流程图用于预测在危急病患者的日本患者中康明的度-时间曲线下的目标区域的实现:一项多中心回顾性研究
Tomoyuki Ishigo1, Satoshi Fujii1, Yuta Ibe1
1Department of Pharmacy, Sapporo Medical University Hospital, Sapporo, Japan.
概括
在重症患者中达到科米辛AUC的目标至关重要. 一个新的决策树模型识别了预测AUC,剂量间隔和肌素清除等关键因素,以有效指导万科米辛治疗.
科学领域:
- 药理学 药理学是指药理学的学科.
- 关键护理医学 关键护理医学
- 临床药房 临床药房
背景情况:
- 治疗药物监测 (TDM) 的万科米辛 (VCM) 对于优化疗效和最小化毒性至关重要.
- 度-时间曲线下的面积 (AUC) 是VCM的关键药理学参数.
- 在重症患者中实现目标VCM AUC仍然具有挑战性.
研究的目的:
- 为了确定与在随访TDM时实现目标科米辛AUC相关的因素.
- 开发一个决策流程图来指导危急病患者的VCM剂量.
主要方法:
- 在接受VCM的70名危急病患者中进行了多中心回顾性观察性研究.
- 在单变量分析中使用p < 0.1的因子进行决策树 (DT) 分析.
- 用于AUC计算的贝叶斯估计软件 (实用AUC指导的TDM).
主要成果:
- 70%的患者在随访TDM时达到目标AUC (400-600μg·h/mL).
- 实现目标AUC的关键因素:预测的AUC,12小时的剂量间隔和高的肌素清除值 (≥130毫升/分钟/1.73米2).
- 开发的DT模型显示了足够的准确性 (92%,R2=0.52).
结论:
- 开发了一种简单的决策树模型,以确定实现目标米素AUC的因素.
- 该模型可以帮助优化危急病患者的万科米辛治疗.
- 需要进一步的评估来确认这些发现的有效性.
相关概念视频
Drug Concentration Versus Time Correlation
808
The plasma drug concentration-time curve is a crucial tool in pharmacokinetics, representing the drug's concentration in plasma at different time intervals post-administration. This curve illustrates the drug's journey from absorption into the systemic circulation, distribution to body tissues, and eventual elimination through excretion or biotransformation.
Two pivotal parameters are the minimum effective concentration (MEC) and the minimum toxic concentration (MTC). The MEC is the...
Two pivotal parameters are the minimum effective concentration (MEC) and the minimum toxic concentration (MTC). The MEC is the...
808
Rational Dosage Regimen: Maintenance Dose and Loading Dose
4.1K
A rational dosage regimen considers a drug's pharmacokinetics, including its absorption, distribution, metabolism, and elimination from the body. By understanding these factors, the appropriate dosage can be determined, and the dosing schedule can be designed to achieve and maintain the desired therapeutic effect while minimizing adverse effects.
In most cases, drugs are administered repetitively or infused continuously to maintain a steady-state concentration in the body. At a steady...
In most cases, drugs are administered repetitively or infused continuously to maintain a steady-state concentration in the body. At a steady...
4.1K
One-Compartment Open Model for IV Bolus Administration: Estimation of Elimination Rate Constant, Half-Life and Volume of Distribution
283
The one-compartment open model is a simplified approach used in pharmacokinetics to understand the distribution and elimination of a drug administered through an intravenous bolus. This model assumes rapid drug dispersal throughout the body and elimination using a first-order process. Key pharmacokinetic parameters, such as the elimination rate constant (k), half-life (t1/2), and the apparent volume of distribution (Vd), can be estimated from this model. The elimination rate is calculated...
283
One-Compartment Model: IV Infusion
204
Intravenous (IV) infusion is often utilized when continuous and controlled drug delivery is necessary, such as during surgery or in the treatment of chronic diseases. This method offers numerous advantages, including immediate drug action, precise control over dosage, and bypassing the first-pass metabolism.
The one-compartment model for IV infusion uses mathematical equations to describe the rate of change in drug quantity in the body. At steady-state or infusion equilibrium, the drug input...
The one-compartment model for IV infusion uses mathematical equations to describe the rate of change in drug quantity in the body. At steady-state or infusion equilibrium, the drug input...
204
Time Course of Drug Effect
2.1K
The progression of a drug's impact can be analyzed by examining both the concentration-time course and the effect-time course. The concentration-time course is determined by the drug's half-life and is influenced by factors such as its pharmacokinetics, including absorption, distribution, metabolism, and elimination. The effect of the drug is often related to its concentration in the plasma and is calculated using the maximum drug effect and the plasma concentration that generates 50...
2.1K
Two-Compartment Open Model: IV Infusion
247
A two-compartment model is a vital tool in pharmacokinetics, providing an essential understanding of drug behavior, especially for those administered via zero-order intravenous infusion. This model outlines two compartments: the central compartment, where elimination occurs, and the peripheral compartment.
The model illustrates the decrease in plasma drug concentration from the central compartment with a specific equation. It shows that under steady-state conditions, the drug's input rate...
The model illustrates the decrease in plasma drug concentration from the central compartment with a specific equation. It shows that under steady-state conditions, the drug's input rate...
247


