J Antimicrob Chemoth:根除幽门螺旋杆菌 包含阿莫西林方案的MIC更佳临界值是?

2018-01-23 应颖秋 环球医学网

发表于《J Antimicrob Chemother》上的一项研究,通过对2007~2016年在台湾进行的5项随机试验汇总分析,考察了含阿莫西林的方案的有效性是否受到阿莫西林耐药的影响以及阿莫西林耐药的最佳临界值。

发表于《J Antimicrob Chemother》上的一项研究,通过对2007~2016年在台湾进行的5项随机试验汇总分析,考察了含阿莫西林的方案的有效性是否受到阿莫西林耐药的影响以及阿莫西林耐药的最佳临界值。

背景:阿莫西林耐药对包含阿莫西林的幽门螺杆菌根除方案有效性的影响仍然未知。

目的:旨在调查包含阿莫西林的方案的有效性是否受到阿莫西林耐药的影响,鉴别出阿莫西林耐药的最佳临界值。

方法:这是一项2007~2016年在台湾进行的5项随机试验的汇总分析。纳入了接受包含阿莫西林方案治疗的患者。通过琼脂稀释法确定MIC。Meta分析用于评估7个不同方案的阿莫西林耐药菌株vs阿莫西林敏感菌株的根除失败的风险比。研究者在克拉霉素三联治疗的患者中进行了进一步的汇总分析和逻辑回归,旨在鉴别阿莫西林耐药的最佳临界值。

结果:总共2339例具有阿莫西林MIC的患者入组。Meta分析表明,在不同的临界值下,阿莫西林耐药与包含阿莫西林方案的治疗失败风险的增加一致相关(当截点为0.5mg/L时,风险比,1.41;95% CI,1.12~1.78;P=0.004)。异质性低(I2=0%;P=0.615)。汇总分析也显示,阿莫西林耐药为不同临界值下克拉霉素三联治疗失败的独立风险因素。当阿莫西林耐药临界值≥0.125mg/L时,相关性最佳(Kappa系数,0.298),此时耐药率为11.1%(110/990)。

结论:包含阿莫西林方案的有效性受到阿莫西林耐药的影响,最佳临界值的MIC≥0.125mg/L。

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    2018-10-28 风铃830
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    2018-11-12 xjy02

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