4.4 Article

Improving physical distancing among healthcare workers in a pediatric intensive care unit

期刊

INFECTION CONTROL AND HOSPITAL EPIDEMIOLOGY
卷 43, 期 12, 页码 1790-1795

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CAMBRIDGE UNIV PRESS
DOI: 10.1017/ice.2021.501

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  1. Centers for Disease Control and Prevention Epicenter Program (COVID-19 supplement) [6 U01CK000554-02-02]

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The study assessed the impact of interventions to improve healthcare workers' physical distancing in a pediatric intensive care unit, finding a small decline in interactions within 6 feet after implementing a bundle of interventions.
Background: Healthcare workers (HCWs) not adhering to physical distancing recommendations is a risk factor for acquisition of severe acute respiratory coronavirus virus 2 (SARS-CoV-2). The study objective was to assess the impact of interventions to improve HCW physical distancing on actual distance between HCWs in a real-life setting. Methods: HCWs voluntarily wore proximity beacons to measure the number and intensity of physical distancing interactions between each other in a pediatric intensive care unit. We compared interactions before and after implementing a bundle of interventions including changes to the layout of workstations, cognitive aids, and individual feedback from wearable proximity beacons. Results: Overall, we recorded 10,788 interactions within 6 feet (similar to 2 m) and lasting >5 seconds. The number of HCWs wearing beacons fluctuated daily and increased over the study period. On average, 13 beacons were worn daily (32% of possible staff; range, 2-32 per day). We recorded 3,218 interactions before the interventions and 7,570 interactions after the interventions began. Using regression analysis accounting for the maximum number of potential interactions if all staff had worn beacons on a given day, there was a 1% decline in the number of interactions per possible interactions in the postintervention period (incident rate ratio, 0.99; 95% confidence interval, 0.98-1.00; P = .02) with fewer interactions occurring at nursing stations, in workrooms and during morning rounds. Conclusions: Using quantitative data from wearable proximity beacons, we found an overall small decline in interactions within 6 feet between HCWs in a busy intensive care unit after a multifaceted bundle of interventions was implemented to improve physical distancing.

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