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Impact of a Comprehensive SARS-CoV-2 Infection Prevention Bundle on Rates of Hospital-Acquired Respiratory Viral Infections
Antimicrob Steward Healthc Epidemiol ; 1(Suppl 1):s81, 2021.
Article in English | PubMed Central | ID: covidwho-2076895
ABSTRACT

Background:

We evaluated the impact of a comprehensive SARS-CoV-2 (COVID-19) infection prevention (IP) bundle on rates of non–COVID-19 healthcare-acquired respiratory viral infection (HA-RVI).

Methods:

We performed a retrospective analysis of prospectively collected respiratory viral data using an infection prevention database from April 2017 to January 2021. We defined HA-RVI as identification of a respiratory virus via nasal or nasopharyngeal swabs collected on or after hospital day 7 for COVID-19 and non–COVID-19 RVI. We compared incident rate ratios (IRRs) of HA-RVI for each of the 3 years (April 2017 to March 2020) prior to and 10 months (April 2020 to January 2021) following full implementation of a comprehensive COVID-19 IP bundle at Duke University Health System. The COVID-19 IP bundle consists of the following elements universal masking;eye protection;employee, patient, and visitor symptom screening;contact tracing;admission and preprocedure testing;visitor restrictions;discouraging presenteeism;population density control and/or physical distancing;and ongoing attention to basic horizontal IP strategies including hand hygiene, PPE compliance, and environmental cleaning.

Results:

During the study period, we identified 715 HA-RVIs over 1,899,700 inpatient days, for an overall incidence rate of 0.38 HA-RVI per 1,000 inpatient days. The HA-RVI IRR was significantly higher during each of the 3 years prior to implementing the COVID-19 IP bundle (Table 1). The incidence rate of HA-RVI decreased by 60% after bundle implementation. COVID-19 became the dominant HA-RVI, and no cases of HA-influenza occurred in the postimplementation period (Figure 1).

Conclusions:

Implementation of a comprehensive COVID-19 IP bundle likely contributed to a reduction in HA-RVI for hospitalized patients in our healthcare system. Augmenting traditional IP interventions in place during the annual respiratory virus season may be a future strategy to reduce rates of HA-RVI for inpatients.Table 1.Figure 1.

Full text: Available Collection: Databases of international organizations Database: PubMed Central Type of study: Experimental Studies Language: English Journal: Antimicrob Steward Healthc Epidemiol Year: 2021 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: PubMed Central Type of study: Experimental Studies Language: English Journal: Antimicrob Steward Healthc Epidemiol Year: 2021 Document Type: Article