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Evaluation of the rationale for concurrent use of N95 filtering facepiece respirators with loose-fitting powered air-purifying respirators during aerosol-generating medical procedures.

Authors
Roberge-RJ
Source
Am J Infect Control 2008 Mar; 36(2):135-141
NIOSHTIC No.
20033504
Abstract
The concurrent use of N95 filtering facepiece respirators with powered air-purifying respirators during aerosol-generating medical procedures in patients with severe respiratory pathogens has been promoted as offering additional protection against infectious agents. The purpose of this article is to examine the impact of this additional respiratory equipment upon protection and personal performance. The presumed additive protective effect of an N95 filtering facepiece respirator used concurrently with a powered air-purifying respirator has not been subjected to rigorous scientific investigation. The burden imposed by additional respiratory protective equipment should not be discounted, and the potentially minor contribution to protection may be offset by the negative impact on personal performance. Novel uses of protective equipment occasionally are spawned during crisis situations, but their generalized applicability to healthcare workers should ultimately be evidence-based.
Keywords
Risk-analysis; Work-analysis; Work-operations; Respiratory-hypersensitivity; Respirators; Respiratory-equipment; Respiratory-function-tests; Respiratory-irritants; Respiratory-protection; Respiratory-protective-equipment; Air-filters; Air-monitoring; Air-purifying-respirators; Air-quality-monitoring
Contact
Raymond J. Roberge MD, MPH, National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Pittsburgh, PA 15236
CODEN
AJICDC
Publication Date
20080301
Document Type
Journal Article
Email Address
dtn0@cdc.gov
Fiscal Year
2008
NTIS Accession No.
NTIS Price
Issue of Publication
2
ISSN
0196-6553
NIOSH Division
NPPTL
Source Name
American Journal of Infection Control
State
PA
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