在重症监护室患者中达到-乳酸的药理动力学/药理动力学目标:一个前性,观察性,队列研究
Romain Guilhaumou1,2, Constance Chevrier1,2, Jean Loup Setti3
1Department of Clinical Pharmacology and Pharmacosurveillance, La Timone University Hospital; 13005 Marseille, France.
Antibiotics (Basel, Switzerland)
|August 26, 2023
概括
在重症监护室 (ICU) 中优化β-乳糖抗生素剂量至关重要. 这项研究发现,治疗药物监测和剂量调整显著改善了ICU患者的药理动力学/药理动力学目标的实现.
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
- 传染性疾病 传染性疾病
背景情况:
- 在重症监护室 (ICU) 中,持续输注β-乳酸抗生素是常见的.
- 评估药理动力学/药理动力学 (PK/PD) 目标的实现对于有效的抗生素治疗至关重要.
- 药物度的变化需要了解相关的共变量和剂量影响.
研究的目的:
- 描述在ICU患者中获得β-乳糖抗生素的PK/PD目标.
- 为了确定影响目标实现的共变量.
- 评估剂量调整对PK/PD目标的影响.
主要方法:
- 在三个ICU进行前性,观察性队列研究.
- 连续输注四种β-乳糖抗生素.
- 在第1,4和第7天进行治疗药物监测 (TDM).
- 主要PK/PD目标:在整个剂量间隔内,未结合的药物度是最小抑制度 (MIC) 的4倍.
- 人口和临床共变量的评估.
主要成果:
- 在第一天观察到的塞费皮姆 (66%),塞福塔キシ姆 (43%) 和塞夫塔齐迪姆 (47%) 的经验低剂量高率.
- 索引肌素清除独立与低剂量 (增加清除) 和过量 (减少清除) 相关.
- 在剂量调整后 (53.1%) 显著增加了PK/PD目标的实现,而在第一到第四天之间没有调整 (26.2%).
结论:
- 血β-乳糖度在患者之间和患者内显著的变化导致ICU患者的暴露不足.
- 剂量优化对于改善治疗结果至关重要.
- 将指数化肌素清除与TDM结合起来,可以促进适当的剂量,并提高PK/PD目标的实现.
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