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Detection of drug resistant Mycobacterium tuberculosis among patients with and without HIV infection in a rural setting / Detección de Mycobacterium tubersulosis resistente a los antibióticos entre pacientes con y sin infección por VIH en un área rural
Kurup, R; George, C.
  • Kurup, R; University of Guyana. Faculty of Health Sciences. GY
  • George, C; University of Guyana. Faculty of Health Sciences. GY
West Indian med. j ; 62(2): 122-126, Feb. 2013. ilus, tab
Article in English | LILACS | ID: biblio-1045604
ABSTRACT

OBJECTIVE:

To analyse the sensitivity of Mycobacterium tuberculosis by nitrate reductase assay (NRA) and the Hain molecular line probe assay (LPA) in sputa of tuberculosis (TB)/HIV co-infected patients in Guyana.

DESIGN:

Sputum samples were collected from known TB patients at Georgetown Chest Clinic and were analysed at the Reference Laboratory, Guyana, over the period April 2010 to April 2011.

RESULTS:

Both methods recorded greater sensitivity for rifampin (RIF) than of isoniazid (INH). Both methods detected four RIF resistant, two INH resistant and two multi-drug resistant (MDR) strains and they had greater negative agreement indices than positive agreement indices.

CONCLUSION:

It was established that the sensitivity of Mycobacterium tuberculosis by the NRA and Hain LPA in TB/HIV co-infected patients has acceptable correlation and that HIV infection does not affect drug susceptibility testing.
RESUMEN

OBJETIVO:

Analizar la sensibilidad de Mycobacterium tuberculosis por medio del ensayo de nitrato reductasa (NRA) y el ensayo de sonda lineal (LPA) molecular de Hain en esputos de pacientes co-infectados TB/VIH en Guyana.

DISEÑO:

Muestras de esputo de pacientes de la Clínica del Tórax en Georgetown diagnosticados con tuberculosis, fueron analizadas en el Laboratorio de Referencias, en Guyana, en el período de abril de 2010 a abril de 2011.

RESULTADOS:

Ambos métodos registraron una mayor sensibilidad a la rifampicina (RIF) que a la isoniacida (INH). Ambos métodos detectaron cuatro cepas resistentes a RIF, dos resistentes a INH, y dos resistentes a mútiples medicamentos (RMM). Asimismo, presentaban mayores índices de concordancia negativa que de concordancia positiva.

CONCLUSIÓN:

Se estableció que la sensibilidad de Mycobacterium tuberculosis por medio del ensayo de NRA y el LPA de Hain en pacientes co-infectados TB/VIH, guarda una correlación aceptable, y que la infección por VIH no afecta la prueba de susceptibilidad a los medicamentos.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Sputum / Microbial Sensitivity Tests / HIV Infections / Mycobacterium tuberculosis / Antitubercular Agents Type of study: Diagnostic study Limits: Humans Country/Region as subject: South America / English Caribbean / Guyana Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2013 Type: Article Affiliation country: Guyana Institution/Affiliation country: University of Guyana/GY

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Full text: Available Index: LILACS (Americas) Main subject: Sputum / Microbial Sensitivity Tests / HIV Infections / Mycobacterium tuberculosis / Antitubercular Agents Type of study: Diagnostic study Limits: Humans Country/Region as subject: South America / English Caribbean / Guyana Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2013 Type: Article Affiliation country: Guyana Institution/Affiliation country: University of Guyana/GY