Antiretroviral treatment for children
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2006
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South African Medical Journal
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Health and Medical Publishing Group
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University of Cape Town
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Abstract
Objective: To describe the response of children during their first year on highly active antiretroviral therapy (HAART). Design: Retrospective, descriptive. Setting. Tertiary, referral hospital. Subjects: All HIV-infected children commenced on HAART from 1 August 2002 until 31 December 2004. Outcome measures: Children were retrospectively restaged using the WHO 4-stage clinical classification and CDC immunological staging system. After commencing HAART, patients were assessed at monthly intervals for the first 6 months and thereafter mostly 3-monthly. Baseline and 6- monthly CD4 counts and viral loads were performed. Results. Of 409 children commenced on HAART, 50.6% were < 2 years old, 62.7% had severe clinical disease and 76.6% had severe immune suppression. After 1 year, 65.8% were alive and continued HAART at the hospital, 11.2% had been transferred to another antiretroviral site, 15.4% had died, 4.6% were lost to follow-up and treatment had been discontinued in 2.9%. Kaplan-Meier survival estimate for 407 children at 1 year was 84% (95% confidence interval (CI) 80 - 87%). On multivariate analysis, survival was adversely affected in children with WHO stage 4 v. stage 2 and 3 disease (adjusted hazard ratio (HR): 5.26 (95% CI 2.25 - 12.32), p = 0.000), age < 12 months (adjusted HR: 2.46 (95% CI 1.48 - 4.09), p = 0.001) and CD4 absolute count (per 100 cell increase) (adjusted HR: 0.93 (95% CI 0.88 - 0.98), p = 0.013). In a separate multivariate model including only children with an initial viral load (N = 367), viral load r 1 million copies/ml (adjusted HR: 1.84 (95% CI 1.03 - 3.29)) and taking a protease inhibitor (PI)-based regimen (adjusted HR: 2.25 (95% CI 1.10 - 4.61)) were additionally independently associated with poorer survival; however, young age was not a significant predictor of mortality, after adjusting for viral load (p = 0.119). After 1 year of HAART 184/264 (69.7%) of children had a viral load < 400 copies/ml. Comparative analysis showed significant improvements in growth, immunological status and virological control. Conclusion: HAART can improve the health of many HIVinfected children with advanced disease, including those aged less than 2 years in resource-limited settings.
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Reference:
Eley, B., Davies, M. A., Apolles, P., Cowburn, C., Buys, H., Zampoli, M., ... & Nuttall, J. (2006). Antiretroviral treatment for children. South African medical journal, 96(9), 988-993.