铜绿假单胞菌在自然界分布广泛 ,属条件致病菌 ,多在患者免疫力低下或某些治疗操作后 (如气管切开 )感染致病。因其致病性强 ,对很多抗生素不敏感 ,故临床治疗较为困难。现对我们近年收治的 45例铜绿假单胞菌下呼吸道感染患者进行分析 ,旨在提高其诊治水平。临床资料 :本组男 2 Pseudomonas aeruginosa is widely distributed in nature, is a condition of pathogens, and more in patients with low immunity or some treatment operations (such as tracheotomy) infection pathogenic. Because of its pathogenicity, is not sensitive to many antibiotics, so clinical treatment is more difficult. Now in our hospital in recent 45 cases of Pseudomonas aeruginosa lower respiratory tract infection were analyzed in order to improve their diagnosis and treatment. Clinical data: This group of men 2