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Pediatric HIV infection. An update
1University of Florida College of Medicine, Gainesville.
Insights
Pediatric human immunodeficiency virus (HIV) infection presents diagnostic challenges due to maternal antibody transfer. Early diagnosis and management, including antiretroviral therapy, are crucial for improving outcomes in children with HIV.
Area of Science:
- Pediatrics
- Infectious Diseases
- Immunology
Background:
- Human immunodeficiency virus (HIV) infection is a significant cause of immunodeficiency in children globally.
- The epidemic in children mirrors that in women, as most infected women are of reproductive age, leading to a substantial risk of vertical transmission.
- Vertical transmission of HIV from infected mothers to infants ranges from 13% to 39%.
Purpose of the Study:
- To review the challenges and current understanding of pediatric HIV infection.
- To highlight diagnostic complexities in infants and management strategies.
- To discuss the impact of antiretroviral therapies on children with HIV.
Main Methods:
- Review of existing literature on pediatric HIV infection.
- Analysis of diagnostic criteria for infants under 15 months.
- Summary of current management protocols and therapeutic interventions.
Main Results:
- Diagnosis in infants is complicated by passive antibody transfer, necessitating specific tests like p24 antigen assay or viral culture.
- HIV infection in children is a chronic, multisystem disease with risks of bacterial infections, neurological issues, and lymphoid interstitial pneumonitis.
- Antiretroviral drugs have significantly improved quality of life and survival rates.
Conclusions:
- Effective management of pediatric HIV requires close medical supervision, nutritional support, and prompt treatment of opportunistic infections.
- Prophylaxis for Pneumocystis carinii pneumonia and intravenous gamma globulin can benefit certain children.
- Ongoing research into newer antiviral agents holds promise for further advancements in pediatric HIV care.
Abstract:
Human immunodeficiency virus infection is a leading cause of immunodeficiency in children. The epidemic in children parallels that in women since most infected women are in the child-bearing age groups. The risk of vertical transmission of HIV from an infected mother to her infant ranges from 13% to 39%. Diagnosis of infection in the infant is complicated by the passive transfer of antibody across the placenta, making the use of standard serologic tests to confirm infection difficult. In children less than 15 months of age, a positive p24 core antigen test, a positive viral culture or AIDS defining criteria with immune abnormalities are required for diagnosis. HIV infection in children is chronic and multisystem characterized by immunologic and clinical deterioration with a higher incidence of serious bacterial infections, neurologic disease, and lymphoid interstitial pneumonitis. The cornerstones of management include close medical follow-up, good nutrition, and prompt diagnosis and treatment of infections. Certain children will benefit from therapeutic modalities such as Pneumocystis carinii pneumonia prophylaxis and/or intravenous gamma globulin. The antiretroviral drugs have improved the quality of life and increased survival. Several newer antiviral agents are presently in clinical trials.