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Acquired immune deficiency syndrome in children. Current problems and therapeutic considerations
Insights
Pediatric acquired immune deficiency syndrome (AIDS) is increasingly recognized due to revised definitions. Clinical differences in children include more bacterial infections and lymphocytic interstitial pneumonia, with supportive care and emerging therapies being key.
Area of Science:
- Pediatrics
- Infectious Diseases
- Immunology
Background:
- Acquired immune deficiency syndrome (AIDS) in children was under-reported due to restrictive initial case definitions.
- Revised case definitions have improved reporting and understanding of pediatric AIDS.
- Most pediatric AIDS cases stem from perinatal transmission or high-risk groups.
Purpose of the Study:
- To summarize the epidemiology and clinical presentation of AIDS in children.
- To highlight differences in human immunodeficiency virus (HIV) manifestations between children and adults.
- To discuss current and future treatment strategies for pediatric HIV/AIDS.
Main Methods:
- Review of existing literature and case data on pediatric AIDS.
- Comparison of clinical findings in children versus adults with HIV infection.
- Analysis of transmission routes and risk factors in the pediatric population.
Main Results:
- Pediatric AIDS predominantly affects children infected perinatally or through contaminated blood products before 1985.
- Clinical manifestations in children differ from adults, notably with more frequent bacterial infections and lymphocytic interstitial pneumonia.
- Malignancies like Kaposi's sarcoma are less common in children compared to adults.
Conclusions:
- Earlier diagnosis and improved therapies are crucial for managing pediatric AIDS.
- Emerging anti-retroviral therapies offer hope for improved outcomes.
- Prevention strategies remain a critical long-term goal for combating pediatric HIV/AIDS.
Abstract:
Acquired immune deficiency syndrome (AIDS) in children has until recently been under-reported, since the initial Centers for Disease Control definition of AIDS was restrictive. The case definition has now been revised. Most children with AIDS acquired their infection perinatally and have a parent with established AIDS-related complex or AIDS or belong to a high-risk group. Prior to March 1985, children also acquired human immunodeficiency virus from a contaminated blood product transfusion or from factor replacement for hemophilia. In the United States, AIDS in children occurs predominantly in cities with large populations of intravenous drug users. There are a number of differences between the clinical manifestations of human immunodeficiency virus infection in children compared with adults. For example, recurrent bacterial infection is more common in children, perhaps reflecting the abnormal B cell function that occurs relatively early in the disease course. Certain opportunistic infections (e.g., toxoplasmosis, cryptococcal meningitis) are less common in children than adults. Lymphocytic interstitial pneumonia does not occur in adults but is found in 30 to 50 percent of children. On the other hand, Kaposi's sarcoma and other malignancies are less common in children. Treatment has consisted largely of general supportive care in hospital or at home; this is dependent on the availability and utilization of resources and financial support. However, as anti-retroviral therapy becomes available, studies in children have been initiated. It is hoped that in the future it may be possible to prevent the disease; in the meantime, earlier diagnosis and better therapy are important goals.