Prevention of vertical transmission of HIV: analysis of cost effectiveness of options available in South Africa.

Important note: Information in this article was accurate in 1999. The state of the art may have changed since the publication date.

Prevention of vertical transmission of HIV: analysis of cost effectiveness of options available in South Africa.

BMJ. 1999 Jun 19;318(7199):1650-6. Unique Identifier : AIDSLINE MED/99301831
Soderlund N; Zwi K; Kinghorn A; Gray G; Centre for Health Policy, University of the Witwatersrand PO Box; 1038, Johannesburg 2000, South Africa. soderlun@icon.co.za

Abstract: OBJECTIVE: To assess the cost effectiveness of vertical transmission prevention strategies by using a mathematical simulation model. DESIGN: A Markov chain model was used to simulate the cost effectiveness of four formula feeding strategies, three antiretroviral interventions, and combined formula feeding and antiretroviral interventions on a cohort of 20 000 pregnancies. All children born to HIV positive mothers were followed up until age of likely death given current life expectancy and a cost per life year gained calculated for each strategy. SETTING: Model of working class, urban South African population. RESULTS: Low cost antiretroviral regimens were almost as effective as high cost ones and more cost effective when formula feeding interventions were added. With or without formula feeding, low cost antiretroviral interventions were likely to save lives and money. Interventions that allowed breast feeding early on, to be replaced by formula feeding at 4 or 7 months, seemed likely to save fewer lives and offered poorer value for money. CONCLUSIONS: Antiretroviral interventions are probably cost effective across a wide range of settings, with or without formula feeding interventions. The appropriateness of formula feeding was highly cost effective only in settings with high seroprevalence and reasonable levels of child survival and dangerous where infant mortality was high or the protective effect of breast feeding substantial. Pilot projects are now needed to ensure the feasibility of implementation.

Keywords: JOURNAL ARTICLE Acquired Immunodeficiency Syndrome/ECONOMICS/PREVENTION & CONTROL/ *TRANSMISSION Breast Feeding Cohort Studies Cost-Benefit Analysis Disease Transmission, Vertical/ECONOMICS/*PREVENTION & CONTROL Female Food, Formulated Human Infant Nutrition Infant, Newborn Life Expectancy Markov Chains Pregnancy *Pregnancy Complications, Infectious/ECONOMICS South Africa
991030
A99A0943

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