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Dopaminergic therapy in acute encephalitis lethargica.
J McAuley1, M Shahmanesh, M Swash
1Department of Neurology, The Royal London Hospital, Whitechapel, London E1 1BB, United Kingdom.
European Journal of Neurology
|March 4, 1999
Summary
Encephalitis lethargica patients may benefit from dopaminergic medications during the acute phase. This treatment approach showed effectiveness in a patient with acute encephalitis lethargica, suggesting a direct impact on brain cells.
Area of Science:
- Neurology
- Neuroscience
- Infectious Diseases
Background:
- Encephalitis lethargica is a rare neurological disorder characterized by inflammation of the brain.
- The syndrome can lead to acute symptoms and delayed post-encephalitic complications, including parkinsonism.
Observation:
- A patient presented with acute illness and clinical features consistent with encephalitis lethargica.
- The patient showed repeated positive responses to apomorphine infusion and later to oral levodopa therapy.
Findings:
- The patient's response to dopaminergic agents suggests a direct neurotropic effect of encephalitis lethargica on nigral dopaminergic cells.
- This indicates that the encephalitis acutely affects the dopamine system in the brain.
Implications:
- Dopaminergic medications, such as levodopa, may be a viable treatment option during the acute stage of encephalitis lethargica.
- These medications could also be beneficial for managing the delayed post-encephalitic parkinsonian phase of the syndrome.