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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7294768 | PMC |
| http://dx.doi.org/10.1186/s13756-020-00753-2 | DOI Listing |
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N95 Filtering Facepiece Respirator Reuse, Extended Use, and Filtration Efficiency.
JAMA Netw Open
October 2024
Department of Emergency Medicine, University of California, San Francisco.
Effect of wearing N95 masks for 10 hours on ambulatory blood pressure in healthy adults.
Blood Press Monit
September 2024
Exercise and Nutritional Sciences, College of Natural Science, Grand Canyon University, Phoenix, Arizona, USA.
The impact of wearing a face mask for an extended duration is unknown. This study aimed to determine if wearing a face mask for 10 h impacts blood pressure (BP) and arterial stiffness. Subjects received an ambulatory blood pressure cuff and were asked to wear it for 10 h while readings were taken every 15 min.
View Article and Find Full Text PDFN95 respirator seal integrity following extended-use by healthcare workers in the intensive care unit: A cohort study.
Aust Crit Care
August 2024
Monash Health - Intensive Care Services, Clayton, VIC, Australia.
Aim/objectives: Fit testing of N95/FFP2 respirators is universally recommended before exposure to airborne infectious diseases such as COVID-19. Respirator supply shortage in the COVID-19 pandemic encouraged extended-use for up to 4 h, despite uncertainty about seal integrity over time. The aim of our study was to assess N95 seal integrity after at least 2 h of continuous clinical use in the intensive care unit (ICU).
View Article and Find Full Text PDFReuse of N95/PFF2 masks in clinical practice: morphological and structural analysis.
Rev Lat Am Enfermagem
July 2024
Universidade Federal de Minas Gerais, Escola de Enfermagem, Belo Horizonte, MG, Brazil.
Objective: to analyze the integrity of N95/PFF2 masks in relation to fiber morphology, porosity, cracks and micro holes, as well as identify visible damage to their structure and components, after seven- and fifteen-day reuse protocols.
Method: cross-sectional study. Structural and morphological characteristics of a new N95/PFF2 mask were analyzed in comparison with N95/PFF2 masks (n=10) used in seven- and fifteen-day protocols, through visual inspection and scanning electron microscopy.
Which Mask, N95 or Surgical Mask, Causes Hoarseness in Healthcare Workers?
J Voice
June 2024
Department of Otorhinolaryngology and Head and Neck Surgery, Ankara Private Practice Dr, Etlik City Hospital, Ankara, Turkey.
Objectives: This study aimed to determine the impact of different types of masks on the voices of healthcare professionals who had to wear masks for an extended amount of time during the pandemic period and had a healthy voice.
Methods: Our research included 41 healthcare workers. The participants were separated into two groups: surgical (n = 21) and N95 mask users (n = 20).
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