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In vitro susceptibility testing of dermatophytes isolated in Goiania, Brazil, against five antifungal agents by broth microdilution method / Teste de suscetibilidade in vitro de dermatófitos isolados em Goiânia, Brasil, contra cinco agentes antifúngicos pelo método de microdiluição em caldo
Araújo, Crystiane Rodrigues; Miranda, Karla Carvalho; Fernandes, Orionalda de Fatima Lisboa; Soares, Ailton José; Silva, Maria do Rosário Rodrigues.
  • Araújo, Crystiane Rodrigues; s.af
  • Miranda, Karla Carvalho; s.af
  • Fernandes, Orionalda de Fatima Lisboa; s.af
  • Soares, Ailton José; s.af
  • Silva, Maria do Rosário Rodrigues; s.af
Rev. Inst. Med. Trop. Säo Paulo ; 51(1): 9-12, Jan.-Feb. 2009. tab
Article in English | LILACS | ID: lil-505988
ABSTRACT
The antifungal activities of fluconazole, itraconazole, ketoconazole, terbinafine and griseofulvin were tested by broth microdilution technique, against 60 dermatophytes isolated from nail or skin specimens from Goiania city patients, Brazil. In this study, the microtiter plates were incubated at 28 ºC allowing a reading of the minimal inhibitory concentration (MIC) after four days of incubation for Trichophyton mentagrophytes and five days for T. rubrum and Microsporum canis. Most of the dermatophytes had uniform patterns of susceptibility to the antifungal agents tested. Low MIC values as 0.03 µg/mL were found for 33.3 percent, 31.6 percent and 15 percent of isolates for itraconazole, ketoconazole and terbinafine, respectively.
RESUMO
Atividades antifúngicas de fluconazol, itraconazol, cetoconazol, terbinafina e griseofulvina foram testadas pelo método de microdiluição em caldo contra 60 isolados de dermatófitos. Os resultados mostraram que todos os isolados produziram crescimento claramente detectável a 28 ºC e a concentração inibitória mínima (CIM) foi determinada após quatro dias de incubação para Trichophyton mentagrophytes e cinco dias para T. rubrum e Microsporum canis. A maioria dos isolados teve um padrão uniforme de suscetibilidade para os agentes antifúngicos testados. Baixos valores de CIM como 0,03 µg/mL foram encontrados para 33,3 por cento, 31,6 por cento e 15 por cento dos isolados para itraconazol, cetoconazol e terbinafina, respectivamente.
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Full text: Available Index: LILACS (Americas) Main subject: Trichophyton / Microsporum / Antifungal Agents Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2009 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Trichophyton / Microsporum / Antifungal Agents Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2009 Type: Article