Febrile seizures and genetic epilepsy with febrile seizures plus (GEFS+)
Identifieur interne : 001130 ( Main/Exploration ); précédent : 001129; suivant : 001131Febrile seizures and genetic epilepsy with febrile seizures plus (GEFS+)
Auteurs : Peter Camfield [Canada] ; Carol Camfield [Canada]Source :
- Epileptic Disorders [ 1294-9361 ] ; 2015-06.
Abstract
Aim. To review the literature about febrile seizures and GEFS plus with special emphasis on management and outcome. Methods. Selected literature review. Results. Febrile seizures are the most common convulsive event in humans, occurring in 2–6% of the population. The aetiology is complex with strong evidence for a heterogeneous genetic predisposition interacting with fever of any cause, with certain viral infections having a greater effect. A large amount of literature has established that febrile seizures have no long‐term consequences on cognition or behaviour. Unfortunately, about 40% of children with a first febrile seizure will have a recurrence. The strongest predictor of recurrence is age <14–16 months at the time of the first febrile seizure. Epilepsy follows febrile seizures in ∼3% cases, with the concepts of simple and complex febrile seizures providing relatively weak prediction. Very prolonged febrile seizures may lead to mesial temporal sclerosis and temporal lobe epilepsy although the degree of risk remains uncertain. Investigations beyond establishing the cause of the provoking fever are nearly always unnecessary. Treatment is mainly reassurance and there is some evidence that parents eventually “come to grips” with the fear that their children are dying during a febrile seizure. Antipyretic medications are remarkably ineffective to prevent recurrences. Daily and intermittent prophylactic medications are ineffective or have unacceptable side effects or risks. “Rescue” benzodiazepines may prevent prolonged recurrences for selected patients with a first prolonged febrile seizure although this has not been proven. Genetic epilepsy with febrile seizures plus (GEFS+) is a complex autosomal dominant disorder usually caused by mutations in SCN1A (a voltage‐gated sodium channel). One third of patients have febrile seizures only; two thirds have a variety of epilepsy syndromes, both focal and generalized. Conclusions. Febrile seizures may distress parents but rarely have any long‐term consequences. Reassurance is the only treatment for the vast majority. Identifying patients with GEFS plus may lead to further investigations and counselling.
Url:
DOI: 10.1684/epd.2015.0737
Affiliations:
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To review the literature about febrile seizures and GEFS plus with special emphasis on management and outcome. Methods. Selected literature review. Results. Febrile seizures are the most common convulsive event in humans, occurring in 2–6% of the population. The aetiology is complex with strong evidence for a heterogeneous genetic predisposition interacting with fever of any cause, with certain viral infections having a greater effect. A large amount of literature has established that febrile seizures have no long‐term consequences on cognition or behaviour. Unfortunately, about 40% of children with a first febrile seizure will have a recurrence. The strongest predictor of recurrence is age <14–16 months at the time of the first febrile seizure. Epilepsy follows febrile seizures in ∼3% cases, with the concepts of simple and complex febrile seizures providing relatively weak prediction. Very prolonged febrile seizures may lead to mesial temporal sclerosis and temporal lobe epilepsy although the degree of risk remains uncertain. Investigations beyond establishing the cause of the provoking fever are nearly always unnecessary. Treatment is mainly reassurance and there is some evidence that parents eventually “come to grips” with the fear that their children are dying during a febrile seizure. Antipyretic medications are remarkably ineffective to prevent recurrences. Daily and intermittent prophylactic medications are ineffective or have unacceptable side effects or risks. “Rescue” benzodiazepines may prevent prolonged recurrences for selected patients with a first prolonged febrile seizure although this has not been proven. Genetic epilepsy with febrile seizures plus (GEFS+) is a complex autosomal dominant disorder usually caused by mutations in SCN1A (a voltage‐gated sodium channel). One third of patients have febrile seizures only; two thirds have a variety of epilepsy syndromes, both focal and generalized. Conclusions. Febrile seizures may distress parents but rarely have any long‐term consequences. Reassurance is the only treatment for the vast majority. Identifying patients with GEFS plus may lead to further investigations and counselling.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Camfield, Peter" sort="Camfield, Peter" uniqKey="Camfield P" first="Peter" last="Camfield">Peter Camfield</name></noRegion><name sortKey="Camfield, Carol" sort="Camfield, Carol" uniqKey="Camfield C" first="Carol" last="Camfield">Carol Camfield</name><name sortKey="Camfield, Carol" sort="Camfield, Carol" uniqKey="Camfield C" first="Carol" last="Camfield">Carol Camfield</name><name sortKey="Camfield, Peter" sort="Camfield, Peter" uniqKey="Camfield P" first="Peter" last="Camfield">Peter Camfield</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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