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纸片扩散法检测阴沟肠杆菌超广谱β-内酰胺酶的结果评价

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摘要 目的评价双纸片扩散确证试验检测阴沟肠杆菌超广谱β-内酰胺酶(ESBLs)的可靠性。方法以头孢曲松三维试验为标准,用双纸片扩散确证试验检测阴沟肠杆菌产ESBLs的情况。结果用双纸片扩散确证试验检测为ESBLs阴性的40株阴沟肠杆菌,头孢曲松三维试验检测也均为阴性;双纸片扩散确证试验检测为ESBLs阳性的61株阴沟肠杆菌,用头孢曲松三维试验检测出18株阴性。结论双纸片扩散确证试验检测阴沟肠杆菌的ESBLs敏感性较理想,但易造成假阳性,特异性仅为70.5%。
出处 《浙江检验医学》 2005年第3期20-21,共2页 Zhejiang Journal of Laboratory Medicine
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