在常规治疗药物监测期间,内心炎患者的意外虚假高米辛度
Laura Galán-Caballero1, María Rosario Salas-Butrón1,2, Daniel Lozano-Martín3
1Department of Clinical Pharmacology, Hospital Clínico San Carlos; IdISSC, Madrid, Spain.
European journal of case reports in internal medicine
|July 10, 2025
概括
分析干扰可能会导致错误的高米素水平,可能导致不必要的治疗变化. 怀疑干扰,当药物水平不匹配的临床结果在患有甲素耐药黄金葡萄球菌感染的患者.
科学领域:
- 临床化学 临床化学
- 药理学 药理学是指药理学的学科.
- 传染性疾病 传染性疾病
背景情况:
- 范科米对于治疗抗甲素黄金葡萄球菌 (MRSA) 感染至关重要.
- 治疗药物监测 (TDM) 的万科米辛是优化治疗疗效的必要条件.
- 高水平的万科米辛会导致毒性,需要准确的TDM.
研究的目的:
- 报告一种分析干扰的情况,导致科米辛水平错误升高.
- 突出考虑万科米辛TDM测定干扰的重要性.
- 强调在解释万科米辛水平时需要临床相关性.
主要方法:
- 一个病例报告,是一名87岁的女性患者,患有内心炎,接受了万科米治疗.
- 测量了连续的万科米辛水平,显示持续高度和不断增加的度.
- 测量药物度与临床表现之间的差异调查,包括样本重新分析和分析干扰的识别.
主要成果:
- 最初的万科米辛水平显著升高 (36.4微克/毫升),并继续上升,达到100微克/毫升.
- 样本重新分析显示无法检测到的水平,表明分析干扰.
- 无法识别特定的干扰物质,导致抗生素治疗的变化为daptomycin.
结论:
- 分析干扰可以发生在万科米辛试验中,产生错误的高药物度.
- 临床医生必须保持高的干扰怀疑指数,当万科米辛水平与临床状况无关时.
- 应该怀疑在患者中存在持续高水平的万科米辛和临床恶化,促使进一步调查和潜在的治疗调整的干扰.
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