نتایج جستجو برای: dravet syndrome
تعداد نتایج: 621933 فیلتر نتایج به سال:
SCN1A mutations account for a large proportion of Dravet syndrome patients, and are reported in other cases of epilepsy, such as some families with genetic epilepsy with febrile seizures plus (GEFS+). While most Dravet syndrome cases are caused by de novo mutations, 5% inherit a mutation from a mildly affected or symptom-free parent. Parental mosaicism has been identified, with documented cases...
Commentary Sudden unexpected death in epilepsy (SUDEP) is a rare, fatal complication of epilepsy defined as sudden death in an individual with epilepsy, in the absence of an obvious cause of death (1). The cause of SUDEP is unknown; however, it is hypothesized that there may be a disruption in respiration, heart rhythm, or cerebral shutdown (1). The population incidence of SUDEP in individuals ...
Commentary Dravet syndrome, formerly known as Severe Myoclonic Epilepsy of Infancy (SMEI), is a devastating neurodevelopmental disorder of intractable epilepsy that begins in early infancy. Tragically, development of affected children is typically on track during the first year of life, whereas progressive developmental decline and prolonged seizures begin to emerge in the second year of life. ...
Dravet syndrome is one of the most severe epilepsy syndromes of early childhood, and it comes with very high morbidity and mortality. The typical presentation is characterized by hemiclonic or generalized clonic seizures triggered by fever during the first year of life, followed by myoclonic, absence, focal and generalized tonic-clonic seizures. Non-convulsive status epilepticus and epileptic e...
Commentary Dravet syndrome is an infant-onset epileptic encephalopathy characterized by generalized clonic, tonic–clonic, or hemi-clonic seizures. Patients subsequently develop other types of seizures, including myoclonic, absence, or partial seizures. Seizures are often refractory to conventional antiepileptic drugs and lack ofadequate seizure control is correlated with poor outcomes. Developm...
OBJECTIVE To explore the prognostic value of initial clinical and mutational findings in infants with SCN1A mutations. METHODS Combining sex, age/fever at first seizure, family history of epilepsy, EEG, and mutation type, we analyzed the accuracy of significant associations in predicting Dravet syndrome vs milder outcomes in 182 mutation carriers ascertained after seizure onset. To assess the...
Fever-associated syndromic epilepsies ranging from febrile seizures plus (FS+) to Dravet syndrome have a significant genetic component. However, apart from SCN1A mutations in >80% of patients with Dravet syndrome, the genetic underpinnings of these epilepsies remain largely unknown. Therefore, we performed a genome-wide screening for copy number variations (CNVs) in 36 patients with SCN1A-negat...
Dravet syndrome, or as it was called in the past 'severe myoclonic epilepsy in infancy', is a drug-resistant epilepsy first described by Charlotte Dravet in 1978. Besides the well-known and well-described therapy resistance, Dravet syndrome dramatically impacts the development and behaviour of the affected children. As it is still not a curable disease, families need to be taught how to cope wi...
OBJECTIVE Epilepsy is a common neurological disorder that affects 1% of the population. Approximately, 30% of individuals with epilepsy are refractory to treatment, highlighting the need for novel therapies. Conventional anticonvulsant screening relies predominantly on induced seizure models. However, these models may not be etiologically relevant for genetic epilepsies. Mutations in SCN1A are ...
Dravet syndrome (also known as Severe Myoclonic Epilepsy of Infancy) is a rare genetic epilepsy syndrome commonly associated with loss-of-function mutations in SCN1A, the gene encoding the α subunit of the voltage-gated sodium channel NaV1.1, resulting in haploinsufficiency. Like other voltage-gated sodium channels, NaV1.1 function contributes to the rising phase of the neuronal action potentia...
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