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Poverty and InequalitySexual and Reproductive HealthFamily, Maternal & Child HealthMethodology

Association of HIV and malaria with mother-to-child transmission, birth outcomes, and child mortality

TitleAssociation of HIV and malaria with mother-to-child transmission, birth outcomes, and child mortality
Publication TypeJournal Article
Year of Publication2008
AuthorsBrahmbhatt, H, Sullivan, D, Kigozi, G, Askin, F, Wabwire-Mangenm, F, Serwadda, D, Sewankambo, N, Wawer, M, Gray, R
JournalJournal of acquired immune deficiency syndromes (1999)
Volume47
Pagination472-476
Date PublishedApr 1
ISBN Number1525-4135; 1525-4135
Accession Number18332766
KeywordsAdult, Antigens, Protozoan/analysis, Cohort Studies, Female, HIV Infections/complications/mortality/transmission, Humans, Immunohistochemistry, Infant, Infant Mortality, Infant, Newborn, Infectious Disease Transmission, Vertical/statistics & numerical data, Malaria, Falciparum/complications/diagnosis, Multivariate Analysis, Placenta/chemistry/parasitology/virology, Pregnancy, Pregnancy Complications, Infectious/parasitology/virology, Pregnancy Outcome, Protozoan Proteins/analysis, Uganda
Abstract

OBJECTIVE: To assess the impact of HIV and malaria coinfection on mother-to-child HIV transmission (MTCT) and adverse birth outcomes. METHODS: One hundred nine HIV-positive mother-infant pairs with a malaria diagnosis were identified in a community cohort and followed up postpartum. Maternal malaria was diagnosed by a rapid immunochromatographic test (ICT) on sera and histopathologic examination of placenta. Infant HIV was diagnosed within 6 weeks of birth using polymerase chain reaction (PCR) to capture in-utero and intrapartum HIV transmission. Log binomial models were used to assess the relative risk of MTCT, low birth weight, and preterm birth associated with malaria. RESULTS: Approximately 17.4% of infants were HIV positive at or around birth, and the prevalence of serologic and placental malaria were 31% and 32%, respectively. HIV-positive mothers with serological ICT malaria were significantly more likely to have low-birth-weight infants, and low-birth-weight infants had significantly higher risk of MTCT compared with infants of normal birth weight. Although placental and serologic ICT malaria were significantly associated with MTCT, after adjusting for maternal HIV viral load, the risk of MTCT was significantly increased only for mothers coinfected with placental malaria (relative risk [RR] = 7.9, P = 0.025). CONCLUSIONS: Placental malaria increases the risk of MTCT after adjustment for viral load. Programs should focus on enhanced malaria prevention during pregnancy to decrease the risk of adverse birth outcomes and MTCT.