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Related Experiment Videos

HIV.

Claire Thorne1, Marie-Louise Newell

  • 1Centre for Paediatric Epidemiology and Biostatistics, Institute of Child Health, University College London, 30 Guilford Street, London WC1N 1EH, UK.

Seminars in Fetal & Neonatal Medicine
|February 27, 2007
PubMed
Summary

Preventing mother-to-child transmission of human immuno-deficiency virus (HIV) is achievable through antiretroviral prophylaxis and other interventions. While effective in developed nations, access remains limited in developing countries, despite proven benefits outweighing potential risks.

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Area of Science:

  • Public Health
  • Infectious Diseases
  • Pediatrics

Background:

  • Mother-to-child transmission (MTCT) of human immuno-deficiency virus (HIV) is a significant global health concern.
  • Effective interventions exist, including antiretroviral prophylaxis, caesarean sections, and avoidance of breastfeeding, to prevent MTCT.
  • Disparities in access to these interventions exist, with resource-rich settings achieving low pediatric HIV rates while developing countries face higher MTCT rates.

Purpose of the Study:

  • To review the effectiveness of interventions in preventing MTCT of HIV.
  • To highlight the disparity in access to these interventions between developed and developing countries.
  • To assess the risk-benefit profile of antiretroviral prophylaxis for pregnant, HIV-infected women and their infants.

Main Methods:

  • Review of existing literature on MTCT prevention strategies.
  • Analysis of MTCT rates in resource-rich versus developing countries.
  • Evaluation of the safety and efficacy data for antiretroviral prophylaxis in preventing pediatric HIV.

Main Results:

  • MTCT is nearly entirely preventable with a combination of interventions.
  • Resource-rich settings have achieved historically low pediatric HIV infections due to widespread intervention implementation.
  • Developing countries have significantly higher MTCT rates due to limited access to preventative care, despite the proven benefits of antiretroviral prophylaxis.

Conclusions:

  • Antiretroviral prophylaxis during pregnancy, labor, and infancy is highly effective in preventing MTCT of HIV.
  • The benefits of antiretroviral prophylaxis in reducing MTCT risk substantially outweigh the potential risks of drug toxicity and long-term safety concerns.
  • Global efforts are needed to improve access to these life-saving interventions for HIV-infected pregnant women in developing countries.

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