Experimental Model to Test Electrostatic Precipitation Technology in the COVID-19 Era: A Pilot Study.
Aerosols
/ analysis
Air Microbiology
Animals
COVID-19
/ prevention & control
Cholecystectomy, Laparoscopic
/ instrumentation
Electrosurgery
/ instrumentation
In Vitro Techniques
Infection Control
/ instrumentation
Infectious Disease Transmission, Patient-to-Professional
/ prevention & control
Models, Animal
Occupational Exposure
/ analysis
Pilot Projects
Static Electricity
Swine
Journal
Journal of the American College of Surgeons
ISSN: 1879-1190
Titre abrégé: J Am Coll Surg
Pays: United States
ID NLM: 9431305
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
received:
02
07
2020
revised:
20
08
2020
accepted:
21
08
2020
pubmed:
7
9
2020
medline:
19
12
2020
entrez:
6
9
2020
Statut:
ppublish
Résumé
In the COVID-19 crisis, laparoscopic surgery is in focus as a relevant source of bioaerosol release. The efficacy of electrostatic aerosol precipitation (EAP) and continuous aerosol evacuation (CAE) to eliminate bioaerosols during laparoscopic surgery was verified. Ex-vivo laparoscopic cholecystectomies (LCs) were simulated ± EAP or CAE in Pelvitrainer equipped with swine gallbladders. Release of bioaerosols was initiated by performing high-frequency electrosurgery with a monopolar electro hook (MP-HOOK) force at 40 watts (MP-HOOK40) and 60 watts (MP-HOOK60), as well as by ultrasonic cutting (USC). Particle number concentrations (PNC) of arising aerosols were analyzed with a condensation particle counter (CPC). Aerosol samples were taken within the Pelvitrainer close to the source, outside the Pelvitrainer at the working trocar, and in the breathing zone of the surgeon. Within the Pelvitrainer, MP-HOOK40 (6.4 × 10 EAP was found to be efficient for intraoperative bioaerosol elimination and reducing the risk of bioaerosol exposure for surgical staff.
Sections du résumé
BACKGROUND
In the COVID-19 crisis, laparoscopic surgery is in focus as a relevant source of bioaerosol release. The efficacy of electrostatic aerosol precipitation (EAP) and continuous aerosol evacuation (CAE) to eliminate bioaerosols during laparoscopic surgery was verified.
STUDY DESIGN
Ex-vivo laparoscopic cholecystectomies (LCs) were simulated ± EAP or CAE in Pelvitrainer equipped with swine gallbladders. Release of bioaerosols was initiated by performing high-frequency electrosurgery with a monopolar electro hook (MP-HOOK) force at 40 watts (MP-HOOK40) and 60 watts (MP-HOOK60), as well as by ultrasonic cutting (USC). Particle number concentrations (PNC) of arising aerosols were analyzed with a condensation particle counter (CPC). Aerosol samples were taken within the Pelvitrainer close to the source, outside the Pelvitrainer at the working trocar, and in the breathing zone of the surgeon.
RESULTS
Within the Pelvitrainer, MP-HOOK40 (6.4 × 10
CONCLUSIONS
EAP was found to be efficient for intraoperative bioaerosol elimination and reducing the risk of bioaerosol exposure for surgical staff.
Identifiants
pubmed: 32891798
pii: S1072-7515(20)32299-7
doi: 10.1016/j.jamcollsurg.2020.08.759
pmc: PMC7470820
pii:
doi:
Substances chimiques
Aerosols
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
704-712Informations de copyright
Copyright © 2020 American College of Surgeons. Published by Elsevier Inc. All rights reserved.
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