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Risk Factors for Acute Symptomatic Seizure in Bacterial Meningitis in Children
Ana Rosa Melo Corrêa-Lima1, Demócrito de Barros Miranda-Filho2, Marcelo Moraes Valença3
1Department of Neurology, University of Pernambuco, Recife, Brazil anarosamclima@hotmail.com.
Insights
In children with bacterial meningitis, seizures are predicted by younger age, pneumococcal cause, altered mental status, and low cerebrospinal fluid white blood cell counts. In-hospital seizures significantly increase mortality risk.
Area of Science:
- Pediatrics
- Infectious Diseases
- Neurology
Background:
- Bacterial meningitis is a serious infection in children.
- In-hospital seizures are a known complication.
- Predictors of seizures in this population require further investigation.
Purpose of the Study:
- To identify clinical and laboratory predictors of in-hospital seizures in children with acute bacterial meningitis.
- To assess the association between admission parameters and seizure occurrence.
- To evaluate the impact of seizures on mortality.
Main Methods:
- Retrospective case-control study.
- Involved 270 children (1 month to 14 years) with confirmed bacterial meningitis.
- Stepwise multiple logistic regression analysis was used to identify independent predictors.
Main Results:
- Younger age (<2 years), pneumococcal etiology, altered mental status, and cerebrospinal fluid leukocyte count <1000 cells were independent predictors of in-hospital seizures.
- The incidence of in-hospital seizures was 24.8% (67/270).
- Mortality was significantly higher in children with seizures (37.3%) compared to those without (4.43%).
Conclusions:
- Clinical and laboratory findings at admission can predict in-hospital seizures in pediatric bacterial meningitis.
- Pneumococcal meningitis and altered mental status are significant risk factors.
- Prompt recognition and management of these risk factors may be crucial for improving outcomes and reducing mortality.
Abstract:
The aim of this study was to investigate the association between clinical and laboratory parameters at admission and the occurrence of in-hospital symptomatic seizures in children with acute bacterial meningitis in Brazil. A retrospective case-control study in 270 children with confirmed bacterial meningitis, aged from 1 month to 14 years, was conducted between January 2004 and December 2008. Associations with the occurrence of in-hospital epileptic seizures were adjusted using stepwise multiple logistic regression analysis. Sixty-seven children suffered at least one in-hospital epileptic seizure. After multivariate analysis, the independent predictors considered for in-hospital epileptic seizures were as follows: age less than 2 years (odds ratio = 0.97; 95% confidence interval 0.97-0.98), pneumococcal etiology (odds ratio = 4.55; 95% confidence interval 1.88-11.0); altered mental status (odds ratio = 3.47; 95% confidence interval 1.66-7.26) and cerebrospinal fluid leukocyte count below 1000 cells (odds ratio = 2.14; 95% confidence interval 0.99-4.60). Mortality was higher in patients with intrahospital epileptic seizures compared to those without (25/67 [37.3%] vs 9/203 [4.43%], P < .001].
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Bacterial Meningitis I: Introduction
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