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肝硬化腹水感染E.coli AmpC酶和ESBLs的检测及耐药性分析

Detection of AmpC and β-lactamase of E.coli in ascites patients due cirrhosis and analysis of drug resistance
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摘要 目的了解肝硬化患者腹水感染大肠埃希菌产AmpC酶和超广谱β-内酰胺酶的情况及耐药分析。方法采用改良的酶提取物三维试验法检测从肝硬化并发自发性细菌性腹膜炎患者的腹水中分离的60株大肠埃希菌产AmpC酶和ESBLs的情况及耐药特征。结果从60株大肠埃希菌中检出单产ESBLs29株,检出率为48.3%;单产AmpC酶6株,检出率为10.0%;同时产AmpC酶和ESBLs共3株,检出率为5.0%。单产AmpC酶、ESBLs及同时产AmpC酶、ESBLs对18种抗生素(除亚胺培南)的耐药率均高于平均水平。结论住院肝硬化伴自发性细菌性腹膜炎患者腹水感染大肠埃希菌对抗生素耐药的主要原因是产生AmpC酶和ESBLs。临床上对治疗此类患者需及时进行腹水的病原菌培养和药敏试验。临床经验性用药一般首选碳青霉烯类。
作者 陈应共
出处 《中国热带医学》 CAS 2008年第7期1130-1131,共2页 China Tropical Medicine
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