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Master's Dissertation
DOI
https://doi.org/10.11606/D.42.2007.tde-31012008-113443
Document
Author
Full name
Paula Regina Cazares Viani
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2007
Supervisor
Committee
Dias, Amanda Latercia Tranches
Gambale, Valderez
Pires, Maria de Fatima Costa
Title in Portuguese
Candida provenientes de infecção hospitalar isoladas de pacientes internados em hospital infantil do estado de São Paulo e avaliadas por marcadores fenotípicos.
Keywords in Portuguese
Candida
Antifúngicos
Enzimas
Infecção hospitalar.
Abstract in Portuguese
Este estudo avaliou a incidência e distribuição de Candida spp. isoladas de casos de infecção hospitalar no período entre 2005 to 2007, em um hospital público infantil, em São Paulo. Brasil. As amostras foram isoladas de sangue, urina e outros materiais biológicos (36,6%, 37,12% e 26,52%, respectivamente). As análises micromorfológicas e bioquímicas revelaram que a distribuição por espécie foi 62,12% Candida albicans, 37,88% não-albicans. Uma maior incidência de amostras de C. albicans foi observada em casos de candidúria (53,62%) enquanto espécies não-albicans foram mais prevalentes em candidemia (71,43%) (p < 0.05). A respeito da produção enzimática, 68,94%, 47,73%, 65,91% e 66,67% foram positivas para proteínase, fosfolipase, lipase e hemolisina. Em relação aos antifúngicos, para Anfotericina B, 96,97% dos isolados mostraram e para 5- fluorcitosina foi observado o maior índice de resistência. Os fatores de risco identificados para candidemia hospitalar foram as doenças pré-existentes, terapia antibiótica de largo espectro e a presença de cateter venoso central.
Title in English
Nosocomial infections Candida at a public children's hospital in São Paulo evaluated by fenotipic markers.
Keywords in English
Candida
Antifungal agent
Enzymes
Nosocomial infection.
Abstract in English
This study evaluated the incidence and distribution of Candida spp. identified from cases of nosocomial infection in the period from 2005 to 2007, in a public children's hospital in São Paulo, Brazil. The strains were isolated from the blood, urine and other biological specimens (36,6%, 37,12% and 26,52%, respectively). Micromorphological and biochemical analyses revealed that the overall distribution by species was 62,12% Candida albicans, 37,88% non-albicans. A higher incidence of C. albicans strains was observed in cases of candiduria (53,62%) while non-albicans species were more prevalent in cases of candidemia (71,43%) (p < 0.05). Concernig the production of enzymes, 68,94%, 47,73%, 65,91% and 66,67% presented positive proteinase, phospholipase, lipase and hemolin activity. In relation to antifungal for the Amphotericin B, 96,97% of isolates showed sensitivity and for 5- fluorocytosine was observed the biggest index of resistence. The Risk factors identified for nosocomial candidemia was underlying disease, therapy with broad-spectrum antibiotics and the presence of a central venous catheter.
 
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PaulaReginaCViani.pdf (316.77 Kbytes)
Publishing Date
2008-02-13
 
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