Mitigating Fugitive Aerosols During Aerosol Delivery via High-Flow Nasal Cannula Devices

Abstract

During aerosol delivery via HFNC, Airvo 2 generated higher inhaled dose and consequently higher fugitive aerosols than Vapotherm. Simple measures, such as placing a surgical mask over nasal cannula during nebulization via HFNC, could effectively reduce fugitive aerosol concentrations.