统一流体反应和耐受性与生理学:对钻石-福雷斯特分类的动态解释
Jon-Émile S Kenny1,2, Ross Prager3, Philippe Rola4
1Emerging Areas of Clinical Research, Health Sciences North Research Institute, Sudbury, ON, Canada.
Critical care explorations
|December 14, 2023
概括
护理点超声波 (POCUS) 使用弗兰克-斯塔林关系来澄清血液动力学. 一种新的两步POCUS方法将静态和动态评估结合起来,用于重症患者的个性化液体治疗.
科学领域:
- 关键护理医学 关键护理医学
- 心血管生理学心血管生理学
- 在护理地点进行超声波 (POCUS)
背景情况:
- 血液动力学不稳定的患者需要精确的流体管理.
- 现有的POCUS评估在流量,拥堵,流体响应 (FR) 和流体耐受性方面面临混乱.
- 弗兰克-斯塔林关系为了解拥堵和流动动态提供了一个框架.
研究的目的:
- 为了澄清流量,拥堵,流体反应能力和严重病患者的流体耐受性等概念.
- 提出一种新的,两步的POCUS方法,整合静态和动态评估.
- 用超声波钻石-福雷斯特图和动态FR评估来个性化流体治疗.
主要方法:
- 利用弗兰克-斯塔林关系来概念化拥堵和流动之间的相互作用.
- 开发了一个两步POCUS评估: 1. 静态超声波钻石-福雷斯特图. 2. 2. 2. 这是一个很棒的节目. 动态评估流体响应 (例如,被动腿部提升).
主要成果:
- 弗兰克-斯塔林关系为理解血液动力学评估中POCUS发现提供了一个概念基础.
- 仅靠静态评估是不够的;动态评估对于指导治疗至关重要.
- 拟议的两步方法允许在危急疾病的整个频谱中进行个性化流体管理.
结论:
- 整合静态和动态POCUS评估可以提高重症患者的血液动力学评估.
- 建议的超声波钻石-福雷斯特图形与动态流体响应测试相结合,优化了患者特定的流体管理.
- 这种方法旨在减少混,并提高重症监护机构的治疗精度.
相关概念视频
Types of Fluids
271
Fluids can be classified into Newtonian and non-Newtonian fluids based on their response to shear stress. Newtonian fluids have a linear relationship between shear stress and the shear strain rate, following Newton's law of viscosity. Their viscosity remains constant regardless of the shear rate, making their behavior predictable and easier to analyze. Common examples include water, air, oil, and gasoline.
In contrast, non-Newtonian fluids do not follow Newton's law of viscosity, and...
In contrast, non-Newtonian fluids do not follow Newton's law of viscosity, and...
271
Newtonian Fluid: Problem Solving
230
Newtonian fluids exhibit a constant viscosity, meaning their shear stress and shear strain rate are directly proportional. This property ensures a predictable and stable response to applied forces, maintaining a linear relationship between force and flow. Examples include water, air, and light oils, consistently demonstrating this proportional behavior regardless of external conditions.
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...
230
Autoregulation of Blood Flow
2.3K
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
2.3K


