INTRODUCTION Para-infectious seizures are afebrile convulsions that are associated with banal infectious processes and have a good overall prognosis.
AIM To determine the natural history of para-infectious seizures in children.
PATIENTS AND METHODS We conducted a retrospective study of children who were admitted to our hospital between January 2000 and January 2005 with seizures associated to an infectious process that did not satisfy the criteria of febrile seizures. Data collected included age, sex, season of the year, personal and familial history, type of infection, symptoms of the seizures, complementary examinations, treatments that were used and progression.
RESULTS The sample finally included 22 girls and 12 boys with ages ranging from 6 to 38 months (mean: 20.26 ± 8.29 months) and previous psychomotor development was seen to be normal. Three of them had a family history of epilepsy and three others had suffered previous febrile seizures. Twenty-three children developed seizures associated to gastroenteritis and in 11 cases they were linked to upper respiratory infections. The average interval between onset of the infection and seizures was 2.26 days, and the average number of seizures was 3.38. Eight patients had recurring seizures (23.5%), usually in the form of para-infectious or febrile seizures, and secondary seizures were observed in only one case.
CONCLUSIONS It is important to be familiar with this condition because many of these patients are initially diagnosed with an encephalitic syndrome. These seizures are usually associated with gastroenteritis, with cluster seizures and with normal later psychomotor development. The risk of developing secondary seizures developmentally is low.
KeywordsAfebrile seizuresBenign seizures in childhoodEncephalitisGastroenteritisRespiratory infectionRotavirusCategoriesNeuropediatría
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