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2020 ; 37
(7
): 398-399
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Endotracheal intubation with barrier protection
#MMPMID32482759
Jazuli F
; Bilic M
; Hanel E
; Ha M
; Hassall K
; Trotter BG
Emerg Med J
2020[Jul]; 37
(7
): 398-399
PMID32482759
show ga
Given the high risk of healthcare worker (HCW) infection with COVID-19 during
aerosol-generating medical procedures, the use of a box barrier during intubation
for protection of HCWs has been examined. Previous simulation work has
demonstrated its efficacy in protecting HCWs from cough-expelled droplets. Our
objective was to assess its ability to protect HCWs against aerosols generated
during aerosol-generating medical procedures. We used a battery-powered
vapouriser to assess movement of vapour with: (1) no barrier; (2) a box barrier;
and (3) a box barrier and a plastic sheet covering the box and patient's body. We
visualised the trajectory of vapour and saw that the vapour remained within the
barrier space when the box barrier and plastic sheet were used. This is in
contrast to the box barrier alone, where vapour diffused towards the feet of the
patient and throughout the room, and to no barrier where the vapour immediately
diffused to the laryngoscopist. This demonstrates that the box with the plastic
sheet has the potential to limit the spread of aerosols towards the
laryngoscopist, and thus may play a role in protecting HCWs during
aerosol-generating medical procedures. This is of particular importance in the
care of patients with suspected COVID-19.
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