Long-Term Survival of HIV-Infected Children Receiving Antiretroviral Therapy in Thailand: A 5-Year Observational Cohort Study.


Collins, IJ; Jourdain, G; Hansudewechakul, R; Kanjanavanit, S; Hongsiriwon, S; Ngampiyasakul, C; Sriminiphant, S; Technakunakorn, P; Ngo-Giang-Huong, N; Duong, T; Le Coeur, S; Jaffar, S; Lallemant, M; (2010) Long-Term Survival of HIV-Infected Children Receiving Antiretroviral Therapy in Thailand: A 5-Year Observational Cohort Study. Clinical infectious diseases, 51 (12). pp. 1449-1457. ISSN 1058-4838 DOI: https://doi.org/10.1086/657401

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Abstract

Background.? There are scarce data on the long-term survival of human immunodeficiency virus (HIV)-infected children receiving antiretroviral therapy (ART) in lower-middle income countries beyond 2 years of follow-up. Methods.? Previously untreated children who initiated ART on meeting immunological and/or clinical criteria were followed in a prospective cohort in Thailand. The probability of survival up to 5 years from initiation was estimated using Kaplan-Meier methods, and factors associated with mortality were assessed using Cox regression analyses. Results.? Five hundred seventy-eight children received ART; of these, 111 (19.2%) were followed since birth. At start of ART (baseline), the median age was 6.7 years, 128 children (22%) were aged <2 years, and the median CD4 cell percentage was 7%. Median duration of follow-up was 53 months; 42 children (7%) died, and 38 (7%) were lost to follow-up. Age <12 months, low CD4 cell percentage, and low weight-for-height z score at ART initiation were independently associated with mortality ([Formula: see text]). The probability of survival among infants aged <12 months at baseline was 84.3% at 1 year and 76.7% at 5 years of ART, compared with 95.7% and 94.8%, respectively, among children aged ?1 year. Low CD4 cell percentage and wasting at baseline had a strong association with mortality among older children but weak or no association among infants. Conclusions.? Children who initiated ART as infants after meeting immunological and/or clinical criteria had a high risk of mortality which persisted beyond the first year of therapy. Among older children, those with severe wasting or low CD4 cell percentage at treatment initiation were at high risk of mortality during the first 6 months of therapy. These findings support the scale-up of early HIV diagnosis and immediate treatment in infants, before advanced disease progression in older children.

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre: Tropical Epidemiology Group
PubMed ID: 21054181
Web of Science ID: 284353100018
URI: http://researchonline.lshtm.ac.uk/id/eprint/2223

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