The Ratio of Nasal Cannula Gas Flow to Patient Inspiratory Flow on Trans-nasal Pulmonary Aerosol Delivery for Adults: An in Vitro Study

Trans-nasal aerosol deposition during distressed breathing is higher than quiet breathing, and decreases as administered gas flow increases. We hypothesize that inhaled dose is related to the ratio of gas flow to patient inspiratory flow (GF:IF). An adult manikin (Laerdal) with a collecting filter p...

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Bibliographic Details
Main Authors: Jie Li, Lingyue Gong, James B. Fink
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Pharmaceutics
Subjects:
Online Access:https://www.mdpi.com/1999-4923/11/5/225