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[Intrauterine and postnatal pneumonia in acquired immunodeficiency of infants]
Insights
This study examined 15 children with immune deficiencies, finding severe lung inflammation and bronchopneumonia as the cause of death. Immune system dysfunction significantly impacted pneumonia
Area of Science:
- Pediatric Pathology
- Immunology
- Infectious Diseases
Context:
- Autopsy analysis of 15 children (2 months-3 years) from high-risk groups for ecologic pathology, acquired immunodeficiency, and viral infections.
- Clinical and morphological assessment of immune status, including T-cell counts (T4, T8), serum IgA, IgE, immune complexes, and HIV antibodies.
Purpose:
- To investigate the morphological and clinical features of severe immune deficiency and associated lung pathology in children.
- To identify the spectrum of infectious agents contributing to pneumonia in immunocompromised pediatric patients.
Summary:
- Autopsy findings revealed severe immune system deficiency and alternative-proliferative lung inflammation (pneumonitis, alveolitis) in children.
- Bronchopneumonia, caused by diverse infectious agents (viruses, pneumocysts, bacteria, fungi), was the primary cause of death.
- Molecular hybridization confirmed viral infections, with HIV antibodies detected in 4 cases.
Impact:
- Demonstrates a strong correlation between profound immune dysfunctions and the specific morphology of pneumonia in pediatric cases.
- Highlights the critical role of immune status in the pathogenesis and presentation of severe lung infections in children.
- Provides insights into the complex interplay of ecological factors, viral infections, and immune responses in childhood mortality.
Abstract:
The autopsy material of 15 children aged from 2 months to 3 years from the zonal group of increased risk of the ecologic pathology, acquired immunodeficiency and viral infections was assessed morphologically and clinically. Decreased number of T-cells (T4, T8), an increase of the level of serum IgA, IgE and immune complexes, HIV-antibodies (4 cases) were found in the patients. The method of the molecular hybridization by means of virus-specific 32P-DNA probes was used. Bronchopneumonia was the cause of death. Severe deficiency of the organs and cells of the immune system, alternative-proliferative lung inflammation, mainly in the form of pneumonitis and alveolitis, were found. The latter differed either individually or as a result of the predominant infectious agent (RNA- or DNA-viruses, pneumocysts, bacterial flora, fungi). Considerable immunity dysfunctions enhanced the intensity of the specific features in pneumonia morphology.