the sensitivity, specificity and efficiency values of some serological tests used in the diagnosis of paracoccidioidomycosis sensibilidade, especificidade e eficiência de alguns testes sorológicos na paracoccidioidomicose

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ID: 247645
1991
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Abstract
This work reports on the results of double immunodiffusion (ID), counterimmunoelectrophoresis (CIE), complement fixation (CF) and indirect immunofluorescence (IIF) techniques in the serodiagnosis of paracoccidioidomycosis. The study was undertaken on four groups of individuals: 46 patients with untreated paracoccidioidomycosis, 22 patients with other deep mycoses, 30 with other infectious diseases (tuberculosis and cutaneous leishmaniasis) and 47 blood donors as negative controls. Data were obtained using Paracoccidioides brasiliensis antigens, i.e.,a yeast culture filtrate for ID, CIE and CF, and a yeast cell suspension for IIF. The sensitivity, specificity and efficiency values were measured according to GALEN & GAMBINO8.The gel precipitation tests (ID and CIE) showed the greatest sensitivity (91.3 and 95.6%, respectively), maximum specificity (100%) and the highest efficiency values when compared to the CF and IIF tests.
O presente trabalho avalia a sensibilidade, especificidade e eficiência da imunodifusão dupla (ID), contraimunoeletroforese (CIE), reação de fixação de complemento (FC) e imunofluorescência indireta (IFI) no diagnóstico da paracoccidioidomicose. Os pacientes portadores da micose, virgens de tratamento, tiveram o diagnóstico confirmado por exame micológico e/ou histopatológico. Utilizou-se como antígenos o filtrado de cultura da fase leveduriforme do Paracoccidioides brasiliensis para os testes de ID, CIE, FC e suspensão de células leveduriformes de "pool" de cepas do mesmo fungo para o teste de IFI. O estudo foi realizado em 4 grupos de indivíduos: 46 com paracoccidioidomicose ativa (sem tratamento), 22 com outras micoses profundas, 30 com outras doenças infecciosas (tuberculose e leishmaniose tegumentar) e 47 controles normais. Os valores de sensibilidade, especificidade e eficiência foram obtidos de acordo com a metodologia utilizada por GALEN & GAMBINO (1975). Os resultados revelaram que os testes de precipitação em gel de agar e agarose, representados pela ID e CIE foram os melhores, apresentando maior sensibilidade (91,3% e 95,6%, respectivamente), máxima especificidade (100%) e os maiores valores de eficiência quando comparados à FC e IFI. Tais resultados confirmam dados obtidos por LONDERO et al. (1981), SIQUEIRA (1982), CANO & RESTREPO (1987), entre outros.
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negro1991revistathe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Gilda M.B. Del Negro, Nilma M. Garcia, Elaine G. Rodrigues, M. Isabel N. Cano, Mônica S.m.v. de Aguiar, Vanda de S. Lírio, Carlos da S. Lacaz
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Journal 2017 12th international conference for internet technology and secured transactions, icitst 2017
Year 1991
DOI
10.1590/S0036-46651991000400006
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651991000400006
Keywords
tropical medicine

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