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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/29556
Title: Measures of site resourcing predict virologic suppression, immunologic response and HIV disease progression following highly active antiretroviral therapy (HAART) in the TREAT Asia HIV Observational Database (TAHOD)
Authors: R. Oyomopito
M. P. Lee
P. Phanuphak
P. L. Lim
R. Ditangco
J. Zhou
T. Sirisanthana
Y. M.A. Chen
S. Pujari
N. Kumarasamy
S. Sungkanuparph
C. K.C. Lee
A. Kamarulzaman
S. Oka
F. J. Zhang
C. V. Mean
T. Merati
G. Tau
J. Smith
P. C.K. Li
Kirby Institute
University of New South Wales (UNSW) Australia
Queen Elizabeth Hospital Hong Kong
The HIV Netherlands Australia Thailand Research Collaboration
Tan Tock Seng Hospital
Gokila
Research Institute for Health Sciences
National Yang-Ming University Taiwan
Institute of Infectious Diseases
YR Gaitonde Centre for AIDS Research and Education
Mahidol University
Hospital Sungai Buloh
University of Malaya
National Center for Global Health and Medicine
Beijing Ditan Hospital
National Center for HIV/AIDS
Universitas Udayana
Port Moresby General Hospital
Foundation for AIDS Research
Keywords: Medicine
Issue Date: 1-Sep-2010
Citation: HIV Medicine. Vol.11, No.8 (2010), 519-529
Abstract: Objectives: Surrogate markers of HIV disease progression are HIV RNA in plasma viral load (VL) and CD4 cell count (immune function). Despite improved international access to antiretrovirals, surrogate marker diagnostics are not routinely available in resource-limited settings. Therefore, the objective was to assess effects of economic and diagnostic resourcing on patient treatment outcomes. Methods: Analyses were based on 2333 patients initiating highly active antiretroviral therapy (HAART) from 2000 onwards. Sites were categorized by World Bank country income criteria (high/low) and annual frequency of VL (≥3, 1-2 or <1) or CD4 (≥3 or <3) testing. Endpoints were time to AIDS/death and change in CD4 cell count and VL suppression (<400 HIV-1 RNA copies/mL) at 12 months. Demographics, Centers for Disease Control and Prevention (CDC) classification, baseline VL/CD4 cell counts, hepatitis B/C coinfections and HAART regimen were covariates. Time to AIDS/death was analysed by proportional hazards models. CD4 and VL endpoints were analysed using linear and logistic regression, respectively. Results:Increased disease progression was associated with site-reported VL testing less than once per year [hazard ratio (HR)=1.4; P=0.032], severely symptomatic HIV infection (HR=1.4; P=0.003) and hepatitis C virus coinfection (HR=1.8; P=0.011). A total of 1120 patients (48.2%) had change in CD4 cell count data. Smaller increases were associated with older age (P<0.001) and 'Other' HIV source exposures, including injecting drug use and blood products (P=0.043). A total of 785 patients (33.7%) contributed to the VL suppression analyses. Patients from sites with VL testing less than once per year [odds ratio (OR)=0.30; P<0.001] and reporting 'Other' HIV exposures experienced reduced suppression (OR=0.28; P<0.001). Conclusion: Low measures of site resourcing were associated with less favourable patient outcomes, including a 35% increase in disease progression in patients from sites with VL testing less than once per year. © 2010 British HIV Association.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77955252840&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/29556
ISSN: 14681293
14642662
Appears in Collections:Scopus 2006-2010

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