心血管研究中的机制建模和分析指南
Mitchel J Colebank1, Pim A Oomen1, Colleen M Witzenburg2
1Edwards Lifesciences Foundation Cardiovascular Innovation and Research Center, Department of Biomedical Engineering, University of California, Irvine, Irvine, California, United States.
概括
本研究提供了在心血管研究中开发和应用计算模型的基本最佳实践. 遵守这些指导方针可以确保心脏功能的可复制和可靠的in silico检查.
科学领域:
- 心血管研究研究心血管研究
- 计算生物学 计算生物学
- 生物医学工程 生物医学工程
背景情况:
- 计算 (in silico) 模型为研究心血管功能提供了一种非侵入性方法.
- 这些模型有助于分析实验和临床数据,以了解心血管生理学.
- 计算机技术的进步使复杂的多尺度心血管模拟成为可能.
研究的目的:
- 建立基于共识的最佳实践,用于心血管研究中的in silico计算建模.
- 解决在实施计算模型时对标准化指导方针的需求.
- 促进心血管科学领域的可重复性研究.
主要方法:
- 机械计算模型的开发.
- 严格分析和正式校准模型使用统计原则.
- 计算机建模与实验和临床数据的整合.
主要成果:
- 一套关于心血管计算建模最佳实践的全面指导方针.
- 机械模型开发,分析和校准的方法.
- 用实证数据证明in silico模型的协同价值.
结论:
- 实施这些最佳实践可以提高心血管研究的可信性和可重复性.
- 标准化指导方针对于有效使用计算模型至关重要.
- 当严格应用时,in silico建模显著补充实验和临床心血管研究.
相关概念视频
01:23Mechanistic Models: Compartment Models in Individual and Population Analysis
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Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
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01:29Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
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Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
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