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Home Outbreak News

Reusable Respirators May Be a Suitable Alternative to Disposable Respirators

A reusable alternative to N95 respirators for which health care personnel can be rapidly assessed for fit and trained for use is needed.

by Global Biodefense Staff
March 28, 2020
Health Officials Confirm Second Case of Coronavirus in Bay Area

Colorized scanning electron micrograph of coronavirus particles

A reusable alternative to N95 respirators for which health care personnel can be rapidly assessed for fit (fit testing) and trained for use is needed. Elastomeric half-mask respirators (EHMRs), which provide the same level of respiratory protection as N95 respirators, are one alternative.

Shortages of respiratory protective devices for healthcare personnel are major concerns during the COVID-19 pandemic. A team of researchers at Baylor College of Medicine, Emory University, the University of Texas Health Science Center at Houston and the National Institute for Occupational Safety and Health Centers at the Centers for Disease Control and Prevention have found that reusable respirators may be a suitable alternative to disposable N95 respirators currently in high demand.

“Training and fit testing healthcare providers on respirators can be time consuming, and in an epidemic we want to train and fit test a large number of workers quickly,” said first and corresponding author Dr. Lisa A. Pompeii, professor of pediatrics – epidemiology at Baylor.

In this study, the researchers compared the time it takes to fit test and train healthcare personnel in the use of disposable respirators versus reusable elastomeric half-mask respirators that provide the same level of respiratory protection as N95 respirators. They found that healthcare personnel learned to use the reusable respirator quickly and that it took no more time to fit test them than it would take a disposable respirator.

“Our study shows that training and fit testing workers on these reusable respirators does not represent a barrier for possible use by hospitals,” Pompeii said. “An advantage of reusable respirators is that there is no need to stockpile them.”

The study did not assess cost considerations, had a relatively small number of participants, and focused on fit testing, not actual use of EHMRs. Better understanding about the efficacy and feasibility of disinfection methods are key. However, combined with an Occupational Safety and Health Administration respiratory protection program, the EHMR may serve as a suitable alternative to disposable N95 respirators during public health emergencies.

This study was funded by the Centers for Disease Control and Prevention’s National Personal Protective Technology Laboratory.

Training and Fit Testing of Health Care Personnel for Reusable Elastomeric Half-Mask Respirators Compared With Disposable N95 Respirators. JAMA. Published online: 25 March 2020.

Tags: CBRN EquipmentEditor PickFrontline RespondersHealth ProfessionalsIndividual ProtectionMagazine Edition 11 April 2020SARS-CoV-2

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