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Modifying a Full-Face Snorkel Mask to Meet N95 Respirator Standards for Use With Coronavirus Disease 2019 Patients.
Kechli, Mohamad Karim; Lerman, Jerrold; Ross, Mary M.
  • Kechli MK; From the Department of Anesthesiology, Oishei Children's Hospital, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York.
  • Lerman J; From the Department of Anesthesiology, Oishei Children's Hospital, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York.
  • Ross MM; Department of Human Resources, Bradford Regional Hospital, Bradford, Pennsylvania.
A A Pract ; 14(7): e01237, 2020 May.
Article in English | MEDLINE | ID: covidwho-601324
ABSTRACT
We evaluated a full-face snorkel mask with an airway circuit filter to protect health care providers against airborne pathogens. First, a quantified N95 fit test was performed using aerosolized saline. Second, cardiorespiratory variables (heart rate, peripheral oxygen saturation, end-tidal carbon dioxide tension, and inspired fraction of carbon dioxide) were measured at rest and during moderate exercise. The modified mask passed the United States Occupational Safety and Health Administration (OSHA) N95 respirator (N95) fit test requirements with a fit factor of 142. Neither hypercapnia nor hypoxemia occurred. This modified mask has the potential to protect providers who care for patients with coronavirus disease 2019 (COVID-19).
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Respiratory Protective Devices / Health Personnel / Infectious Disease Transmission, Patient-to-Professional / Coronavirus Infections / Equipment Design / Pandemics Type of study: Experimental Studies Limits: Humans Country/Region as subject: North America Language: English Journal: A A Pract Year: 2020 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Respiratory Protective Devices / Health Personnel / Infectious Disease Transmission, Patient-to-Professional / Coronavirus Infections / Equipment Design / Pandemics Type of study: Experimental Studies Limits: Humans Country/Region as subject: North America Language: English Journal: A A Pract Year: 2020 Document Type: Article