Gram-negative bacteria (GAB) continue to lead in terms of antibiotic resistance amongthe causative agents of opportunistic infections. K. pneumoniae occupies a special place among GOBs, causing secondary bacterial infections with a high frequency in patientswith COVID-19.Objective. To study the dynamics of sensitivity/resistance to antibiotics of K. pneumoniaeclinical isolates isolated from biological material in patients with secondary bacterialinfection with COVID-19.Materials and methods. In terms of sensitivity/resistance, 535 clinical isolatesof K. pneumoniae isolated from patients with COVID-19 in various regions of the Republicof Belarus in the period 2019–2021 were studied.Results. The proportion of clinical isolates of K. pneumoniae resistant to antibioticsagainst the background increased in 2021 compared to 2019 and was for carbapenemsin 2019 ertapenem – 46,4 ± 3,35 %, imipenem – 35,8 ± 3,19 % and meropenem –39,6 ± 3,28 % and in 2021 ertapenem 66,7 ± 4,74 % (p = 0,000603), imipenem54,4 ± 4,66 % (p = 0,001253) and meropenem 54,5 ± 4,49 % (p = 0,008182). K. pneumoniaeshowed a high frequency of resistance to colistin: against the background of COVID-19in 2019 – 95,0 ± 4,87 %, in 2020 – 100,0 ± 0,0 % (p = 0,311608), in 2021 – 55,3 ± 7,25 %(p = 0,000046).Conclusion. Among clinical isolates of K. pneumoniae, widespread resistance to mostantibiotics was observed, as well as an increase in resistance to carbapenems.
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