Simulation of aerosol and droplet spread during upper airway and gastrointestinal endoscopy

Abstract

AbstractObjectiveAerosols and droplets are the main vectors in transmission of highly contagious SARS-Cov-2. Invasive diagnostic procedures like upper airway and gastrointestinal endoscopy have been declared as aerosol generating procedures. Protection of health care workers is crucial in times of COVID-19 pandemic.MethodsWe simulated aerosol and droplet spread during upper airway and gastrointestinal endoscopy with and without physico-mechanical barriers using a simulation model.ResultsA clear plastic drape as used for central venous access markedly reduced visualized aerosol and droplet spread during endoscopy.ConclusionA simple and cheap drape has the potential to reduce aerosol and droplet spread during endoscopy. In terms of health care worker protection, this may be important particularly in low- or moderate-income countries.