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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Morbidity after antiretroviral therapy initiation in HIV-1-infected children in West Africa: temporal trends and relation to CD4 count.
Pediatric Infectious Disease Journal 2013 April
BACKGROUND: Although 90% of HIV-1-infected children live in sub-Saharan Africa, morbidity data after highly active antiretroviral therapy (HAART) initiation in these settings are limited. The objective of this study was to document the incidence of AIDS-defining events and non-AIDS-defining diseases in African children receiving HAART.
METHODS: Incidences rates (IRs) of AIDS-defining events and 10 other common diseases were estimated overall and by current CD4-strata (<15%, 15 - <25% and ≥25%) from 2 prospective cohorts of African children.
RESULTS: One hundred eighty-eight children contributing to 355 children-years were included. The documented morbidity IRs per 100 children-years were upper respiratory infections, 100 (87-114); infectious diarrhea, 37 (31-44); World Health Organization (WHO) stage 2 events, 22.9 (18.2-28.1); and WHO stage 3/4 events, 12.3 (9.1-16.7). IRs of WHO stage 2 events, severe bacterial infections, infectious diarrhea and pneumonia decreased linearly across all CD4%-strata, whereas WHO stage 3/4 events and viral infections occurred mostly when CD4% <15%. Overall, IRs decreased during the first 2 years on HAART except for upper respiratory infection, mycosis and oral candidiasis.
CONCLUSION: This incidence of AIDS- and non-AIDS-defining diseases declined substantially after HAART in 2 African cohorts, although estimates remained high compared with high-resource settings. Without renewed efforts to increase antiretroviral scale-up, children in developing countries will continue to have a high burden of infections.
METHODS: Incidences rates (IRs) of AIDS-defining events and 10 other common diseases were estimated overall and by current CD4-strata (<15%, 15 - <25% and ≥25%) from 2 prospective cohorts of African children.
RESULTS: One hundred eighty-eight children contributing to 355 children-years were included. The documented morbidity IRs per 100 children-years were upper respiratory infections, 100 (87-114); infectious diarrhea, 37 (31-44); World Health Organization (WHO) stage 2 events, 22.9 (18.2-28.1); and WHO stage 3/4 events, 12.3 (9.1-16.7). IRs of WHO stage 2 events, severe bacterial infections, infectious diarrhea and pneumonia decreased linearly across all CD4%-strata, whereas WHO stage 3/4 events and viral infections occurred mostly when CD4% <15%. Overall, IRs decreased during the first 2 years on HAART except for upper respiratory infection, mycosis and oral candidiasis.
CONCLUSION: This incidence of AIDS- and non-AIDS-defining diseases declined substantially after HAART in 2 African cohorts, although estimates remained high compared with high-resource settings. Without renewed efforts to increase antiretroviral scale-up, children in developing countries will continue to have a high burden of infections.
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