Effect of nasal airway nonlinearities on oscillometric resistance measurements in infants | Zendy

Bence Radics | Zendy; Gergely Makan | Zendy; Thibault Coppens | Zendy; Nicolás André | Zendy; C. Page | Zendy; Loïc Dégrugilliers | Zendy; Sam Bayat | Zendy; Zoltán Gingl | Zendy; Zita Gyurkovits | Zendy; Tivadar M. Tóth | Zendy; Zoltán Hantos | Zendy

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Effect of nasal airway nonlinearities on oscillometric resistance measurements in infants

Author(s) -

Bence Radics,

Gergely Makan,

Thibault Coppens,

Nicolás André,

C. Page,

Loïc Dégrugilliers,

Sam Bayat,

Zoltán Gingl,

Zita Gyurkovits,

Tivadar M. Tóth,

Zoltán Hantos

Publication year - 2020

Publication title -

journal of applied physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.253

H-Index - 229

eISSN - 8750-7587

pISSN - 1522-1601

DOI - 10.1152/japplphysiol.00128.2020

Subject(s) - airway resistance , acceleration , airway , respiratory system , in vivo , biomedical engineering , flow resistance , medicine , materials science , flow (mathematics) , anesthesia , physics , mechanics , biology , microbiology and biotechnology , classical mechanics

Oscillometric measurements of respiratory system resistance (R rs ) in infants are usually made via the nasal pathways, which not only significantly contribute to overall R rs but also introduce marked flow acceleration-dependent distortions. Here, we propose a method for correcting flow acceleration-dependent nonlinearity error based on in vitro measurements in 3D-printed upper airway casts of infants as well as in vivo measurements. This correction can be adapted to estimate R rs from a single intrabreath oscillometric measurement.

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