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[The etiology of sporadic acute pneumonia in children]
L A Vishniakova1, T S Sologub, S L Akimova
1State Research Center of Pulmonology, St. Petersburg, Russia.
Insights
Pneumococcal bacteria cause most childhood pneumonia cases, identified through antibody testing. Other bacteria like Haemophilus influenzae were also detected in some acute pneumonia patients.
Area of Science:
- Microbiology
- Immunology
- Pediatrics
Context:
- Acute pneumonia (AP) is a significant respiratory illness in children.
- Accurate etiological diagnosis is crucial for effective treatment.
Purpose:
- To determine the microbiological causes of acute pneumonia in children.
- To identify the prevalence of specific bacterial pathogens in pediatric AP.
Summary:
- A study of 134 children with acute pneumonia revealed that Streptococcus pneumoniae was the primary cause in 97.1% of cases, detected via tracheobronchial washings and antibody testing.
- Other pathogens identified included Haemophilus influenzae, enterobacteria, Moraxella catarrhalis, and Staphylococcus aureus, implicated in severe lung infections and pyopneumothorax.
Impact:
- This research highlights the dominant role of pneumococcal bacteria in pediatric pneumonia, informing diagnostic and therapeutic strategies.
- Understanding the spectrum of bacterial etiologies aids in developing targeted interventions and vaccination programs for childhood respiratory infections.
Abstract:
The complex microbiological study of tracheobronchial washings and the detection of antibodies to surface components of whole bacterial cells in the indirect fluorescence test permitted the determination of the pneumococcal etiology of acute pneumonia (AP) in 134 children aged 1 month to 13 years (97.1%). In the course of AP 13 patients (9.4%) were found to have acute infectious processes caused by Haemophilus influenzae (5 cases), different enterobacteria (4 cases), Moraxella catarrhalis (2 cases), as well acute infectious destruction of the lungs and pyopneumothorax (1 case), whose etiological factors were Staphylococcus aureus and nontyping H. influenzae strains.