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Antibiotics susceptibility of Escherichia coli isolates from clinical specimens before and during COVID-19 pandemic

机译：Antibiotics susceptibility of Escherichia coli isolates from clinical specimens before and during COVID-19 pandemic

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Background and Objectives: Escherichia coli is a Gram-negative organism causing mild to severe infections, with a wide spectrum range of organs involved. The study aimed to describe antibiotics susceptibility of E. coli from clinical specimens from October 11, 2019 to September 11, 2020. Materials and Methods: Study was conducted retrospectively in a private microbiology laboratory in Mataram Indonesia. Period of study divided as two groups after WHO declared COVID-19 as pandemic by March 11, 2020; group A including the specimen related to September 2019 to March 11 th 2020 and group B including the specimens related to March 11 th 2020 to September 2020. All clinical specimens were subjected to identify E. coli isolates and their antibiotics susceptibility using WHO-NET 5.6 version. Results: Totally, 148 E. coli isolates were found in group A and 62 isolates in group B. Prevalence of extended-spectrum beta lactamase (ESBL)- producing E. coli in group A was 50 and in group B was 20.9 with significantly difference (p0.05). There was an increase in susceptibility to 10/16 antibiotics; where 3 antibiotics ofloxacin, aztreonam, and fosfomycin were significant (p0.05). There was a significant decrease in susceptibility to the antibiotics piperacillin (p=0.012), amoxicillin (p=0.002), cefadroxil (p=0.036) and ampicillin (p=0.036). Type of infections between two groups: musculoskeletal infections, pneumonia, urinary tract infections and sepsis were not significant. Conclusion: Reduced number of E. coli isolates between two groups with decrease of ESBL-producing E. coli contribute in dynamics of antibiotics susceptibility. The longer period of analysis is needed to be done, due to the ongoing COVID-19 pandemic.

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