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  • Title: Microbiological investigation for tuberculosis among HIV-infected children in Soweto, South Africa.
    Author: Fairlie L, Muchiri E, Beylis CN, Meyers T, Moultrie H.
    Journal: Int J Tuberc Lung Dis; 2014 Jun; 18(6):676-81. PubMed ID: 24903938.
    Abstract:
    SETTING: A paediatric human immunodeficiency virus (HIV) clinic in an academic hospital in Soweto, South Africa. OBJECTIVES: 1) To describe and compare the clinical, immunological and virological characteristics of HIV-infected children co-treated for tuberculosis (TB), and 2) to compare those investigated microbiologically with those who were not, with a description of the results of the microbiological TB investigation. DESIGN: Retrospective analysis of TB-HIV-infected children aged <15 years treated for TB between 1 October 2007 and 15 March 2009. RESULTS: Anti-tuberculosis treatment was initiated in 616/3358 (18%) children during the study period. Microbiological TB investigation results were available for 399/616 (65%), among whom culture-confirmed TB was diagnosed in 49 (12%). Drug susceptibility testing was performed in 29/49 (59%) children: 5/29 (17%) were isoniazid-resistant, and 3 had multidrug-resistant TB. Children aged >8 years and those between 3 and 8 years were more likely to have culture-confirmed TB than those aged <3 years (aOR 9.4, 95%CI 2.26-39.08 vs. aOR 6.7, 95%CI 1.60-27.69), as were those with CD4 count <200 cells/mm(3) compared to those with >500 cells/mm(3) (aOR 3.95, 95%CI 1.23-12.72). CONCLUSION: Our study in HIV-infected children showed a high TB case rate, a low rate of definite TB and a high rate of drug-resistant TB based on World Health Organization case definitions. Increased uptake of available TB tests and availability of new diagnostic tests remains a priority in high TB-HIV burden settings.
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