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  • Title: Febrile convulsion during the acute phase of Kawasaki disease.
    Author: Yoshikawa H, Abe T.
    Journal: Pediatr Int; 2004 Feb; 46(1):31-2. PubMed ID: 15043661.
    Abstract:
    BACKGROUND: Although seizures occur in association with meningitis or encephalitis in Kawasaki disease, febrile convulsions in Kawasaki disease are considered to be extremely rare. The aim of the present study is to elucidate the incidence of febrile convulsion in the acute phase of Kawasaki disease, in Niigata City General Hospital, Niigata, Japan. METHODS: The study included 177 patients with Kawasaki disease. Patients ranged in age from 2 months to 10 years (mean age 26.89 +/- 22.44 months). The study included 105 males and 72 females. The clinical records of Kawasaki disease patients were examined retrospectively. RESULTS: Febrile convulsions were not recognized in these 177 patients throughout the course of the disease, despite the presence of a high grade fever and their young age. However, eight of the 177 patients had experienced simple febrile convulsions during other febrile illness except for those with Kawasaki disease. In the acute phase of Kawasaki disease, only two patients showed generalized convulsion associated with prolonged consciousness disturbance and pleocytosis in the cerebrospinal fluid. CONCLUSION: The incidence of febrile convulsions in the acute phase of Kawasaki disease might be extremely low, confirming the results of previous reports. Kawasaki disease is characterized by systemic vasculitis and is sometimes complicated by intracranial vasculitis. The incidence of electroencephalographic abnormalities and pleocytosis in the cerebrospinal fluid is higher in patients with Kawasaki disease. However, the reason why febrile convulsions did not occur in the acute phase of Kawasaki disease remains unknown, despite the presence of central nervous system involvement.
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