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The pattern and pathways of infectious morbidity in South African HIV exposed uninfected infants

University of British Columbia

Background: Universal infant morbidity risk factors (poor birth outcomes, suboptimal breastfeeding, poverty) occur more frequently in HIV exposed uninfected (HEU) than HIV unexposed uninfected (HUU) infants. HEU infants’ unique exposures, including in utero exposure to HIV products and maternal immune compromise, may potentiate HEU infants’ infectious morbidity risk. The primary objective was to determine whether HEU infants experience greater infectious morbidity than HUU infants through HIV exposure-specific pathways beyond universal infant morbidity risk factors. Methods: This prospective cohort study identified low risk HIV-infected and HIV-uninfected mothers and their term newborns from a single community midwife unit in Kraaifontein, South Africa. The primary outcome, at least one infectious cause hospitalization or death before six months of age, was classified according to modified WHO case-definitions and compared between HEU and HUU infants. Complete outcome determination on all infants was possible through linkage with the electronic provincial hospital administration system and mortality registry. Adjusted odds ratios (aOR) were calculated by multivariable logistic regression including stratified analyses conditioned on breastfeeding. Results: One hundred and seventy six (94 HEU, 82 HUU) mother-infant pairs were included. HIV-infected mothers were older (median 27.8 vs. 24.7 years, p

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2015-12-01

Attribution-NonCommercial-NoDerivs 2.5 Canada

http://hdl.handle.net/2429/55603

Population and Public Health

University of British Columbia

UBCV

http://creativecommons.org/licenses/by-nc-nd/2.5/ca/