Neurodevelopmental and behavioural outcomes of HIV-exposed uninfected and HIV-unexposed children at 2–3 years of age in Cape Town, South Africa.

HIV prevention; HIV infection risk factors; HIV infection transmission; BIRTH weight; CHILD development; CHILD behavior; COGNITIVE testing; GROWTH disorders; HIV-positive persons; LANGUAGE acquisition; LONGITUDINAL method; MATERNAL health services; MOTHERS; MOTOR ability; QUESTIONNAIRES; WORLD Health Organization; VERTICAL transmission (Communicable diseases); CHILDREN

Successful vertical HIV transmission prevention programmes (VTP) have resulted in an expanding population of HIV-exposed uninfected (HEU) infants whose growth, health and neurodevelopmental outcomes could have consequences for future resource allocation. We compared neurodevelopmental and behavioural outcomes in a prospective cohort of 2–3 year old HEU and HIV-unexposed uninfected (HU) children. Women living with and without HIV and their infants were enrolled within three days of birth from a low-risk midwife obstetric unit in Cape Town, South Africa during 2012 and 2013, under WHO Option A VTP guidelines. HIV-uninfected children aged 30–42 months were assessed using the Bayley scales of Infant Development-Third edition (BSID) and Strengths and Difficulties questionnaire (SDQ). Thirty-two HEU and 27 HU children (mean birth weight 3048g vs 3096g) were assessed. HEU children performed as well as HU children on BSID cognitive, language and motor domains. Mean scores fell within the low average range. Mothers of HEU children reported fewer conduct problems but stunting was associated with increased total difficulties on the SDQ. HEU and HU children's performance on the BSID was similar. In this low-risk cohort, HIV exposure did not confer additional risk. Stunting was associated with increased behavioural problems irrespective of HIV exposure. [ABSTRACT FROM AUTHOR]

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