Background and Aims:
The coronavirus disease 2019 (COVID-19) pandemic has initiated modified protocols for aerosol-generating procedures. A simulation study using dye was conducted to highlight contamination at intubation and extubation and to encourage adherence to the new COVID-19 protocol among anaesthesia personnel in our institution.
Methods:
A video demonstrating the new COVID-19 protocols was circulated in the Department of Anaesthesiology a week prior to the study. Thirty teams, each comprising an anaesthesia resident and a staff technician, were enroled. Each team was asked to demonstrate the steps of preparation, intubation and extubation on a mannequin in a COVID-19 scenario. Checklists were used to assess points of contamination and adherence to the protocols. Following debriefing, a repeat simulation was conducted. The use of a dye highlighted the points of contamination. The study subjects provided feedback on the usefulness of the session and practical difficulties encountered in adapting to the new protocols.
Results:
The average contamination scores decreased by 3.4 (95% confidence interval (CI): 2.4–4.4,
P
< 0.001) in the post-debrief session. Adherence to the steps of the modified protocol improved by a score of 2.7 (CI: 3.6–1.83) among anaesthesiologists and by 4.3 (CI: 5.3–3.3) among technicians. Further, 93% felt that the use of the colour indicator reinforced awareness of the possible points of contamination.
Conclusion:
Simulation with a low-fidelity mannequin by using colour indicator for secretions is an effective teaching tool to reduce health hazards during airway management in COVID-19 times.
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