What causes ohtahara syndrome?
Ohtahara syndrome is classically caused by very abnormal brain structure that may be due to damage or abnormal development. It also can be due to metabolic disorders or genetic epilepsy syndromes, although the cause or causes for many cases can’t be determined.
What is the life expectancy of a child with West syndrome?
Life expectancy for West syndrome is variable. About five in every 100 infants and children with West syndrome do not survive beyond five years of age. A study of 214 Finnish children over 25 years of age showed about 61% dying at or before age 10 years.
Why are they called Salaam attacks?
If one imagined this act in slow motion, it would appear similar to the Muslim ceremonial greeting (Salaam), from which this type of attack derives its name.
What does West syndrome look like?
West syndrome is a constellation of symptoms characterized by epileptic/infantile spasms, abnormal brain wave patterns called hypsarrhythmia and intellectual disability.
Is Ohtahara syndrome fatal?
Some children with Ohtahara syndrome may die within the first 2 years of life. Those who survive are typically left with severe physical and cognitive disabilities.
Is Ohtahara syndrome curable?
There are several treatment options used to manage Ohtahara syndrome, but there is not a cure. These treatments can help reduce the frequency and severity of the seizures, but they are not effective in managing developmental problems.
Is West syndrome hereditary?
West syndrome due to a mutated ARX gene is inherited in an X-linked recessive manner.
What is the difference between West syndrome and infantile spasms?
(See Presentation and Workup.) West syndrome is an age-dependent expression of a damaged brain, and most patients with infantile spasms have some degree of developmental delay. The term infantile spasm has been used to describe the seizure type, the epilepsy syndrome, or both.
Do infantile spasms cause mental retardation?
Infantile spasms (IS), i.e., West syndrome, as an epileptic encephalopathy, represents one of the major causes of acquired mental retardation in early childhood (Roger and Dulac, 1994).
What is hyperkinetic seizure?
Hyperkinetic seizures are characterized by motor seizures involving predominantly proximal limb or axial muscles in irregular sequential ballistic movements. • The origin of hyperkinetic seizures is more commonly localized in the mesial frontal or orbitofrontal regions.
Can you grow out of West syndrome?
It’s rare, but some children who had West syndrome as babies will die before adulthood. It usually happens before the age of 10.
Is ohtahara syndrome curable?