دورية أكاديمية
أعرض في EDS

Respiratory Particle Emission During Voice Assessment and Therapy Tasks in a Single Subject.

التفاصيل البيبلوغرافية
العنوان: Respiratory Particle Emission During Voice Assessment and Therapy Tasks in a Single Subject.
المؤلفون: Timmons Sund L; USC Voice Center, USC Caruso Department of Otolaryngology - Head and Neck Surgery at Keck Medicine of USC, University of Southern California, Los Angeles, California., Bhatt NK; USC Voice Center, USC Caruso Department of Otolaryngology - Head and Neck Surgery at Keck Medicine of USC, University of Southern California, Los Angeles, California., Ference EH; USC Caruso Department of Otolaryngology - Head and Neck Surgery at Keck Medicine of USC, University of Southern California, Los Angeles, California., Kim W; USC Caruso Department of Otolaryngology - Head and Neck Surgery at Keck Medicine of USC, University of Southern California, Los Angeles, California., Johns MM 3rd; USC Voice Center, USC Caruso Department of Otolaryngology - Head and Neck Surgery at Keck Medicine of USC, University of Southern California, Los Angeles, California. Electronic address: michael.johns@med.usc.edu.
المصدر: Journal of voice : official journal of the Voice Foundation [J Voice] 2022 Nov; Vol. 36 (6), pp. 784-792. Date of Electronic Publication: 2020 Oct 23.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Mosby Country of Publication: United States NLM ID: 8712262 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-4588 (Electronic) Linking ISSN: 08921997 NLM ISO Abbreviation: J Voice Subsets: MEDLINE
أسماء مطبوعة: Publication: 2003- : St. Louis, MO : Mosby
Original Publication: [New York, N.Y.] : Raven Press, 1987-
مواضيع طبية MeSH: COVID-19*/therapy , Voice Disorders*/diagnosis , Voice Disorders*/etiology , Voice Disorders*/therapy, Humans ; SARS-CoV-2 ; Phonation ; Respiratory System
مستخلص: Introduction: SARS-CoV-2 is transmitted via respiratory particles. Respiratory particle emission is impacted by manner of breathing and voicing, as well as intersubject variability. Assessment and treatment of voice disorders may include tasks that increase respiratory particle emission beyond typical breathing and speaking. This could increase the risk of disease transmission via respiratory particles.
Methods: Respiratory particle emission was measured during a single-subject, repeated measures clinical simulation of acoustic and aerodynamic assessment and voice therapy tasks. An optical particle sizer was used to measure particle count (1-10 μm in diameter). Assessment and therapy tasks were completed in three conditions: (1) 15 cm from the device, (2) 1 m from the device, and (3) 1 m from the device with the subject wearing a surgical mask.
Results: Condition 1 generated the highest particle count, with a median of 5.1 (13) additional particles above baseline, which was statistically significant (U = 381.5, P= 0.002). In condition 1, therapy and acoustic tasks combined produced more particles compared to the baseline and speech tasks, with a median difference of 6.5 additional particles per time point (U = 309.0, P= 0.002). This difference was not significant for conditions 2 and 3. Peak particle generation occurred in specific phonatory tasks, which was most pronounced in condition 1. Voice therapy tasks during condition 1 generated the highest peaks of normalized total particles with classical singing and expiratory muscle strength training. There was a significant difference in the amount of particle generation between condition 1 and 2, with a median difference of 5.2 particles (U = 461.0, P= 0.002). The particle count difference between conditions 2 and 3 was 2.1 (U = 282.0, P= 0.292), and this difference was not significant. The normalized total particles were assessed over time for each condition. For all conditions, there was no significant accumulation of particles.
Conclusions: For a single subject, production of voice assessment and therapy tasks combined resulted in an increased number of respiratory particles compared to speech and baseline (1-10 μm). EMST and classical singing generated the greatest concentration of particles. Respiratory particle counts were higher at 15 cm from the particle sizer compared to 1 m from the particle sizer, suggesting that physical distancing may reduce immediate clinician exposure to respiratory particles. Particle concentration did not accumulate over time.
(Copyright © 2020 The Voice Foundation. Published by Elsevier Inc. All rights reserved.)
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فهرسة مساهمة: Keywords: Voice therapy—Aerosols—Particle emission—COVID-19
تواريخ الأحداث: Date Created: 20201203 Date Completed: 20221122 Latest Revision: 20221122
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC7582043
DOI: 10.1016/j.jvoice.2020.10.008
PMID: 33268220
قاعدة البيانات: MEDLINE
الوصف
تدمد:1873-4588
DOI:10.1016/j.jvoice.2020.10.008