Children with newly diagnosed epilepsy at risk for cognitive problems

Children who have normal IQs before they experience a first seizure may also have problems with language, memory, learning and other cognitive skills, according to a study published in the August 12, 2009, online issue of Neurology, the medical journal of the American Academy of Neurology.

"Our study highlights the importance of testing children with epilepsy for possible cognitive problems soon after they are diagnosed with epilepsy in order to avoid these issues affecting them later in life, especially if they have additional risk factors," said study author Philip Fastenau, PhD, Professor of Neurology at Case Western Reserve University School of Medicine and the Neurological Institute of University Hospitals in Cleveland, OH. The research was done in collaboration with Indiana University Purdue University in Indianapolis and Cincinnati Children's Hospital Medical Center.

The study involved 282 school-aged children with an IQ of at least 70 who experienced their first seizure within the previous three months. They were then compared to 147 of their siblings without seizures. Scientists looked at whether the children with seizures also had other risk factors associated with cognitive problems, including multiple seizures, use of epilepsy drugs, or signs of epilepsy on early tests of brain waves.

Of the children who experienced one seizure, 27 percent showed cognitive difficulties at or near the time of the first seizure and 40 percent of children who had additional risk factors showed signs of cognitive problems. A child with all four risk factors was three times more likely to experience cognitive problems by the first clinic visit compared to children who were seizure-free.

The study also showed that children who took epilepsy drugs had difficulties in processing speed, language, verbal memory and learning compared to children who did not take any epilepsy drugs.

"Children who take these medications should be closely monitored for cognitive problems resulting from the epilepsy drug," said Fastenau. "Surprisingly, our study also found academic achievement in these children was unaffected around the time of the first visit about three months after the first seizure in this study, suggesting there is a window early in epilepsy for intervention to avoid hurting a child's performance at school."

"Because this study found cognitive problems at the time of the first seizure or soon after, it provides strong evidence that these cognitive problems can be attributed to underlying brain abnormalities that lead to the epilepsy, rather than from extended exposure to epilepsy drugs or the effect of numerous seizures," said David Loring, PhD, of Emory University in Atlanta, who wrote an editorial accompanying the study.

http://www.aan.com and www.thebrainmatters.org.

Comments

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
Post a new comment
Post

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.

You might also like...
Antiseizure medications during pregnancy linked to neurodevelopmental risks in children