IntroductionCOVID-19 outbreaks have left us to deal with an aftermath on many fronts. In particular, disproportionate use of antibiotics, high ICU burden and longer in-hospital stays during the pandemic have been proposed to aggravate the emergency posed by carbapenem-resistant isolates (CRI), specially through carbapenemase production. However, there have been few reports worldwide regarding changes in CRI incidence and little latinamerican literature.ObjectiveWe set out to determine whether the incidence of CRI rose in a tertiary care center in Santa Fe, Argentina during the time period with active cases of COVID-19.MethodsAnalytic epidemiologic study retrospectively designed. Two time periods were defined: P1 (without active cases of COVID-19) from September, 2019 to August, 2020 and P2 (starting at the onset of the first wave of COVID-19 in this institution) from September, 2020 to June 2021. All clinically-relevant microbiological samples -those meant for diagnostic purposes-taken during the study period from patients in the Internal Medicine and Surgical wards as well as the Intensive Care Units were included. Incidence was calculated by dividing the number of CRI during each time frame by the count of patient-day during that same period, multiplied by a hundred.Results9,135 hospitalizations, 50,145 patient-days of analysis. A total of 7285 clinical samples were taken, with an overall positivity for CRI of 12.1% (n=883). Overall CRI incidence during P2 was 2.5 times higher than in P1 (2.52 vs 0.955/100 patient-days, p <0.001). ICU CRI incidence raised from 6.78 to 8.69/100 patient-days in P2 (p=0.006).ConclusionWe found alarming rates of CRI in our center, 2.5 times higher than previous to the first COVID-19 wave, similar to other reports worldwide. To our knowledge, this is one of the few Latin-American reports on the effect of the COVID-19 pandemic on CRI incidence.
Introduction: Staphylococcus intermedius group (SIG), a known veterinary pathogen with the potential for zoonotic human infections, comprises S. intermedius, S. pseudointermedius, and S. delphini, which are not easily distinguishable. Without the proper equipment and procedures, it cannot be distinguished from Staphylococcus aureus (SAu), which causes underestimation of its true incidence. Case Presentation: A 52-year-old male with diabetes presented with complaints of fever and malaise. He developed respiratory failure and altered mental status; hence, intensive care was provided to him. Blood cultures and bronchoalveolar lavage culture developed methicillin-resistant SIG. Despite rapid adjustment of empiric antibiotic therapy, he died of multiple organ failure. Conclusions: Incorporating knowledge about this new pathogen and its aggressiveness into daily clinical practice can, through a high index of suspicion and detailed anamnesis, reduce misdiagnoses.
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