Postnatal steroids and febrile seizure susceptibility in preterm children

Yi Fang Tu, Lan Wan Wang, Shan Tair Wang, Tsu Fu Yeh, Chao Ching Huang

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Abstract

Objective: To investigate risk factors, seizure characteristics, and outcomes of febrile seizure (FS) in children born very preterm. Methods: This study used a prospective registry data set of 844 preterm infants (birth weight <1500 g and gestational age <32 weeks) admitted to NICUs from 2001 to 2009 in southern Taiwan. We investigated the prevalence, risks, seizure patterns, and outcomes of FS in children aged 5 years. Results: Among 575 children (follow-up rate, 85.8%) followed up for 5 years, 35 (6.1%) developed FS. The FS and non-FS groups were comparable regarding their mean gestational age, birth weight, 5-minute Apgar score <6, and prenatal and postnatal complications. No difference was observed in the use of prenatal corticosteroids between the 2 groups. The FS group had a significantly higher rate of postnatal corticosteroid treatment than the non-FS group, even after adjusting for confounding factors (odds ratio, 5.4 [95% confidence interval, 1.9-15.8]; P =.006). No differences were observed in IQs or subsequent epilepsy rates between the 2 groups. Although no difference was observed in the age of FS onset or neurodevelopmental outcomes between the 2 groups, children with FS who received postnatal corticosteroid treatment had a significantly lower mean body temperature during the first FS attack compared with those who did not receive postnatal corticosteroid treatment (38.6 ± 0.4°C vs 39.2 ± 0.6°C; P =.034). Conclusions: Children born very preterm have a higher rate of FS, and postnatal corticosteroid treatment was associated with FS susceptibility in these children.

Original languageEnglish
JournalPediatrics
Volume137
Issue number4
DOIs
Publication statusPublished - 2016 Apr

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All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health

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