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author:("Onu, adams")
1.  Tuberculosis After One Year of Combination Antiretroviral Therapy in Nigeria: A Retrospective Cohort Study 
Abstract
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/mm3 and HIV-1 RNA level ≤400 copies/ml (group 1), CD4 T cell count ≥350 cells/mm3 and HIV-1 RNA level >400 copies/ml (group 2), CD4 T cell count <350 cells/mm3 and HIV-1 RNA level ≤400 copies/ml (group 3), and CD4 T cell count <350 cells/mm3 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.
doi:10.1089/aid.2012.0231
PMCID: PMC3653369  PMID: 23316724
2.  Predictors of impaired renal function among HIV infected patients commencing highly active antiretroviral therapy in Jos, Nigeria 
Background:
Kidney disease is a common complication of human immunodeficiency virus (HIV) infection even in the era of antiretroviral therapy, with kidney function being abnormal in up to 30% of HIV-infected patients. We determined the predictors of impaired renal function in HIV-infected adults initiating highly active antiretroviral therapy (HAART) in Nigeria.
Materials and Methods:
This was a retrospective study among HIV-1 infected patients attending the antiretroviral clinic at the Jos University Teaching Hospital (JUTH), between November 2005 and November 2007. Data were analysed for age, gender, weight, WHO clinical stage, CD4 count, HIV-1 RNA viral load, HBsAg and anti-HCV antibody status. Estimated glomerular filtration rate (eGFR) was calculated using the Cockcroft-Gault equation. Statistical analysis was done using Epi Info 3.5.1.
Results:
Data for 491 (294 females and 197 males) eligible patients were abstracted. The mean age of this population was 38.8±8.87 years. One hundred and seventeen patients (23.8%; 95% CI, 20.2-27.9%) had a reduced eGFR (defined as <60 mL/min), with more females than males (28.6% vs. 16.8%; P=0.02) having reduced eGFR. Age and female sex were found to have significant associations with reduced eGFR. Adjusted odds ratios were 1.07 (95% CI, 1.04, 1.10) and 1.96 (95% CI, 1.23, 3.12) for age and female sex, respectively.
Conclusions:
Older age and female sex are independently associated with a higher likelihood of having lower eGFRs at initiation of HAART among our study population. We recommend assessment of renal function of HIV-infected patients prior to initiation of HAART to guide the choice and dosing of antiretroviral drugs.
doi:10.4103/0300-1652.86133
PMCID: PMC3213750  PMID: 22083208
Highly active antiretroviral therapy; human immunodeficiency virus; predictors; renal function; serum creatinine

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