West syndrome: etiological and prognostic aspects.

摘要: West syndrome is a multi-etiological condition. Recent progress in perinatal medicine and the recent development of new neuroimaging techniques may have changed etiological panorama syndrome. Our study has disclosed an increasing percentage group decreasing doubtful group. The increase due to increased proportion very low-birthweight infants periventricular leucomalacia (PVL). Among various factors added long list causes syndrome, focal cortical dysplasia another newly emerging factor associated with this Patients unilateral more commonly partial seizures, but show infantile spasms transiently during infancy. They seizures preceding, combination or following spasms. Follow-up MRI necessary detect delayed myelination because it not at common ages onset PET useful further differentiate cryptogenic Although regarded as one intractable epilepsies, prognosis differs widely according etiology. also predict seizure psychomotor prognosis.