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<meta name="keywords" content="C5562018, atp1a3, dee99, developmental and epileptic encephalopathy 99, disease or syndrome, autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="Developmental and epileptic encephalopathy-99 (DEE99) is characterized by onset of seizures in early childhood associated with global developmental delay and severely impaired intellectual development. Other features may include hypotonia, quadriparesis, nystagmus, and apnea. Brain imaging may be normal or show nonspecific and variable abnormalities, including cerebral atrophy and polymicrogyria. The severity is variable; some patients die of refractory status epilepticus (summary by Vetro et al., 2021).&#13; For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350." /><meta name="robots" content="index,nofollow,noarchive" />
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<title>Developmental and epileptic encephalopathy 99 (Concept Id: C5562018)
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<!--
UID=1794228
ConceptID=C5562018
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Developmental and epileptic encephalopathy 99<span class="h1sub">(DEE99)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794228</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">C5562018</span></a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
<td>DEE99; DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 99</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td><a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#target-gene-loc">Gene (location):<img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a><div class="display-none" id="target-gene-loc">
Gene(s) directly associated with<br />
this condition or phenotype.</div></td>
<td><a target="_blank" title="ATP1A3 - ID: 478 - NCBI Gene" href="/gene/478" class="medgenPMinfo">ATP1A3</a> (19q13.2)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0030473" target="_blank">MONDO:0030473</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/619606" target="_blank">619606</a></td></tr>
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<div class="portlet mgSection" id="ID_100">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">Developmental and epileptic encephalopathy-99 (DEE99) is characterized by onset of seizures in early childhood associated with global developmental delay and severely impaired intellectual development. Other features may include hypotonia, quadriparesis, nystagmus, and apnea. Brain imaging may be normal or show nonspecific and variable abnormalities, including cerebral atrophy and polymicrogyria. The severity is variable; some patients die of refractory status epilepticus (summary by Vetro et al., 2021).&#13; For a general phenotypic description and a discussion of genetic heterogeneity of DEE, see 308350. [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</div>
</div>
<div class="portlet mgSection" id="ID_102">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_features">Clinical features</h1><a sid="102" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln clinfeat"><strong>From HPO</strong><br />
<div class="divPopper rprt" id="clin_11586"><div><strong>Status epilepticus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>11586</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0038220</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Status epilepticus is a type of prolonged seizure resulting either from the failure of the mechanisms responsible for seizure termination or from the initiation of mechanisms which lead to abnormally prolonged seizures (after time point t1). It is a condition that can have long-term consequences (after time point t2), including neuronal death, neuronal injury, and alteration of neuronal networks, depending on the type and duration of seizures.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/11586">Feature record</a> | <a href="/medgen?term=%22Status%20epilepticus%22%5BClinical%20Features%5D%20OR%2011586%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_543022"><div><strong>Focal impaired awareness seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>543022</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0270834</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Focal impaired awareness seizure (or focal seizure with impaired or lost awareness) is a type of focal-onset seizure characterized by some degree (which may be partial) of impairment of the person's awareness of themselves or their surroundings at any point during the seizure.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/543022">Feature record</a> | <a href="/medgen?term=%22Focal%20impaired%20awareness%20seizure%22%5BClinical%20Features%5D%20OR%20543022%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_82855"><div><strong>Tonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>82855</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0270844</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A tonic seizure is a type of motor seizure characterized by unilateral or bilateral limb stiffening or elevation, often with neck stiffening.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/82855">Feature record</a> | <a href="/medgen?term=%22Tonic%20seizure%22%5BClinical%20Features%5D%20OR%2082855%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_141670"><div><strong>Bilateral tonic-clonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141670</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0494475</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A bilateral tonic-clonic seizure is a seizure defined by a tonic (bilateral increased tone, lasting seconds to minutes) and then a clonic (bilateral sustained rhythmic jerking) phase.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/141670">Feature record</a> | <a href="/medgen?term=%22Bilateral%20tonic-clonic%20seizure%22%5BClinical%20Features%5D%20OR%20141670%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107838"><div><strong>Global developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107838</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0557874</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107838">Feature record</a> | <a href="/medgen?term=%22Global%20developmental%20delay%22%5BClinical%20Features%5D%20OR%20107838%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_196624"><div><strong>Cerebellar atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>196624</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0740279</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Cerebellar atrophy is defined as a cerebellum with initially normal structures, in a posterior fossa with normal size, which displays enlarged fissures (interfolial spaces) in comparison to the foliae secondary to loss of tissue. Cerebellar atrophy implies irreversible loss of tissue and result from an ongoing progressive disease until a final stage is reached or a single injury, e.g. an intoxication or infectious event.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/196624">Feature record</a> | <a href="/medgen?term=%22Cerebellar%20atrophy%22%5BClinical%20Features%5D%20OR%20196624%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_148288"><div><strong>Eyelid myoclonus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>148288</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0751349</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Marked, involuntary jerking of the eyelids.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/148288">Feature record</a> | <a href="/medgen?term=%22Eyelid%20myoclonus%22%5BClinical%20Features%5D%20OR%20148288%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_199670"><div><strong>Focal-onset seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>199670</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0751495</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A focal-onset seizure is a type of seizure originating within networks limited to one hemisphere. They may be discretely localized or more widely distributed, and may originate in subcortical structures.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/199670">Feature record</a> | <a href="/medgen?term=%22Focal-onset%20seizure%22%5BClinical%20Features%5D%20OR%20199670%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_315948"><div><strong>Epileptic spasm</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>315948</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1527366</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A sudden flexion, extension, or mixed extension-flexion of predominantly proximal and truncal muscles that is usually more sustained than a myoclonic movement but not as sustained as a tonic seizure. Limited forms may occur</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/315948">Feature record</a> | <a href="/medgen?term=%22Epileptic%20spasm%22%5BClinical%20Features%5D%20OR%20315948%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_371993"><div><strong>Thick corpus callosum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>371993</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1835194</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased vertical dimension of the corpus callosum. This feature can be visualized by sagittal sections on magnetic resonance tomography imaging of the brain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/371993">Feature record</a> | <a href="/medgen?term=%22Thick%20corpus%20callosum%22%5BClinical%20Features%5D%20OR%20371993%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_335477"><div><strong>Focal hemiclonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335477</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1846620</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A type of focal clonic seizure characterized by sustained rhythmic jerking rapidly involves one side of the body at seizure onset.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/335477">Feature record</a> | <a href="/medgen?term=%22Focal%20hemiclonic%20seizure%22%5BClinical%20Features%5D%20OR%20335477%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_480553"><div><strong>Ventriculomegaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>480553</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3278923</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An increase in size of the ventricular system of the brain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/480553">Feature record</a> | <a href="/medgen?term=%22Ventriculomegaly%22%5BClinical%20Features%5D%20OR%20480553%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_481305"><div><strong>Perisylvian polymicrogyria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481305</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3279675</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Polymicrogyria (an excessive number of small gyri or convolutions) that is maximal in perisylvian regions (the regions that surround the Sylvian fissures), which may be symmetric or asymmetric and may extend beyond perisylvian regions. The Sylvian fissures often extend posteriorly and superiorly.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/481305">Feature record</a> | <a href="/medgen?term=%22Perisylvian%20polymicrogyria%22%5BClinical%20Features%5D%20OR%20481305%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_482664"><div><strong>Multifocal seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482664</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3281034</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Seizures that start from several different areas of the brain (i.e., with multiple ictal onset locations).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/482664">Feature record</a> | <a href="/medgen?term=%22Multifocal%20seizures%22%5BClinical%20Features%5D%20OR%20482664%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_811461"><div><strong>Intellectual disability</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811461</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3714756</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/811461">Feature record</a> | <a href="/medgen?term=%22Intellectual%20disability%22%5BClinical%20Features%5D%20OR%20811461%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_866864"><div><strong>Multifocal epileptiform discharges</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>866864</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4021219</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormality in cerebral electrical activity recorded along the scalp by electroencephalography (EEG) and being identified at multiple locations (foci).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/866864">Feature record</a> | <a href="/medgen?term=%22Multifocal%20epileptiform%20discharges%22%5BClinical%20Features%5D%20OR%20866864%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_867226"><div><strong>Frontotemporal cerebral atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>867226</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4021584</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Atrophy (wasting, decrease in size of cells or tissue) affecting the frontotemporal cerebrum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/867226">Feature record</a> | <a href="/medgen?term=%22Frontotemporal%20cerebral%20atrophy%22%5BClinical%20Features%5D%20OR%20867226%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_867393"><div><strong>Delayed CNS myelination</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>867393</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4021758</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Delayed myelination in the central nervous system.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/867393">Feature record</a> | <a href="/medgen?term=%22Delayed%20CNS%20myelination%22%5BClinical%20Features%5D%20OR%20867393%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_870454"><div><strong>Atrophy/Degeneration affecting the brainstem</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>870454</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4024900</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove nowrap">See: <a href="/medgen/870454">Feature record</a> | <a href="/medgen?term=%22Atrophy%2FDegeneration%20affecting%20the%20brainstem%22%5BClinical%20Features%5D%20OR%20870454%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1385688"><div><strong>Generalized non-motor (absence) seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1385688</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4316903</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A generalized non-motor (absence) seizure is a type of a type of dialeptic seizure that is of electrographically generalized onset. It is a generalized seizure characterized by an interruption of activities, a blank stare, and usually the person will be unresponsive when spoken to. Any ictal motor phenomena are minor in comparison to these non-motor features.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1385688">Feature record</a> | <a href="/medgen?term=%22Generalized%20non-motor%20(absence)%20seizure%22%5BClinical%20Features%5D%20OR%201385688%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1388294"><div><strong>Hypoplastic hippocampus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1388294</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4476822</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Underdevelopment of the hippocampus.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1388294">Feature record</a> | <a href="/medgen?term=%22Hypoplastic%20hippocampus%22%5BClinical%20Features%5D%20OR%201388294%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1785336"><div><strong>Thin corpus callosum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1785336</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C5441562</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">An abnormally thin corpus callous, due to atrophy, hypoplasia or agenesis. This term is intended to be used in situations where it is not known if thinning of the corpus callosum (for instance, as visualized by magnetic resonance tomography) is due to abnormal development (e.g. a leukodystrophy) or atrophy following normal development (e.g. neurodegeneration).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1785336">Feature record</a> | <a href="/medgen?term=%22Thin%20corpus%20callosum%22%5BClinical%20Features%5D%20OR%201785336%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1644158"><div><strong>Microcephaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1644158</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551563</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Head circumference below 2 standard deviations below the mean for age and gender.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1644158">Feature record</a> | <a href="/medgen?term=%22Microcephaly%22%5BClinical%20Features%5D%20OR%201644158%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1640560"><div><strong>Developmental dysplasia of the hip</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1640560</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551649</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Congenital dysplasia of the hip (CDH) is an abnormality of the seating of the femoral head in the acetabulum. Its severity ranges from mild instability of the femoral head with slight capsular laxity, through moderate lateral displacement of the femoral head, without loss of contact of the head with the acetabulum, up to complete dislocation of the femoral head from the acetabulum. It is one of the most common skeletal congenital anomalies (summary by Sollazzo et al., 2000).&#13; Acetabular dysplasia is an idiopathic, localized developmental dysplasia of the hip that is characterized by a shallow hip socket and decreased coverage of the femoral head. Its radiologic criteria include the center-edge angle of Wiberg, the Sharp angle, and the acetabular roof obliquity. Most patients with acetabular dysplasia develop osteoarthritis (165720) after midlife, and even mild acetabular dysplasia can cause hip osteoarthritis (summary by Mabuchi et al., 2006).&#13; CDH occurs as an isolated anomaly or with more general disorders represented by several syndromes and with chromosomal abnormalities such as trisomy 18 (Wynne-Davies, 1970).&#13; Genetic Heterogeneity of Developmental Dysplasia of the Hip&#13; Developmental dysplasia of the hip-1 (DDH1) maps to chromosome 13q22; DDH2 (615612) maps to chromosome 3p21.&#13; DDH3 (620690) is caused by mutation in the LRP1 gene (107770) on chromosome 12q13.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1640560">Feature record</a> | <a href="/medgen?term=%22Developmental%20dysplasia%20of%20the%20hip%22%5BClinical%20Features%5D%20OR%201640560%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_854403"><div><strong>Central apnea</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854403</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3887548</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Apnea resulting from depression of the respiratory centers in the medulla oblongata. There is a lack of respiratory effort rather than obstruction of airflow.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/854403">Feature record</a> | <a href="/medgen?term=%22Central%20apnea%22%5BClinical%20Features%5D%20OR%20854403%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_116082"><div><strong>High-pitched cry</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>116082</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0239154</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A type of crying in an abnormally high-pitched voice.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/116082">Feature record</a> | <a href="/medgen?term=%22High-pitched%20cry%22%5BClinical%20Features%5D%20OR%20116082%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_8484"><div><strong>Drooling</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>8484</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0013132</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Habitual flow of saliva out of the mouth.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/8484">Feature record</a> | <a href="/medgen?term=%22Drooling%22%5BClinical%20Features%5D%20OR%208484%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1637525"><div><strong>Exodeviation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1637525</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551670</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A manifest or latent ocular deviation in which one or both eyes tends to deviate temporally.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1637525">Feature record</a> | <a href="/medgen?term=%22Exodeviation%22%5BClinical%20Features%5D%20OR%201637525%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormality of head or neck</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_8484" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Drooling</a></span></li></ul></li><li><span class="TLline">Abnormality of the eye</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1637525" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exodeviation</a></span></li></ul></li><li><span class="TLline">Abnormality of the musculoskeletal system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1640560" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental dysplasia of the hip</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1644158" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly</a></span></li></ul></li><li><span class="TLline">Abnormality of the nervous system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_870454" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Atrophy/Degeneration affecting the brainstem</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_141670" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bilateral tonic-clonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_196624" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_867393" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Delayed CNS myelination</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_315948" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epileptic spasm</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_148288" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Eyelid myoclonus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_335477" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Focal hemiclonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_543022" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Focal impaired awareness seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_199670" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Focal-onset seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_867226" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Frontotemporal cerebral atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1385688" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized non-motor (absence) seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107838" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Global developmental delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1388294" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypoplastic hippocampus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_811461" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_866864" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multifocal epileptiform discharges</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_482664" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multifocal seizures</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_481305" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Perisylvian polymicrogyria</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_11586" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Status epilepticus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_371993" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Thick corpus callosum</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1785336" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Thin corpus callosum</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_82855" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_480553" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ventriculomegaly</a></span></li></ul></li><li><span class="TLline">Abnormality of the respiratory system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_854403" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Central apnea</a></span></li></ul></li><li><span class="TLline">Abnormality of the voice</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_116082" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">High-pitched cry</a></span></li></ul></li></ul></div></div>
</div>
<div class="portlet mgSection" id="ID_105">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
<div class="nl"><a target="_blank" href="/pubmed/33047306">Exploring genotype-phenotype relationships in the CDKL5 deficiency disorder using an international dataset.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">MacKay CI,
Wong K,
Demarest ST,
Benke TA,
Downs J,
Leonard H</span><br />
<span class="medgenPMjournal">Clin Genet</span>
2021 Jan;99(1):157-165.
Epub 2020 Oct 20
doi: 10.1111/cge.13862.
<span class="bold">PMID: </span><a href="/pubmed/33047306" target="_blank">33047306</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33000761">The phenotype and treatment of SCN2A-related developmental and epileptic encephalopathy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kim HJ,
Yang D,
Kim SH,
Kim B,
Kim HD,
Lee JS,
Choi JR,
Lee ST,
Kang HC</span><br />
<span class="medgenPMjournal">Epileptic Disord</span>
2020 Oct 1;22(5):563-570.
doi: 10.1684/epd.2020.1199.
<span class="bold">PMID: </span><a href="/pubmed/33000761" target="_blank">33000761</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(developmental%20and%20epileptic%20encephalopathy%2099)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (7)</a></div></div>
</div>
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
<div class="portlet mgSection" id="ID_103">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
<div class="nl"><a target="_blank" href="/pubmed/38290094">Outcome of Epilepsy Surgery in MRI-Negative Patients Without Histopathologic Abnormalities in the Resected Tissue.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sanders MW,
Van der Wolf I,
Jansen FE,
Aronica E,
Helmstaedter C,
Racz A,
Surges R,
Grote A,
Becker AJ,
Rheims S,
Catenoix H,
Duncan JS,
De Tisi J,
Jacques TS,
Cross JH,
Kalviainen R,
Rauramaa T,
Chassoux F,
Devaux BC,
Di Gennaro G,
Esposito V,
Bodi I,
Honavar M,
Bien CG,
Cloppenborg T,
Coras R,
Hamer HM,
Marusic P,
Kalina A,
Pieper T,
Kudernatsch M,
Hartlieb TS,
Von Oertzen TJ,
Aichholzer M,
Dorfmuller G,
Chipaux M,
Noachtar S,
Kaufmann E,
Schulze-Bonhage A,
Scheiwe CF,
Özkara C,
Grunwald T,
Koenig K,
Guerrini R,
Barba C,
Buccoliero AM,
Giordano F,
Rosenow F,
Menzler K,
Garbelli R,
Deleo F,
Krsek P,
Straka B,
Arzimanoglou AA,
Toulouse J,
Van Paesschen W,
Theys T,
Pimentel J,
Loução De Amorim IM,
Specchio N,
De Palma L,
Feucht M,
Scholl T,
Roessler K,
Toledano Delgado R,
Gil-Nagel A,
Raicevic S,
Ristic AJ,
Schijns O,
Beckervordersandforth J,
San Antonio-Arce V,
Rumia J,
Blumcke I,
Braun KP;
as the European Epilepsy Brain Bank Consortium (EEBB)</span><br />
<span class="medgenPMjournal">Neurology</span>
2024 Feb 27;102(4):e208007.
Epub 2024 Jan 30
doi: 10.1212/WNL.0000000000208007.
<span class="bold">PMID: </span><a href="/pubmed/38290094" target="_blank">38290094</a><a href="/pmc/articles/PMC10962914" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36734057">Perampanel as precision therapy in rare genetic epilepsies.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Nissenkorn A,
Kluger G,
Schubert-Bast S,
Bayat A,
Bobylova M,
Bonanni P,
Ceulemans B,
Coppola A,
Di Bonaventura C,
Feucht M,
Fuchs A,
Gröppel G,
Heimer G,
Herdt B,
Kulikova S,
Mukhin K,
Nicassio S,
Orsini A,
Panagiotou M,
Pringsheim M,
Puest B,
Pylaeva O,
Ramantani G,
Tsekoura M,
Ricciardelli P,
Lerman Sagie T,
Stark B,
Striano P,
van Baalen A,
De Wachter M,
Cerulli Irelli E,
Cuccurullo C,
von Stülpnagel C,
Russo A</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2023 Apr;64(4):866-874.
Epub 2023 Feb 20
doi: 10.1111/epi.17530.
<span class="bold">PMID: </span><a href="/pubmed/36734057" target="_blank">36734057</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26220354">Neurological Outcomes After Presumed Childhood Encephalitis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rismanchi N,
Gold JJ,
Sattar S,
Glaser C,
Sheriff H,
Proudfoot J,
Mower A,
Nespeca M,
Crawford JR,
Wang SG</span><br />
<span class="medgenPMjournal">Pediatr Neurol</span>
2015 Sep;53(3):200-6.
Epub 2015 Jun 11
doi: 10.1016/j.pediatrneurol.2015.05.017.
<span class="bold">PMID: </span><a href="/pubmed/26220354" target="_blank">26220354</a></div>
<div class="nl"><a target="_blank" href="/pubmed/16239177">The United Kingdom Infantile Spasms Study (UKISS) comparing hormone treatment with vigabatrin on developmental and epilepsy outcomes to age 14 months: a multicentre randomised trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lux AL,
Edwards SW,
Hancock E,
Johnson AL,
Kennedy CR,
Newton RW,
O'Callaghan FJ,
Verity CM,
Osborne JP;
United Kingdom Infantile Spasms Study</span><br />
<span class="medgenPMjournal">Lancet Neurol</span>
2005 Nov;4(11):712-7.
doi: 10.1016/S1474-4422(05)70199-X.
<span class="bold">PMID: </span><a href="/pubmed/16239177" target="_blank">16239177</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2099%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (71)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/38073125">Common genes and recurrent causative variants in 957 Asian patients with pediatric epilepsy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kim SH,
Seo J,
Kwon SS,
Teng LY,
Won D,
Shin S,
Lee JS,
Lee ST,
Choi JR,
Kang HC</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2024 Mar;65(3):766-778.
Epub 2023 Dec 22
doi: 10.1111/epi.17857.
<span class="bold">PMID: </span><a href="/pubmed/38073125" target="_blank">38073125</a></div>
<div class="nl"><a target="_blank" href="/pubmed/37939785">The clinical, imaging, pathological and genetic landscape of bottom-of-sulcus dysplasia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Macdonald-Laurs E,
Warren AEL,
Francis P,
Mandelstam SA,
Lee WS,
Coleman M,
Stephenson SEM,
Barton S,
D'Arcy C,
Lockhart PJ,
Leventer RJ,
Harvey AS</span><br />
<span class="medgenPMjournal">Brain</span>
2024 Apr 4;147(4):1264-1277.
doi: 10.1093/brain/awad379.
<span class="bold">PMID: </span><a href="/pubmed/37939785" target="_blank">37939785</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36192182">The Phenotypic Continuum of ATP1A3-Related Disorders.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Vezyroglou A,
Akilapa R,
Barwick K,
Koene S,
Brownstein CA,
Holder-Espinasse M,
Fry AE,
Németh AH,
Tofaris GK,
Hay E,
Hughes I,
Mansour S,
Mordekar SR,
Splitt M,
Turnpenny PD,
Demetriou D,
Koopmann TT,
Ruivenkamp CAL,
Agrawal PB,
Carr L,
Clowes V,
Ghali N,
Holder SE,
Radley J,
Male A,
Sisodiya SM,
Kurian MA,
Cross JH,
Balasubramanian M</span><br />
<span class="medgenPMjournal">Neurology</span>
2022 Oct 4;99(14):e1511-e1526.
Epub 2022 Jul 18
doi: 10.1212/WNL.0000000000200927.
<span class="bold">PMID: </span><a href="/pubmed/36192182" target="_blank">36192182</a><a href="/pmc/articles/PMC9576304" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26659723">The current state of epilepsy guidelines: A systematic review.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sauro KM,
Wiebe S,
Dunkley C,
Janszky J,
Kumlien E,
Moshé S,
Nakasato N,
Pedley TA,
Perucca E,
Senties H,
Thomas SV,
Wang Y,
Wilmshurst J,
Jetté N</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2016 Jan;57(1):13-23.
Epub 2015 Dec 10
doi: 10.1111/epi.13273.
<span class="bold">PMID: </span><a href="/pubmed/26659723" target="_blank">26659723</a></div>
<div class="nl"><a target="_blank" href="/pubmed/17105475">Cognitive impairments in children with nonidiopathic temporal lobe epilepsy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Laurent A,
Arzimanoglou A</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2006;47 Suppl 2:99-102.
doi: 10.1111/j.1528-1167.2006.00703.x.
<span class="bold">PMID: </span><a href="/pubmed/17105475" target="_blank">17105475</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2099%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (49)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/36734057">Perampanel as precision therapy in rare genetic epilepsies.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Nissenkorn A,
Kluger G,
Schubert-Bast S,
Bayat A,
Bobylova M,
Bonanni P,
Ceulemans B,
Coppola A,
Di Bonaventura C,
Feucht M,
Fuchs A,
Gröppel G,
Heimer G,
Herdt B,
Kulikova S,
Mukhin K,
Nicassio S,
Orsini A,
Panagiotou M,
Pringsheim M,
Puest B,
Pylaeva O,
Ramantani G,
Tsekoura M,
Ricciardelli P,
Lerman Sagie T,
Stark B,
Striano P,
van Baalen A,
De Wachter M,
Cerulli Irelli E,
Cuccurullo C,
von Stülpnagel C,
Russo A</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2023 Apr;64(4):866-874.
Epub 2023 Feb 20
doi: 10.1111/epi.17530.
<span class="bold">PMID: </span><a href="/pubmed/36734057" target="_blank">36734057</a></div>
<div class="nl"><a target="_blank" href="/pubmed/34287833">Long-term safety and efficacy of add-on cannabidiol in patients with Lennox-Gastaut syndrome: Results of a long-term open-label extension trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Patel AD,
Mazurkiewicz-Bełdzińska M,
Chin RF,
Gil-Nagel A,
Gunning B,
Halford JJ,
Mitchell W,
Scott Perry M,
Thiele EA,
Weinstock A,
Dunayevich E,
Checketts D,
Devinsky O</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2021 Sep;62(9):2228-2239.
Epub 2021 Jul 20
doi: 10.1111/epi.17000.
<span class="bold">PMID: </span><a href="/pubmed/34287833" target="_blank">34287833</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26220354">Neurological Outcomes After Presumed Childhood Encephalitis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rismanchi N,
Gold JJ,
Sattar S,
Glaser C,
Sheriff H,
Proudfoot J,
Mower A,
Nespeca M,
Crawford JR,
Wang SG</span><br />
<span class="medgenPMjournal">Pediatr Neurol</span>
2015 Sep;53(3):200-6.
Epub 2015 Jun 11
doi: 10.1016/j.pediatrneurol.2015.05.017.
<span class="bold">PMID: </span><a href="/pubmed/26220354" target="_blank">26220354</a></div>
<div class="nl"><a target="_blank" href="/pubmed/16239177">The United Kingdom Infantile Spasms Study (UKISS) comparing hormone treatment with vigabatrin on developmental and epilepsy outcomes to age 14 months: a multicentre randomised trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lux AL,
Edwards SW,
Hancock E,
Johnson AL,
Kennedy CR,
Newton RW,
O'Callaghan FJ,
Verity CM,
Osborne JP;
United Kingdom Infantile Spasms Study</span><br />
<span class="medgenPMjournal">Lancet Neurol</span>
2005 Nov;4(11):712-7.
doi: 10.1016/S1474-4422(05)70199-X.
<span class="bold">PMID: </span><a href="/pubmed/16239177" target="_blank">16239177</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2099%22%20AND%20Therapy%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (43)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/37939785">The clinical, imaging, pathological and genetic landscape of bottom-of-sulcus dysplasia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Macdonald-Laurs E,
Warren AEL,
Francis P,
Mandelstam SA,
Lee WS,
Coleman M,
Stephenson SEM,
Barton S,
D'Arcy C,
Lockhart PJ,
Leventer RJ,
Harvey AS</span><br />
<span class="medgenPMjournal">Brain</span>
2024 Apr 4;147(4):1264-1277.
doi: 10.1093/brain/awad379.
<span class="bold">PMID: </span><a href="/pubmed/37939785" target="_blank">37939785</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36410286">Sleep architecture in neonatal and infantile onset epilepsies in the first six months of life: A scoping review.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Jethwa S,
Pressler RM,
Kaya D,
Datta AN</span><br />
<span class="medgenPMjournal">Eur J Paediatr Neurol</span>
2022 Nov;41:99-108.
Epub 2022 Nov 11
doi: 10.1016/j.ejpn.2022.11.004.
<span class="bold">PMID: </span><a href="/pubmed/36410286" target="_blank">36410286</a></div>
<div class="nl"><a target="_blank" href="/pubmed/35851549">Natural History Study of STXBP1-Developmental and Epileptic Encephalopathy Into Adulthood.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Stamberger H,
Crosiers D,
Balagura G,
Bonardi CM,
Basu A,
Cantalupo G,
Chiesa V,
Christensen J,
Dalla Bernardina B,
Ellis CA,
Furia F,
Gardiner F,
Giron C,
Guerrini R,
Klein KM,
Korff C,
Krijtova H,
Leffler M,
Lerche H,
Lesca G,
Lewis-Smith D,
Marini C,
Marjanovic D,
Mazzola L,
McKeown Ruggiero S,
Mochel F,
Ramond F,
Reif PS,
Richard-Mornas A,
Rosenow F,
Schropp C,
Thomas RH,
Vignoli A,
Weber Y,
Palmer E,
Helbig I,
Scheffer IE,
Striano P,
Møller RS,
Gardella E,
Weckhuysen S</span><br />
<span class="medgenPMjournal">Neurology</span>
2022 Jul 19;99(3):e221-e233.
Epub 2022 Jun 3
doi: 10.1212/WNL.0000000000200715.
<span class="bold">PMID: </span><a href="/pubmed/35851549" target="_blank">35851549</a><a href="/pmc/articles/PMC9302932" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33000761">The phenotype and treatment of SCN2A-related developmental and epileptic encephalopathy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kim HJ,
Yang D,
Kim SH,
Kim B,
Kim HD,
Lee JS,
Choi JR,
Lee ST,
Kang HC</span><br />
<span class="medgenPMjournal">Epileptic Disord</span>
2020 Oct 1;22(5):563-570.
doi: 10.1684/epd.2020.1199.
<span class="bold">PMID: </span><a href="/pubmed/33000761" target="_blank">33000761</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26220354">Neurological Outcomes After Presumed Childhood Encephalitis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Rismanchi N,
Gold JJ,
Sattar S,
Glaser C,
Sheriff H,
Proudfoot J,
Mower A,
Nespeca M,
Crawford JR,
Wang SG</span><br />
<span class="medgenPMjournal">Pediatr Neurol</span>
2015 Sep;53(3):200-6.
Epub 2015 Jun 11
doi: 10.1016/j.pediatrneurol.2015.05.017.
<span class="bold">PMID: </span><a href="/pubmed/26220354" target="_blank">26220354</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2099%22%20AND%20Prognosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (31)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/38290094">Outcome of Epilepsy Surgery in MRI-Negative Patients Without Histopathologic Abnormalities in the Resected Tissue.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sanders MW,
Van der Wolf I,
Jansen FE,
Aronica E,
Helmstaedter C,
Racz A,
Surges R,
Grote A,
Becker AJ,
Rheims S,
Catenoix H,
Duncan JS,
De Tisi J,
Jacques TS,
Cross JH,
Kalviainen R,
Rauramaa T,
Chassoux F,
Devaux BC,
Di Gennaro G,
Esposito V,
Bodi I,
Honavar M,
Bien CG,
Cloppenborg T,
Coras R,
Hamer HM,
Marusic P,
Kalina A,
Pieper T,
Kudernatsch M,
Hartlieb TS,
Von Oertzen TJ,
Aichholzer M,
Dorfmuller G,
Chipaux M,
Noachtar S,
Kaufmann E,
Schulze-Bonhage A,
Scheiwe CF,
Özkara C,
Grunwald T,
Koenig K,
Guerrini R,
Barba C,
Buccoliero AM,
Giordano F,
Rosenow F,
Menzler K,
Garbelli R,
Deleo F,
Krsek P,
Straka B,
Arzimanoglou AA,
Toulouse J,
Van Paesschen W,
Theys T,
Pimentel J,
Loução De Amorim IM,
Specchio N,
De Palma L,
Feucht M,
Scholl T,
Roessler K,
Toledano Delgado R,
Gil-Nagel A,
Raicevic S,
Ristic AJ,
Schijns O,
Beckervordersandforth J,
San Antonio-Arce V,
Rumia J,
Blumcke I,
Braun KP;
as the European Epilepsy Brain Bank Consortium (EEBB)</span><br />
<span class="medgenPMjournal">Neurology</span>
2024 Feb 27;102(4):e208007.
Epub 2024 Jan 30
doi: 10.1212/WNL.0000000000208007.
<span class="bold">PMID: </span><a href="/pubmed/38290094" target="_blank">38290094</a><a href="/pmc/articles/PMC10962914" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36192182">The Phenotypic Continuum of ATP1A3-Related Disorders.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Vezyroglou A,
Akilapa R,
Barwick K,
Koene S,
Brownstein CA,
Holder-Espinasse M,
Fry AE,
Németh AH,
Tofaris GK,
Hay E,
Hughes I,
Mansour S,
Mordekar SR,
Splitt M,
Turnpenny PD,
Demetriou D,
Koopmann TT,
Ruivenkamp CAL,
Agrawal PB,
Carr L,
Clowes V,
Ghali N,
Holder SE,
Radley J,
Male A,
Sisodiya SM,
Kurian MA,
Cross JH,
Balasubramanian M</span><br />
<span class="medgenPMjournal">Neurology</span>
2022 Oct 4;99(14):e1511-e1526.
Epub 2022 Jul 18
doi: 10.1212/WNL.0000000000200927.
<span class="bold">PMID: </span><a href="/pubmed/36192182" target="_blank">36192182</a><a href="/pmc/articles/PMC9576304" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/35636160">Different epilepsy course of a novel AHDC1 mutation in a female monozygotic twin pair.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Salvati A,
Biagioni T,
Ferrari AR,
Lopergolo D,
Brovedani P,
Bartolini E</span><br />
<span class="medgenPMjournal">Seizure</span>
2022 Jul;99:127-130.
Epub 2022 May 26
doi: 10.1016/j.seizure.2022.05.020.
<span class="bold">PMID: </span><a href="/pubmed/35636160" target="_blank">35636160</a></div>
<div class="nl"><a target="_blank" href="/pubmed/34287833">Long-term safety and efficacy of add-on cannabidiol in patients with Lennox-Gastaut syndrome: Results of a long-term open-label extension trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Patel AD,
Mazurkiewicz-Bełdzińska M,
Chin RF,
Gil-Nagel A,
Gunning B,
Halford JJ,
Mitchell W,
Scott Perry M,
Thiele EA,
Weinstock A,
Dunayevich E,
Checketts D,
Devinsky O</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2021 Sep;62(9):2228-2239.
Epub 2021 Jul 20
doi: 10.1111/epi.17000.
<span class="bold">PMID: </span><a href="/pubmed/34287833" target="_blank">34287833</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2099%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (45)</a></div></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_systematic_reviews">Recent systematic reviews</h1><a sid="104" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">
<div class="nl"><a target="_blank" href="/pubmed/32000367">A meta-analysis and systematic review of Leigh syndrome: clinical manifestations, respiratory chain enzyme complex deficiency, and gene mutations.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Chang X,
Wu Y,
Zhou J,
Meng H,
Zhang W,
Guo J</span><br />
<span class="medgenPMjournal">Medicine (Baltimore)</span>
2020 Jan;99(5):e18634.
doi: 10.1097/MD.0000000000018634.
<span class="bold">PMID: </span><a href="/pubmed/32000367" target="_blank">32000367</a><a href="/pmc/articles/PMC7004636" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30522060">A systematic review of sudden unexpected death in epilepsy (SUDEP) in childhood.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Abdel-Mannan O,
Taylor H,
Donner EJ,
Sutcliffe AG</span><br />
<span class="medgenPMjournal">Epilepsy Behav</span>
2019 Jan;90:99-106.
Epub 2018 Dec 3
doi: 10.1016/j.yebeh.2018.11.006.
<span class="bold">PMID: </span><a href="/pubmed/30522060" target="_blank">30522060</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29320603">Drug management for acute tonic-clonic convulsions including convulsive status epilepticus in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McTague A,
Martland T,
Appleton R</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jan 10;1(1):CD001905.
doi: 10.1002/14651858.CD001905.pub3.
<span class="bold">PMID: </span><a href="/pubmed/29320603" target="_blank">29320603</a><a href="/pmc/articles/PMC6491279" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26659723">The current state of epilepsy guidelines: A systematic review.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sauro KM,
Wiebe S,
Dunkley C,
Janszky J,
Kumlien E,
Moshé S,
Nakasato N,
Pedley TA,
Perucca E,
Senties H,
Thomas SV,
Wang Y,
Wilmshurst J,
Jetté N</span><br />
<span class="medgenPMjournal">Epilepsia</span>
2016 Jan;57(1):13-23.
Epub 2015 Dec 10
doi: 10.1111/epi.13273.
<span class="bold">PMID: </span><a href="/pubmed/26659723" target="_blank">26659723</a></div>
<div class="nl"><a target="_blank" href="/pubmed/20000869">Long-term developmental outcome of children of women with epilepsy, unexposed or exposed prenatally to antiepileptic drugs: a meta-analysis of cohort studies.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Banach R,
Boskovic R,
Einarson T,
Koren G</span><br />
<span class="medgenPMjournal">Drug Saf</span>
2010 Jan 1;33(1):73-9.
doi: 10.2165/11317640-000000000-00000.
<span class="bold">PMID: </span><a href="/pubmed/20000869" target="_blank">20000869</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Developmental%20and%20epileptic%20encephalopathy%2099%22%20AND%20systematic%5Bsb%5D%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (6)</a></div></div>
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<div class="portlet_content ln"><ul id="my-toc"></ul></div>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C5562018%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (6)</a></li>
<li><a href="/gtr/tests?term=C5562018%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (6)</a></li>
<li><a href="/gtr/tests?term=C5562018%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (1)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C5562018%5bDISCUI%5d" target="_blank">See all (7)</a></total></li>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_resources">Clinical resources</h1><a sid="119" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="https://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=619606" target="_blank">OMIM</a></li><li><a href="https://clinicaltrials.gov/search?cond=Developmental%20and%20epileptic%20encephalopathy%2099" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Practice_guidelines">Practice guidelines</h1><a sid="121" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(developmental%20and%20epileptic%20encephalopathy%2099)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Molecular_resources">Molecular resources</h1><a sid="115" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="http://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=182350" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=478[geneid]" target="_blank">View ATP1A3 variations in ClinVar</a></li><li><a href="/nuccore/190341062" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=619606" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
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<div class="portlet_content ln"><ul><li><a href="https://www.malacards.org/card/developmental_and_epileptic_encephalopathy_99" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=Developmental%20and%20epileptic%20encephalopathy%2099" target="_blank">MedlinePlus</a></li></ul></div>
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<h3>Reviews</h3>
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<a href="/pubmed/clinical?term=Developmental%20and%20epileptic%20encephalopathy%2099" ref="ncbi_uid=&amp;discoId=gtr_reviews&amp;linkpos=1&amp;linkpostotal=2" target="_blank">PubMed Clinical Queries</a>
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<a href="/pubmed?term=Developmental%20and%20epileptic%20encephalopathy%2099%20AND%20humans[mesh]%20AND%20review[publication%20type]" ref="ncbi_uid=&amp;discoId=gtr_reviews&amp;linkpos=2&amp;linkpostotal=2" target="_blank">Reviews in PubMed</a>
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