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Pneumonia in childhood bacterial meningitis-Experience from three continents
Tuula Pelkonen1,2,3, Irmeli Roine4, Manuel Leite Cruzeiro3
1Pediatrics, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
Introduction:
Although concomitant pneumonia is sometimes diagnosed in childhood bacterial meningitis, its role in the illness course and prognosis is not known. We examined these associations using prospectively collected data from Finland, Latin America and Angola.
Methods:
This was a secondary descriptive analysis of prospectively collected data (clinical and laboratory findings at admission, during hospitalisation and outcome) from five clinical bacterial meningitis trials. We included children aged 2 months to 15 years from sites with confirmed bacterial meningitis and potential concomitant pneumonia (diagnosed clinically with or without a chest radiograph).
Results:
Pneumonia was not observed in the 341 children included in Finland. Pneumonia was observed in 8% (51/606) of children in Latin America and in 46% (377/819) in Angola (p < 0.0001). In multivariate analyses, predisposing factors for pneumonia in Latin America were age <1 year, seizures and severe anaemia; the corresponding factors for Angola were preadmission duration of illness >3 days and non-meningococcal meningitis. Concomitant pneumonia increased the severity of the disease and disabling sequelae.
Conclusion:
Bacterial meningitis with pneumonia is a major, previously undescribed entity of severe bacterial meningitis, especially in Angola.
Insights
Concomitant pneumonia significantly worsens outcomes for children with bacterial meningitis, particularly in Angola. This severe presentation, especially in younger children, requires urgent recognition and management strategies.
Area of Science:
- Pediatric infectious diseases
- Clinical epidemiology
- Respiratory medicine
Background:
- The impact of pneumonia co-occurring with childhood bacterial meningitis on disease progression and outcomes remains unclear.
- This study investigates the association between concomitant pneumonia and bacterial meningitis in children across diverse geographical settings.
Purpose of the Study:
- To determine the prevalence and clinical significance of pneumonia in children diagnosed with bacterial meningitis.
- To identify risk factors associated with concomitant pneumonia in pediatric bacterial meningitis.
- To evaluate the influence of pneumonia on the severity and prognosis of bacterial meningitis.
Main Methods:
- Secondary analysis of prospectively collected data from five bacterial meningitis clinical trials.
- Inclusion of children aged 2 months to 15 years with confirmed bacterial meningitis and clinical or radiographic evidence of pneumonia.
- Multivariate analyses to identify predisposing factors and assess the impact on disease severity and sequelae.
Main Results:
- Pneumonia prevalence varied significantly by region: 0% in Finland, 8% in Latin America, and 46% in Angola.
- In Latin America, risk factors included young age (<1 year), seizures, and severe anemia.
- In Angola, risk factors included prolonged illness (>3 days) and non-meningococcal meningitis. Concomitant pneumonia was linked to increased disease severity and disabling sequelae.
Conclusions:
- Bacterial meningitis with concurrent pneumonia represents a significant and previously under-recognized severe clinical entity, particularly prevalent in Angola.
- The findings highlight the need for specific diagnostic and management strategies for this severe form of pediatric bacterial meningitis, especially in high-prevalence regions.
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