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epilepsy syndrome

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https://www.readbyqxmd.com/read/28734692/respiratory-arrest-at-the-onset-of-idiopathic-childhood-occipital-epilepsy-of-gastaut
#1
Keiko Funata, Tatsuhiko Shike, Toshiki Takenouchi, Yukio Yamashita, Takao Takahashi
Occipital lobe epilepsy of childhood includes two entities: Panayiotopoulos syndrome in pre-school children, and idiopathic childhood occipital epilepsy of Gastaut (ICOEG) in school-age children. The typical initial manifestation of the former is vomiting, and that of the latter is visual hallucinations. Ictal cardiopulmonary arrest at initial presentation has been reported for Panayiotopoulos syndrome, but not for ICOEG. We document a 7-year-old previously healthy girl who experienced an acute elemental visual hallucination of seeing insects, followed by a new-onset generalized seizure...
July 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/28733343/profile-of-neonatal-epilepsies-characteristics-of-a-prospective-us-cohort
#2
Renée A Shellhaas, Courtney J Wusthoff, Tammy N Tsuchida, Hannah C Glass, Catherine J Chu, Shavonne L Massey, Janet S Soul, Natrujee Wiwattanadittakun, Nicholas S Abend, Maria Roberta Cilio
OBJECTIVE: Although individual neonatal epilepsy syndromes are rare, as a group they represent a sizable subgroup of neonatal seizure etiologies. We evaluated the profile of neonatal epilepsies in a prospective cohort of newborns with seizures. METHODS: Consecutive newborns with seizures were enrolled in the Neonatal Seizure Registry (an association of 7 US children's hospitals). Treatment and diagnostic testing were at the clinicians' discretion. Neonates with seizures related to epileptic encephalopathies (without structural brain abnormalities), brain malformations, or benign familial epilepsies were included in this analysis...
July 21, 2017: Neurology
https://www.readbyqxmd.com/read/28733338/early-and-lethal-neurodegeneration-with-myasthenic-and-myopathic-features-a-new-alg14-cdg
#3
David C Schorling, Simone Rost, Dirk J Lefeber, Lauren Brady, Clemens R Müller, Rudolf Korinthenberg, Mark Tarnopolsky, Carsten G Bönnemann, Richard J Rodenburg, Marianna Bugiani, Maria Beytia, Marcus Krüger, Marjo van der Knaap, Jan Kirschner
OBJECTIVE: To describe the presentation and identify the cause of a new clinical phenotype, characterized by early severe neurodegeneration with myopathic and myasthenic features. METHODS: This case study of 5 patients from 3 families includes clinical phenotype, serial MRI, electrophysiologic testing, muscle biopsy, and full autopsy. Genetic workup included whole exome sequencing and segregation analysis of the likely causal mutation. RESULTS: All 5 patients showed severe muscular hypotonia, progressive cerebral atrophy, and therapy-refractory epilepsy...
July 21, 2017: Neurology
https://www.readbyqxmd.com/read/28730261/post-medication-stevens-johnson-syndrome-in-a-girl-hospitalized-for-a-norovirus-and-rotavirus-infection
#4
Simona Dumitra, LuminiŢa Pilat, Alina Iftode, Ozana Nicoleta Bălan, Carmen Ramona StănculeŢ, Elena Claudia Covaci, Alexandru Fica Mircea Onel, Carmen Nicoleta Crişan
Stevens-Johnson syndrome (SJS) is a cutaneous mucosal disorder characterized by extended necrosis and detachment of the epidermis affecting <10% of the body surface, caused by drugs or infections. The authors report a case of a girl with Depakine resistant epilepsy, who develops a SJS in the third week of introducing lamotrigine. The girl also presents an acute diarrheal disease with double viral etiology - rotavirus and norovirus. The clinical image comprises polymorphic erythematous maculopapular exanthema with vesicular and bullous elements, with ulcerations and desquamations at the level of the eyelids, mouth, anogenital area and tegument denuding at the level of the abdomen and limbs...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28726233/-cannabidiol-its-use-in-refractory-epilepsies
#5
G Pesantez-Rios, L Armijos-Acurio, R Jimbo-Sotomayor, S I Pascual-Pascual, G Pesantez-Cuesta
INTRODUCTION: Some epileptic syndromes are characterised by seizures that are difficult to control and are associated to delayed neuropsychomotor development, which results in a deterioration in the patient's quality of life as well as in that of his or her family. AIM: To evaluate the use of cannabidiol as adjuvant therapy in patients with refractory epilepsies. PATIENTS AND METHODS: An observational study was conducted by means of a survey addressed to the patient's caregiver...
August 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28720085/my-child-cannot-breathe-while-sleeping-a-report-of-three-cases-and-review
#6
Won Hee Seo, Minkyu Park, So-Hee Eun, Seonkyeong Rhie, Dae Jin Song, Kyu-Young Chae
BACKGROUND: Sudden breath-holding episodes during sleep in young children are potentially related to sudden infant death syndrome and other life-threatening events. Additionally, these episodes can negatively affect child's growth and development. CASE PRESENTATION: Here, we present 3 cases of preschool children with similar paroxysmal nocturnal waking events associated with choking that had different etiologies (nocturnal frontal lobe epilepsy, nocturnal gastroesophageal reflux disease, and parasomnia, respectively)...
July 18, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28717435/psoriasis-bulbar-involvement-and-diarrhea-in-late-myoclonic-epilepsy-with-ragged-red-fibers-syndrome-due-to-the-m-8344a-g-trna-lys-mutation
#7
Josef Finsterer, Gabor Geza Kovacs
No abstract text is available yet for this article.
January 5, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28712486/myoclonic-epilepsy-in-infancy-with-preceding-or-concurrent-afebrile-generalized-tonic-clonic-seizures-in-chinese-children
#8
Zhixian Yang, Hui Li, Jiao Xue, Ping Qian, Xiaoyan Liu, Yuehua Zhang
OBJECTIVE: To investigate the general characteristics and the category of myoclonic epilepsy in infancy (MEI) with or without afebrile generalized tonic-clonic seizures (GTCS). METHODS: Thirty-three children were retrospectively recruited from approximately 42,814 video-electroencephalogram (VEEG) recordings monitored in our department over last nearly 10years. Myoclonic seizures (MS) must be identified by VEEG in all patients. The clinical, EEG features and outcome were analyzed among these patients...
July 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28711815/geschwind-syndrome-in-frontotemporal-lobar-degeneration-neuroanatomical-and-neuropsychological-features-over-9-years
#9
Laura Veronelli, Sara J Makaretz, Megan Quimby, Bradford C Dickerson, Jessica A Collins
Geschwind Syndrome, a characteristic behavioral syndrome frequently described in patients affected by temporal lobe epilepsy (TLE), consists of the following features: hyper-religiosity, hypergraphia, hyposexuality, and irritability. Here we report the 9-year-clinical course of a case of Geschwind Syndrome that developed as a first and salient clinical expression of right temporal lobe variant of frontotemporal lobar degeneration (FTLD). Only one patient affected by frontotemporal dementia has previously been shown to present with Geschwind Syndrome...
June 27, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28711742/microcephaly-with-simplified-gyral-pattern-epilepsy-and-permanent-neonatal-diabetes-syndrome-meds-a-new-patient-and-review-of-the-literature
#10
Irene Valenzuela, Susana Boronat, Elena Martínez-Sáez, María Clemente, Ángel Sánchez-Montañez, Francina Munell, Antonio Carrascosa, Alfons Macaya
Microcephaly with simplified gyration, epilepsy and permanent neonatal diabetes syndrome (MEDS) is a recently described, autosomal recessive-inherited syndrome. We report the case of an infant presenting with lethargy at age five weeks and clinical findings of persistent hyperglycaemia and microcephaly with simplified gyration, suggestive of MEDS. The diagnosis was confirmed by the detection of a known c.233 T > C mutation in the IER3IP1 gene. Only eight cases of MEDS have been reported in the literature...
July 12, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28709814/the-therapeutic-implication-of-a-novel-scn2a-mutation-associated-early-onset-epileptic-encephalopathy-with-rett-like-features
#11
Jao-Shwann Liang, Li-Ju Lin, Ming-Tao Yang, Jinn-Shyan Wang, Jyh-Feng Lu
Epileptic encephalopathies are highly heterogeneous and phenotypical disorders with different underlying genetic defects. Mutations in the SCN2A gene cause different epilepsy syndromes, including epilepsy of infancy with migrating focal seizures, Ohtahara syndrome, and West syndrome. We utilized a targeted next generation sequencing (NGS) approach on a girl with early-onset seizures and Rett-like features, including autistic behavior, limited hand function with chorea, and profound intellectual disability, to identify novel missense mutation (c...
July 11, 2017: Brain & Development
https://www.readbyqxmd.com/read/28708947/kv10-1-potassium-channel-from-the-brain-to-the-tumors
#12
Verna Cázares-Ordoñez, Luis A Pardo
<i>KCNH1</i> gene encodes the Kv10.1 (Eag1) ion channel, a member of the EAG (ether-à-go-go) family of voltage-gated potassium channels. Recent studies have demonstrated that <i>KCHN1</i> mutations are implicated in Temple-Baraitser and Zimmermann-Laband syndromes and other forms of developmental deficits that all present with mental retardation and epilepsy, suggesting that Kv10.1 might be important for cognitive development in human. Although Kv10.1 channel is mainly expressed in the mammalian brain, its ectopic expression occurs in 70% of human cancers...
July 14, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28704161/cardiovascular-safety-of-low-dose-fenfluramine-in-dravet-syndrome-a-review-of-its-benefit-risk-profile-in-a-new-patient-population
#13
An-Sofie Schoonjans, Fabienne Marchau, Bernard P Paelinck, Lieven Lagae, Arnold Gammaitoni, Milka Pringsheim, Martin G Keane, Berten Ceulemans
OBJECTIVE: Dravet syndrome (DS) is a rare, treatment-resistant epilepsy syndrome for which current treatment regimens are often ineffective. Fenfluramine is currently in development for treatment of DS based on reports in the 1980s and 1990s of its antiepileptic activity in pediatric patients with intractable epilepsy. However, fenfluramine was withdrawn from global markets in 1997 following reports of its association with pulmonary hypertension and heart valve disease in adult patients treated for obesity...
July 13, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28703446/paroxysmal-dyskinesia-in-border-terriers-clinical-epidemiological-and-genetic-investigations
#14
Q E M Stassen, L L E Koskinen, F G van Steenbeek, E H Seppälä, T S Jokinen, P G M Prins, H G J Bok, M M J M Zandvliet, M Vos-Loohuis, P A J Leegwater, H Lohi
BACKGROUND: In the last decade, a disorder characterized by episodes of involuntary movements and dystonia has been recognized in Border Terriers. OBJECTIVES: To define clinical features of paroxysmal dyskinesia (PD) in a large number of Border Terriers and to study the genetics of the disease. ANIMALS: 110 affected and 128 unaffected client-owned Border Terriers. METHODS: A questionnaire regarding clinical characteristics of PD was designed at Utrecht University and the University of Helsinki...
July 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28691158/anticonvulsant-effect-of-cannabinoid-receptor-agonists-in-models-of-seizures-in-developing-rats
#15
Megan N Huizenga, Evan Wicker, Veronica C Beck, Patrick A Forcelli
OBJECTIVE: Although drugs targeting the cannabinoid system (e.g., CB1 receptor agonists) display anticonvulsant efficacy in adult animal models of seizures/epilepsy, they remain unexplored in developing animal models. However, cannabinoid system functions emerge early in development, providing a rationale for targeting this system in neonates. We examined the therapeutic potential of drugs targeting the cannabinoid system in three seizure models in developing rats. METHODS: Postnatal day (P) 10, Sprague-Dawley rat pups were challenged with the chemoconvulsant methyl-6,7-dimethoxy-4-ethyl-beta-carboline-3-carboxylate (DMCM) or pentylenetetrazole (PTZ), after treatment with either CB1/2 mixed agonist (WIN 55,212-2), CB1 agonist (arachidonyl-2'-chloroethylamide [ACEA]), CB2 agonist (HU-308), CB1 antagonist (AM-251), CB2 antagonist (AM-630), fatty acid amide hydrolase inhibitor (URB-597), or G protein-coupled receptor 55 agonist (O-1602)...
July 10, 2017: Epilepsia
https://www.readbyqxmd.com/read/28690234/-pcdh19-gene-mutations-lead-to-epilepsy-with-mental-retardation-limited-to-females-in-2-cases-and-literature-review
#16
Li Yang, Ahmed Arafat, Jing Peng, Chen Chen, Yuping Ma, Fei Yin
Epilepsy with mental retardation limited to females (EFMR) is a syndrome characterized by early onset heat-sensitive epilepsy of infancy or early childhood and generally limited to females, which previously reported that the cadherin gene superfamily subtype protocadherin 19 (PCDH19) gene is its pathogenic gene. We retrospectively analyzed the clinical data for 2 cases of EFMR patients with PCDH19 mutation diagnosed by Department of Pediatric Neurology of Xiangya Hospital, Central South University in 2015. Literature on PubMed, OMIM and HGMD relevant to this syndrome was reviewed, and the clinical characteristics were summarized accordingly...
June 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28689466/early-diagnosis-and-treatment-of-lennox-gastaut-syndrome
#17
Trevor Resnick, Raj D Sheth
Lennox-Gastaut syndrome (LGS) is a severe form of childhood-onset epilepsy associated with high morbidity and mortality. The peak period for manifestations of Lennox-Gastaut syndrome is between ages 3 and 5 years, a time of critical brain development and corresponding vulnerability to the electroclinical dysfunction arising from Lennox-Gastaut syndrome. Diagnosis is based on a triad of symptoms: multiple seizure types, cognitive impairment, and slow spike-and-wave pattern on electroencephalography. In practice, Lennox-Gastaut syndrome presentation is diverse, and there may be a delay between initial symptoms and emergence of the full triad of clinical features...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28689437/the-effect-of-antiepileptic-drugs-on-the-kidney-function-and-structure
#18
S Hamed
Abtract Introduction: Long-term use of antiepileptic drugs (AEDs) is associated with number of somatic conditions. Data from experimental, cross-sectional and prospective studies have evidence for the deleterious effect of some AEDs on the kidney. Areas Covered: This review summarized the current knowledge of the effect of AEDs on the kidney including evidence and mechanisms. Fanconi syndrome was reported with valproate (VPA) therapy in severely disabled children with epilepsy. Renal tubular acidosis and urolithiasis were reported with acetazolamide, topirmate and zonisamide, drugs with carbonic anhydrase inhibition properties...
July 10, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28689294/cerebellar-disease-associated-with-anti-glutamic-acid-decarboxylase-antibodies-review
#19
REVIEW
José Fidel Baizabal-Carvallo, Marlene Alonso-Juarez
Several neurological syndromes have been recognized associated to GAD antibodies. Among those disorders, cerebellar ataxia (CA) is one of the most common, along with stiff-person syndrome. Patients with GAD associated CA present with a progressive pancerebellar syndrome, with a subacute or chronic evolution, along with other neurological manifestations such as stiffness, oculomotor dysfunction, epilepsy, and cognitive dysfunction. These symptoms may be preceded by the so-called "brainstem attacks", where manifestations consistent with transient dysfunction of the brainstem may be observed...
July 8, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28688852/cdkl5-controls-postsynaptic-localization-of-glun2b-containing-nmda-receptors-in-the-hippocampus-and-regulates-seizure-susceptibility
#20
Kosuke Okuda, Shizuka Kobayashi, Masahiro Fukaya, Aya Watanabe, Takuto Murakami, Mai Hagiwara, Tempei Sato, Hiroe Ueno, Narumi Ogonuki, Sayaka Komano-Inoue, Hiroyuki Manabe, Masahiro Yamaguchi, Atsuo Ogura, Hiroshi Asahara, Hiroyuki Sakagami, Masashi Mizuguchi, Toshiya Manabe, Teruyuki Tanaka
Mutations in the Cyclin-dependent kinase-like 5 (CDKL5) gene cause severe neurodevelopmental disorders accompanied by intractable epilepsies, i.e. West syndrome or atypical Rett syndrome. Here we report generation of the Cdkl5 knockout mouse and show that CDKL5 controls postsynaptic localization of GluN2B-containing N-methyl-d-aspartate (NMDA) receptors in the hippocampus and regulates seizure susceptibility. Cdkl5 -/Y mice showed normal sensitivity to kainic acid; however, they displayed significant hyperexcitability to NMDA...
July 6, 2017: Neurobiology of Disease
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