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Effects of in utero antiretroviral exposure on longitudinal growth of HIV-exposed uninfected infants in Botswana.


ABSTRACT: BACKGROUND:The impact of in utero exposure to highly active antiretroviral therapy (HAART) on longitudinal growth of HIV-uninfected infants is unknown. METHODS:The Mashi and Mma Bana PMTCT intervention trials enrolled HIV-infected pregnant women at four sites in Botswana. Breast-fed (BF), HIV-uninfected infants born at 37 weeks or greater were included in this analysis. Weight-for-age (WAZ), length-for-age (LAZ), and weight-for-length (WLZ) z-scores were calculated using World Health Organization Child Growth Standards. Mean z-scores were compared between in utero antiretroviral exposure groups using Student t test, response profiles analysis, and general linear mixed effects modeling. RESULTS:Growth of 619 HAART-exposed and 440 zidovudine-exposed, HIV-uninfected infants was evaluated. Mean birth weights were 3.01 kg for HAART and 3.15 kg for zidovudine-exposed infants (P < 0.001) with lower mean birth WAZ, length-for-age (LAZ), and weight-for-length (WLZ) among HAART-exposed infants (all P < 0.001). HAART-exposed infants had greater improvement in WAZ and weight-for-length (WLZ) from birth through 2 months (P = 0.03, P < 0.001, respectively). The WAZ did not differ between groups from 3 through 6 months (P = 0.26). Length-for-age (LAZ) remained lower in HAART-exposed infants but the incidence of wasting or stunting did not differ between exposure groups. CONCLUSIONS:Lower weights in HAART-exposed uninfected infants at birth were rapidly corrected during the first 6 months of life.

SUBMITTER: Powis KM 

PROVIDER: S-EPMC3023002 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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Effects of in utero antiretroviral exposure on longitudinal growth of HIV-exposed uninfected infants in Botswana.

Powis Kathleen M KM   Smeaton Laura L   Ogwu Anthony A   Lockman Shahin S   Dryden-Peterson Scott S   van Widenfelt Erik E   Leidner Jean J   Makhema Joseph J   Essex Max M   Shapiro Roger L RL  

Journal of acquired immune deficiency syndromes (1999) 20110201 2


<h4>Background</h4>The impact of in utero exposure to highly active antiretroviral therapy (HAART) on longitudinal growth of HIV-uninfected infants is unknown.<h4>Methods</h4>The Mashi and Mma Bana PMTCT intervention trials enrolled HIV-infected pregnant women at four sites in Botswana. Breast-fed (BF), HIV-uninfected infants born at 37 weeks or greater were included in this analysis. Weight-for-age (WAZ), length-for-age (LAZ), and weight-for-length (WLZ) z-scores were calculated using World Hea  ...[more]

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