| Pulmonary and heart rate responses to wearing N95 filtering facepiece respirators. | |
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MedLine Citation:
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PMID: 22944510 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Filtering facepiece respirators are the most common respirator worn by US health care and industrial workers, yet little is known on the physiologic impact of wearing this protective equipment. METHODS: Twenty young, healthy subjects exercised on a treadmill at a low-moderate (5.6 km/h) work rate while wearing 4 different models of N95 filtering facepiece respirators for 1 hour each, 2 models of which were equipped with exhalation valves, while being monitored for physiologic variables. RESULTS: Compared with controls, respirator use was associated with mean 1 hour increases in heart rate (range, 5.7-10.6 beats per minute, P < .001), respiratory rate (range, 1.4-2.4 breaths per minute, P < .05), and transcutaneous carbon dioxide (range, 1.7-3.0 mm Hg, P < .001). No significant differences in oxygen saturation between controls and respirators were noted (P > .05). CONCLUSION: The pulmonary and heart rate responses to wearing a filtering facepiece respirator for 1 hour at a low-moderate work rate are relatively small and should generally be well tolerated by healthy persons. |
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Authors:
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Jung-Hyun Kim; Stacey M Benson; Raymond J Roberge |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-8-31 |
Journal Detail:
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Title: American journal of infection control Volume: - ISSN: 1527-3296 ISO Abbreviation: Am J Infect Control Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-9-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8004854 Medline TA: Am J Infect Control Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Published by Mosby, Inc. |
Affiliation:
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National Personal Protective Technology Laboratory/National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Pittsburgh, PA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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