Abstract
Abstract Background The disease caused by SARS-CoV-2, COVID-19, has caused a global public health crisis. Lower respiratory tract infections (LRTIs) caused by COVID-19 has led to an increase in hospitalizations. Disease severity and concerns for bacterial co-infections can increase antimicrobial pressure. Our aim is to define and compare the impact of COVID-19 on antimicrobial use (AU) and antimicrobial resistance (AMR) in the Dominican Republic (DR) and the United States (US). Methods We performed a retrospective review of AU and antimicrobial susceptibility patterns from 2019-20 at a hospital in the US (H-US) and the DR (H-DR). Our sites are community teaching hospitals with 151 beds in H-US and 295 beds in H-DR. After AU was tabulated, percent changes between 2019-20 were calculated. Resistance patterns for extended-spectrum beta-lactamase producing (ESBL) E coli, ESBL Klebsiella pneumoniae (ESBL-Kp), carbapenem resistant Pseudomonas aeruginosa (CR-PSAR) and Klebsiella pneumoniae (CR-Kp) were tabulated and percent changes between 2019-20 were calculated. Results AU increased by 10% in H-US and 25% in H-DR, with carbapenem use increasing by 268% and 144% respectively. Ceftriaxone use increased by 30% in H-US and 33% in H-DR. Azithromycin increased 54% in H-US and 338% in the H-DR. Resistance increased from 10% to 28% for ESBL-Kp and from 10% to 12% for ESBL E coli at H-US. CR-PSAR decreased from 20% to 12%, while cefepime and piperacillin resistance increased from 5% to 20% and 3% to 16% respectively (Figure 1). At H-DR, ESBL-Kp resistance decreased from 68% to 64% and increased from 58% to 59% for ESBL E coli. CR-PSAR and cefepime resistance increased from 5% to 19% and from 9% to 29% respectively (Figure 2). Figure 1. Antimicrobial resistance (%) for select organisms at H-US in 2019 and 2020 Figure 2. Antimicrobial resistance (%) for select organisms at H-DR in 2019 and 2020 Conclusion COVID-19 had a major impact on antimicrobial consumption and resistance in the US and DR. A greater impact was seen on ESBL rates in the US whilst a greater impact on carbapenem resistance was seen in the DR. The rise in carbapenem use in H-US reflected a rise in ESBL rates. In the DR, ESBL producing organisms were common prior to COVID-19 and carbapenem use was more widespread. The impact of the COVID-19 pandemic on AU may accelerate AMR worldwide. The scale up of antimicrobial stewardship across the globe is urgently needed to curb AMR. Disclosures All Authors: No reported disclosures
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