2014, Number 2
Isolated microorganisms of hospitalized patients in intensive care unit. Identification and antimicrobial resistance
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ABSTRACTIntroduction: The infection is one of the complications that frequently affects the critical patient. Objectives: Characterizing phenotypically the causing microorganisms of infections in hospitalized patients in Intensive Care Unit of the Institute "Pedro Kourí" (years 2010 to 2012). Method: Descriptive ,retrospective study, , in the Department of Clinical Microbiology of the IPK. The identification and antimicrobial susceptibility was carried out through automated system Vitek 2 Compact ([bioMerieux]). the data for their analysis of the system were extracted Observe ([bioMerieux]). Results: The prevalent identified microorganisms were Escherichia [coli] (22%), Acinetobacter [baumannii complex] (12%), Enterobacter [cloacae] and Pseudomonas [aeruginosa] (7%), Staphylococcus [aureus] and Candida [spp]. (6%), Klebsiella [pneumoniae] and Cryptococcus [spp]. (4%). half of the isolations of A. [baumannii] showed resistance to [piperazilina]/ [tazobactam], [cefepima] and [ciprofloxacina], the 20% was resistant to [meropenem]. The totality of the isolations of K. pneumonia was resistant to cefotaxima. The 100% of E. [cloacae] showed resistance to ampiciline/ [sulbactam] and [ceftazidima]. These bacteria didn't present resistance to [amikacina], but were resistant to [meropenem] (50% and 33% of E. [cloacae] and K .pneumonia, respectively. The 25% of Staphylococcus aureus was resistant to methicilin. They prevailed as resistance phenotypes the production of [betalactamasas] of extended spectrum (26% of the enterobacteria and the resistance to carbapenemics for impermeabilily (10,4% of the bacilluses negative gram). Conclusions: The enterobacteria and the not fermentor bacilluses especially with resistance to betalactamics, are frequent causes of infections in hospitalized patients in intensive care units.
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