Aerosol and droplet generation from orbital repair : Surgical risk in the pandemic era
Copyright © 2021 Elsevier Inc. All rights reserved..
INTRODUCTION: The highly contagious COVID-19 has resulted in millions of deaths worldwide. Physicians performing orbital procedures may be at increased risk of occupational exposure to the virus due to exposure to secretions. The goal of this study is to measure the droplet and aerosol production during repair of the inferior orbital rim and trial a smoke-evacuating electrocautery handpiece as a mitigation device.
MATERIAL AND METHODS: The inferior rim of 6 cadaveric orbits was approached transconjunctivally using either standard or smoke-evacuator electrocautery and plated using a high-speed drill. Following fluorescein inoculation, droplet generation was measured by counting under ultraviolet-A (UV-A) light against a blue background. Aerosol generation from 0.300-10.000 μm was measured using an optical particle sizer. Droplet and aerosol generation was compared against retraction of the orbital soft tissue as a negative control.
RESULTS: No droplets were observed following the orbital approach using electrocautery. Visible droplets were observed after plating with a high-speed drill for 3 of 6 orbits. Total aerosol generation was significantly higher than negative control following the use of standard electrocautery. Use of smoke-evacuator electrocautery was associated with significantly lower aerosol generation in 2 of 3 size groups and in total. There was no significant increase in total aerosols associated with high-speed drilling.
DISCUSSION AND CONCLUSIONS: Droplet generation for orbital repair was present only following plating with high-speed drill. Aerosol generation during standard electrocautery was significantly reduced using a smoke-evacuating electrocautery handpiece. Aerosols were not significantly increased by high-speed drilling.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:42 |
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| Enthalten in: |
American journal of otolaryngology - 42(2021), 4 vom: 15. Juli, Seite 102970 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ye, Michael J [VerfasserIn] |
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| Links: |
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| Themen: |
Aerosol |
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| Anmerkungen: |
Date Completed 23.06.2021 Date Revised 23.06.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.amjoto.2021.102970 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Ye, Michael J |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Aerosol and droplet generation from orbital repair |b Surgical risk in the pandemic era |
| 264 | 1 | |c 2021 | |
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| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
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| 500 | |a Date Completed 23.06.2021 | ||
| 500 | |a Date Revised 23.06.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 Elsevier Inc. All rights reserved. | ||
| 520 | |a INTRODUCTION: The highly contagious COVID-19 has resulted in millions of deaths worldwide. Physicians performing orbital procedures may be at increased risk of occupational exposure to the virus due to exposure to secretions. The goal of this study is to measure the droplet and aerosol production during repair of the inferior orbital rim and trial a smoke-evacuating electrocautery handpiece as a mitigation device | ||
| 520 | |a MATERIAL AND METHODS: The inferior rim of 6 cadaveric orbits was approached transconjunctivally using either standard or smoke-evacuator electrocautery and plated using a high-speed drill. Following fluorescein inoculation, droplet generation was measured by counting under ultraviolet-A (UV-A) light against a blue background. Aerosol generation from 0.300-10.000 μm was measured using an optical particle sizer. Droplet and aerosol generation was compared against retraction of the orbital soft tissue as a negative control | ||
| 520 | |a RESULTS: No droplets were observed following the orbital approach using electrocautery. Visible droplets were observed after plating with a high-speed drill for 3 of 6 orbits. Total aerosol generation was significantly higher than negative control following the use of standard electrocautery. Use of smoke-evacuator electrocautery was associated with significantly lower aerosol generation in 2 of 3 size groups and in total. There was no significant increase in total aerosols associated with high-speed drilling | ||
| 520 | |a DISCUSSION AND CONCLUSIONS: Droplet generation for orbital repair was present only following plating with high-speed drill. Aerosol generation during standard electrocautery was significantly reduced using a smoke-evacuating electrocautery handpiece. Aerosols were not significantly increased by high-speed drilling | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Aerosol | |
| 650 | 4 | |a COVID-19 | |
| 650 | 4 | |a Coronavirus | |
| 650 | 4 | |a Drill | |
| 650 | 4 | |a Droplet | |
| 650 | 4 | |a Facial trauma | |
| 650 | 4 | |a Maxillofacial | |
| 650 | 4 | |a Oculoplastics | |
| 650 | 4 | |a Ophthalmology | |
| 650 | 4 | |a Orbit | |
| 650 | 4 | |a Orbital rim | |
| 650 | 4 | |a Otolaryngology | |
| 650 | 4 | |a Plastic surgery | |
| 650 | 4 | |a Plume | |
| 650 | 4 | |a Smoke | |
| 650 | 4 | |a Splatter | |
| 650 | 4 | |a Surgery | |
| 650 | 7 | |a Aerosols |2 NLM | |
| 700 | 1 | |a Vadhul, Raghav B |e verfasserin |4 aut | |
| 700 | 1 | |a Sharma, Dhruv |e verfasserin |4 aut | |
| 700 | 1 | |a Campiti, Vincent J |e verfasserin |4 aut | |
| 700 | 1 | |a Burgin, Sarah J |e verfasserin |4 aut | |
| 700 | 1 | |a Illing, Elisa A |e verfasserin |4 aut | |
| 700 | 1 | |a Ting, Jonathan Y |e verfasserin |4 aut | |
| 700 | 1 | |a Park, Jae Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Koehler, Karl R |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Hui Bae |e verfasserin |4 aut | |
| 700 | 1 | |a Vernon, Dominic J |e verfasserin |4 aut | |
| 700 | 1 | |a Johnson, Jeffrey D |e verfasserin |4 aut | |
| 700 | 1 | |a Nesemeier, B Ryan |e verfasserin |4 aut | |
| 700 | 1 | |a Shipchandler, Taha Z |e verfasserin |4 aut | |
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