耐碳青霉烯类鲍氏不动杆菌碳青霉烯酶基因检测研究

Chinese Journal of Nosocomiology(2015)

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Abstract
目的:对南充地区耐碳青霉烯类鲍氏不动杆菌(CRAB)的碳青霉烯酶耐药基因进行检测分析,初步了解该地区CRAB耐药机制。方法收集南充市两所三甲医院临床感染患者送检标本检出的90株非重复CRAB,采用改良Hodge试验筛查碳青霉烯酶,PCR扩增技术检测OXA‐23like、OXA‐24like、OXA‐51like、OXA‐58like、IMP、VIM型碳青霉烯酶基因以及NDM‐1“超级细菌”耐药基因。结果改良Hodge试验阳性共72株,阳性率80.0%;全部菌株携带OXA‐51‐like基因,79株携带OXA‐23‐like基因,检出率为87.8%,其余基因扩增均为阴性。结论该地区CRAB的耐药机制与产OXA‐23型碳青霉烯酶有关,未发现其他碳青霉烯酶耐药基因参与。
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Key words
A cinetobacter baumannii,Carbapenems,Drug resistance gene
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