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宁夏地区162株大肠杆菌临床分离株对四环素类药物的耐药性分析 被引量:7

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摘要 目的分析宁夏地区大肠杆菌临床分离株对四环素类药物的耐药性,为指导临床合理用药提供理论依据。方法采用PCR技术和药敏试验对宁夏地区临床分离的162株大肠杆菌进行四环素类药物耐药基因tetA、tetB、tetC、tetD、tetE和tetG的分子检测和耐药性研究。结果基因检测结果表明,在162株大肠杆菌临床分离株中,110株检测出了耐药基因,阳性率为67.9%。其中tetA基因的阳性率为40.1%,tetB基因的阳性率为29.6%。药敏试验结果表明,120株对四环素类药物耐药,耐药率为74.1%,耐药菌株中有15株未检测到tetA和tetB耐药基因。药敏试验结果与基因检测结果的符合率为87.5%;对四环素类药物耐药的87.5%大肠杆菌均携带tetA和tetB基因,其中7.5%的耐药菌株携带2种耐药基因。结论宁夏地区大肠杆菌临床分离株对四环素类药物具有较高的耐药性,应予以足够重视。
出处 《广东医学》 CAS CSCD 北大核心 2013年第23期3580-3583,共4页 Guangdong Medical Journal
基金 国家自然科学基金资助项目(编号:31060335) 宁夏自然科学基金项目(编号:NZ1039) 宁夏卫生厅科技攻关项目(编号:2011092)
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