Quality control in respiratory oscillometry: reproducibility measures ignoring reactance?

Zoltán Hantos; Joyce K Y Wu; Ronald J Dandurand; Chung-Wai Chow

doi:10.1183/23120541.00070-2023

Quality control in respiratory oscillometry: reproducibility measures ignoring reactance?

ERJ Open Res. 2023 Jun 26;9(3):00070-2023. doi: 10.1183/23120541.00070-2023. eCollection 2023 May.

Authors

Zoltán Hantos¹, Joyce K Y Wu², Ronald J Dandurand^{3

4}, Chung-Wai Chow⁵

Affiliations

¹ Department of Anaesthesiology, Semmelweis University, Budapest, Hungary.
² Pulmonary Function Laboratory, Toronto General Hospital, University Health Network, Toronto, ON, Canada.
³ Lakeshore General Hospital, Pointe-Claire, QC, Canada.
⁴ Oscillometry Unit of the Centre for Innovative Medicine and Meakins-Christie Labs, McGill University Health Centre, and McGill University, Montreal, QC, Canada.
⁵ Division of Respirology, Toronto General Hospital, University Health Network, Toronto, ON, Canada.

Abstract

This study demonstrates the inadequacy of the current technical standards of oscillometry that are based on the within-trial reproducibility of the lowest-frequency R_rs, and suggests the use of a simple variability measure encompassing both R_rs and X_rs https://bit.ly/3AYRid6.