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产ESBLs细菌体外药敏试验结果报告探讨 被引量:5

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摘要 目的探讨产超广谱β-内酰胺酶(ESBLs)细菌的Vitek药敏试卡法和纸片扩散法(Kirby-Bauer)检测ESBLs以及药敏结果的差别。方法256株大肠埃希菌和肺炎克雷伯菌采用Vitek药敏试卡和K-B法进行药敏试验,对Vitek药敏试卡法检测ESBLs疑似假阴性菌进行确证试验验证,同时对25株产ESBLs细菌的感染患者进行β-内酰胺类抗生素临床疗效监测。结果Vitek药敏试卡法ESBLs的检出率为21.87%(56株),K-B法检测结果与Vitek药敏试卡法专家修正结果差异显著(P<0.05)。产ESBLs细菌不经修正的K-B法的药敏结果与临床疗效相吻合,CAZ的敏感率和临床疗效均优于头胞噻肟CTX(P<0.05)。结论对Vitek药敏试卡法检测ESBLs疑似假阴性菌应采用K-B法确证试验加以确认,国内分离的产ESBLs细菌的β-内酰胺类抗生素药敏实验结果不应盲目采用NCCLS推荐标准加以修正,而应结合临床疗效如实报告Vitek药敏试卡法仪器结果或K-B法结果,同时对药敏结果进行注评。
出处 《江西医学检验》 2005年第1期56-58,共3页 Jiangxi Journal of Medical Laboratory Sciences
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