相关实验视频
Updated: Jan 8, 2026

14:49
Conducting Respiratory Oscillometry in an Outpatient Setting
Published on: April 8, 2022
8.2K
在患有喘或COPD的成年人中解释呼吸系统振荡计:国际Delphi研究的发现
Li Ping Chung1, Bruce Thompson2, Gregory King3
1Fiona Stanley Hospital, Murdoch, WA, Australia.
ERJ open research
|December 17, 2025
概括
呼吸系统振荡计有助于解释喘和COPD患者的肺功能. 专家的共识现在澄清了它用于评估肺机械和支气管扩展剂反应的用途.
科学领域:
- 肺生理学和诊断的肺部.
- 呼吸系统药物 呼吸系统药物
- 肺功能测试的临床解释
背景情况:
- 呼吸系统振荡计为肺机械提供了超越螺旋计的洞察力.
- 解释方面的挑战阻碍了对振荡计的常规临床采用.
- 这项研究旨在为患有喘或COPD的成年人标准化振荡度解释.
研究的目的:
- 开发专家共识陈述来解释成年人呼吸系统振荡计.
- 以指导临床医生识别异常的肺功能和支气管扩展剂反应使用振荡计.
- 建立在振荡计参数中临床重要差异最小的标准.
主要方法:
- 采用了Delphi方法,涉及60名肺病学家在三轮的治疗中.
- 共识声明是通过头脑风暴和评估轮开发和完善的.
- 共识被定义为至少70%的参与专家之间的协议.
主要成果:
- 专家们一致认为,振荡计在评估肺功能和支气管扩展剂反应方面具有临床实用性.
- 通过使用z-score来解释5 Hz的电阻 (R5),5 Hz的反应率 (X5) 和反应率曲线 (AX) 下的面积,达到了高度共识.
- 还达成协议,使用R5,X5和AX的百分比变化来测量支气管扩展剂反应.
结论:
- 这项国际Delphi研究提供了基于证据的专家指导,用于呼吸振荡计的解释.
- 对关键振荡计参数 (R5,X5,AX) 的标准化解释可以提高临床信心.
- 经常使用振荡计可以改善肺功能,严重程度,进展和治疗反应的评估.
相关概念视频
Assessment of Ventilation II: Respiratory Depth and Rhythm
2.4K
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:
2.4K
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
3.1K
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Medical History
3.1K
Respiratory System Abnormal Finding I: Inspection and Percussion
734
Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
734
Assessment of Diffusion and Perfusion
1.5K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.5K
Physical Assessment of the Respiratory Tract II: Inspection
810
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...
810
Special considerations while measuring oxygen saturation
875
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
875

