A novel Venturi system to generate high flow with titratable FiO2

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Field Value
 
Title A novel Venturi system to generate high flow with titratable FiO2
 
Creator Coppadoro, Andrea
Bellani, Giacomo
 
Subject CPAP
Noninvasive ventilation
Acute Respiratory Failure
Oxygen
 
Description Venturi-based flow generators are commonly used for noninvasive continuous positive airway pressure (CPAP) of high-flow nasal oxygen (HFNO). The system is simple and allows to increase the total flow while decreasing the FiO2 starting from a single oxygen source.
In this report we describe the characteristics and performance of a novel Venturi system (EasyVEE, Levate, BG, Italy), which allows to vary the size of the port through which ambient air is entrained, hence allowing a continuous modulation of FiO2.
The system allowed to modify FiO2 continuously between 35% and 80% and, consequently, a 1.5- to 4.5-fold increase of the total flow rate. A minimal decrease in entrainment performance was observed for positive end-expiratory pressure levels above 12.5 cmH2O.
EasyVEE system appears to be a simple, flexible, and reliable solution to generate continuous flow for noninvasive respiratory support interfaces.
 
Publisher AboutScience srl - Piazza Duca d'Aosta 12 - 20124 Milano MI (Italy)
 
Date 2021-10-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Brief report
 
Format application/pdf
application/epub+zip
text/html
 
Identifier https://journals.aboutscience.eu/index.php/aboutopen/article/view/2284
10.33393/ao.2021.2284
 
Source AboutOpen; Vol. 8 No. 1 (2021): January-December 2021; 88-91
AboutOpen; V. 8 N. 1 (2021): January-December 2021; 88-91
2465-2628
 
Language eng
 
Relation https://journals.aboutscience.eu/index.php/aboutopen/article/view/2284/2468
https://journals.aboutscience.eu/index.php/aboutopen/article/view/2284/2469
https://journals.aboutscience.eu/index.php/aboutopen/article/view/2284/2470
 
Rights Copyright (c) 2021 Andrea Coppadoro, Giacomo Bellani
https://creativecommons.org/licenses/by-nc/4.0
 

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