Key result
Impulse Oscillometry (IOS) demonstrates high sensitivity for diagnosing and monitoring obstructive pathologies like asthma and COPD, with parameters Ax and R5-R20 correlating with disease severity.
Why the study?
Does Impulse Oscillometry improve the diagnosis and monitoring of obstructive pathologies in patients with asthma and COPD?
Does Impulse Oscillometry improve the diagnosis and monitoring of obstructive pathologies in patients with asthma and COPD?
Impulse Oscillometry is a highly sensitive, non-invasive method for assessing respiratory mechanics in asthma and COPD, though it requires standardization for broader clinical integration.
IOS may aid sensitive detection of peripheral airway changes in asthma and COPD; leaves open need for prospective validation before routine use.
Impulse Oscillometry (IOS) is a non-invasive method for assessing respiratory mechanics, enabling the analysis of airway resistance and reactance at different levels (from large bronchi to peripheral compartments). The article discusses the method’s principles, key parameters (R5, R20, X5, Ax, Fres), and their clinical interpretation in asthma and COPD, based on literature data and clinical cases. Current evidence highlights IOS’s high sensitivity for diagnosing and monitoring obstructive pathologies. Parameters Ax and R5 − R20 correlate with disease severity and treatment efficacy; however, the method’s integration into clinical practice requires standardization of reference values and inclusion in international guidelines (GOLD, GINA).
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Игнатова et al. (2025) conducted a review in Asthma and COPD. Impulse Oscillometry (IOS) was evaluated. Impulse Oscillometry (IOS) demonstrates high sensitivity for diagnosing and monitoring obstructive pathologies like asthma and COPD, with parameters Ax and R5-R20 correlating with disease severity.
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