Related Experiment Video
Updated: Jun 24, 2025
14:49
Conducting Respiratory Oscillometry in an Outpatient Setting
Published on: April 8, 2022
7.0K
Reference Equations for Within-Breath Respiratory Oscillometry in White Adults
Chiara Veneroni1, Alessandro Gobbi2, Pasquale Pio Pompilio2
1Department of Electronics, Information and Bioengineering, Politecnico di Milano University, Milan, Italy, chiara.vene@gmail.com.
Summary
This study establishes crucial reference ranges for within-breath and whole-breath oscillometry parameters in White adults. These new equations, derived using multi-sinusoidal oscillations, improve the sensitivity and specificity of respiratory assessments.
Area of Science:
- Respiratory Physiology
- Pulmonary Function Testing
- Biomedical Engineering
Background:
- Within-breath analysis of oscillometry enhances detection of respiratory conditions.
- Existing reference equations lack data from multi-sinusoidal devices and for within-breath parameters.
- Need for updated reference ranges in White adults using advanced oscillometry techniques.
Purpose of the Study:
- Establish reference ranges for oscillometry parameters, including within-breath measures, in White adults.
- Utilize multi-sinusoidal oscillations for broader applicability.
- Provide a foundation for improved respiratory diagnostics.
Main Methods:
- Included 144 healthy White adults (age 20.8-86.3 years) meeting specific health criteria.
- Performed multi-sinusoidal oscillometry (5-11-19 Hz) across 5 international centers.
- Applied lambda-mu-sigma models to derive reference equations for 29 oscillatory parameters.
Main Results:
- Derived reference equations for 29 oscillatory parameters, including within-breath measures.
- Observed similar predicted values for inspiratory and expiratory parameters.
- Identified differences in the limits of normality between inspiratory and expiratory measures.
Conclusions:
- Successfully derived reference equations for within-breath and whole-breath oscillometry parameters in White adults.
- Equations exhibit narrow confidence intervals, enhancing their clinical utility.
- These findings support more precise respiratory condition assessment.
More Related Videos
Related Concept Videos
01:19Special considerations while measuring oxygen saturation
587
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...
587
01:22Respiratory Volumes and Capacities
1.9K
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...
1.9K
01:20Assessment of Ventilation I: Respiratory Rate
1.1K
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:
1.1K
01:17Assessment of Diffusion and Perfusion
971
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...
971
01:27Physical Assessment of the Respiratory Tract II: Inspection
277
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...
277
01:26Respiratory Volumes and Capacities I
988
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...
988