科特里莫克萨在重症监护室:对现实生活中的固定关联来说,这是一个不可能的任务?
Manon Launay1, Maxime Pina1, Romain Guilhaumou2
1Médecine Intensive Réanimation, CHU de Saint-Etienne, Saint-Etienne, France.
The Journal of antimicrobial chemotherapy
|December 19, 2025
概括
功能和体重对ICU患者的科特里莫克萨剂量的影响. 针对个体的剂量对于三甲胺/硫甲醇治疗至关重要,特别是在功能受损或替代疗法时.
科学领域:
- 药理学 药理学是指药理学的学科.
- 临界护理医学 临界护理医学
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 科特里莫克萨 (trimethoprim/sulfamethoxazole) 是治疗ICU感染的关键抗生素之一.
- 功能变化 (AKI,增强的清除) 复杂化了cotrimoxazole的剂量.
- 了解危急疾病中的药物药理动力学至关重要.
研究的目的:
- 调查功能和体重如何影响ICU患者的三甲和硫甲醇度.
- 在重症监护机构评估当前剂量策略的充分性.
- 为个人化科特里莫克萨剂量方案提供信息.
主要方法:
- 对116名ICU患者进行了回顾性,双中心的观察研究.
- 治疗药物监测的科特里莫克萨治疗.
- 分析估计的膜过率 (eGFR) 和重量对药物度和剂量的影响.
主要成果:
- 在EGFR<30mL/min/1.73m2的患者中观察到较低的硫甲醇度,表明潜在的剂量不足.
- 随着功能恶化 (eGFR<60毫升/分钟/1.73米2),trimethoprim水平增加,造成过量服用的风险.
- 替代疗法 (RRT) 与较低的硫甲醇水平相关,这表明在RRT期间存在低剂量风险.
- 体重影响了硫甲醇水平,而不是三甲胺水平.
结论:
- 对ICU患者,特别是患有功能障碍或RRT的患者来说,个性化科特里莫克萨剂量是必不可少的.
- 目前的固定剂量疗法可能无法优化临界疾病中的三甲prim/sulfamethoxazole药理动力学.
- 需要量身定制的剂量策略,以确保治疗疗效并将毒性降至最低.
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