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    Factors influencing treatment failure in HIV positive adult patients on first line antiretroviral therapy

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    Chawana_et_al_Factors_influencing_treatment_failure.pdf (502.1Kb)
    Date
    2014
    Author
    Chawana, T.D.
    Reid, A.
    Bwakura, T.
    Gavi, S.
    Nhachi, C.F.B.
    Type
    Article
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    Abstract
    Background: Risk factors for treatment failure in HIV positive adults have not been studied extensively in Zimbabwe. Aim: To investigate socio-demographic, psychosocial and antiretroviral drug related factors as possible risk factors for treatment failure. Objective: To compare the accuracy and reliability of CD4 count results in diagnosing treatment failure versus viral load results. Design: Adescriptive cross-sectional survey. Setting: Harare Central Hospital adult opportunistic infections clinic. Participants: One hundred and eighteen (118) HIV positive participants on Is' line antiretroviral therapy (any 1 of stavudine, tenofovir or zidovuume combined with lamivudine and nevirapine or efavirenz) for at least 1 year. Participants were conveniently sampled. Main Outcome Measures: First line treatment failure as defined according to World Health Organisation (WHO) 2010 guidelines. Results: Factors associated with higher odds of treatment failure were severe depression [OR 3.7; p-value 0.002; 95% Cl 1.6-8.5] and discontinuing ART [OR 4.4; p-value 0.02; 95% Cl 1.3-14.7], Factors associated with lower odds of treatment failure were age =42 [OR 0.3; p-value 0.007; 95% Cl 0.1-0.7], taking ART on time [OR 0.2; p-value 0.02; 95% Cl 0.05-0.8], time on ART >4 years [OR 0.6; p-value 0.02; 95% Cl 0.3-0.9] and female sex [OR 0.4; p-value 0.02; 95% Cl 0.2-0.8], There was statistically significant difference between CD4 count and viral load results in diagnosing treatment failure [OR 8.7; p-value 0.0005; 95% Cl 3.6-21.2], Conclusion: Severe depression and discontinuing ART predisposed to treatment failure. CD4 counts were not as reliable as viral load measurements in diagnosing treatment failure.
    URI
    http://hdl.handle.net/10646/2889
    Additional Citation Information
    Chawana, T. D., Reid, A., Bwakura, T., Gavi, S. & Nhachi, C. F. B. Factors influencing treatment failure in HIV positive adult patients on first line antiretroviral therapy . Central African Journal of Medicine, 60 (5/8), 29-35.
    Publisher
    University of Zimbabwe, College of Health Sciences
    Subject
    first line antiretroviral therapy
    HIV treatment
    Viral load measurement
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    • Department of Clinical Pharmacology and Toxicology Staff Publications [10]

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