耐甲氧西林金黄色葡萄球菌SCCmec基因分型及耐药性分析
发布时间:2018-09-11 08:35
【摘要】:目的分析耐甲氧西林金黄色葡萄球菌(MRSA)SCCmec基因型别及耐药性,为不同感染型别菌株的有效治疗及耐药性控制提供指导。方法收集本院2016年1-12月患者各类送检临床标本,分离MRSA,对菌株进行SCCmec基因的多重PCR扩增,K-B法分析SCCmec基因型菌株耐药情况,根据标准判定结果。结果本院2016年1-12月患者各类临床标本中共分离出MRSA 282株,携带SCCmec基因151株,占53.55%,其中143株携带SCCmecⅢ型基因,8株携带SCCmecⅡ型基因。携带SCCmecⅢ型基因MRSA病区分布:ICU病房81株(占56.64%),外科病房39株(占27.27%),内科病房16株(占11.19%),门诊病房7株(占4.90%)。携带SCCmecⅡ型基因MRSA病区分布:ICU病房5株(占62.50%),外科病房2株(占25.00%),内科病房1株(占12.50%),门诊病房分离的MRSA菌株未检出SCCmecⅡ型。携带SCCmecⅢ型基因的MRSA标本来源:痰液93株(占65.03%),血液37株(占25.87%),腹水9株(占6.29%),尿液3株(占2.10%),伤口分泌物1株(占0.70%)。携带SCCmecⅡ型基因MRSA标本来源:痰液5株(占62.50%),血液3株(占37.50%),患者腹水、尿液标本以及伤口分泌物标本分离的MRSA菌株未检出SCCmecⅡ型。携带SCCmecⅢ型MRSA对氨苄西林、阿莫西林、哌拉西林、头孢拉啶、头孢吡肟和利福平的耐药率分别为100.00%、67.83%、53.85%、60.13%、26.57%和8.39%,对万古霉素敏感;携带SCCmecⅡ型MRSA对氨苄西林、阿莫西林、哌拉西林、头孢拉啶、头孢吡肟和利福平的耐药率分别为100.00%、75.00%、37.50%、25.00%、12.50%和12.50%,对万古霉素敏感。结论 MRSA临床分离株基因型以SCCmecⅢ型为主,主要分离自医院的ICU病房及患者的痰液和血液标本。临床治疗MRSA感染时应首选万古霉素,但应合理选用,避免耐药性发展。
[Abstract]:Objective to analyze the (MRSA) SCCmec genotypes and drug resistance of methicillin-resistant Staphylococcus aureus, and to provide guidance for the effective treatment and drug resistance control of different infection types of Staphylococcus aureus. Methods from January to December 2016, we collected all kinds of clinical samples of patients from January to December of 2016, isolated MRSA, and analyzed the drug resistance of SCCmec genotypes by multiplex PCR amplification of SCCmec gene by K-B method. Results A total of 282 strains of MRSA were isolated from clinical specimens from January to December 2016 in our hospital, and 151 strains were carrying SCCmec gene, accounting for 53.555.Among them, 143 strains carried SCCmec 鈪,
本文编号:2236169
[Abstract]:Objective to analyze the (MRSA) SCCmec genotypes and drug resistance of methicillin-resistant Staphylococcus aureus, and to provide guidance for the effective treatment and drug resistance control of different infection types of Staphylococcus aureus. Methods from January to December 2016, we collected all kinds of clinical samples of patients from January to December of 2016, isolated MRSA, and analyzed the drug resistance of SCCmec genotypes by multiplex PCR amplification of SCCmec gene by K-B method. Results A total of 282 strains of MRSA were isolated from clinical specimens from January to December 2016 in our hospital, and 151 strains were carrying SCCmec gene, accounting for 53.555.Among them, 143 strains carried SCCmec 鈪,
本文编号:2236169
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