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N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study

BACKGROUND: N95 filtering facepiece respirators (N95 respirators) may not provide adequate protection against respiratory infections during chest compression due to inappropriate fitting. METHODS: This was a single-center simulation study performed from December 1, 2016, to December 31, 2016. Each p...

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Autores principales: Hwang, Sung Yeon, Yoon, Hee, Yoon, Aerin, Kim, Taerim, Lee, Guntak, Jung, Kwang Yul, Park, Joo Hyun, Shin, Tae Gun, Cha, Won Chul, Sim, Min Seob, Kim, Seonwoo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier Inc. 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7125572/
https://www.ncbi.nlm.nih.gov/pubmed/30955924
http://dx.doi.org/10.1016/j.ajem.2019.03.041
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author Hwang, Sung Yeon
Yoon, Hee
Yoon, Aerin
Kim, Taerim
Lee, Guntak
Jung, Kwang Yul
Park, Joo Hyun
Shin, Tae Gun
Cha, Won Chul
Sim, Min Seob
Kim, Seonwoo
author_facet Hwang, Sung Yeon
Yoon, Hee
Yoon, Aerin
Kim, Taerim
Lee, Guntak
Jung, Kwang Yul
Park, Joo Hyun
Shin, Tae Gun
Cha, Won Chul
Sim, Min Seob
Kim, Seonwoo
author_sort Hwang, Sung Yeon
collection PubMed
description BACKGROUND: N95 filtering facepiece respirators (N95 respirators) may not provide adequate protection against respiratory infections during chest compression due to inappropriate fitting. METHODS: This was a single-center simulation study performed from December 1, 2016, to December 31, 2016. Each participant underwent quantitative fit test (QNFT) of N95 respirators according to the Occupational Safety and Health Administration protocol. Adequacy of respirator fit was represented by the fit factor (FF), which is calculated as the number of ambient particles divided by the number inside the respirator. We divided all participants into the group that passed the overall fit test but failed at least one individual exercise (partially passed group [PPG]) and the group that passed all exercises (all passed group [APG]). Then, the participants performed three sessions of continuous chest compressions, each with a duration of 2 min, while undergoing real-time fit testing. The primary outcome was any failure (FF < 100) of the fit test during the three bouts of chest compression. RESULTS: Forty-four participants passed the QNFT. Overall, 73% (n = 32) of the participants failed at least one of the three sessions of chest compression; the number of participants who failed was significantly higher in the PPG than in the APG (94% vs. 61%; p = 0.02). Approximately 18% (n = 8) of the participants experienced mask fit failures, such as strap slipping. CONCLUSIONS: Even if the participants passed the QNFT, the N95 respirator did not provide adequate protection against respiratory infections during chest compression.
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spelling pubmed-71255722020-04-08 N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study Hwang, Sung Yeon Yoon, Hee Yoon, Aerin Kim, Taerim Lee, Guntak Jung, Kwang Yul Park, Joo Hyun Shin, Tae Gun Cha, Won Chul Sim, Min Seob Kim, Seonwoo Am J Emerg Med Article BACKGROUND: N95 filtering facepiece respirators (N95 respirators) may not provide adequate protection against respiratory infections during chest compression due to inappropriate fitting. METHODS: This was a single-center simulation study performed from December 1, 2016, to December 31, 2016. Each participant underwent quantitative fit test (QNFT) of N95 respirators according to the Occupational Safety and Health Administration protocol. Adequacy of respirator fit was represented by the fit factor (FF), which is calculated as the number of ambient particles divided by the number inside the respirator. We divided all participants into the group that passed the overall fit test but failed at least one individual exercise (partially passed group [PPG]) and the group that passed all exercises (all passed group [APG]). Then, the participants performed three sessions of continuous chest compressions, each with a duration of 2 min, while undergoing real-time fit testing. The primary outcome was any failure (FF < 100) of the fit test during the three bouts of chest compression. RESULTS: Forty-four participants passed the QNFT. Overall, 73% (n = 32) of the participants failed at least one of the three sessions of chest compression; the number of participants who failed was significantly higher in the PPG than in the APG (94% vs. 61%; p = 0.02). Approximately 18% (n = 8) of the participants experienced mask fit failures, such as strap slipping. CONCLUSIONS: Even if the participants passed the QNFT, the N95 respirator did not provide adequate protection against respiratory infections during chest compression. Elsevier Inc. 2020-01 2019-03-27 /pmc/articles/PMC7125572/ /pubmed/30955924 http://dx.doi.org/10.1016/j.ajem.2019.03.041 Text en © 2019 Elsevier Inc. All rights reserved. Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
spellingShingle Article
Hwang, Sung Yeon
Yoon, Hee
Yoon, Aerin
Kim, Taerim
Lee, Guntak
Jung, Kwang Yul
Park, Joo Hyun
Shin, Tae Gun
Cha, Won Chul
Sim, Min Seob
Kim, Seonwoo
N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study
title N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study
title_full N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study
title_fullStr N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study
title_full_unstemmed N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study
title_short N95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: A simulation study
title_sort n95 filtering facepiece respirators do not reliably afford respiratory protection during chest compression: a simulation study
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7125572/
https://www.ncbi.nlm.nih.gov/pubmed/30955924
http://dx.doi.org/10.1016/j.ajem.2019.03.041
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