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Human immunodeficiency virus infection in children
1Department of Clinical Pharmacy Services, Cook County Hospital, Chicago, IL, USA.
Summary
This review covers pediatric human immunodeficiency virus (HIV) infection, including transmission, diagnosis, and clinical features. It discusses zidovudine as a primary treatment and other therapies for children, alongside prophylaxis against opportunistic infections.
Area of Science:
- Pediatric Infectious Diseases
- Virology
- Clinical Pharmacology
Background:
- Human Immunodeficiency Virus (HIV) infection in children presents unique challenges in transmission, diagnosis, and management.
- Perinatal transmission accounts for the vast majority of pediatric HIV cases, highlighting the importance of early intervention.
- Clinical manifestations in children are diverse, ranging from failure to thrive to opportunistic infections and neurological complications.
Purpose of the Study:
- To review the transmission routes, diagnostic methods, and clinical spectrum of HIV infection in children up to 13 years of age.
- To discuss current and emerging drug therapies, including maintenance and prophylactic treatments for pediatric HIV.
- To provide an overview of the role of zidovudine and alternative treatment strategies in managing pediatric HIV.
Main Methods:
- Review of existing literature on pediatric HIV transmission, diagnosis, and clinical management.
- Analysis of diagnostic assays such as HIV culturing, PCR, ELISA, Western blot, and p24 antigen testing.
- Evaluation of therapeutic agents including zidovudine, didanosine, and investigational drugs, as well as prophylactic measures.
Main Results:
- HIV is primarily transmitted from mother to infant, with diagnosis recommended starting at one month of age.
- Common clinical features include Pneumocystis pneumonia, failure to thrive, and encephalopathy, with a median AIDS diagnosis age of 12-24 months.
- Zidovudine is the preferred initial therapy, with didanosine as a second-line option; prophylaxis against opportunistic infections is crucial.
Conclusions:
- Early diagnosis and treatment initiation are critical for improving outcomes in pediatric HIV infection.
- Zidovudine remains a cornerstone of therapy, but combination therapies and new agents are under investigation.
- Prophylaxis against opportunistic infections and adherence to immunization schedules are essential components of comprehensive care for HIV-infected children.