respiratory tract, acute pulmonary infection in hospitalized elderly> middle-aged> young people; ② a variety of pneumonia (lung cancer caused by lobular, segmental pneumonia accounted for 38.4% of patients with pneumonia, ), Chronic bronchitis, emphysema, pulmonary heart disease, and other reasons less; ③ suspected strains caused by infection of opportunistic pathogens C streptococci and catarrhal double infection or both combined with other bacteria infection significantly Higher than other strains alone; ④ nosocomial infection with Enterobacter> G + and G-coccus> mold. Prompt conditions pathogens, Enterobacteriaceae in the lower respiratory tract, lung infections and nosocomial infections in the proportion of increase