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Related Concept Videos

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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.
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Related Experiment Video

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Conducting Respiratory Oscillometry in an Outpatient Setting
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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.

Respiration; International Review of Thoracic Diseases
|June 6, 2024
PubMed
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.

Keywords:
Forced oscillation techniquePulmonary mechanicsReference valuesRespiratory function test

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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.