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Comparing the protective performances of 3 types of N95 filtering facepiece respirators during chest compressions: A randomized simulation study

Title
Comparing the protective performances of 3 types of N95 filtering facepiece respirators during chest compressions: A randomized simulation study
Author
오재훈
Keywords
airborne infection; chest compression; fit factor; N95 filtering facepiece respirator
Issue Date
2017-10
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Citation
MEDICINE, v. 96, no. 42, Article no. e8308
Abstract
Objective:Healthcare providers in emergency departments should wear respirators for infection protection. However, the wearer's vigorous movements during cardiopulmonary resuscitation may affect the protective performance of the respirator. Herein, we aimed to assess the effects of chest compressions (CCs) on the protective performance of respirators.Methods:This crossover study evaluated 30 healthcare providers from 1 emergency department who performed CC with real-time feedback. The first, second, and third groups started with a cup-type, fold-type, and valve-type respirator, respectively, after which the respirators were randomized for each group. The fit factors were measured using a quantitative fit testing device before and during the CC in each experiment. The protection rate was defined as the proportion of respirators achieving a fit factor 100.Results:The fold-type respirator had a significantly greater protection rate at baseline (100.0%0.0%) compared to the cup-type (73.6%+/- 39.6%, P=.003) and valve-type respirators (87.5%+/- 30.3%, P=.012). During the CC, the fit factor values significantly decreased for the cup-type (44.9%+/- 42.8%, P<.001) and valve-type respirators (59.5%+/- 41.7%, P=.002), but not for the fold-type respirator (93.2%+/- 21.7%, P=.095).Conclusions:The protective performances of respirators may be influenced by CC. Healthcare providers should identify the respirator that provides the best fit for their intended tasks.
URI
https://insights.ovid.com/crossref?an=00005792-201710200-00073http://repository.hanyang.ac.kr/handle/20.500.11754/116022
ISSN
0025-7974; 1536-5964
DOI
10.1097/MD.0000000000008308
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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