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Status Epilepsy

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https://www.readbyqxmd.com/read/27905510/remarkable-alterations-of-nav1-6-in-reactive-astrogliosis-during-epileptogenesis
#1
Hongyan Zhu, Yuxiao Zhao, Hao Wu, Nan Jiang, Ziyi Wang, Weide Lin, Jiahui Jin, Yonghua Ji
Voltage-gated sodium channels (VGSCs) play a vital role in controlling neuronal excitability. Nav1.6 is the most abundantly expressed VGSCs subtype in the adult central nervous system and has been found to contribute to facilitate the hyperexcitability of neurons after electrical induction of status epilepticus (SE). To clarify the exact expression patterns of Nav1.6 during epileptogenesis, we examined the expression of Nav1.6 at protein and mRNA levels in two distinct animal models of temporal lobe epilepsy (TLE) including a post-SE model induced by kainic acid (KA) intrahippocampal injection and a kindling model evoked by pentylenetetrazole (PTZ)...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27901260/aliocha-dostoevski-s-death-during-an-epileptic-seizure
#2
Edson José Amâncio, Pedro André Kowacs, Bruno Toshio Takeshita, Fábio Augusto Nascimento, Hélio Afonso Ghizoni Teive
Mortality due to epilepsy is of great concern worldwide. Individuals with epilepsy have a two- or three-fold risk of death when compared to the general population. Based on biographical data and Anna Grigoriévna Dostoevskaia's memories, the authors concluded that a prolonged episode of status epilepticus was the culprit in the death of young Aliocha, youngest son of Fyodor Mikhailovich and Anna Dostoevski. At the time of Aliocha's death, very limited knowledge about epilepsy or therapeutic resources was available...
November 2016: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/27890882/a-case-of-brugada-syndrome-which-developed-status-epilepticus
#3
Misa Matsui, Kimiko Inoue, Harutoshi Fujimura, Saburo Sakoda
A 35-year-old man showed a convulsive attack with consciousness loss and was suspected of having Brugada syndrome 6 months prior to admission to our hospital. At the initial examination, the patient showed conjugate deviation, followed by left limb convulsions and consciousness loss. He regained consciousness after 1 minute, though cardiac arrest from ventricular fibrillation was noted during an electroencephalography (EEG) examination. Sinus rhythm recovered with defibrillation, though the convulsions persisted and a Status Epilepticus developed...
November 25, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27889818/somatosensory-reflex-seizures-in-a-child-with-epilepsy-related-to-novel-scn1a-mutation
#4
Pinar Arican, Nihal Olgac Dundar, Dilek Cavusoglu, Taha Resid Ozdemır, Pinar Gencpinar
INTRODUCTION: Mutations in SCN1A have been reported in patients with different types of epilepsy, including generalized epilepsy with febrile seizures plus, severe myoclonic epilepsy in infancy, malignant migrating partial seizures in infancy, and other infantile epileptic encephalopathies. CASE REPORT: We report a case of a 10-month-old girl presented with reflex epileptic seizures provoked by somatosensory stimuli with a novel de novo mutation of SCN1A gene. She was observed to have seizures with eye deviation, unresponsiveness provoked by somatosensory stimuli of the face...
November 26, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27888520/identifying-the-epileptogenic-zone-in-interictal-resting-state-meg-source-space-networks
#5
Ida A Nissen, Cornelis J Stam, Jaap C Reijneveld, Ilse E C W van Straaten, Eef J Hendriks, Johannes C Baayen, Philip C De Witt Hamer, Sander Idema, Arjan Hillebrand
OBJECTIVE: In one third of patients, seizures remain after epilepsy surgery, meaning that improved preoperative evaluation methods are needed to identify the epileptogenic zone. A potential framework for such a method is network theory, as it can be applied to noninvasive recordings, even in the absence of epileptiform activity. Our aim was to identify the epileptogenic zone on the basis of hub status of local brain areas in interictal magnetoencephalography (MEG) networks. METHODS: Preoperative eyes-closed resting-state MEG recordings were retrospectively analyzed in 22 patients with refractory epilepsy, of whom 14 were seizure-free 1 year after surgery...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27888514/the-burden-of-premature-mortality-of-epilepsy-in-high-income-countries-a-systematic-review-from-the-mortality-task-force-of-the-international-league-against-epilepsy
#6
REVIEW
David J Thurman, Giancarlo Logroscino, Ettore Beghi, W Allen Hauser, Dale C Hesdorffer, Charles R Newton, Fulvio Alexandre Scorza, Josemir W Sander, Torbjörn Tomson
Since previous reviews of epidemiologic studies of premature mortality among people with epilepsy were completed several years ago, a large body of new evidence about this subject has been published. We aim to update prior reviews of mortality in epilepsy and to reevaluate and quantify the risks, potential risk factors, and causes of these deaths. We systematically searched the Medline and Embase databases to identify published reports describing mortality risks in cohorts and populations of people with epilepsy...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27888509/functional-properties-of-granule-cells-with-hilar-basal-dendrites-in-the-epileptic-dentate-gyrus
#7
Tony Kelly, Heinz Beck
OBJECTIVE: The maturation of adult-born granule cells and their functional integration into the network is thought to play a key role in the proper functioning of the dentate gyrus. In temporal lobe epilepsy, adult-born granule cells in the dentate gyrus develop abnormally and possess a hilar basal dendrite (HBD). Although morphological studies have shown that these HBDs have synapses, little is known about the functional properties of these HBDs or the intrinsic and network properties of the granule cells that possess these aberrant dendrites...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27888506/rapid-and-safe-response-to-low-dose-carbamazepine-in-neonatal-epilepsy
#8
Tristan T Sands, Martina Balestri, Giulia Bellini, Sarah B Mulkey, Olivier Danhaive, Eliza Hayes Bakken, Maurizio Taglialatela, Michael S Oldham, Federico Vigevano, Gregory L Holmes, Maria Roberta Cilio
OBJECTIVE: To evaluate treatment responses in benign familial neonatal epilepsy (BFNE). METHODS: We recruited patients with BFNE through a multicenter international collaboration and reviewed electroclinical and genetic details, and treatment response. All patients were tested at minimum for mutations/deletions in the KCNQ2, KCNQ3, and SCN2A genes. RESULTS: Nineteen patients were included in this study. A family history of neonatal seizures was positive in 16 patients, and one additional patient had a family history of infantile seizures...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27878767/phenobarbital-versus-valproate-for-generalized-convulsive-status-epilepticus-in-adults-a-prospective-randomized-controlled-trial-in-china
#9
Yingying Su, Gang Liu, Fei Tian, Guoping Ren, Mengdi Jiang, Brian Chun, Yunzhou Zhang, Yan Zhang, Hong Ye, Daiquan Gao, Weibi Chen
OBJECTIVE: Although generalized convulsive status epilepticus (GCSE) is a life-threatening emergency, evidence-based data to guide initial drug treatment choices are lacking in the Chinese population. We conducted this prospective, randomized, controlled trial to evaluate the relative efficacy and safety of intravenous phenobarbital and valproate in patients with GCSE. METHODS: After the failure of first-line diazepam treatment, Chinese adult patients with GCSE were randomized to receive either intravenous phenobarbital (standard doses, low rate) or valproate (standard)...
November 23, 2016: CNS Drugs
https://www.readbyqxmd.com/read/27878438/interdependence-of-clinical-factors-predicting-cognition-in-children-with-tuberous-sclerosis-complex
#10
I E Overwater, B J H Verhaar, H F Lingsma, G C B Bindels-de Heus, A M W van den Ouweland, M Nellist, L W Ten Hoopen, Y Elgersma, H A Moll, M C Y de Wit
Cognitive development in patients with tuberous sclerosis complex is highly variable. Predictors in the infant years would be valuable to counsel parents and to support development. The aim of this study was to confirm factors that have been reported to be independently correlated with cognitive development. 102 patients included in this study were treated at the ENCORE-TSC expertise center of the Erasmus Medical Center-Sophia Children's Hospital. Data from the first 24 months of life were used, including details on epilepsy, motor development and mutation status...
November 22, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27875769/status-epilepticus-in-pregnant-women-with-epilepsy-after-valproate-adjustment-a-case-series
#11
Mengqian Wu, Nanya Hao, Bo Yan, Xiaosa Chi, Dong Zhou
PURPOSE: Valproate is an effective wide-spectrum anti-epileptic drug that is also known to be teratogenic. Its administration in epileptic women remains controversial. This report aims to draw more attention to valproate adjustment before and during pregnancy. METHODS: We collected medical records of pregnant women with epilepsy at West China Hospital in Chengdu, China who developed status epilepticus during pregnancy after valproate withdrawal or reduction in dose from January 2013 to July 2015...
November 14, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27873133/altered-expression-of-cxcl13-and-cxcr5-in-intractable-temporal-lobe-epilepsy-patients-and-pilocarpine-induced-epileptic-rats
#12
Ruohan Li, Limin Ma, Hao Huang, Shu Ou, Jinxian Yuan, Tao Xu, Xinyuan Yu, Xi Liu, Juan Yang, Yangmei Chen, Xi Peng
The mechanisms that underlie the pathogenesis of epilepsy are still unclear. Recent studies have indicated that inflammatory processes occurring in the brain are involved in a common and crucial mechanism in epileptogenesis. C-X-C motif chemokine ligand 13 (CXCL13) and its only receptor, C-X-C motif chemokine receptor 5 (CXCR5), are highly expressed in the central nervous system (CNS) and participate in inflammatory responses. The present study aimed to assess the expression of CXCL13 and CXCR5 in the brain tissues of both patients with intractable epilepsy (IE) and a rat model (lithium-pilocarpine) of temporal lobe epilepsy (TLE) to identify possible roles of the CXCL13-CXCR5 signaling pathway in epileptogenesis...
November 21, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27872690/the-effects-of-kainic-acid-induced-seizure-on-gene-expression-of-brain-neurotransmitter-receptors-in-mice-using-rt-2-pcr-array
#13
Taghi Naserpour Farivar, Marjan Nassiri-Asl, Pouran Johari, Reza Najafipour, Farid Hajiali
INTRODUCTION: Kainic acid (KA) induces neuropathological changes in specific regions of the mouse hippocampus comparable to changes seen in patients with chronic temporal lobe epilepsy (TLE). According to different studies, the expression of a number of genes are altered in the adult rat hippocampus after status epilepticus (SE) induced by KA. This study aimed to quantitatively evaluate changes in the gene expression of brain neurotransmitter receptors one week after administration of kainic acid in the mouse hippocampus...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27871516/pediatric-patients-on-ketogenic-diet-undergoing-general-anesthesia-a-medical-record-review
#14
Elif Soysal, Heike Gries, Carter Wray
STUDY OBJECTIVE: To identify guidelines for anesthesia management and determine whether general anesthesia is safe for pediatric patients on ketogenic diet (KD). DESIGN: Retrospective medical record review. SETTING: Postoperative recovery area. PATIENTS: All pediatric patients who underwent general anesthesia while on KD between 2009 and 2014 were reviewed. We identified 24 patients who underwent a total of 33 procedures...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27865173/accelerated-cognitive-decline-in-a-rodent-model-for-temporal-lobe-epilepsy
#15
Sandra Schipper, Marlien W Aalbers, Kim Rijkers, Melanie Lagiere, Jan G Bogaarts, Arjan Blokland, Sylvia Klinkenberg, Govert Hoogland, Johan S H Vles
OBJECTIVE: Cognitive impairment is frequently observed in patients with temporal lobe epilepsy. It is hypothesized that cumulative seizure exposure causes accelerated cognitive decline in patients with epilepsy. We investigated the influence of seizure frequency on cognitive decline in a rodent model for temporal lobe epilepsy. METHODS: Neurobehavioral assessment was performed before and after surgery, after the induction of self-sustaining limbic status epilepticus (SSLSE), and in the chronic phase in which rats experienced recurrent seizures...
November 16, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27864833/structured-clinical-documentation-in-the-electronic-medical-record-to-improve-quality-and-to-support-practice-based-research-in-epilepsy
#16
Jaishree Narayanan, Sofia Dobrin, Janet Choi, Susan Rubin, Anna Pham, Vimal Patel, Roberta Frigerio, Darryck Maurer, Payal Gupta, Lourdes Link, Shaun Walters, Chi Wang, Yuan Ji, Demetrius M Maraganore
OBJECTIVE: Using the electronic medical record (EMR) to capture structured clinical data at the point of care would be a practical way to support quality improvement and practice-based research in epilepsy. METHODS: We describe our stepwise process for building structured clinical documentation support tools in the EMR that define best practices in epilepsy, and we describe how we incorporated these toolkits into our clinical workflow. RESULTS: These tools write notes and capture hundreds of fields of data including several score tests: Generalized Anxiety Disorder-7 items, Neurological Disorders Depression Inventory for Epilepsy, Epworth Sleepiness Scale, Quality of Life in Epilepsy-10 items, Montreal Cognitive Assessment/Short Test of Mental Status, and Medical Research Council Prognostic Index...
November 19, 2016: Epilepsia
https://www.readbyqxmd.com/read/27860192/metabolite-profiling-of-whole-murine-embryos-reveals-metabolic-perturbations-associated-with-maternal-valproate-induced-neural-tube-closure-defects
#17
Darya Akimova, Bogdan J Wlodarczyk, Ying Lin, M Elizabeth Ross, Richard H Finnell, Qiuying Chen, Steven S Gross
BACKGROUND: Valproic acid (VPA) is prescribed therapeutically for multiple conditions, including epilepsy. When taken during pregnancy, VPA is teratogenic, increasing the risk of several birth and developmental defects including neural tube defects (NTDs). The mechanism by which VPA causes NTDs remains controversial and how VPA interacts with folic acid (FA), a vitamin commonly recommended for the prevention of NTDs, remains uncertain. We sought to address both questions by applying untargeted metabolite profiling analysis to neural tube closure (NTC) stage mouse embryos...
November 18, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27860117/development-of-a-core-outcome-set-for-epilepsy-in-pregnancy-e-core-a-national-multi-stakeholder-modified-delphi-consensus-study
#18
B H Al Wattar, K Tamilselvan, R Khan, A Kelso, A Sinha, A M Pirie, D McCorry, K S Khan, S Thangaratinam
OBJECTIVE: To develop a set of core outcomes for studies on pregnant women with epilepsy. DESIGN: Delphi consensus study. POPULATION: Healthcare professionals, and patient representatives with lived experience of epilepsy in the UK. METHODS: We used a modified Delphi method and a consultation meeting to achieve consensus. Potential outcomes were identified by systematic review, and were scored using a Likert scale anchored between 1 (least important) and 5 (most important)...
November 16, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27859033/stereo-electroencephalography-guided-radiofrequency-thermocoagulation-seeg-guided-rf-tc-in-drug-resistant-focal-epilepsy-results-from-a-10-year-experience
#19
Pierre Bourdillon, Jean Isnard, Hélène Catenoix, Alexandra Montavont, Sylvain Rheims, Philippe Ryvlin, Karine Ostrowsky-Coste, François Mauguiere, Marc Guénot
OBJECTIVE: Stereo electroencephalography (SEEG)-guided radiofrequency thermocoagulation (SEEG-guided RF-TC) has been proposed since 2004 as a possible treatment of some focal drug-resistant epilepsy. The aim of this study is to provide extensive data about efficacy and safety of SEEG-guided RF-TC. METHODS: Over a 10-year period, 162 patients with drug-resistant focal epilepsy were eligible for SEEG-guided RF-TG during phase II invasive investigation by SEEG. All follow-up and safety data were collected prospectively...
November 16, 2016: Epilepsia
https://www.readbyqxmd.com/read/27858372/severe-respiratory-acidosis-in-status-epilepticus-as-a-possible-etiology-of-sudden-death-in-lesch-nyhan-disease-a-case-report-and-review-of-the-literature
#20
Alison Christy, William Nyhan, Jenny Wilson
INTRODUCTION: Lesch-Nyhan disease (LND) is an X-linked disorder of purine metabolism, associated with self-mutilation, dystonia, and chorea. Seizures are uncommon in LND. Patients with LND are at risk for sudden and unexpected death. The etiology of this is unknown, but appears to occur from a respiratory process. We propose that respiratory failure secondary to subclinical seizure may lead to sudden death in these patients. CASE: We report a case of an 11-year-old boy with LND who had two episodes of nocturnal gasping...
November 18, 2016: JIMD Reports
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