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西安地区耐亚胺培南铜绿假单胞菌中金属β-内酰胺酶的检测 被引量:3

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摘要 目的检测西安地区耐亚胺培南铜绿假单胞菌(Imipenem-resistant Pseudomonas aeruginosa,IRPA)中金属β-内酰胺酶的基因型,分析产酶株的耐药特性。方法收集西安地区6所三级甲等医院分离到的非重复性IRPA,采用IPM-EDTA纸片增敏法筛选产金属β-内酰胺酶的IRPA,PCR法检测产酶阳性株的基因型,并对其耐药性进行分析。结果IPM-EDTA纸片增敏法检出产金属β-内酰胺酶IRPA21株,检出率18.58%,其中包括6株产VIM型金属酶菌株,6菌株对几乎所有β-内酰胺类抗生素均耐药。结论西安地区可能存在产VIM型金属酶的IRPA,但多数IRPA对亚胺培南耐药的机制可能为多种机制共同作用的结果;产金属酶的IRPA为多重耐药菌,具有极大的危险性。
出处 《四川大学学报(医学版)》 CAS CSCD 北大核心 2008年第5期856-857,874,共3页 Journal of Sichuan University(Medical Sciences)
基金 陕西省科学技术研究发展计划项目(2004K17-G3)资助
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同被引文献23

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