一个新的方程成功计算了肺部保护性通风的潮体积
Michael Self1, Christie Mun2, Andrew Goodrich3
1Department of Emergency Medicine; Department of Anesthesiology, Division of Critical Care Anesthesia, University of California, San Diego, San Diego, California.
The Journal of emergency medicine
|June 24, 2023
概括
一个新的,简单的方程准确地预测成人患者的低潮量通风 (LTVV). 这种简化方法可以提高LTVV在重症监护机构的一致应用.
科学领域:
- 临界护理医学 临界护理医学
- 肺部医学 肺部医学
- 机械通风机械通风机械通风
背景情况:
- 低潮量通风 (LTVV) 改善了急诊和重症监护病房的结果,但未得到充分利用.
- 基于理想体重 (IBW) 的潮体积 (Vt) 计算的感知复杂性导致LTVV应用不一致.
- 需要采用简化方法,以促进LTVV的更广泛采用.
研究的目的:
- 开发一个简单的,独立于性别的方程,以根据患者身高来估计LTVV.
- 创建一个难忘的,单步公式来预测适当的潮体积.
主要方法:
- 在急诊室 (ED) 和重症监护室 (ICU) 接受机械呼吸的成年患者的回顾性观察队列研究.
- 在ED患者的2016年1月至2019年6月期间收集数据,在ICU患者的2017年1月至2019年12月期间收集数据.
- 一个新的方程 (Vt = 20*(Ht-60) + 300) 被导出并测试以预测6-8mL/kgIBW的Vt.
主要成果:
- 得到的方程,Vt = 20*(Ht-60) + 300,是从982名ED患者中开发出来的.
- 在3720名ICU患者的单独队列中,该方程在100%的病例中成功预测了6-8mL/kgIBW的潮体积.
- 该方程适用于身高60英寸或更高的患者.
结论:
- 一个新的,简化的方程可靠地预测成人患者的6-8mL/kgIBW潮体积.
- 这个方程提供了一个实际的工具,以提高LTVV的一致应用.
- 这些发现支持使用这种简化方法通过优化机械通风策略来改善患者的治疗结果.
相关概念视频
Respiratory Volumes
1.6K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
1.6K
Respiratory Volumes and Capacities
2.2K
The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...
2.2K
Pulmonary Ventilation: Inhalation
4.0K
Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
Boyle's law becomes particularly pertinent when examining respiratory...
4.0K
Lung Capacity
51.0K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
51.0K
Respiratory Capacities
850
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
850
Respiratory Volumes and Capacities I
1.1K
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.1K


