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1.
Braz. j. microbiol ; 33(2): 163-165, Apr.-Jun. 2002. tab
Article in English | LILACS | ID: lil-330264

ABSTRACT

We evaluated the performance of the AMPLICOR MTB assay for detection of M. tuberculosis in clinical specimens obtained from 98 smear-negative tuberculous patients (43 with positive and 55 with negative culture results). The sensitivity of the AMPLICOR MTB was 44.9(per cent) (44/98) and that of culture was 43.8(per cent) (43/98). No significant difference was observed between the results obtained by AMPLICOR MTB and by culture. We conclude that amplification assays could be used for testing smear-negative specimens because a rapid diagnosis will benefit those patients.


Subject(s)
Humans , Mycobacterium tuberculosis , Tuberculosis , Culture Media , Methods , Outpatients
2.
Folha méd ; 107(4): 169-71, out. 1993.
Article in Portuguese | LILACS | ID: lil-156161

ABSTRACT

Duzentos e nove espécimes de fragmento pleural (139) e líquido pleural (70) sem descontaminaçåo prévia foram cultivados simultâneamente em meios de Loewenstein-Jensen e líquido de Kirchner, durante o ano de 1991. A atualizaçao deste meio seletivo adicinalmente ao de Loewenstein-Jensen aumentou o número de culturas positivas de 44 (20,0 por cento) para 68 (32,4 por cento). Como a tuberculose é a principal causa de derrame pleural no Brasil e o diagnóstico é usualmente presuntivo, os dados obtidos demonstram que em condiçÆes relativamente simples o diagnóstico etiológico pode ser realizado


Subject(s)
Humans , Bacteriological Techniques , Culture Media , Tuberculosis, Pleural/diagnosis
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