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J. bras. pneumol ; 45(2): e20170451, 2019. tab
Article Dans Anglais | LILACS | ID: biblio-1040271

Résumé

ABSTRACT Tuberculosis continues to be a major public health problem worldwide. The aim of the present study was to evaluate the accuracy of the Xpert MTB/RIF rapid molecular test for tuberculosis, using pulmonary samples obtained from patients treated at the Júlia Kubitschek Hospital, which is operated by the Hospital Foundation of the State of Minas Gerais, in the city of Belo Horizonte, Brazil. This was a retrospective study comparing the Xpert MTB/RIF test results with those of standard culture for Mycobacterium tuberculosis and phenotypic susceptibility tests. Although the Xpert MTB/RIF test showed high accuracy for the detection of M. tuberculosis and its resistance to rifampin, attention must be given to the clinical status of the patient, in relation to the test results, as well as to the limitations of molecular tests.


RESUMO A tuberculose permanece como um grave problema de saúde pública. O objetivo deste estudo foi avaliar a acurácia do teste rápido molecular Xpert MTB/RIF em amostras pulmonares no Hospital Júlia Kubitschek, Fundação Hospitalar do Estado de Minas Gerais, localizado em Belo Horizonte (MG). Trata-se de um estudo descritivo retrospectivo, considerando-se como método padrão a cultura para o bacilo da tuberculose e o teste de sensibilidade fenotípico. O teste Xpert MTB/RIF apresentou ótima acurácia para a detecção da tuberculose e resistência à rifampicina, mas é necessária a atenção a dados clínicos do paciente em relação ao resultado do exame e às limitações dos testes moleculares.


Sujets)
Humains , Expectoration/microbiologie , Trachée/microbiologie , Tuberculose pulmonaire/diagnostic , Tuberculose pulmonaire/microbiologie , Liquide de lavage bronchoalvéolaire/microbiologie , Techniques d'amplification d'acides nucléiques/méthodes , Rifampicine/pharmacologie , ADN bactérien , Reproductibilité des résultats , Études rétrospectives , Sensibilité et spécificité , Techniques de diagnostic moléculaire/méthodes , Résistance bactérienne aux médicaments/effets des médicaments et des substances chimiques , Centres de soins tertiaires , Antibiotiques antituberculeux/pharmacologie , Mycobacterium tuberculosis/isolement et purification , Mycobacterium tuberculosis/effets des médicaments et des substances chimiques
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