Is Office Laryngoscopy an Aerosol-Generating Procedure?

The Laryngoscope
Anaïs RameauLucian Sulica

Abstract

The aims of this work were 1) to investigate whether office laryngoscopy is an aerosol-generating procedure with an optical particle sizer (OPS) during clinical simulation on healthy volunteers, and 2) to critically discuss methods for assessment of aerosolizing potentials in invasive interventions. Prospective quantification of aerosol and droplet generation during clinical simulation of rigid and flexible laryngoscopy. Two healthy volunteers were recruited to undergo both flexible and rigid laryngoscopy. An OPS was used to quantify aerosols and droplets generated for four positive controls relative to ambient particles (speech, breathing, /e/ phonation, and /ae/ phonation) and for five test interventions relative to breathing and phonation (flexible laryngoscopy, flexible laryngoscopy with humming, flexible laryngoscopy with /e/ phonation, rigid laryngoscopy, and rigid laryngoscopy with /ae/ phonation). Particle counts in mean diameter size range from 0.3 to >10 μm were measured with OPS placed at 12 cm from the subject's nose/mouth. None of the laryngoscopy interventions (n = 10 each) generated aerosols above that produced by breathing or phonation. Breathing (n = 40, 1-3 μm, P = .016) and /ae/ phonation (n = 10, 1-3 μm, P =...Continue Reading

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Apr 22, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Anaïs RameauLucian Sulica
May 13, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Brittany E Howard
May 27, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Alan D WorkmanBenjamin S Bleier

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Citations

Oct 30, 2020·International Forum of Allergy & Rhinology·Carol H Yan, Benjamin S Bleier
Nov 25, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Michal J PlocienniczakChristopher D Brook
Dec 16, 2020·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Benjamin S BleierAndrew P Lane
Nov 26, 2020·International Forum of Allergy & Rhinology·Richard R OrlandiBing Zhou
Jun 23, 2021·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Elisabeth H FerenceBrian E Applegate
Jul 28, 2021·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Elisabeth H FerenceBrian E Applegate
Oct 13, 2021·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Sophia MatosDana Crosby

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Methods Mentioned

BETA
light scattering

Software Mentioned

SPSS

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