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A Knowledge Gap Unmasked: Viral Transmission in Surgical Smoke: a Systematic Review

Overview
Journal Surg Endosc
Publisher Springer
Date 2021 Jan 26
PMID 33495880
Citations 3
Authors
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Abstract

Background: Concerns regarding the aerosolized transmission of SARS-CoV-2 via SS have caused significant apprehension among surgeons related to the use of minimally invasive surgery (MIS) during the COVID19 pandemic. While a limited number of studies have previously demonstrated the presence of viral material in SS, no comprehensive systematic review exists on the subject of viral transmission in SS. Methods A systematic review of the literature was conducted as per PRISMA guidelines. MEDLINE, EMBASE, and CENTRAL databases were searched for publications reporting the primary outcome of the presence of viral particles in SS and secondary outcomes of indices suggesting transmission of viable virus particles in SS producing clinically important infection. All human, animal, and in vitro studies which used accepted analytic techniques for viral detection were included. A meta-analysis was not complete due to methodologic heterogeneity and inconsistent reporting of outcomes of interest.

Results: 23 publications addressed the presence of viral components in SS, and 19 (83%) found the presence of viral particles in SS. 21 publications additionally studied the ability of SS to induce clinically relevant infection in host cells, with 9 (43%) demonstrating potential for viral transmission.

Conclusion: Evidence exists for viral transmission via SS. However, HPV remains the only virus with documented transmission to humans via SS. While meaningful translation into practical guidelines during the COVID pandemic remains challenging, no evidence exists to suggest increased risk in MIS.

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