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2007—2011年我院铜绿假单胞菌的分离及耐药性变迁分析 被引量:5

Pseudomonas aeruginosa separation and resistance change analysis in our hospital from 2007 to 2011
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摘要 目的探讨铜绿假单胞菌(PA)在医院临床感染中的分布及其耐药性的变化趋势,为临床合理用药提供实验室依据。方法采用回顾性调查方法,对2007年1月至2011年12月我院分离的818株PA进行统计分析。结果PA的分离数占所有病原菌的构成比为15.2%(818/5365);标本来源主要为痰液,占82.6%(676/818)。亚胺培南、哌拉西彬他唑巴坦、氨曲南、头孢他啶、左旋氧氟沙星和环丙沙星对PA的抗菌活性较好,耐药率分别为14.9%(97/653)、25.0%(179/716)、26.8%(179/667)、26.9%(208/773)、28.6%(211/738)和29.1%(220/757);2007—2010年环丙沙星和左旋氧氟沙星耐药性没有明显变化,而2011年明显下降[环丙沙星:35.1%(175/498)与17.4%(45/259);左旋氧氟沙星:38.0%(181/476)与11.5%(30/262)]。2009—2011年的3年间亚胺培南、阿米卡星的耐药性逐年增加[7.4%(9/121)、7.7%(66/209)、19.5%(51/262),13.0%(3/23)、33.3%(69/207)、36.2%(94/260)]。结论我院2007—2011年PA检出率和耐药性呈上升趋势,临床应根据药敏结果合理用药,实验室应加强细菌耐药性监测。 Objective To understand the distribution and drug resistance change trend of pseudomonas aeruginosa (PA) in hospital clinical infection in order to provide laboratory basis for rational clinical use of medications. Methods Statistical analyses was conducted retrospectively in 818 strains of PA separated in our hospital from January 2007 to December 2011. Results Of all the separation, PA number of the pathogen constituted a ratio of 15.2% (818/5365) ; The main source of specimens was sputum, accounting for 82. 6% (676/818). There was good antimicrobial activity of Imipenem, Piperacillin/Tazobactam, Aztreonam, Ceftazidime, Levofloxacin and Ciprofloxacin to PA, with resistance rates of 14. 9% (97/653), 25.0% ( 179/ 716) ,26. 8% (179/667),26. 9% (208/773),28.6% (211/738) and 29. 1% (220/757) respectively; The resistance of Ciprofloxacin and Levofloxacin did not change significantly during 2007 - 2010 year, but in 2011 year a significant decrease of resistance rates was found ( ciprofloxacin: 35.1% ( 175/498 ) vs. 17.4% (45/ 259) ; Levofloxacin: 38. 0% (181/476) vs. 11.5% (30/262)) ; During 2009 - 2011 year, the resistance of Imipenem and Amikacin increased year by year ( Imipenem : 7.4% ( 9/121 ) vs. 7. 7% ( 66/209 ) vs. 19.5% (51/262) ; Amikacin : 13.0% (2/23) vs. 33.3 % (69/207) vs. 36. 2% (94/260)). Conclusion PA detection rate and its resistance is rising from 2007 to 2011 year. We should make rational drug use clinically according to antimicrobial susceptibility test results. Laboratories shall strengthen the bacterial resistance monitoring.
出处 《中国综合临床》 2013年第4期370-373,共4页 Clinical Medicine of China
基金 基金项目:内蒙古自治区自然科学基金资助项目(200711020932)
关键词 院内感染 铜绿假单胞菌 耐药性 Nosocomial infection Pseudomonas aeruginosa Resistance
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