Drug susceptibility profiles of Mycobacterium tuberculosis isolates at Mangalore.
Indian J Med Sci
;
2010 Mar; 64(3) 99-103
Artigo
em Inglês
| IMSEAR
| ID: sea-145493
ABSTRACT
Background and Objectives:
Tuberculosis (TB) remains one of the major causes of death from a single infectious agent worldwide. Its resurgence in 1990s is primarily due to co-infection with HIV and the emergence of multi-drug-resistant (MDR) strains. Our objectives in this study were demonstration and grading of acid-fast bacilli in smears from sputum specimens of clinically newly diagnosed pulmonary TB patients, isolation of the organism, speciation and drug susceptibility testing of Mycobacterium tuberculosis isolates to isoniazid (H), rifampicin (R), streptomycin (S), and ethambutol (E). Materials andMethods:
Sputum specimens were collected from 150 patients. Smear examination was done after Ziehl-Neelsen staining. The specimens were cultured onto Lowenstein Jensen media after Petroff's method of concentration. The growth was identified as M. tuberculosis with standard tests. Sensitivity of 50 isolates of tubercle bacilli to anti-TB drugs H, R, S, E were determined by Resistance-Ratio method.Results:
Out of 150 sputum specimens examined, 62(41.3%) were smear positive. Out of these 62,56 grew on culture. 50 isolates of M. tuberculosis were picked up for drug susceptibility testing. Total of 31 (62%) were resistant to S, 14(28%) to H, 9(18%) to R, 6(12%) were resistant to E and 2 strains (4%) were resistant to H and R.Conclusion:
From the small cohort, incidence of primary MDR-TB was found to be 4% in this region, which is within the expected range.
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Rifampina
/
Humanos
/
Testes de Sensibilidade Microbiana
/
Estudos de Coortes
/
Tuberculose Resistente a Múltiplos Medicamentos
/
Farmacorresistência Bacteriana Múltipla
/
Índia
/
Isoniazida
/
Mycobacterium tuberculosis
Tipo de estudo:
Estudo de etiologia
/
Estudo de incidência
/
Estudo observacional
/
Estudo prognóstico
/
Fatores de risco
País/Região como assunto:
Ásia
Idioma:
Inglês
Revista:
Indian J Med Sci
Ano de publicação:
2010
Tipo de documento:
Artigo
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