评估在压力支通风过程中启发力度的非侵入性指标之间的一致性
Wen-Yi Lv1,2, Shuai Liu1, Linlin Zhang1
1Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Frontiers in medicine
|March 20, 2025
概括
压力支通风 (PSV) 的非侵入性指标显示出不同的相关性和一致性. 虽然一些指标如 ΔPocc 和 P0.1 显示出中等一致性,但其他指标如 PMI 和 P0.1 缺乏显著的相关性,影响了临床使用.
科学领域:
- 关键护理医学 关键护理医学
- 呼吸系统生理学 呼吸系统生理学
- 机械通风机械通风机械通风机
背景情况:
- 在压力支通风 (PSV) 过程中精确评估吸气力非常重要.
- 评估启发性努力的非侵入性指标已得到验证,但它们的指标间的相关性和一致性尚未得到充分理解.
- 了解这些关系对于可靠的患者监测至关重要.
研究的目的:
- 调查PSV期间非侵入性启发性努力指标之间的相关性和一致性.
- 为了比较神经临界患者与非神经临界患者的启发性努力的特征.
- 为了澄清不同的非侵入性措施的临床效用.
主要方法:
- 这是一项前性观察性研究,涉及97名患者.
- 收集了三个非侵入性指标:压力肌肉指数 (PMI),呼吸道阻塞期间气道压力的最大负摆动 (ΔPocc),以及在前100毫秒内气道阻塞压力 (P0.1).
- 使用Spearman的等级测试和使用线性加权卡帕分析的协议分析了相关性,比较神经临界和非神经临界组.
主要成果:
- 在PMI和ΔPocc (rho = -0.524) 之间以及在ΔPocc和P0.1 (rho = 0.588) 之间发现了适度的相关性.
- 在PMI和P0.1之间没有观察到显著的相关性 (rho = -0.140).
- 在 ΔPocc 和 P0.1 之间存在适度的协议 (k = 0.459),在 PMI 和 ΔPocc 之间存在公平的协议 (k = 0.362),在 PMI 和 P0.1 (k = 0.134) 之间没有协议.
结论:
- 非侵入性启发性努力指标在PSV期间表现出可变的相关性和一致性.
- ΔPocc和P0.1显示中度的相关性和一致性,而PMI和P0.1缺乏这两者.
- 研究结果表明,在交替使用PMI和P0.1时应谨慎,神经临界患者的潜在差异需要进一步调查.
更多相关视频
08:34Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
Published on: September 16, 2019
11.5K
09:37Evaluation of Respiratory Muscle Activation Using Respiratory Motor Control Assessment RMCA in Individuals with Chronic Spinal Cord Injury
Published on: July 19, 2013
10.2K
相关概念视频
01:20Assessment of Ventilation I: Respiratory Rate
978
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:
978
01:30Assessment of Airway, Skin Color, and Use of Accessory Muscles
946
A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
Introduction
The initial evaluation of a patient's respiratory system...
946
01:23Assessment of Respiration
1.0K
The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
1.0K
01:29Assessment of Ventilation II: Respiratory Depth and Rhythm
1.3K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
1.3K
01:14Ventilatory Modes
47
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...
47
01:23Mechanical Ventilation III: Noninvasive Ventilation
68
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...
68