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KMID : 0391520160240040200
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Journal of the Korean Child Neurology Society
2016 Volume.24 No. 4 p.200 ~ p.204
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Clinical Characteristics of Prolonged Seizure in Children
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Song Ki-Seop
Jeong Do-Young
Cha Byoung-Ho
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Abstract
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Purpose: Prolonged seizure, defined as seizures lasting more than 5 minutes, should be treated to prevent continuous seizures that cause brain injuries. In this paper, we will evaluate the clinical characteristics of prolonged seizures in children.
Methods: Between the January and the December of 2012, 192 patients were admitted to Wonju Severance Christian Hospital due to epileptic seizures lasting less than 30 minutes. They were divided into two groups according to the duration of their seizures: less than 5 minutes (Group A), and between 5 and 30 minutes (Group B). We compared the clinical characteristics such as sex, onset age, family history, seizure types, cause, imaging studies, electroencephalography, laboratory findings, and prognosis between the two groups.
Results: Group A consisted of 110 patients; group B consisted of 82. With the exception of serum potassium level, no statistically significant differences in clinical characteristics between the two groups were observed. Serum potassium level of the laboratory test was 4.46±0.49 in group A, and 4.30±0.45 in group B (P=0.0338). The rate of further seizure episodes was 27.1% in group A and 36.4% in group B. Among them, 13.1% of group A and 18.2% of group B were later diagnosed with epilepsy (P=0.3819).
Conclusion: There were no statistically significant differences in the clinical characteristics between the two groups except for the serum potassium level; however, patients whose seizures lasted longer than 5 minutes tended to experience further seizure episodes and were more likely to be diagnosed with epilepsy.
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KEYWORD
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Prolonged seizure, Prognostic factors, Children
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