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肺炎克雷伯菌致院内获得性肺炎的临床和耐药性分析 被引量:3

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摘要 目的分析肺炎克雷伯菌产超广谱β-内酰胺酶(ESBLs)的发生率、分布科室、临床特点、耐药情况及治疗预后,以指导临床合理用药。方法采用纸片扩散法(Kirby-Bauer法)进行抗生素敏感试验,对113例住院的医院获得性肺炎(HAP)患者痰标本分离的113株肺炎克雷伯菌耐药情况进行回顾性调查。结果113例肺炎克雷伯菌检出产ESBLs细菌44株,总检出率为38.94%。主要分布科室为ICU(急诊ICU为7/10,病房ICU为2/4)、神经内科(11/18)、神经外科(8/19)、老年科(5/14)、呼吸科(4/13)、肿瘤科(3/10)、血液科(2/10)、其他(2/15)。产ESBLs菌和非产ESBLs菌均对美罗培南高度敏感,对氨苄西林严重耐药,产ESBLs菌株的耐药率明显高于非产ESBLs菌株,差异有高度统计学意义(P<0.01)。经验用药正确率为46.02%(52/113),结果:43例(38.05%)治愈,39例(34.51%)好转,16例(14.16%)无变化,15例(13.27%)死亡。结论医院获得性肺炎中肺炎克雷伯菌产ESBLs率较高,且存在多重耐药。治疗产ESBLs肺炎克雷伯菌引起的感染应以碳青霉烯类为首选,也可根据药敏选用头孢哌酮/舒巴坦。
出处 《苏州大学学报(医学版)》 CAS 北大核心 2008年第4期641-642,共2页 Suzhou University Journal of Medical Science
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