Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Saúde (Santa Maria) |
Texto Completo: | https://periodicos.ufsm.br/revistasaude/article/view/40016 |
Resumo: | Objective: To evaluate the etiological and antimicrobial susceptibility profile of positive blood cultures from a university hospital in southern Brazil over a period of one year. Methods: All positive blood cultures collected from January to December 2018 were retrospectively analyzed, and information regarding gender and age, type of collection (peripheral/catheter), hospital sectors, isolated microorganisms, mean positivity time and antimicrobial resistance profile. Results: Of the 870 positive blood cultures, there was preponderance in males (53,0%), in adults (33,9%), in peripheral blood (65,7%) and in the Adult Intensive Care Unit (19,8%). Staphylococcus epidermidis (38,1%) and Klebsiella pneumoniae (26,3%) were the prevalent microorganisms. Mean bacterial positivity time was less than 24 hours (18h 39min and 17h, Gram positive and Gram negative, respectively), and for fungi (4,7% of the total), over 48 hours (52h 26min). Staphylococcus showed significant resistance to oxacillin (S. epidermidis – 82,3% and S. hominis – 85,5%). The resistance of K. pneumoniae to carbapenems was 56,5%, to 23,2% to colistin and to 53,6% to cephalosporins. Conclusions: Resistance to methicillin/oxacillin in staphylococci coagulase, as well as that of carbapenemics, colistin, and broad spectrum cephalosporins in K. pneumoniae are of concern, as bloodstream infection is still a major source of mortality. Immediate correct antibiotic therapy impacts financially and clinical outcome, which makes epidemiological studies such as this important aid in the initiation of effective therapy and significantly increase the likelihood of patient survival, especially in this hospita |
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Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospitalPrevalência e perfil de resistência aos antimicrobianos de hemoculturas em hospital universitárioBacteremiaNosocomial infectionSepsisAntibacterialsStaphylococcus epidermidisKlebsiella pneumoniaeHemoculturaBacteremiaInfecção hospitalarSepseAntibacterianos.Objective: To evaluate the etiological and antimicrobial susceptibility profile of positive blood cultures from a university hospital in southern Brazil over a period of one year. Methods: All positive blood cultures collected from January to December 2018 were retrospectively analyzed, and information regarding gender and age, type of collection (peripheral/catheter), hospital sectors, isolated microorganisms, mean positivity time and antimicrobial resistance profile. Results: Of the 870 positive blood cultures, there was preponderance in males (53,0%), in adults (33,9%), in peripheral blood (65,7%) and in the Adult Intensive Care Unit (19,8%). Staphylococcus epidermidis (38,1%) and Klebsiella pneumoniae (26,3%) were the prevalent microorganisms. Mean bacterial positivity time was less than 24 hours (18h 39min and 17h, Gram positive and Gram negative, respectively), and for fungi (4,7% of the total), over 48 hours (52h 26min). Staphylococcus showed significant resistance to oxacillin (S. epidermidis – 82,3% and S. hominis – 85,5%). The resistance of K. pneumoniae to carbapenems was 56,5%, to 23,2% to colistin and to 53,6% to cephalosporins. Conclusions: Resistance to methicillin/oxacillin in staphylococci coagulase, as well as that of carbapenemics, colistin, and broad spectrum cephalosporins in K. pneumoniae are of concern, as bloodstream infection is still a major source of mortality. Immediate correct antibiotic therapy impacts financially and clinical outcome, which makes epidemiological studies such as this important aid in the initiation of effective therapy and significantly increase the likelihood of patient survival, especially in this hospitaObjetivo: Avaliar o perfil etiológico e de resistência aos antimicrobianos das hemoculturas realizadas em um hospital universitário. Métodos: Analisaram-se retrospectivamente as hemoculturas positivas realizadas no hospital durante janeiro a dezembro de 2018. Foram coletadas informações referentes ao gênero e faixa etária, tipo de coleta (periférica/cateter), setores de internação hospitalar, microrganismos envolvidos, tempo de positividade médio (TPM) e perfil de resistência aos agentes antimicrobianos. Resultados: Das 870 hemoculturas positivas, houve preponderância no gênero masculino (53,0%), em adultos (33,9%), no sangue periférico (65,7%) e no setor de Pronto Atendimento Adulto (23,4%). Staphylococcus epidermidis (38,1%) e Klebsiella pneumoniae (26,3%) foram os microrganismos prevalentes. O TPM das bactérias foi inferior a 24 horas (18h 39min e 17h, Gram positivas e Gram negativas, respectivamente), e para fungos (4,7 % do total), acima de 48 horas (52h 26min). Staphylococcus apresentou resistência significativa frente à oxacilina (S. epidermidis - 82,3% e S. hominis - 85,5%). A resistência de K. pneumoniae frente aos carbapenêmicos foi de 56,5%, à colistina de 23,2% e às cefalosporinas de 53,6%. Conclusões: A resistência a oxacilina nos estafilococos coagulase, bem como a dos carbapenêmicos, colistina e cefalosporinas de amplo espectro em K. pneumoniae são fatores preocupantes. A infecção de corrente sanguínea, mesmo em países desenvolvidos, constitui, ainda, importante fonte de mortalidade. A imediata antibioticoterapia correta impacta financeiramente e no desfecho clínico. Estudos epidemiológicos como este ofertam importantes subsídios, colaborando com o início da terapia efetiva e o aumento significativo da probabilidade de sobrevivência do paciente.Universidade Federal de Santa Maria2019-12-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/revistasaude/article/view/4001610.5902/2236583440016Saúde (Santa Maria); Revista Saúde (Santa Maria), Vol.45, n.3, set.-dez. 2019Saúde (Santa Maria); Revista Saúde (Santa Maria), Vol.45, n.3, set.-dez. 20192236-58340103-4499reponame:Saúde (Santa Maria)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/revistasaude/article/view/40016/pdfCopyright (c) 2019 Saúde (Santa Maria)info:eu-repo/semantics/openAccessFoletto, Vitória SegabinazziBottega, AngelitaSerafin, Marissa BolsonRosa, Taciéli Fagundes daMainardi, AmandaFranco, Laísa NunesHörner, Rosmari2020-02-14T13:02:11Zoai:ojs.pkp.sfu.ca:article/40016Revistahttps://periodicos.ufsm.br/revistasaudePUBhttps://periodicos.ufsm.br/revistasaude/oairevistasaude.ufsm@gmail.com || amanda.revsaude@gmail.com || beatriz.revsaude@gmail.com2236-58342236-5834opendoar:2020-02-14T13:02:11Saúde (Santa Maria) - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital Prevalência e perfil de resistência aos antimicrobianos de hemoculturas em hospital universitário |
title |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital |
spellingShingle |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital Foletto, Vitória Segabinazzi Bacteremia Nosocomial infection Sepsis Antibacterials Staphylococcus epidermidis Klebsiella pneumoniae Hemocultura Bacteremia Infecção hospitalar Sepse Antibacterianos. |
title_short |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital |
title_full |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital |
title_fullStr |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital |
title_full_unstemmed |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital |
title_sort |
Etiological and antimicrobial susceptibility profile of isolated blood cultures in a university hospital |
author |
Foletto, Vitória Segabinazzi |
author_facet |
Foletto, Vitória Segabinazzi Bottega, Angelita Serafin, Marissa Bolson Rosa, Taciéli Fagundes da Mainardi, Amanda Franco, Laísa Nunes Hörner, Rosmari |
author_role |
author |
author2 |
Bottega, Angelita Serafin, Marissa Bolson Rosa, Taciéli Fagundes da Mainardi, Amanda Franco, Laísa Nunes Hörner, Rosmari |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Foletto, Vitória Segabinazzi Bottega, Angelita Serafin, Marissa Bolson Rosa, Taciéli Fagundes da Mainardi, Amanda Franco, Laísa Nunes Hörner, Rosmari |
dc.subject.por.fl_str_mv |
Bacteremia Nosocomial infection Sepsis Antibacterials Staphylococcus epidermidis Klebsiella pneumoniae Hemocultura Bacteremia Infecção hospitalar Sepse Antibacterianos. |
topic |
Bacteremia Nosocomial infection Sepsis Antibacterials Staphylococcus epidermidis Klebsiella pneumoniae Hemocultura Bacteremia Infecção hospitalar Sepse Antibacterianos. |
description |
Objective: To evaluate the etiological and antimicrobial susceptibility profile of positive blood cultures from a university hospital in southern Brazil over a period of one year. Methods: All positive blood cultures collected from January to December 2018 were retrospectively analyzed, and information regarding gender and age, type of collection (peripheral/catheter), hospital sectors, isolated microorganisms, mean positivity time and antimicrobial resistance profile. Results: Of the 870 positive blood cultures, there was preponderance in males (53,0%), in adults (33,9%), in peripheral blood (65,7%) and in the Adult Intensive Care Unit (19,8%). Staphylococcus epidermidis (38,1%) and Klebsiella pneumoniae (26,3%) were the prevalent microorganisms. Mean bacterial positivity time was less than 24 hours (18h 39min and 17h, Gram positive and Gram negative, respectively), and for fungi (4,7% of the total), over 48 hours (52h 26min). Staphylococcus showed significant resistance to oxacillin (S. epidermidis – 82,3% and S. hominis – 85,5%). The resistance of K. pneumoniae to carbapenems was 56,5%, to 23,2% to colistin and to 53,6% to cephalosporins. Conclusions: Resistance to methicillin/oxacillin in staphylococci coagulase, as well as that of carbapenemics, colistin, and broad spectrum cephalosporins in K. pneumoniae are of concern, as bloodstream infection is still a major source of mortality. Immediate correct antibiotic therapy impacts financially and clinical outcome, which makes epidemiological studies such as this important aid in the initiation of effective therapy and significantly increase the likelihood of patient survival, especially in this hospita |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-12-10 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufsm.br/revistasaude/article/view/40016 10.5902/2236583440016 |
url |
https://periodicos.ufsm.br/revistasaude/article/view/40016 |
identifier_str_mv |
10.5902/2236583440016 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufsm.br/revistasaude/article/view/40016/pdf |
dc.rights.driver.fl_str_mv |
Copyright (c) 2019 Saúde (Santa Maria) info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2019 Saúde (Santa Maria) |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
dc.source.none.fl_str_mv |
Saúde (Santa Maria); Revista Saúde (Santa Maria), Vol.45, n.3, set.-dez. 2019 Saúde (Santa Maria); Revista Saúde (Santa Maria), Vol.45, n.3, set.-dez. 2019 2236-5834 0103-4499 reponame:Saúde (Santa Maria) instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Saúde (Santa Maria) |
collection |
Saúde (Santa Maria) |
repository.name.fl_str_mv |
Saúde (Santa Maria) - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
revistasaude.ufsm@gmail.com || amanda.revsaude@gmail.com || beatriz.revsaude@gmail.com |
_version_ |
1799944001318551552 |