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Impact of cotrimoxazole prophylaxis on the health of breast-fed, HIV-exposed, HIV-negative infants in a resource-limited setting.
AIDS. 2011 Sep 10; 25(14):1797-9.WHO guidelines recommend cotrimoxazole prophylaxis (CTXP) in all HIV-exposed negative infants who are still breastfeeding. This is based on the evidence of efficacy in HIV-infected infants, but there is no evidence of benefit in HIV-negative, breast-fed infants. We assessed the impact of CTXP on diarrhoeal and respiratory morbidity in breast-fed, HIV-exposed negative infants in a community programme. CTXP for more than 60 days showed no consistent evidence of benefit for incidence of lower respiratory tract infection [incidence rate ratio (IRR) 0.71, 95% confidence interval (CI) 0.39-1.26; P = 0.241] but an increased incidence of diarrhoea (IRR = 1.38, 95% CI 0.98-1.94; P = 0.065). The guidelines should be reconsidered by conducting a randomized control trial.
Flash-heat inactivation of HIV-1 in human milk: A potential method to reduce postnatal transmission in developing countries.
Journal of Acquired Immune Deficiency Syndromes. 2007 Jul; 45(3):318-323.Up to 40% of all mother-to-child transmission of HIV occurs by means of breast-feeding; yet, in developing countries, infant formula may not be a safe option. The World Health Organization recommends heat-treated breast milk as an infant-feeding alternative. We investigated the ability of a simple method, flash-heat, to inactivate HIV in breast milk from HIV-positive mothers. Ninety-eight breast milk samples, collected from 84 HIV-positive mothers in a periurban settlement in South Africa, were aliquoted to unheated control and flash-heating. Reverse transcriptase (RT) assays (lower detection limit of 400 HIV copies/mL) were performed to differentiate active versus inactivated cell-free HIV in unheated and flash-heated samples. We found detectable HIV in breast milk samples from 31% (26 of 84) of mothers. After adjusting for covariates, multivariate logistic regression showed a statistically significant negative association between detectable virus in breast milk and maternal CD4+ T-lymphocyte count (P = 0.045) and volume of breast milk expressed (P = 0.01) and a positive association with use of multivitamins (P = 0.03). All flash-heated samples showed undetectable levels of cell-free HIV-1 as detected by the RT assay (P less than 0.00001). Flash-heat can inactivate HIV in naturally infected breast milk from HIV-positive women. Field studies are urgently needed to determine the feasibility of in-home flash-heating breast milk to improve infant health while reducing postnatal transmission of HIV in developing countries. (author's)
Antiretroviral drugs for treating pregnant women and preventing HIV infection in infants: guidelines on care, treatment and support for women living with HIV / AIDS and their children in resource-constrained settings.
Geneva, Switzerland, WHO, 2004. v, 49 p.Mother-to-child transmission (MTCT) is the most important source of HIV infection in children. In 2001, the United Nations General Assembly Special Session on HIV/AIDS committed countries to reduce the proportion of infants infected with HIV by 20% by 2005 and by 50% by 2010. Achieving this urgently requires an increase in access to integrated and comprehensive programmes to prevent HIV infection in infants and young children. Such programmes consist of interventions focusing on primary prevention of HIV infection among women and their partners; prevention of unintended pregnancies among HIV-infected women; prevention of HIV transmission from HIV-infected women to their children; and the provision of treatment, care and support for women living with HIV/AIDS, their children and families. WHO convened a Technical Consultation on Antiretroviral Drugs and the Prevention of Mother-to-child Transmission of HIV Infection in Resource-limited Settings in Geneva, Switzerland on 5–6 February 2004. Scientists, policymakers, programme managers and community representatives reviewed the most recent experience with programmes and evidence on the safety and efficacy of various antiretroviral (ARV) regimens for preventing HIV infection in infants. This information was reviewed in the context of the rapid expansion of ARV treatment in resource-constrained settings using standardized and simplified drug regimens. Prior to the Technical Consultation, a draft set of recommendations had been issued for public comment. (excerpt)