Self-contamination following removal of two personal protective equipment suits: a randomized, controlled, crossover simulation trial

Healthcare personnel are often at high risk of contamination when participating in airway management and other aerosol-generating procedures. Aim: To explore the differences in self-contamination after removal of gown and coverall personal protective equipment (PPE) using an ultraviolet-fluorescent...

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Bibliographic Details
Published in:The Journal of hospital infection 2022-01, Vol.119, p.155-162
Main Authors: Sanchez Novas, D., Fernández, M.S., García Guzzo, M.E., Aguilar Avila, L.T., Domenech, G., Bolla, F.E., Terrasa, S.A., García Fornari, G., Teijido, C.A.
Format: Article
Language:English
Subjects:
Cross-Over Studies
Health Personnel
Humans
Infectious Disease Transmission, Patient-to-Professional
Personal Protective Equipment
Prospective Studies
Protective Clothing
Simulation-based research
Ultraviolet solution
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Summary:Healthcare personnel are often at high risk of contamination when participating in airway management and other aerosol-generating procedures. Aim: To explore the differences in self-contamination after removal of gown and coverall personal protective equipment (PPE) using an ultraviolet-fluorescent solution. This prospective, randomized, controlled crossover trial was set in a third-level university health centre in Buenos Aires, Argentina between August and October 2020. The study included 60 anaesthesia personnel volunteers, and no participants were excluded from the study. A two-period/two-intervention design was chosen; each intervention comprised audio-guided placement of PPE, full-body spraying of fluorescent solution, audio-guided removal of PPE, and self-contamination assessment through ultraviolet light scanning. The primary outcome was the mean within-participant difference (any traces) between PPE suits. Statistical significance was tested using t-tests for paired data. The allocation ratio was 25/35 (gown followed by coverall/coverall followed by gown). Findings: Self-contamination after removal of coveralls was greater than that after removal of gowns, with a mean within-participant difference of 11.45 traces (95% confidence interval 8.26–14.635; P
ISSN:0195-6701
1532-2939
DOI:10.1016/j.jhin.2021.09.017