Carbapenem-resistant K pneumoniae (CRKP) clinical isolates have spread widely now-a-days throughout the world. This study was designed to investigate the carbapenem resistance among Klebsiella pneumoniae and to see anitimicrobial susceptibility of these CRKP isolates to other antimicrobials in a tertiary care hospital in Bangladesh. K pneumoniae was detected by standard methods and various biochemical tests like Triple Sugar Iron (TSI) agar media, Simmons citrate agar media and Motility-Indole-Urea (MIU) agar media. Imipenem resistance was used as the indicator for carbapenem resistance. Agar dilution method was used to determine MIC of imipenem. CRKP were tested for their antimicrobial susceptibility by Kirby-Bauer modified disc-diffusion technique as per Clinical and Laboratory Standard Institute (CLSI) guidelines and United States Food and Drug Administration (FDA) guidelines. Total 75 K pneumoniae were isolated. Among the isolated K pneumoniae, 28(37.33%) were resistant to carbapenem. Most of the CRKP were recovered from intensive care unit. MIC of CRKP ranged from ≥32μg/ml to ≤4μg/ml. Most of the CRKP were resistant to other antimicrobials. Carbapenem resistance in K pneumoniae is increasing in Bangladesh, which is very alarming and we should give importance on standard guideline of antimicrobials use.
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