Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil
Extended-spectrum β-lactamases (ESBL) in enterobacteria are recognized worldwide as a great hospital problem. In this study, 127 ESBL-producing Enterobacteriaceae isolated in one year from inpatients and outpatients at a public teaching hospital at São Paulo, Brazil, were submitted to analysis by PC...
Published in: | Revista do Instituto de Medicina Tropical de São Paulo |
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ftdoajarticles:oai:doaj.org/article:476029b26ead4898a8e33692ce528e50 2024-09-09T19:28:30+00:00 Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil Milena Dropa Livia C. Balsalobre Nilton Lincopan Elsa M. Mamizuka Thays Murakami Valéria C. Cassettari Fábio Franco Stella M. Guida Angelica J. Balabakis Lilian F. Passadore Silvia R. Santos Glavur R. Matté Maria H. Matté 2009-08-01T00:00:00Z https://doi.org/10.1590/S0036-46652009000400005 https://doaj.org/article/476029b26ead4898a8e33692ce528e50 EN eng Universidade de São Paulo (USP) http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652009000400005 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46652009000400005 0036-4665 1678-9946 https://doaj.org/article/476029b26ead4898a8e33692ce528e50 Revista do Instituto de Medicina Tropical de São Paulo, Vol 51, Iss 4, Pp 203-209 (2009) ESBL Enterobacteriaceae Klebsiella pneumoniae Pulsed Field Gel Electrophoresis Antimicrobial resistance Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 article 2009 ftdoajarticles https://doi.org/10.1590/S0036-46652009000400005 2024-08-05T17:49:30Z Extended-spectrum β-lactamases (ESBL) in enterobacteria are recognized worldwide as a great hospital problem. In this study, 127 ESBL-producing Enterobacteriaceae isolated in one year from inpatients and outpatients at a public teaching hospital at São Paulo, Brazil, were submitted to analysis by PCR with specific primers for blaSHV, blaTEM and blaCTX-M genes. From the 127 isolates, 96 (75.6%) Klebsiella pneumoniae, 12 (9.3%) Escherichia coli, 8 (6.2%) Morganella morganii, 3 (2.3%) Proteus mirabilis, 2 (1.6%) Klebsiella oxytoca, 2 (1.6%) Providencia rettgeri, 2 (1.6%) Providencia stuartti, 1 (0.8%) Enterobacter aerogenes and 1 (0.8%) Enterobacter cloacae were identified as ESBL producers. BlaSHV, blaTEM and blaCTX-M were detected in 63%, 17.3% and 33.9% strains, respectively. Pulsed field gel eletrophoresis genotyping of K. pneumoniae revealed four main molecular patterns and 29 unrelated profiles. PCR results showed a high variety of ESBL groups among strains, in nine different species. The results suggest the spread of resistance genes among genetically different strains of ESBL-producing K. pneumoniae in some hospital wards, and also that some strongly related strains were identified in different hospital wards, suggesting clonal spread in the institutional environment. Beta-lactamases de espectro estendido (ESBL) em enterobactérias são reconhecidas mundialmente como um grande problema hospitalar. Neste estudo, 127 Enterobacteriaceae produtoras de ESBL isoladas por um ano, de pacientes internados e ambulatoriais de um hospital público de ensino em São Paulo, Brasil, foram submetidas à análise pela PCR com iniciadores específicos para os genes blaSHV, blaTEM e blaCTX-M. Dos 127 isolados, 96 (75,6%) K. pneumoniae, 12 (9,3%) E. coli, 8 (6,2%) M. morganii, 3 (2,3%) Proteus mirabilis, 2 (1,6%) Klebsiella oxytoca, 2 (1,6%) Providencia rettgeri, 2 (1,6%) Providencia stuartti, 1 (0,8%) Enterobacter aerogenes e 1 (0,8%) Enterobacter cloacae foram identificados como produtores de ESBL. BlaSHV, blaTEM e blaCTX-M foram ... Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Providencia ENVELOPE(-66.779,-66.779,-68.305,-68.305) Revista do Instituto de Medicina Tropical de São Paulo 51 4 203 209 |
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Directory of Open Access Journals: DOAJ Articles |
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English |
topic |
ESBL Enterobacteriaceae Klebsiella pneumoniae Pulsed Field Gel Electrophoresis Antimicrobial resistance Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
spellingShingle |
ESBL Enterobacteriaceae Klebsiella pneumoniae Pulsed Field Gel Electrophoresis Antimicrobial resistance Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 Milena Dropa Livia C. Balsalobre Nilton Lincopan Elsa M. Mamizuka Thays Murakami Valéria C. Cassettari Fábio Franco Stella M. Guida Angelica J. Balabakis Lilian F. Passadore Silvia R. Santos Glavur R. Matté Maria H. Matté Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil |
topic_facet |
ESBL Enterobacteriaceae Klebsiella pneumoniae Pulsed Field Gel Electrophoresis Antimicrobial resistance Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
description |
Extended-spectrum β-lactamases (ESBL) in enterobacteria are recognized worldwide as a great hospital problem. In this study, 127 ESBL-producing Enterobacteriaceae isolated in one year from inpatients and outpatients at a public teaching hospital at São Paulo, Brazil, were submitted to analysis by PCR with specific primers for blaSHV, blaTEM and blaCTX-M genes. From the 127 isolates, 96 (75.6%) Klebsiella pneumoniae, 12 (9.3%) Escherichia coli, 8 (6.2%) Morganella morganii, 3 (2.3%) Proteus mirabilis, 2 (1.6%) Klebsiella oxytoca, 2 (1.6%) Providencia rettgeri, 2 (1.6%) Providencia stuartti, 1 (0.8%) Enterobacter aerogenes and 1 (0.8%) Enterobacter cloacae were identified as ESBL producers. BlaSHV, blaTEM and blaCTX-M were detected in 63%, 17.3% and 33.9% strains, respectively. Pulsed field gel eletrophoresis genotyping of K. pneumoniae revealed four main molecular patterns and 29 unrelated profiles. PCR results showed a high variety of ESBL groups among strains, in nine different species. The results suggest the spread of resistance genes among genetically different strains of ESBL-producing K. pneumoniae in some hospital wards, and also that some strongly related strains were identified in different hospital wards, suggesting clonal spread in the institutional environment. Beta-lactamases de espectro estendido (ESBL) em enterobactérias são reconhecidas mundialmente como um grande problema hospitalar. Neste estudo, 127 Enterobacteriaceae produtoras de ESBL isoladas por um ano, de pacientes internados e ambulatoriais de um hospital público de ensino em São Paulo, Brasil, foram submetidas à análise pela PCR com iniciadores específicos para os genes blaSHV, blaTEM e blaCTX-M. Dos 127 isolados, 96 (75,6%) K. pneumoniae, 12 (9,3%) E. coli, 8 (6,2%) M. morganii, 3 (2,3%) Proteus mirabilis, 2 (1,6%) Klebsiella oxytoca, 2 (1,6%) Providencia rettgeri, 2 (1,6%) Providencia stuartti, 1 (0,8%) Enterobacter aerogenes e 1 (0,8%) Enterobacter cloacae foram identificados como produtores de ESBL. BlaSHV, blaTEM e blaCTX-M foram ... |
format |
Article in Journal/Newspaper |
author |
Milena Dropa Livia C. Balsalobre Nilton Lincopan Elsa M. Mamizuka Thays Murakami Valéria C. Cassettari Fábio Franco Stella M. Guida Angelica J. Balabakis Lilian F. Passadore Silvia R. Santos Glavur R. Matté Maria H. Matté |
author_facet |
Milena Dropa Livia C. Balsalobre Nilton Lincopan Elsa M. Mamizuka Thays Murakami Valéria C. Cassettari Fábio Franco Stella M. Guida Angelica J. Balabakis Lilian F. Passadore Silvia R. Santos Glavur R. Matté Maria H. Matté |
author_sort |
Milena Dropa |
title |
Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil |
title_short |
Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil |
title_full |
Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil |
title_fullStr |
Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil |
title_full_unstemmed |
Extended-spectrum beta-lactamases among Enterobacteriaceae isolated in a public hospital in Brazil Beta-lactamases de espectro estendido em Enterobacteriaceae isoladas de Hospital Público no Brasil |
title_sort |
extended-spectrum beta-lactamases among enterobacteriaceae isolated in a public hospital in brazil beta-lactamases de espectro estendido em enterobacteriaceae isoladas de hospital público no brasil |
publisher |
Universidade de São Paulo (USP) |
publishDate |
2009 |
url |
https://doi.org/10.1590/S0036-46652009000400005 https://doaj.org/article/476029b26ead4898a8e33692ce528e50 |
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ENVELOPE(-66.779,-66.779,-68.305,-68.305) |
geographic |
Arctic Providencia |
geographic_facet |
Arctic Providencia |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Revista do Instituto de Medicina Tropical de São Paulo, Vol 51, Iss 4, Pp 203-209 (2009) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652009000400005 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46652009000400005 0036-4665 1678-9946 https://doaj.org/article/476029b26ead4898a8e33692ce528e50 |
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https://doi.org/10.1590/S0036-46652009000400005 |
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Revista do Instituto de Medicina Tropical de São Paulo |
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