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Revista chilena de infectología

Print version ISSN 0716-1018

Abstract

VILLA, Lina M et al. Resistance to antibiotics in Pseudomonas aeruginosa in Colombian hospitals. Rev. chil. infectol. [online]. 2013, vol.30, n.6, pp.605-610. ISSN 0716-1018.  http://dx.doi.org/10.4067/S0716-10182013000600005.

Pseudomonas aeruginosa infections cause high morbidity and mortality. We performed a descriptive analysis of the rates of antibiotic resistance in isolates of P. aeruginosa in 33 hospitals enrolled in a surveillance network in Colombia. The study was conducted between January 2005 and December 2009 .9905 isolates of P. aeruginosa were identified, (4.9% of all strains). In intensive care units (ICU) P. aeruginosa showed an overall resistance to aztreonam, cefepime , ceftazidime, imipenem, meropenem , and piperacillin / tazobactam of 31.8% , 23.9% , 24.8%, 22.5%, 20.3% and 22.3%, respectively. Resistance rates increased for piperacillin/tazobactam, cefepime, and imipenem; remained unchanged for meropenem; and decreased for aminoglycosides, quinolones and ceftazidime. Resistance to one, two and three or more families of antibiotics was found in 17%, 12.5%, and 32.1%, respectively. In samples collected from the wards, the resistance rate was lower but usually over 10%. Antibiotic resistance in P. aeruginosa isolates in hospitalized patients and particularly in those admitted to ICUs in Colombia is high.

Keywords : Pseudomonas aeruginosa; Drug Resistance, Microbial; Intensive Care Unit; Hospital Units; Anti-bacterial agents; Colombia.

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