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目的：了解铜绿假单胞菌及其Ｌ型在院内感染的情况，以引起重视。方法：应用常规培养和Ｌ型菌的特殊检测方法，对收集的２２７８份标本进行培养和细菌鉴定，采用ＫＢ法做药敏试验。结果：１８０例铜绿假单胞菌占各种感染的７．９％；Ｌ型菌２５例，占检出菌的１３．９％。普通菌对氟哌酸、头孢哌酮药敏率最高，分别为８２．８％和７０．６％，其次为丁胺卡那霉素（５０．６％）；对新青霉素Ⅱ、氨苄青霉素的耐药率最高，分别为９８．９％和９７．２％。结论：铜绿假单胞菌及其Ｌ型极易引起医院感染，且涉及面较广。
Objective: To understand the Pseudomonas aeruginosa and its L-type infection in the nosocomial situation in order to attract attention. Methods: Using routine culture and L-type bacteria special detection method, collected 2278 specimens were cultured and bacteria identification, K B method for drug susceptibility testing. Results: 180 cases of Pseudomonas aeruginosa accounted for 7.9% of all infections; 25 cases of L-type bacteria, accounting for 13.9% of the detected bacteria. Common bacteria to norfloxacin, cefoperazone highest susceptibility, respectively, 82.8% and 70.6%, followed by amikacin (50.6%); new penicillin Ⅱ, ampicillin The highest rates of resistance were 98.9% and 97.2% respectively. Conclusion: Pseudomonas aeruginosa and its L type can easily cause nosocomial infection, and involves a wide range.