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Acute symptomatic seizures in CNS infection.

Kim MA, Park KM, Kim SE, Oh MK

Department of Neurology, Inje University, Busan Paik Hospital, Busan, Korea.

To determine the frequency and aetiology of acute symptomatic seizures in central nervous system (CNS) infections and to assess the clinical factors predicting the occurrence of the seizures, we retrospectively reviewed the medical records of patients diagnosed with CNS infections from 2000 to 2005. One hundred and forty-seven patients were included in the study. The clinical variables between those with and without acute symptomatic seizures were compared. Of the 147 patients, 23% (34/147) had acute symptomatic seizures. A significant relation between clinical variables and the occurrence of acute symptomatic seizures was found: encephalitis as the aetiology of the CNS infection, Glasgow Coma Scale (GCS) < or =12, and neurological deficits. By multiple logistic regression analysis, age of onset >42 years, encephalitis, and GCS < or =12 were found to be independently significant clinical variables for predicting the occurrence of acute symptomatic seizures. Encephalitis and GCS < or =12 are significant clinical variables for predicting the occurrence of acute symptomatic seizures in CNS infection, suggesting that patients with a greater extent of parenchymal damage are more vulnerable to acute symptomatic seizures.

Published 3 January 2008 in Eur J Neurol, 15(1): 38-41.
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