Journal
CLINICAL INFECTIOUS DISEASES
Volume 72, Issue 10, Pages E533-E541Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/cid/ciaa1239
Keywords
SARS-CoV; COVID-19; antibiotic stewardship; pneumonia; coinfection
Categories
Funding
- Blue Cross and Blue Shield of Michigan
- Blue Care Network, Value Partnerships program
- Agency for Healthcare Research and Quality [1-K08-HS26530-01, R01 HS026725]
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Among 1705 hospitalized COVID-19 patients, 56.6% received early empiric antibacterial therapy, while only 3.5% had confirmed community-onset bacterial infections. The use of early empiric antibacterials varied widely across hospitals.
Background. Antibacterials may be initiated out of concern for bacterial coinfection in coronavirus disease 2019 (COVID-19). We determined prevalence and predictors of empiric antibacterial therapy and community-onset bacterial coinfections in hospitalized patients with COVID-19. Methods. A randomly sampled cohort of 1705 patients hospitalized with COVID-19 in 38 Michigan hospitals between 3/13/2020 and 6/18/2020. Data were collected on early (within 2 days of hospitalization) empiric antibacterial therapy and community-onset bacterial coinfections (positive microbiologic test days). Poisson generalized estimating equation models were used to assess predictors. Results. Of 1705 patients with COVID-19, 56.6% were prescribed early empiric antibacterial therapy; 3.5% (59/1705) had a confirmed community-onset bacterial infection. Across hospitals, early empiric antibacterial use varied from 27% to 84%. Patients were more likely to receive early empiric antibacterial therapy if they were older (adjusted rate ratio [ARR]: 1.04 [1.00-1.08] per 10 years); had a lower body mass index (ARR: 0.99 [0.99-1.00] per kg/m(2)), more severe illness (eg, severe sepsis; ARR: 1.16 [1.07-1.27]), a lobar infiltrate (ARR: 1.21 [1.04-1.42]); or were admitted to a for-profit hospital (ARR: 1.30 [1.15-1.47]). Over time, COVID-19 test turnaround time (returned <= 1 day in March [54.2%, 461/850] vs April [85.2%, 628/737], P < .001) and empiric antibacterial use (ARR: 0.71 [0.63-0.81] April vs March) decreased. Conclusions. The prevalence of confirmed community-onset bacterial coinfections was low. Despite this, half of patients received early empiric antibacterial therapy. Antibacterial use varied widely by hospital. Reducing COVID-19 test turnaround time and supporting stewardship could improve antibacterial use.
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