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Conducting Respiratory Oscillometry in an Outpatient Setting
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Oscillometry reference values for children and adolescents
Christoph Valach1,2,3, Emiel F M Wouters1,2,3, Alina Ofenheimer1,3
1Ludwig Boltzmann Institute for Lung Health, Vienna, Austria.
ERJ Open Research
|December 19, 2024
Summary
This study establishes new reference values for respiratory oscillometry in children and adolescents, finding no sex differences when accounting for height and lung size. These findings aid in assessing pediatric respiratory function.
Area of Science:
- Pediatric Pulmonology
- Respiratory Physiology
- Medical Device Validation
Background:
- Oscillometry is valuable for assessing respiratory function during tidal breathing.
- A scarcity of device-specific reference equations limits its application in pediatric populations.
- This study addresses the need for normative data for the Resmon PRO FULL oscillometry device.
Purpose of the Study:
- To develop sex-specific oscillometric reference values for children and adolescents.
- To create prediction equations for key respiratory parameters using the Resmon PRO FULL device.
- To provide normative data for total, inspiratory, and expiratory resistance (R) and reactance (X), and impedance (Z).
Main Methods:
- Utilized data from 981 healthy Austrian children and adolescents (aged 6-17 years).
- Included participants with normal weight and lung volumes (TLC).
- Employed the LMS method with height as the sole covariate to generate sex-specific prediction equations for oscillometry parameters at 8 Hz.
Main Results:
- Generated reference equations for oscillometry parameters in Caucasian children (6-17 years) across a height range of 101-183 cm and TLC of 1.7-8.8 L.
- Observed that resistance (R) and impedance (Z) decrease, while reactance (X) increases with greater height.
- Found no significant sex differences in oscillometry parameters when stratified by lung size.
Conclusions:
- The study provides crucial reference values for pediatric oscillometry using the Resmon PRO FULL device.
- Strict criteria for weight and lung volumes ensure the reliability of the generated reference data.
- Corrected for height or lung size, oscillometry parameters show no sex-related differences in this pediatric cohort.
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