Comparison of high-flow nasal cannula versus oxygen face mask for environmental bacterial contamination in critically ill pneumonia patients: a randomized controlled crossover trial
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AbstractWhereas high-flow nasal cannula use is gaining prevalence, its high gas flow raises concerns about aerosolization of infectious particles and spread of infection. This randomized controlled crossover non-inferiority trial (N = 20) evaluated the degree of environmental contamination by viable bacteria associated with the use of high-flow nasal cannula compared with conventional oxygen mask for critically ill patients with Gram-negative pneumonia. The results show that high-flow nasal cannula use was not associated with increased air or contact surface contamination by either Gram-negative bacteria or total bacteria, suggesting that additional infection control measures are not required.
Acceptance Date09/10/2018
All Author(s) ListLeung, Joynt, Gomersall, Wong, Lee, Ling, Chan, Lui, Tsoi, Ling, Hui
Journal nameJournal of Hospital Infection
Volume Number101
Issue Number1
Pages84 - 87
LanguagesEnglish-United Kingdom
KeywordsOxygen therapy, Bacterial pneumonia, Environmental contamination, Infection control, Infectious disease transmission

Last updated on 2021-21-09 at 00:04