清金化痰汤联合头孢哌酮/舒巴坦对产ESBLs肺炎克雷伯菌体外抑菌的研究

International Medicine and Health Guidance News(2021)

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Abstract
目的:研究清金化痰汤联合头孢哌酮/舒巴坦在体外环境下对产超广谱β-内酰胺酶肺炎克雷伯菌的抑菌作用,为其临床抗感染治疗寻求新的方向。方法:应用肉汤稀释法测定抗菌药组(头孢哌酮/舒巴坦)、中药组(清金化痰汤)、联合组(清金化痰汤联合头孢哌酮/舒巴坦)以及阴性对照组4个组别对15株产超广谱β-内酰胺酶肺炎克雷伯菌的最低抑菌浓度(minimum inhibitory concentration,MIC),计算部分抑菌浓度指数(fractional inhibitory concentration,FIC)分布情况,以FIC≤0.5为协同作用,判定联合用药抑菌效果。结果:清金化痰汤对产ESBLs肺炎克雷伯菌的MIC为1.0~2.0 g/ml,头孢哌酮/舒巴坦对产ESBLs肺炎克雷伯菌的MIC为128.0~256.0 μg/ml,联合组中清金化痰汤和头孢哌酮/舒巴坦的MIC分别为0.5~1.0 g/ml、64.0~128.0 μg/ml,两单独用药组和联合组相比较,MIC差异均有统计学意义(均 P<0.05)。联合组对产超广谱β-内酰胺酶肺炎克雷伯菌FIC均≤0.5。 结论:清金化痰汤与头孢哌酮/舒巴坦联合应用对产超广谱β-内酰胺酶肺炎克雷伯菌在体外环境下具有明显的协同抑制作用。
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Key words
Qingjin Huatan decoction,Cefoperazone/sulbactam,Extended spectrum β-lactamases,K. pneumoniae,Bacteria inhibitory effect
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