Effect of pregnancy on immunological and virological outcomes of women on ART: a prospective cohort study in rural Uganda, 2004-2009.


Mayanja, BN; Shafer, LA; Van der Paal, L; Kyakuwa, N; Ndembi, N; Hughes, P; Maher, D; Grosskurth, H; (2012) Effect of pregnancy on immunological and virological outcomes of women on ART: a prospective cohort study in rural Uganda, 2004-2009. Tropical medicine & international health. pp. 343-52. ISSN 1360-2276 DOI: https://doi.org/10.1111/j.1365-3156.2011.02921.x

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Abstract

: Objectives? Before antiretroviral therapy (ART) introduction, pregnancy was associated with a sustained drop in CD4 cell count in HIV-infected women. We examined the effects of pregnancy on immunological and virological ART outcomes. Methods? Between January 2004 and March 2009, we studied HIV-infected women receiving ART in a prospective open cohort study in rural Uganda. We used random effects regression models to compare the CD4 counts of women who became pregnant and those who did not, and among the pregnant women before and after pregnancy. CD4 count and proportions with detectable viral load (?400?copies/ml) were compared between the two groups using the Mann-Whitney rank sum test and logistic regression respectively. Results? Of 88 women aged 20-40?years receiving ART, 23 became pregnant. At ART initiation, there were no significant differences between those who became pregnant and those who did not in clinical, immunological and virological parameters. Among women who became pregnant, CD4 cell count increased before pregnancy (average 75.9?cells/mm(3) per year), declined during pregnancy (average 106.0) but rose again in the first year after delivery (average 88.6). Among women who did not become pregnant, the average CD4 cell count rise per year for the first 3?years was 88.5. There was no significant difference in the proportions of women with detectable viral load at last clinic visit among those who became pregnant (8.7%) and those who did not (16.1%), P?=?0.499. Conclusion? Pregnancy had no lasting effect on the immunological and virological outcomes of HIV-infected women on ART.<br/>

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre: Centre for Global Non-Communicable Diseases (NCDs)
Tropical Epidemiology Group
PubMed ID: 22212561
Web of Science ID: 300686600011
URI: http://researchonline.lshtm.ac.uk/id/eprint/20584

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