在受感染的多叶膜液中抗生素的药理动力学
David T Arnold1, Liam Read2, Oliver Waddington2
1Academic Respiratory Unit, University of Bristol, Bristol, UK arnold.dta@gmail.com.
大多数常见的抗生素在患有膜感染的患者中有效地透到膜空间,达到治疗度. 对于关键治疗方法,对抗生素透到感染的肺部液体的担忧在很大程度上是毫无根据的.
科学领域:
- 药理动力学 药理动力学
- 传染性疾病 传染性疾病
- 胸部医学 胸部医学
背景情况:
- 胸腔感染治疗通常依赖于经验广泛的抗生素.
- 关于抗生素透到受感染的肺空间的数据有限.
- 了解胸腔液中的药物度对于有效治疗至关重要.
研究的目的:
- 为了评估常用的静脉注射抗生素在感染的肺部液体中的药理动力学透.
- 为了确定胸腔液中的抗生素度是否达到治疗水平.
- 为了解决人们对抗生素在多发性感染中的疗效存在的担忧.
主要方法:
- 进行了一项药理动力学研究,涉及35名肺部感染患者.
- 测量了阿莫西西林,甲尼达,皮佩拉西林-塔扎巴克坦,克林达米辛和科特里莫克萨的抗生素度.
- 在146个时间点分析了肺液和血液中的度.
主要成果:
- 阿莫西西林,美트로尼达,皮佩拉西林-塔扎巴克坦和克林达米辛的度达到与血液水平相当的液度.
- 这些度远高于相关病原体的最小抑制度 (MIC).
- 与其他测试的抗生素相比,科特里莫克萨的透率较低.
结论:
- 通常处方的抗生素 (不包括cotrimoxazole) 显示足够的透到受感染的胸腔空间.
- 胸腔液中的治疗性抗生素水平支持它们在治疗胸腔感染中的使用.
- 这项研究驳斥了人们普遍担心的关于肺部感染中抗生素透率较低的担忧.
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