Particle generation during positive airway pressure therapy

Helgeson, Scott A; Lim, Kaiser G.; Patel, Neal; Lee, Augustine S.; Niven, Alexander S.; Cheung, Joseph

doi:10.1016/j.sleep.2021.05.008

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Noninvasive Ventilation1

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2022

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“…48 However, no significant differences in aerosol particle concentrations between CPAP and NIV among healthy volunteers were found in 3 studies nor between different settings. 32,36,53 Clinically, ventilator settings should be set or adjusted based on patient needs. Additionally, Wilson did not find significant differences in aerosol particle concentrations between single-limb ventilators and dual-limb ventilators.…”

Section: Noninvasive Ventilationmentioning

confidence: 99%

Aerosol-Generating Procedures and Virus Transmission

Alolaiwat

Fink

et al. 2022

Respir Care

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During the early phase of the COVID-19 pandemic, many respiratory therapies were classified as aerosol-generating procedures. This categorization resulted in a broad range of clinical concerns and a shortage of essential medical resources for some patients. In the past 2 years, many studies have assessed the transmission risk posed by various respiratory care procedures. These studies are discussed in this narrative review, with recommendations for mitigating transmission risk based on the current evidence.

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