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Article Dans Une Revue ERJ Open Research Année : 2020

Environmental contamination related to SARS-CoV-2 in ICU patients

Résumé

Background The coronavirus disease 2019 (COVID-19) outbreak is a primary global concern, and data are lacking concerning risk of novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) environmental contamination. Objective To identify risk factors for SARS-CoV-2 environmental contamination in COVID-19 patients admitted to the intensive care unit (ICU). Methods A prospective single centre 1-day study was carried out in an ICU. Four surfaces (the ventilator control screen, the control buttons of the syringe pump, the bed rails and the computer table located >1 m away from the patient) were systematically swabbed at least 8 h after any cleaning process. We analysed clinical, microbiological and radiological data to identify risk factors for SARS-CoV-2 environmental contamination. Results 40% of ICU patients were found to contaminate their environment. No particular trend emerged regarding the type of surface contaminated. Modality of oxygen support (high-flow nasal cannula oxygenation, invasive mechanical ventilation, standard oxygen mask) was not associated with the risk of environmental contamination. Univariate analysis showed that lymphopenia <0.7×10 9 ·L −1 was associated with environmental contamination. Conclusion Despite small sample size, our study generated surprising results. Modality of oxygen support is not associated with risk of environmental contamination. Further studies are needed.

Dates et versions

hal-03946376 , version 1 (19-01-2023)

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Alexandra Lomont, Marouane Boubaya, Warda Khamis, Antoine Deslandes, Hugues Cordel, et al.. Environmental contamination related to SARS-CoV-2 in ICU patients. ERJ Open Research, 2020, 6 (4), pp.00595-2020. ⟨10.1183/23120541.00595-2020⟩. ⟨hal-03946376⟩
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