Assessing the severity of seizures and epilepsy: which scales are valid?

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Abstract
A review of the literature on methods of seizure or epilepsy severity assessments resulted in tabulation of the seizure rating scales known as US Department of Veterans Affairs (VA), Chalfont-National Hospital, Liverpool, Hague, and others. Each of the scales reviewed has some advantages, but none of them appears to be adequate to assess seizure or epilepsy severity. Most of the scales use similar components of seizures to evaluate severity. However, the disadvantages of each scale outweigh its usefulness. New approaches are needed to assess seizure severity for individuals and for use as an outcome measure after intervention such as surgery or medication changes.