Clinical Features of Complex Febrile Seizure Caused by Primary Human Herpesvirus 6B Infection

研究成果: Article

抄録

Background: It is well known that febrile seizures are commonly occur in children with exanthem subitum. In this study, we compared the clinical features and backgrounds of patients with complex febrile seizures with and without primary human herpesvirus 6B infection. Methods: Sixty-two patients were enrolled after experiencing their first febrile seizure. Primary human herpesvirus 6B infection was confirmed when human herpesvirus 6B DNA was detected and human herpesvirus 6B antibody was negative in serum obtained during the acute phase of infection. Patient age, gender, and features of seizures were evaluated between patients with and without human herpesvirus 6B infection. Results: Thirty patients with complex febrile seizure were diagnosed with primary human herpesvirus 6B infection. Those with primary human herpesvirus 6B infection (median, 13 months; range, seven to 39 months) were significantly younger than those without primary human herpesvirus 6B infection (median, 19 months; range, 10 to 59 months) (P = 0.001), and the proportion of males was significantly higher in patients without primary human herpesvirus 6B infection (male/female, 25/7) than in those with the infection (male/female, 14/16) (P = 0.017). An interval between fever onset and seizures of more than 24 hours was significantly more common in patients with primary human herpesvirus 6B infection (15 of the 30 patients) than in those without primary HHV-6B infection (two of 32 patients) (P < 0.001). Conclusions: A younger age at onset, a different gender ratio compared with febrile seizure due to other causes, and the length of interval between fever and seizures were features of complex febrile seizure associated human herpesvirus 6B infection. These findings may suggest a mechanism of complex febrile seizure onset different from that due to other causes.

本文言語English
ページ(範囲)52-55
ページ数4
ジャーナルPediatric Neurology
109
DOI
出版ステータスPublished - 08-2020

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Neurology
  • Developmental Neuroscience
  • Clinical Neurology

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