Reusable Respirators can Viably Protect Healthcare Workers

by Mohamed Fathima S on December 8, 2018 at 1:01 PM

Healthcare workers can be effectively protected from air-borne infections or contaminants, for example influenza virus, by using half-facepiece reusable elastomeric respirators. Public health workers are exposed to infections during day-to-day work or with a sudden influx of patients during a public health emergency. But, problems such as storage, disinfection, and maintenance; training and education; user comfort and tolerability; and supply logistics and emergency stockpiling of reusable respirators need to be addressed.

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‘Reusable respirators are respiratory protection devices which protect healthcare personnel from airborne hazards during laboratory analysis, patient care and while handling dangerous medical waste.’

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Respirators are one component of a range of administrative, engineering, and environmental hazard controls and prevention strategies used in health care to protect workers from exposure to airborne hazards during patient care and laboratory analysis, and while handling hazardous medication or waste. Reusable respirators (made from elastomeric or flexible rubber-like materials) are the standard respiratory protection device used in many industries, especially for industrial purposes, and their durability and re-usability make them desirable for stockpiling in case of emergencies. They are not used widely in health care, however. Only two U.S. health institutions were identified by the study committee as using reusable elastomeric respirators either exclusively or primarily. Most health facilities use filtering facepiece respirators, often called N95s, which are disposable after one use or in between seeing patients.

The advantages of routine use of elastomeric respirators include increased familiarity of staff with these respirators and the continued improvement of policies and practices for cleaning, disinfection, and maintenance, leading to better preparedness during an emergency or pandemic situation. A smooth transition to surge use would be expedited and enhanced if reusable elastomeric respirators were a part of a health care facility's day-to-day respiratory protection program.

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Addressing the respiratory needs of health care workers across their wide range of settings and jobs -- including, for example, home health caregivers, rural clinic personnel, nursing home staff, and hospital staff -- is an ethical imperative, the report says. It will require the design of innovative reusable respirators and the implementation of robust respiratory protection programs. These should take into account the distinctive characteristics of the health care workplace, including responsibilities of caring for multiple patients with varying health conditions; sudden and non-routine need for respiratory protection; and the possibility of needing to address unknown, potentially lethal, and highly transmissible infectious agents.

In addition, urgent action is needed to resolve gaps in knowledge and leadership on transmissibility of airborne contaminants or infectious agents. This includes the lack of standardized processes for the cleaning and disinfection of reusable respirators, the need for consistent guidance and standards by regulatory and policy making authorities, and the need to establish accountability policies for each facility's respiratory protection program. The committee developed a set of recommendations for the National Institute for Occupational Safety and Health, National Center for Immunization and Respiratory Diseases, professional associations, and accrediting organizations, among others, to spur research; enable effective respiratory protection programs, training, and education; and ensure rapid and seamless implementation.

Source: Eurekalert

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