相关实验视频
Updated: Jun 11, 2025

07:36
Mechanical Ventilation Boot Camp Curriculum
Published on: March 12, 2018
10.2K
在ICU条件下对运输和紧急通风器中PC-CMV模式的基准评估
Alembert Lino-Alvarado1, Renato de Lima Vitorasso2, Diego Antonio de Oliveira Rosa2
1Biomedical Engineering Laboratory, Escola Politécnica, University of Sao Paulo, Sao Paulo, Brazil. alalvarado@usp.br.
Scientific reports
|September 29, 2024
概括
大多数测试的机械呼吸机在压力控制持续强制性通风模式 (PC-CMVs) 中显示出显著的变化和不准确性. 三台呼吸机未能提供目标压力,突出了对ICU患者护理至关重要的性能差异.
科学领域:
- 生物医学工程 生物医学工程
- 呼吸系统护理 呼吸系统护理
- 关键护理医学 关键护理医学
背景情况:
- 越来越需要机械通风机的测试台,特别是压力控制持续强制通风模式 (PC-CMVs).
- 现有的文献和标准为通风器性能评估提供了基础.
- 在ICU中使用的运输和应急呼吸机中PC-CMV的操作变异性数据有限.
研究的目的:
- 评估PC-CMV在11台运输和应急呼吸机中的运行可变性.
- 为了确定在巴西COVID-19大流行期间使用的呼吸机的性能差异.
- 提供数据,帮助临床医生为特定的ICU场景选择合适的呼吸机.
主要方法:
- 使用PC-CMV的11台运输和应急机械通风机的实验室测试.
- 利用现有文献和NBR ISO 80601-2-12:2014标准中的测试场景.
- 在连续五次呼吸中计算了九个参数,分析了压力和流量波形.
主要成果:
- 大多数通风机都表现出在可接受容忍范围之外的启发压力和PEEP值.
- 三台通风机未能在指定的吸气时间内达到目标压力,特别是具有更高的时间常数.
- 在PC-CMV中的应急和运输通风机模型之间观察到显著的性能差异.
结论:
- 该研究揭示了在测试的呼吸机中PC-CMV的大量运行可变性和性能限制.
- 这些发现强调了严格测试的重要性,以确保在重症监护机构的呼吸机可靠性.
- 结果可以指导临床决策对呼吸机选择,特别是在资源有限或具有挑战性的情况.
相关概念视频
Ventilatory Modes
87
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
87
Mechanical Ventilation I: Indication and Settings
196
Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
196
Mechanical Ventilation II: Invasive Ventilation
114
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
114
Assessment of Ventilation I: Respiratory Rate
1.0K
Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
1.0K
Mechanical Ventilation III: Noninvasive Ventilation
81
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation...
Noninvasive Positive-Pressure Ventilation...
81
Cardiopulmonary Resuscitation II: ACLS Airway Management
2
Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned...
2

