Characterization of SARS-CoV-2 Aerosols Dispersed During Noninvasive Respiratory Support of Patients With COVID-19.

Meghan E Ramsey,Anthony J Faugno,Wendy B Puryear, Brian C Lee,Alexa D Foss, Lester H Lambert, Frances E Nargi, Gregory P Bopp, Lauren P Lee, Christina M Rudzinski, Benjamin L Ervin,Jonathan A Runstadler,Nicholas S Hill

Respiratory care（2023）

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摘要

Our findings demonstrate very limited detection of SARS-CoV-2-containing aerosols in the vicinity of subjects with COVID-19 receiving NRS therapies in the clinical setting. These results, combined with controlled chamber measurements showing that HFNC and NIV device usage was not associated with increased aerosol dispersion, suggest that NRS therapies do not result in increased dispersal of aerosols in the clinical setting.

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COVID-19,aerosol,communicable diseases,critical care,noninvasive ventilation,transmission

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