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Seizures and status epilepticus in childhood cerebral malaria
Insights
Prolonged seizures in childhood cerebral malaria are common and linked to poor outcomes. Early identification and management of seizures are crucial for improving recovery and reducing long-term neurological deficits.
Area of Science:
- Neurology
- Pediatrics
- Infectious Diseases
Background:
- Childhood cerebral malaria frequently involves prolonged seizures.
- Seizures in this context are associated with adverse neurological outcomes.
- Understanding the role of seizures in malaria pathogenesis is critical.
Purpose of the Study:
- To investigate the characteristics and impact of seizures in pediatric cerebral malaria.
- To determine the association between seizure types, status epilepticus, and neurological sequelae.
- To evaluate the relationship between seizures and mortality in childhood cerebral malaria.
Main Methods:
- Prospective study of 65 pediatric patients with cerebral malaria.
- Electroencephalography (EEG) and continuous cerebral function monitoring (CFAM) were utilized.
- Neurological assessments, CT scans, and follow-up evaluations were performed.
Main Results:
- 62% of patients experienced seizures post-admission, with 50% having status epilepticus.
- Partial motor seizures were most frequent, followed by generalized tonic-clonic seizures.
- Status epilepticus was significantly associated with the development of neurological sequelae.
Conclusions:
- Prolonged and multiple seizures are significant contributors to coma, morbidity, and mortality in childhood cerebral malaria.
- Seizure activity, particularly status epilepticus, plays a key role in the pathogenesis of neurological deficits.
- Effective seizure management is vital for improving outcomes in pediatric cerebral malaria.
Abstract:
Prolonged, multiple seizures complicate a high proportion of cases of childhood cerebral malaria, and several studies have shown an association between these and neurological sequelae. We prospectively studied 65 patients (38 female) admitted to Kilifi Hospital in 1994. Electroencephalographic recordings (EEGs) were made at 12-hourly intervals, with continuous recordings made on a cerebral function analysing monitor (CFAM). Survivors were seen one month after discharge. Cerebral computerized tomography was performed on children with neurological sequelae. Sixty-two percent of patients had seizures following admission, of whom half had an episode of status epilepticus. Fifty-two percent of seizures were partial motor, 34% generalized tonic-clonic, and 14% partial with secondary generalization. In 22%, coma appeared to be due to a prolonged postictal state. Ten children had subtle motor seizures. Posterior parieto-temporal discharges were the most common EEG finding. Seven children died, eight developed neurological sequelae, and 50 (77%) recovered fully. Status epilepticus was associated with the development of neurological sequelae. Prolonged, multiple seizures may play an important part in the pathogenesis of coma in childhood cerebral malaria, and are likely to contribute to both the morbidity and mortality of this disease.