在喘中评估静止呼吸器效率:与健康受试者进行纵向比较
Monique van Oosten1,2, Arni Johnsen2, Bjorn Magnusson3
1Physiotherapy Monique slf, Mosfellsbaer, Iceland.
Physiological reports
|July 30, 2025
概括
喘患者和健康人群表现出类似的休息呼吸效率和呼吸模式,在一年内保持稳定. 然而,喘患者始终表现出更短的喘息时间 (BHT),这表明喘息感知增加.
科学领域:
- 呼吸系统生理学 呼吸系统生理学
- 临床医学 临床医学
背景情况:
- 呼吸功能障碍在喘中很普遍,通常通过问卷和观察来评估,但很少测量通风效率.
- 目前用于评估喘患者呼吸效率的方法有限.
研究的目的:
- 为了比较喘患者和健康受试者之间的休息呼吸效率.
- 评估两组人体通风和呼吸模式参数的一年稳定性.
- 为了研究喘控制和呼吸参数之间的关系.
主要方法:
- 测量包括通风 (VE),呼吸率 (RR),潮体积 (VT),二氧化碳输出量 (VCO2),二氧化碳潮尾部分压力 (PETCO2),螺旋计,以及在基线和随访时的喘息时间 (BHT).
- 计算了通风效率 (VE/VCO2) 和呼吸模式 (RR/VT).
- 喘控制测试 (ACT) 用于评估喘控制.
主要成果:
- 在基线,喘患者 (n=30) 和健康受试者 (n=23) 显示出类似的呼吸参数,除了BHT和PETCO2.
- 只有BHT在一年内发生了变化,在两组中都增加了,但在喘患者中仍然较短.
- 呼吸效率 (VE/VCO2) 和呼吸模式 (RR/VT) 在两组人群中都在一年内相似且稳定,尽管喘患者的BHT较短.
结论:
- 在喘患者和健康人群中,休息呼吸效率和呼吸模式是可比的,并且在一年内保持稳定.
- 在喘患者中,较短的BHT可能表明对呼吸障碍的敏感性增加,即使在正常休息通风的情况下.
- 对呼吸器效率的客观测量可以提供比传统喘管理方法更精确的评估.
相关概念视频
Respiratory Volumes and Capacities
2.7K
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...
2.7K
Assessment of Respiration
1.3K
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...
1.3K
Assessment of Ventilation I: Respiratory Rate
1.3K
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:
1.3K
Factors Affecting Pulmonary Ventilation
1.6K
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
1.6K
Assessment of Ventilation II: Respiratory Depth and Rhythm
1.8K
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:
1.8K
Physical Assessment of the Respiratory Tract II: Inspection
407
Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
Chest Configuration
The chest configuration...
407


