泌尿系感染大肠埃希菌和肺炎克雷伯菌耐药性监测
李达裴银辉
河北联合大学
Abstract: 目的研究泌尿系感染中大肠埃希菌和肺炎克雷伯菌的耐药性特征,加强对其产超广谱β-内酰胺酶(ESBLs)和碳青霉烯酶的监测。方法细菌鉴定、药敏试验采用法国梅里埃VITEK2-compact全自动细菌分析系统,用微量肉汤法检测产ESBLs情况,产碳青霉烯酶表型确证试验用改良Hodge试验。结果大肠埃希菌和肺炎克雷伯菌均对阿米卡星、亚胺培南、美罗培南和哌拉西林/他唑巴坦保持高度的敏感性;大肠埃希菌对头孢唑林、环丙沙星、头孢曲松、头孢吡肟、庆大霉素、左氧氟沙星、复方新诺明的耐药率均高于肺炎克雷伯菌,且差异有统计学意义(P<0.05);肺炎克雷伯菌对呋喃妥因的耐药率显著高于大肠埃希菌(P<0.05);两种细菌对氨苄西林均保持高度耐药。本研究中段尿分离的大肠埃希菌ESBLs阳性率为50.5%,肺炎克雷伯菌ESBLs阳性率为36.8%,未发现产碳青霉烯酶肺炎克雷伯菌和大肠埃希菌。结论临床治疗由肺炎克雷伯菌或大肠埃希菌引起的泌尿系感染时,应以药敏结果为依据,合理应用抗菌药物,重视ESBLs和碳青霉烯酶的检测。
- DOI:
10.13517/j.cnki.ccm.2014.11.018
- Series:
- Subject:
- Classification Code:
R446.5
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