Identification of an imipenem-resistant Pseudomonas aeruginosa clone among patients in a hospital in Rio de Janeiro

A total of 85 Pseudomonas aeruginosa isolates were obtained from October 1999 to April 2000 in a tertiary care hospital in Rio de Janeiro, Brazil. The imipenem susceptibility was evaluated by disk diffusion and agar dilution methods, and the clonal relationship among 67 isolates was examined by macr...

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Veröffentlicht in:The Journal of hospital infection 2005-05, Vol.60 (1), p.19-26
Hauptverfasser: Kokis, V.M., Moreira, B.M., Pellegrino, F.L.P.C., Silva, M.G., Long, J.B., Bastos, C.C.R., Santos, K.R.N.
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container_end_page 26
container_issue 1
container_start_page 19
container_title The Journal of hospital infection
container_volume 60
creator Kokis, V.M.
Moreira, B.M.
Pellegrino, F.L.P.C.
Silva, M.G.
Long, J.B.
Bastos, C.C.R.
Santos, K.R.N.
description A total of 85 Pseudomonas aeruginosa isolates were obtained from October 1999 to April 2000 in a tertiary care hospital in Rio de Janeiro, Brazil. The imipenem susceptibility was evaluated by disk diffusion and agar dilution methods, and the clonal relationship among 67 isolates was examined by macrorestriction profile analysis following pulsed-field gel electrophoresis. Imipenem resistance was observed in 52 (61.2%) isolates. Imipenem-resistant P. aeruginosa isolates were separated into 10 genotypes, 73% of which belonged to genotype A. Identification of a single P. aeruginosa clone with a high rate of imipenem resistance emphasizes the need to control the transmission of this organism among patients.
doi_str_mv 10.1016/j.jhin.2004.11.019
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subjects Antibacterial agents
Antibiotics. Antiinfectious agents. Antiparasitic agents
Biological and medical sciences
Brazil - epidemiology
Colony Count, Microbial
Cross Infection - epidemiology
Cross Infection - microbiology
Cross Infection - prevention & control
Cross Infection - transmission
DNA, Bacterial - analysis
DNA, Bacterial - genetics
Drug Resistance, Bacterial - genetics
Electrophoresis, Gel, Pulsed-Field
Genetic Variation - genetics
Genotype
Health Services Needs and Demand
Hospitals, Military
Hospitals, University
Humans
Imipenem
Imipenem resistance
Immunodiffusion
Infection Control - methods
Medical sciences
Microbial Sensitivity Tests
Molecular Epidemiology
Molecular typing
P. aeruginosa
Pharmacology. Drug treatments
Phylogeny
Pseudomonas aeruginosa
Pseudomonas aeruginosa - classification
Pseudomonas aeruginosa - genetics
Pseudomonas aeruginosa - isolation & purification
Pseudomonas Infections - epidemiology
Pseudomonas Infections - microbiology
Pseudomonas Infections - prevention & control
Pseudomonas Infections - transmission
Restriction Mapping
Time Factors
title Identification of an imipenem-resistant Pseudomonas aeruginosa clone among patients in a hospital in Rio de Janeiro
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