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Related Experiment Videos

Electroencephalography in cerebral malaria

S Thumasupapong1, T Tin, K Sukontason

  • 1Pra Pok Klao Hospital, Chantaburi, Thailand.

The Southeast Asian Journal of Tropical Medicine and Public Health
|March 1, 1995
PubMed
Summary

Electroencephalography (EEG) in cerebral malaria patients showed diffuse cortical dysfunction with theta and delta waves. A single EEG is insufficient for prognosis, but serial EEGs may offer more insight.

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Area of Science:

  • Neurology
  • Infectious Diseases

Background:

  • Cerebral malaria is a severe complication of malaria.
  • Neurological manifestations in cerebral malaria are common but complex.
  • Electroencephalography (EEG) is a tool to assess brain activity.

Purpose of the Study:

  • To evaluate the utility of initial electroencephalography (EEG) in predicting the clinical course and outcome of cerebral malaria.
  • To identify specific EEG patterns associated with cerebral malaria.
  • To explore the role of EEG in differentiating cerebral malaria from other neurological conditions.

Main Methods:

  • Electroencephalography (EEG) was conducted on 13 male patients with cerebral malaria within 24 hours of admission.
  • A 10-channel, 10-20 system EEG machine was used with 6 montages for 20-minute recordings.

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  • Clinical data, including seizures and outcomes, were correlated with EEG findings.

    • Main Results:

    • EEG patterns primarily showed theta and delta waves, indicating diffused cortical dysfunction.
    • No epileptic patterns were observed, even in patients with a history of seizures.
    • Initial EEGs did not predict prognosis, including mortality in two patients.
    • One case with hemiplegia showed focal delta and theta waves correlating with basal ganglia hemorrhage on CT scan.

    Conclusions:

    • A single EEG recording upon admission has limited value in predicting the clinical course or outcome of cerebral malaria.
    • Serial EEG recordings may provide more prognostic information.
    • EEG can be valuable in excluding other cerebral pathologies like space-occupying lesions or epilepsy in malaria patients presenting with neurological symptoms.