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近年来,由于氨基糖甙类抗生素、肾上隙皮质类固醇和抗代谢药物的广泛使用;厌氧菌培养技术的改进,厌氧菌得以及时分离和鉴定,厌氧菌感染的报道渐见增多,已证实厌氧菌是感染性疾病的常见病原,肺部感染也不例外,甚至是重要的致病菌,尤其是医院内的肺部感染。在人体的口腔、鼻腔常存在正常菌群,包括需氧菌和厌氧菌,其中以厌氧菌为主。每毫升唾液中含需氧菌10~(7～9),含厌氧菌10~(8～11),每克牙垢中的含菌量也与唾液相似。上述细菌如有机会入侵下呼吸道,就
In recent years, due to the wide use of aminoglycoside antibiotics, renal interstitial corticosteroids and antimetabolites; improved anaerobic culture technology, anaerobic bacteria can be isolated and identified in time, the reports of anaerobic infections gradually increase, Anaerobic bacteria have been shown to be common pathogens of infectious diseases, and pulmonary infections are no exception, and even important pathogenic bacteria, especially in hospitals. In the human oral cavity, nasal cavity often exist in normal flora, including aerobic and anaerobic bacteria, of which anaerobic bacteria. Each ml of saliva contains aerobic bacteria 10 ~ (7 ~ 9), containing anaerobic bacteria 10 ~ (8 ~ 11), bacteria per gram of tilapia is also similar with saliva. If the bacteria have the opportunity to invade the lower respiratory tract, it