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Published on: September 6, 2019
Pediatric aspects of HIV1-infection--an overview
B Buchholz1, S Hien, S Weichert
1Department of Paediatrics, Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany. bernd.buchholz@umm.de
Insights
Preventing mother-to-child HIV transmission involves prenatal testing and prophylactic interventions. Highly active antiretroviral therapy (HAART) has transformed pediatric HIV into a manageable chronic condition, though lifelong treatment presents challenges.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Mother-to-child transmission (MTCT) of Human Immunodeficiency Virus type 1 (HIV-1) is the primary cause of pediatric HIV-1 infection.
- In developed countries, MTCT rates have decreased from 40% to 1-2% due to combined antiretroviral therapy (ART) in pregnant women, neonatal prophylaxis, and avoidance of breastfeeding.
- Current challenges include lack of prenatal HIV testing and insufficient knowledge regarding prophylactic interventions for HIV-1-positive pregnant women and their newborns.
Purpose of the Study:
- To review the current strategies and challenges in preventing and managing pediatric HIV-1 infection.
- To highlight the impact of highly active antiretroviral therapy (HAART) on pediatric HIV-1 outcomes.
- To discuss the difficulties in diagnosing HIV-1 in infants and the complexities of long-term treatment in children.
Main Methods:
- Literature review of HIV-1 prevention and treatment strategies in pediatric populations.
- Analysis of the evolution of pediatric HIV-1 management since the advent of HAART.
- Discussion of diagnostic challenges and therapeutic considerations for HIV-1-infected children.
Main Results:
- Effective MTCT prevention strategies have significantly reduced pediatric HIV-1 incidence.
- HAART has transitioned pediatric HIV-1 from a fatal to a chronic illness with improved quality of life.
- Diagnosis in infants is complicated by maternal antibodies, and pediatric HIV-1 treatment faces hurdles due to drug formulation, pharmacokinetic data, and adherence issues.
Conclusions:
- Continued emphasis on prenatal HIV testing and knowledge dissemination on prophylactic measures is crucial.
- Lifelong HAART is necessary for pediatric HIV-1 management, posing challenges in adherence and long-term adverse effect monitoring.
- Further research and development are needed for optimized pediatric HIV-1 treatment regimens and formulations.
Abstract:
Mother-to-child transmission of HIV1 is the main cause for pediatric HIV1-infection. Since 1995 in developed countries the rate of vertical HIV1 transmission was reduced from 40% to 1-2% by the combination of antiretroviral therapy of pregnant women, antiretroviral prophylaxis in the newborn and refraining from breast-feeding. Nowadays the main causes for HIV1-infection in children are 1) not offered (voluntary) HIV1-testing in early pregnancy (in spite of recommendation for prenatal care) and 2) missing knowledge about prophylactic interventions in HIV1-positive pregnant women and their HIV1-exposed newborn. Diagnosis and/or exclusion of HIV1-infection in HIV1-exposed and HIV1-positive infants is difficult, because maternal HIV1-antibodies pass the placenta and can persist in the child up to two years after birth. Since in 1996 the era of "highly active antiretroviral therapy (HAART)", the use of an antiretroviral three-drug-regimen, began, HIV1-infection in children changed from a fatal illness to a chronic disease with decreased mortality and improved qualitiy of life. The lack of drug approvement, absence of adequate drug formulation and of pharmacokinetic data for children make the treatment of HIV1-infection in children much more difficult than in adults. Treatment of children depends on clinical category, CD4 cell count, viral load and age of diagnosis. With the current state of knowledge (failure of treatment interruption studies in adults and pending ones in children) once HAART is started it must be carried on life-long. This implies great challenges in adherence to avoid development of resistance and in confrontation with long-term adverse effects of HIV1-therapy.
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