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What is the intellectual prognosis for children with infantile spasms (IS)?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner
The prognosis for children with infantile spasms (ISs) is dependent on the underlying causes of the seizures. The intellectual prognosis for children with IS is generally poor because many babies with IS have neurological impairment prior to the onset of spasms. Spasms usually resolve by midchildhood, but more than half of the children with IS develop other types of seizures. There appears to be a close relationship between IS and Lennox-Gastaut syndrome, an epileptic disorder of later childhood.

This answer is based on source information from the National Institute of Neurological Disorders and Stroke.

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