Publication: Malaria and helminthic co-infection among HIV-positive pregnant women: Prevalence and effects of antiretroviral therapy
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2012-12
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Acta Tropica
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Abstract
The impact of malaria on anemia and the interplay with helminths underline the importance of addressing the interactions between HIV/AIDS, malaria and intestinal helminth infections in pregnancy. The aim of this study was to determine the prevalence of malaria–helminth dual infections among HIV positive pregnant mothers after 12 months of ART. A cross sectional study was conducted on intestinal helminths and malaria dual infections among HIV-positive pregnant women attending antenatal health centers in Rwanda. Stool and malaria blood slide examinations were performed on 328 women residing in rural (n = 166) and peri-urban locations (n = 162). BMI, CD4 cell count, hemoglobin levels, type of ART and viral load of participants were assessed. Within the study group, 38% of individuals harbored helminths, 21% had malaria and 10% were infected with both. The most prevalent helminth species were Ascaris lumbricoides (20.7%), followed by Trichuris trichiura (9.2%), and Ancylostoma duodenale and Necator americanus (1.2%). Helminth infections were characterized by low hemoglobin and CD4 counts. Subjects treated with a d4T, 3TC, NVP regimen had a reduced risk of T. trichiura infection (OR, 0.27; 95% CIs, 0.10–0.76; p < 0.05) and malaria–helminth dual infection (OR, 0.29; 95% CI, 0.11–0.75; p < 0.05) compared to those receiving AZT, 3TC, NVP. This study shows a high prevalence of malaria and helminth infection among HIV-positive pregnant women in Rwanda. The differential effect of ARTs on the risk of helminth infection is of interest and should be examined prospectively in larger patient groups.