Contributory conditions for unexpected COVID-19 cases and nosocomial COVID-19 infection cases identified from systematic investigation in a French University Hospital - 05/05/23
, M. Coppry a, b, C. Bataille a, L. Vivier a, A. Lasheras-Bauduin a, A.-M. Rogues a, b
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Highlights |
• | Adapted SARS-CoV-2 screening strategy allows rapid detection of cases to adjust precautionary measures. |
• | Active COVID-19 cases investigation enables rapid identification of contact patients to adjust precautionary measures. |
• | Wandering elderly patients are a major source of secondary COVID-19 cases. |
• | Nosocomial COVID-19 cases are more frequently observed in geriatric patients. |
Abstract |
Introduction |
Nosocomial case (NC) of COVID-19 infections is a challenge for hospitals. We report the results of a seven-month prospective cohort study investigating COVID-19 patients to assess unexpected cases (UC) (no COVID-19 precautionary measure application since admission) and NC.
Patients and methods |
Investigation by an infection control team of 844 patients with COVID-19 infection hospitalized for more than 24 hours (cases).
Results |
A total of 301 UC were identified (31% after contact tracing) with a total of 129 contact patients, and 27 secondary cases for 59 of them. In geriatric wards, 50% of cases were UC. NC represented 18% of cases (37% in geriatric wards), mainly identified after contact tracing of wandering cases.
Conclusion |
A rapid infection control response is essential to contain nosocomial transmission, along with detailed contact tracing and screening policy. Dealing with wandering elderly patients remain challenging for HCWs.
Le texte complet de cet article est disponible en PDF.Keywords : SARS-CoV-2, Cross-transmission, Nosocomial infection, Contact tracing
Plan
Vol 53 - N° 3
Article 104648- avril 2023 Retour au numéro
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