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Most fever-related seizures, also called febrile seizures, are brief, but up to 10 percent can last more than 30 minutes. These prolonged seizures can put children at risk for short- and long-term complications, including developing epilepsy, according to a journal news release.
The new study included nearly 200 children, aged 1 month to 6 years, who had one seizure or a group of seizures that lasted more than 30 minutes. The researchers examined the connection between time to treatment and length of the seizure.
About 90 percent of the children were given at least one antiepileptic drug, and the first dose was given by EMS crews or emergency-room staff an average of 30 minutes after the seizure began, the study found.
The average length of seizure was 81 minutes among children who received an antiepileptic drug before they arrived at the emergency room and 95 minutes for those who did not. On average, seizures ended about 38 minutes after a child received the first dose of an antiepileptic drug.
"The time from the start of the seizure to treatment is crucial to improving patient outcomes," study lead author Dr. Syndi Seinfeld, an assistant professor in the division of child neurology at Children's Hospital of Richmond, at Virginia Commonwealth University, said in the news release.
"Our study is the first to examine the treatment of [febrile seizures] by EMS, which currently does not have a standard therapy protocol for prolonged seizures," Seinfeld said.
"Our findings clearly show that early [antiepileptic drug] initiation results in shorter seizure duration," she said. "A standard [prolonged seizure] treatment protocol prior to arrival at the hospital, along with training for EMS staff, is needed across the United States to help improve outcomes for children with prolonged seizures."
-- Robert Preidt
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SOURCE: Epilepsia, news release, Feb. 6, 2014