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Detection of metallo-beta-lactamase in Pseudomonas aeruginosa isolated from hospitalized patients in Goiânia, State of Goiás
Pseudomonas aeruginosa is a bacterium frequently isolated from hospital environments. This study had the aims of evaluating the susceptibility profile of Pseudomonas aeruginosa previously isolated from patients in a hospital in Goiânia (Goiás, Brazil), performing phenotypic screening for metallo-bet...
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Published in: | Revista da Sociedade Brasileira de Medicina Tropical 2009-07, Vol.42 (4), p.411 |
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container_title | Revista da Sociedade Brasileira de Medicina Tropical |
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creator | Gonçalves, Diana Christina Pereira Santos Lima, Ana Beatriz Mori Leão, Lara Stefania Netto de Oliveira Filho, José Rodrigues do Carmo Pimenta, Fabiana Cristina Vieira, José Daniel Gonçalves |
description | Pseudomonas aeruginosa is a bacterium frequently isolated from hospital environments. This study had the aims of evaluating the susceptibility profile of Pseudomonas aeruginosa previously isolated from patients in a hospital in Goiânia (Goiás, Brazil), performing phenotypic screening for metallo-beta-lactamase production and detecting its genes using the polymerase chain reaction technique. Seventy-five 75 Pseudomonas aeruginosa isolates were evaluated between January 2005 and January 2007. Biochemical identification was performed using the API 20E system and an antibiogram was produced using the Kirby-Bauer method. Among the 62 isolates that were resistant to imipenem and ceftazidime, 35 (56.4%) produced metallo-beta-lactamase, while 26 (74.3%) showed the bla(SPM-1) gene. The frequency of Pseudomonas aeruginosa that produces metallo-beta-lactamase suggests that greater control over the dissemination of resistance in hospital environments is needed. |
doi_str_mv | 10.1590/S0037-86822009000400010 |
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This study had the aims of evaluating the susceptibility profile of Pseudomonas aeruginosa previously isolated from patients in a hospital in Goiânia (Goiás, Brazil), performing phenotypic screening for metallo-beta-lactamase production and detecting its genes using the polymerase chain reaction technique. Seventy-five 75 Pseudomonas aeruginosa isolates were evaluated between January 2005 and January 2007. Biochemical identification was performed using the API 20E system and an antibiogram was produced using the Kirby-Bauer method. Among the 62 isolates that were resistant to imipenem and ceftazidime, 35 (56.4%) produced metallo-beta-lactamase, while 26 (74.3%) showed the bla(SPM-1) gene. 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subjects | Anti-Bacterial Agents - pharmacology beta-Lactamases - biosynthesis beta-Lactamases - genetics Brazil Cross Infection - microbiology Disk Diffusion Antimicrobial Tests Drug Resistance, Multiple, Bacterial - genetics Humans Phenotype Polymerase Chain Reaction Pseudomonas aeruginosa - drug effects Pseudomonas aeruginosa - enzymology Pseudomonas aeruginosa - genetics Pseudomonas Infections - microbiology |
title | Detection of metallo-beta-lactamase in Pseudomonas aeruginosa isolated from hospitalized patients in Goiânia, State of Goiás |
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