Adherence to antiretroviral therapy during and after pregnancy in low-, middle and high income countries: a systematic review and meta-analysis
SOURCE: AIDS
OUTPUT TYPE: Journal Article
PUBLICATION YEAR: 2012
TITLE AUTHOR(S): J.B.Nachega, O.A.Uthman, J.Anderson, K.Peltzer, S.Wampold, M.F.Cotton, E.J.Mills, Y.S.Ho, J.S.A.Stringer, J.A.McIntyre, L.M.Mofenson
KEYWORDS: ANTIRETROVIRAL THERAPY (ART), HIV/AIDS, PREGNANCY
DEPARTMENT: Public Health, Societies and Belonging (HSC)
Print: HSRC Library: shelf number 7388
HANDLE: 20.500.11910/3291
URI: http://hdl.handle.net/20.500.11910/3291
OUTPUT TYPE: Journal Article
PUBLICATION YEAR: 2012
TITLE AUTHOR(S): J.B.Nachega, O.A.Uthman, J.Anderson, K.Peltzer, S.Wampold, M.F.Cotton, E.J.Mills, Y.S.Ho, J.S.A.Stringer, J.A.McIntyre, L.M.Mofenson
KEYWORDS: ANTIRETROVIRAL THERAPY (ART), HIV/AIDS, PREGNANCY
DEPARTMENT: Public Health, Societies and Belonging (HSC)
Print: HSRC Library: shelf number 7388
HANDLE: 20.500.11910/3291
URI: http://hdl.handle.net/20.500.11910/3291
If you would like to obtain a copy of this Research Output, please contact Hanlie Baudin at researchoutputs@hsrc.ac.za.
Abstract
To estimate ART adherence rates during pregnancy and postpartum in high-, middle- and low-income countries. MEDLINE, EMBASE, SCI Web of Science, NLM Gateway and Google scholar databases were searched. We included all studies reporting adherence rates as a primary or secondary outcome among HIV-infected pregnant women. Two independent reviewers extracted data on adherence and study characteristics. A random-effects model was used to pool adherence rates; sensitivity, heterogeneity, and publication bias were assessed. Of 72 eligible articles, 51studies involving 20,153 HIV-infected pregnant women were included. Most studies were from United States (n=14, 27%) followed by Kenya (n=6, 12%), South Africa (n=5, 10%), and Zambia (n=5, 10%). The threshold defining good adherence to ART varied across studies (>80%, >90%, >95%, 100%). The pooled proportion of women with adequate adherence levels was higher during the antepartum (75.7%, 95% CI 71.5-79.7%) than during postpartum (53.0%, 95% 32.8% to 72.7%) (p=0.005). Selected reported barriers for non-adherence included physical, economic and emotional stresses, depression (especially post-delivery), alcohol or drug use, and ART dosing frequency or pill burden. Our findings indicate that only 73.5% of pregnant women achieved optimal ART adherence. Reaching adequate ART adherence levels was a challenge in pregnancy, but especially during the postpartum period. Further research to investigate specific barriers and interventions to address them are urgently needed globally.-
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