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1.
Am J Infect Control ; 41(9): 844-5, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23465604

RESUMO

We describe risk factors associated with extended-spectrum ß-lactamase-producing Enterobacteriaceae fecal carriage at admission in an infant population. 12.6% were carrying extended-spectrum ß-lactamase-producing Enterobacteriaceae. Klebsiella pneumoniae, and Escherichia coli were the most frequently identified species. Prior antibiotic therapy (P = .016; odds ratio, 4.07; 95% confidence interval: 1.29-12.81) and the presence tracheostomy or gastrostomy (P = .018; odds ratio, 3.62; 95% confidence interval: 1.24-10.53) were independently associated with carriage at admission.


Assuntos
Portador Sadio/epidemiologia , Infecções por Enterobacteriaceae/epidemiologia , Enterobacteriaceae/enzimologia , beta-Lactamases/metabolismo , Portador Sadio/microbiologia , Enterobacteriaceae/isolamento & purificação , Infecções por Enterobacteriaceae/microbiologia , Fezes/microbiologia , Feminino , França/epidemiologia , Hospitais de Ensino , Humanos , Lactente , Masculino , Prevalência , Fatores de Risco , Centros de Atenção Terciária
2.
Am J Infect Control ; 40(9): 845-8, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22325483

RESUMO

BACKGROUND: The hospital environment contributes to the spread of extended-spectrum ß-lactamase (ESBL)-producing Enterobacteriaceae (ESBL-PE) during outbreaks. We aimed to assess the rate of environmental contamination in rooms occupied by ESBL carriers or infected children and to identify risk factors associated with contamination. METHODS: Five environmental surface samples were systematically performed in rooms occupied by ESBL-PE carrier or infected children. RESULTS: Forty-six Escherichia coli and 48 Klebsiella infected/carrier patients were included in the study. Nineteen (4%) of the 470 environmental samples performed yielded ESBL-PE. Klebsiella spp was the most frequent species isolated (16, 89%), whereas E coli and Citrobacter freundii were reported twice and once, respectively. Ten of the 19 (52%) isolates were identical to the corresponding strains isolated from children. Multivariate analysis highlighted ESBL-producing Klebsiella carriage/infection as the only risk factor significantly associated with surface contamination (P = .024). CONCLUSION: Our data suggest that hospital environmental contamination is more frequent in instances of fecal carriage or infection with ESBL-producing Klebsiella than ESBL-producing E coli. Reinforcing hygiene measures around ESBL-producing Klebsiella might be necessary to reduce the spread of ESBL-PE in hospital environments.


Assuntos
Infecções por Enterobacteriaceae/microbiologia , Microbiologia Ambiental , Escherichia coli/enzimologia , Escherichia coli/isolamento & purificação , Klebsiella/enzimologia , Klebsiella/isolamento & purificação , beta-Lactamases/metabolismo , Portador Sadio/microbiologia , Criança , Pré-Escolar , Citrobacter freundii/enzimologia , Citrobacter freundii/isolamento & purificação , Humanos , Quartos de Pacientes , Estudos Prospectivos
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