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Critical Care
Published in: Critical Care 1/2021

01-12-2021 | Research Letter

Effects of surgical masks on droplet dispersion under various oxygen delivery modalities

Authors: Takahiro Takazono, Kazuko Yamamoto, Ryuta Okamoto, Shimpei Morimoto, Koichi Izumikawa, Hiroshi Mukae

Published in: Critical Care | Issue 1/2021

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Excerpt

Aerosol dispersion under oxygen delivery modalities, including the high-flow nasal cannula (HFNC), is a critical concern for healthcare workers who have treated acute hypoxemic respiratory failure during the coronavirus disease (COVID-19) pandemic. Whether HFNC increases the aerosol dispersion is still controversial [1‐3]. This study aimed to visualize and quantify dispersion particles under various oxygen delivery modalities and examine the protective effect of surgical masks on particle dispersion. …
Literature
1.
Elshof J, Hebbink RHJ, Duiverman ML, Hagmeijer R. High-flow nasal cannula for COVID-19 patients: risk of bio-aerosol dispersion. Eur Respir J. 2020;56(4):2003004.CrossRef
2.
Hui DS, Chow BK, Lo T, Tsang OTY, Ko FW, Ng SS, et al. Exhaled air dispersion during high-flow nasal cannula therapy versus CPAP via different masks. Eur Respir J. 2019;53(4):1802339.CrossRef
3.
Gaeckle NT, Lee J, Park Y, Kreykes G, Evans MD, Hogan CJ Jr. Aerosol generation from the respiratory tract with various modes of oxygen delivery. Am J Respir Crit Care Med. 2020;202(8):1115–24.CrossRef
Metadata
Title
Effects of surgical masks on droplet dispersion under various oxygen delivery modalities
Authors
Takahiro Takazono
Kazuko Yamamoto
Ryuta Okamoto
Shimpei Morimoto
Koichi Izumikawa
Hiroshi Mukae
Publication date
01-12-2021
Publisher
BioMed Central
Published in
Critical Care / Issue 1/2021
Electronic ISSN: 1364-8535
DOI
https://doi.org/10.1186/s13054-021-03512-w

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