对急性呼吸困扰综合征的高压治疗
Weiyu Li1, Judith Martini2, Marcos Intaglietta3
1Department of Energy Science and Engineering, Stanford University, Stanford, CA, United States.
Frontiers in bioengineering and biotechnology
|November 8, 2023
概括
过的-超的输液可以为急性呼吸困扰综合征 (ARDS) 提供快速支持. 这种新的治疗方法快速清除气囊液,改善血液氧化,没有机械通风的副作用.
科学领域:
- 肺部医学 肺部医学
- 关键护理医学 关键护理医学
- 生物物理学的生物物理.
背景情况:
- 像COVID-19这样的病毒感染可以通过引起气囊液的积累来损害血液的氧化,模仿急性呼吸困扰综合征 (ARDS).
- 机械通风是一种常见的ARDS治疗方法,可能会产生有害影响,如肺毛细血管崩和毛细血管密度下降.
研究的目的:
- 为了研究超体-超体输液作为ARDS的辅助治疗的可行性.
- 通过使用透压变化来建模膜液提取的动态.
主要方法:
- 肺气泡内的流体动力学的数学建模.
- 在对静脉注射高血压盐溶液 (100毫升1.28M NaCl) 的反应中模拟气膜液排水.
- 基于减少扩散障碍的血液氧化时间变化的计算.
主要成果:
- 在模拟输液后大约15分钟内发生了模拟的膜液提取.
- 该模型预测氧气扩散障碍的减少随着膜液被吸收.
- 结果与现有的实验和临床数据保持一致.
结论:
- 超性-超性输液显示出在ARDS中快速有效的支持性治疗的潜力.
- 这种方法为机械通风提供了一种实用,经济高效的替代方案,避免了相关的副作用.
更多相关视频
06:22Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome ARDS
Published on: April 7, 2021
3.4K
07:20Lavage-induced Surfactant Depletion in Pigs As a Model of the Acute Respiratory Distress Syndrome ARDS
Published on: September 7, 2016
11.3K
相关概念视频
Acute Respiratory Failure-V
143
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Ensure that patients are monitored continuously for their response to therapy, including changes in...
143
Acute Respiratory Failure-III
190
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
190
Acute Respiratory Failure-IV
160
Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
160
Acute Respiratory Failure-I
218
Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
218
Acute Respiratory Failure-II
249
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
249
Endoscopic Studies II: Thoracocentesis
290
Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
290
