Document Detail

Tuberculosis after one year of combination antiretroviral therapy in Nigeria: a retrospective cohort study.
MedLine Citation:
PMID:  23316724     Owner:  NLM     Status:  MEDLINE    
Our objective was to determine tuberculosis (TB) incidence and evaluate TB risk in adults after one or more years of use of combination antiretroviral therapy (cART) through a retrospective cohort study in Jos, Nigeria. We studied a cohort of HIV-infected adults treated with ART for at least 1 year. Based on immunologic and virologic responses to ART, patients were categorized into four groups: CD4 T cell count ≥350 cells/mm(3) and HIV-1 RNA level ≤400 copies/ml (group 1), CD4 T cell count ≥350 cells/mm(3) and HIV-1 RNA level >400 copies/ml (group 2), CD4 T cell count <350 cells/mm(3) and HIV-1 RNA level ≤400 copies/ml (group 3), and CD4 T cell count <350 cells/mm(3) and HIV-1 RNA level >400 copies/ml (group 4). Time to incident TB for the four groups was analyzed using the Kaplan-Meier method. Cox regression models were used to evaluate predictors of incident TB. In this cohort of 5,093 HIV-infected adults, of which 68.4% were female, with a mean age 35.1 years (standard deviation 9.1 years), we observed 98 cases of incident TB during 4 years and 3 months of follow-up. The overall TB incidence rate was 8.7 cases/1,000 patient-years of follow-up. Adjusted hazards for incident TB were 2.11 (95% CI 0.97-4.61), 2.05 (95% CI 1.10-3.79), and 3.65 (95% CI 1.15-5.06) in group 2, 3, and 4 patients, respectively, compared to group 1. Tuberculosis incidence in patients on ART is driven by poor immunologic and/or virologic response. Optimization of HIV treatment should be prioritized to reduce the burden of TB in this high-risk population.
Maxwell O Akanbi; Chad J Achenbach; Joe Feinglass; Babafemi Taiwo; Adamu Onu; Mai T Pho; Oche Agbaji; Phyllis Kanki; Robert L Murphy
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2013-02-25
Journal Detail:
Title:  AIDS research and human retroviruses     Volume:  29     ISSN:  1931-8405     ISO Abbreviation:  AIDS Res. Hum. Retroviruses     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-05-13     Completed Date:  2013-08-30     Revised Date:  2014-06-03    
Medline Journal Info:
Nlm Unique ID:  8709376     Medline TA:  AIDS Res Hum Retroviruses     Country:  United States    
Other Details:
Languages:  eng     Pagination:  931-7     Citation Subset:  IM; X    
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MeSH Terms
Anti-HIV Agents / therapeutic use*
CD4 Lymphocyte Count
HIV Infections / complications,  drug therapy*
Kaplan-Meier Estimate
Middle Aged
Nigeria / epidemiology
Proportional Hazards Models
Retrospective Studies
Risk Factors
Time Factors
Tuberculosis, Pulmonary / epidemiology*,  etiology
Viral Load / drug effects
Grant Support
Reg. No./Substance:
0/Anti-HIV Agents

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