Gas composition and pressure in the hypopharynx during high-flow oxygen therapy through a nasal cannula in healthy volunteers with different breathing patterns

Gas composition and pressure in the hypopharynx during high-flow oxygen therapy through a nasal cannula in healthy volunteers with different breathing patterns

Abstract Background High-flow nasal cannula is widespread in patients with hypoxemic and hypercapnic respiratory failure, but physiological data concerning influence of the combination of breathing pattern, preset flow rate (PFR), and inspiratory oxygen fraction (FDO2) on end-expiratory pressure (EE...

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Main Authors: Andrey I. Yaroshetskiy, Anna P. Krasnoshchekova, Fedor D. Tkachenko, Alina V. Rubashchenko, Daniil D. Zubarev, Vasiliy D. Konanykhin, Maxim I. Savelenok, Maxim M. Nosenko, Zamira M. Merzhoeva, Sergey N. Avdeev
Format: Article
Language:English
Published: BMC 2025-08-01
Series:BMC Anesthesiology
Subjects:
Airway pressure
High-flow nasal cannula
Oximetry
Capnography
Physiological effects
Online Access:https://doi.org/10.1186/s12871-025-03267-9
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https://doi.org/10.1186/s12871-025-03267-9

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