Infantile spasms syndrome
What is Infantile spasms syndrome?
A rare epilepsy syndrome characterized by onset of epileptic spasms in infants between 2 and 12 months of age, and rarely up to 24 months. Infants may have no antecedent history, or a history reflecting the underlying cause. The classical triad of epileptic spasms, hypsarrhythmia and developmental stagnation or regression is historically referred to as West syndrome.
Other condition names
- Infantile spasms
- Intellectual disability-hypsarrhythmia syndrome
Inheritance type
Autosomal dominant, Autosomal recessive, X-linked recessive
Prevalence
- Europe: 1-9 in 100,000
Age of Onset
- Childhood
- Infancy
- Neonatal
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