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1.
Rev. Soc. Bras. Med. Trop ; 52: e20180285, 2019. tab, graf
Article Dans Anglais | LILACS | ID: biblio-1041544

Résumé

Abstract INTRODUCTION Salmonella enterica serovar Panama belongs to the D1 serogroup and is frequently associated with nontyphoidal salmonellosis in humans. This study aimed to characterize isolates collected from Northeast Brazil by phenotypic and molecular methods. METHODS Forty four S. Panama strains were examined for antimicrobial susceptibility, virulence genes, and pulsed field gel electrophoresis (PFGE) types. RESULTS All strains were susceptible to antibiotics (except for streptomycin), presented classical virulence factors, and could be clustered into four groups and 18 pulsotypes. CONCLUSIONS This work calls for continuous surveillance for the emergence of antibiotic resistance and new clones in a geographical area.


Sujets)
Animaux , Salmonella enterica/génétique , Facteurs de virulence/génétique , Variation génétique , Brésil , Tests de sensibilité microbienne , Électrophorèse en champ pulsé , Salmonella enterica/isolement et purification , Salmonella enterica/effets des médicaments et des substances chimiques , Salmonella enterica/pathogénicité , Multirésistance bactérienne aux médicaments , Antibactériens/pharmacologie
2.
Rev. Soc. Bras. Med. Trop ; 51(2): 244-246, Mar.-Apr. 2018.
Article Dans Anglais | LILACS | ID: biblio-897060

Résumé

Abstract Salmonella infections usually occur as gastroenteritis that is generally self-limited. However, some serotypes of Salmonella can cause severe extra-intestinal infections, such as bacteremia and meningitis. Here, we report the first Salmonella Panama case of meningitis in 4-month-old male newborn in Brazil. The invasive strain isolated was susceptible to all antimicrobial agents tested. The genes agfA, fimA, invA, sfbA, phoP, and slyA were detected using polymerase chain reactions. These findings are relevant and physicians should be alert to the possibility of meningitis in newborns due to S. Panama, which can present a high rate of mortality or recurrence of infection.


Sujets)
Humains , Mâle , Méningite bactérienne/microbiologie , Salmonella enterica/génétique , Brésil/épidémiologie , Sérotypie , Réaction de polymérisation en chaîne , Méningite bactérienne/diagnostic , Méningite bactérienne/épidémiologie , Salmonella enterica/isolement et purification
3.
Rev. bras. anal. clin ; 30(2): 49-52, 1998. tab, graf
Article Dans Portugais | LILACS | ID: lil-525179

Résumé

Uma avaliação da magnitude das infecções hospitalares em grandes queimados da área pediátrica do Hospital João Alves Filho foi realizada de 20 de novembro de 1996 a abril de 1997. Neste período foram analisados 74 casos de crianças com idades entre 0 e 12 anos, objetivando verificar a ocorrência de infecções hospitalares (IH), determinar os agentes etiológicos e respectivas sensibilidade e resistência a antimicrobianos. Uma busca aos prontuários forneceu informações sobre os antibióticos empregados como medidas profiláticas. Foi feita análise microbiológica das superfícies do ambiente. Dos 74 pacientes admitidos, 4 (5,4%) apresentaram 14 episódios de infecções nosocomiais (18,97%) causadas por: Pseudomonas aeruginosa (54,14%), Staphylococcus aureus (7,14%), Cedecea lapagei (7,14%), Klebsiella pneumoniae (7,14%), Proteus mirabilis (14,28%) e Proteus vulgaris (7,14%). O patógeno prevalente também nas superfícies, Pseudomonas sp., apresentou sensibilidade a Imipenem (75%), Cefepime, Norfloxacin e Azetreonam (62,5% cada). Os dados indicaram o uso de profiláticos em 100% dos casos


Sujets)
Humains , Nouveau-né , Nourrisson , Enfant d'âge préscolaire , Enfant , Unités de soins intensifs de brûlés , Infection croisée , Résistance microbienne aux médicaments , Tests de sensibilité parasitaire
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