Impact of Blood Bacterial Load on Inflammation in Pneumococcal Meningitis
Author Information
Author(s): ∅stergaard Christian, O'Reilly Terence, Brandt Christian, Frimodt-Møller Niels, Lundgren Jens D
Primary Institution: Statens Serum Institut, Copenhagen, Denmark
Hypothesis
How does the presence of bacteraemia affect the CSF pleocytosis in pneumococcal meningitis?
Conclusion
A decrease in peripheral white blood cells due to increased bacteraemia in pneumococcal meningitis leads to reduced CSF pleocytosis.
Supporting Evidence
- Blood bacterial concentrations were significantly different among the three experimental groups.
- Bacteraemic rabbits had lower CSF WBC counts compared to controls and immunized rabbits.
- A significant correlation was found between CSF and blood WBC in patients with pneumococcal meningitis.
Takeaway
When bacteria are in the blood during meningitis, it can make the body's response in the brain weaker, which is not good.
Methodology
Rabbits were infected with Streptococcus pneumoniae and divided into three groups: bacteraemic, immunized, and control, with blood and CSF samples taken for analysis.
Limitations
The study was conducted in rabbits, which may not fully represent human responses.
Participant Demographics
153 patients with pneumococcal meningitis, including 103 with positive blood cultures.
Statistical Information
P-Value
0.008
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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