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723125008: Epileptic encephalopathy (disorder)

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2017. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module
5224371018 A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. en Definition Active Entire term case sensitive (core metadata concept) SNOMED CT core
5224372013 A type of epilepsy characterized by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying etiology is thought to be the only cause of developmental impairment. en Definition Active Entire term case sensitive (core metadata concept) SNOMED CT core
3334666010 Epileptic encephalopathy (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core
3334667018 Epileptic encephalopathy en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
5243445018 EE - epileptic encephalopathy en Synonym (core metadata concept) Active Entire term case sensitive (core metadata concept) SNOMED CT core
5485201000241114 encéphalopathie épileptique fr Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Switzerland NRC maintained Module

3 descendants. Search Descendants:

Expanded Value Set

Outbound Relationships Type Target Active Characteristic Refinability Group Values
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Is a A type of epilepsy with only generalised onset epileptic seizures. false Inferred relationship Some
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Finding site The cerebrum is the regional structure of the brain, which is the adult equivalent of the forebrain or prosencephalon. It is constituted by the structural derivatives of the telencephalon and diencephalon including the cerebral hemispheres, epithalamus, thalamus, hypothalamus, lateral ventricles and third ventricle. This definition is harmonious with the Federation of Association of Anatomist Second Edition (2019) Part V Terminologia Anatomica. false Inferred relationship Some 1
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Has definitional manifestation Seizure false Inferred relationship Some
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Is a Neurodevelopmental disorder is a behavioral and cognitive disorder with onset during the developmental period that involves impaired or aberrant development of intellectual, motor, or social functions. true Inferred relationship Some
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Is a A disease of the brain characterized by an enduring predisposition to generate epileptic seizures. true Inferred relationship Some
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Finding site Brain structure true Inferred relationship Some 1
A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Pathological process (attribute) Pathological developmental process true Inferred relationship Some 1
Inbound Relationships Type Active Source Characteristic Refinability Group
Epileptic encephalopathy with global cerebral demyelination is a rare mitochondrial substrate carrier disorder characterized by severe muscular hypotonia, seizures (with or without episodic apnea) beginning in the first year of life, and arrested psychomotor development (affecting mainly motor skills). Severe spasticity with hyperreflexia has also been reported. Global cerebral hypomyelination is a characteristic imaging feature of this disease. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare, genetic, developmental and epileptic encephalopathy characterized by infantile onset of intractable seizures that are often febrile, and associated with cognitive and motor impairment. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare monogenic disease with epilepsy characterized by developmental delay and infantile spasms in the first months of life, followed by chorea and generalized dystonia and progressing to quadriplegic dyskinesia, recurrent status dystonicus, intractable focal epilepsy and severe intellectual disability. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
Early-onset epileptic encephalopathy-cortical blindness-intellectual disability-facial dysmorphism syndrome is a rare, syndromic intellectual disability syndrome characterized by cortical blindness, different types of seizures, intellectual disability with limited or absent speech, and dysmorphic facial features. Brain imaging typically shows mild pontine hypoplasia, hypoplasia of the corpus callosum and atrophy in the occipital region. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare, genetic, lethal, neurometabolic malformation syndrome characterized by multiple, variable, congenital cardiac (systolic murmur, atrial septal defect), urinary (duplicated collecting system, vesicoureteral reflux) and central nervous system (thin corpus callosum, cerebellar hypoplasia) malformations associated with neonatal hypotonia, early-onset epileptic encephalopathy, and myoclonic seizures. Craniofacial dysmorphism (prominent occiput, enlarged fontanel, fused metopic suture, upslanted palpebral fissures, overfolded helix, depressed nasal bridge, anteverted nose, malar flattening, microstomia with downturned corners, Pierre-Robin sequence, high arched palate, short neck) and other manifestations (joint contractures, hyperreflexia, dysplastic nails, developmental delay) are also observed. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare epilepsy syndrome characterized by recurrent, long-lasting myoclonic status in infants and young children with a non-progressive encephalopathy, associated with transient and recurring motor, cognitive and/or behavioral disturbances. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
KCNQ2-related epileptic encephalopathy is a severe form of neonatal epilepsy that usually manifests in newborns during the first week of life with seizures (that affect alternatively both sides of the body), often accompanied by clonic jerking or more complex motor behavior, as well as signs of encephalopathy such as diffuse hypotonia, limb spasticity, lack of visual fixation and tracking and mild to moderate intellectual deficiency. The severity can range from controlled to intractable seizures and mild/moderate to severe intellectual disability. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome is a rare, genetic, neurologic disease characterized by congenital microcephaly, severe, early-onset epileptic encephalopathy (manifesting as intractable, myoclonic and/or tonic-clonic seizures), permanent, neonatal, insulin-dependent diabetes mellitus, and severe global developmental delay. Muscular hypotonia, skeletal abnormalities, feeding difficulties, and dysmorphic facial features (including narrow forehead, anteverted nares, small mouth with deep philtrum, tented upper lip vermilion) are frequently associated. Brain MRI reveals cerebral atrophy with cortical gyral simplification and aplasia/hypoplasia of the corpus callosum. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
Lennox-Gastaut syndrome Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare genetic neurological disorder characterized by neonatal onset of rigidity and intractable seizures, with episodic jerking already beginning in utero. Affected infants have small heads, remain visually inattentive, do not feed independently, and make no developmental progress. Frequent spontaneous apnea and bradycardia usually culminate in cardiopulmonary arrest and death in infancy, although some cases were described with a milder clinical course and survival into childhood. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare genetic developmental and epileptic encephalopathy (DEE) characterized by developmental delay, generalized epilepsy consisting of eyelid myoclonia with absences and myoclonic-atonic seizures, intellectual disability and autism spectrum disorder (ASD). Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by congenital microcephaly, infantile-onset epileptic encephalopathy, and profound developmental delay. Additional reported features include cortical visual impairment, sensorineural hearing loss, increased muscle tone, limb contractures, scoliosis, and dysmorphic features like midface hypoplasia, narrow forehead, short nose, narrowed nasal bridge, and small chin. Brain imaging may show thin corpus callosum and delayed myelination. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare genetic neurometabolic disease characterized by early neonatal refractory seizures, hypotonia, and respiratory failure. Brain imaging reveals simplified gyral pattern of the frontal lobes, white matter abnormalities, gliosis and volume loss in various brain regions, and vasogenic edema. Serum glutamine levels are significantly elevated. Death occurs within weeks after birth. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare genetic syndromic neurodevelopmental disorder with characteristics of moderate to mostly severe intellectual disability, speech impairment with normal or mildly delayed motor development and early-onset seizures often accompanied by developmental regression. Autistic behaviour and stereotypic movements are common. The disorder is caused by bi-allelic intragenic deletions (rarely duplications) or truncating variants in the CNTNAP2 gene (7q35-q36.1). It encodes contactin-associated protein 2 (CASPR2), a transmembrane protein from the neurexin superfamily, which is involved in neural-glia interactions and clustering of potassium channels in myelinated axons. Inheritance is autosomal recessive. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare congenital disorder of glycosylation caused by mutations in the CAD gene and characterized by epileptic encephalopathy, global developmental delay, normocytic anemia and anisopoikilocytosis. Loss of acquired skills in early childhood is present and natural disease course can be lethal in early childhood. Is a False A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
Rasmussen syndrome Is a True A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare, potentially fatal, epileptic encephalopathy characterized by explosive-onset of recurrent multifocal and bilateral tonic-clonic seizures following an unspecific febrile illness. The syndrome develops without a clear acute structural, toxic or metabolic cause, in a patient without previous epilepsy. FIRES is a subgroup of new-onset refractory status epilepticus (NORSE) and requires a preceding febrile infection as a mandatory feature. Is a True A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some
A rare multiple congenital anomalies/dysmorphic syndrome characterised by developmental delay and intellectual disability, epileptic encephalopathy, horseshoe or hypoplastic kidney, failure to thrive, hypertrichosis of the limbs and respiratory problems (including apnoea, multicompartmental respiratory disease, intermittent hyperventilation) along with mesomelic dysplasia (Nievergelt/Savarirayan type). Dysmorphic facial features may include microcephaly, synophrys, large nose with prominent nasal tip and low hanging columella, protruding ears, smooth/short philtrum, wide mouth with square upper lip, widely spaced teeth and micrognathia. Strabismus, myopia, cortical visual impairment and hearing loss can also be present. Is a True A type of epilepsy characterised by frequent epileptiform activity associated with developmental slowing and often regression on the background of previously normal development. In this type of epilepsy the frequent seizures and/or epileptiform discharges, rather than underlying aetiology is thought to be the only cause of developmental impairment. Inferred relationship Some

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