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Status epilepticus

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https://www.readbyqxmd.com/read/28922287/pregabalin-toxicity-manifesting-as-reversible-encephalopathy-with-continuous-triphasic-waves-in-electroencephalogram
#1
Mihir Parekh, Gopal Krishna Dash, Isthiaque Ahamed
A 74-year-old man with peripheral neuropathy due to diabetes presented with deliberate ingestion of 450 mg of pregabalin (PBG) over a period of 8 hours followed by altered mental status. A bedside electroencephalogram was performed to rule out nonconvulsive status epilepticus, which showed continuous triphasic waves (TWs) with slow background activity. He recovered after 48 hours of stopping PBG, and his repeat electroencephalogram after 72 hours did not show any TWs. We present a rare case of PBG-induced TWs thereby highlighting the extent of the etiologic spectrum of TWs and discussing the literature related to this association...
September 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28919853/p47phox-cdk5-drp1-mediated-mitochondrial-fission-evokes-pv-cell-degeneration-in-the-rat-dentate-gyrus-following-status-epilepticus
#2
Ji-Eun Kim, Tae-Cheon Kang
Parvalbumin (PV) is one of the calcium-binding proteins, which plays an important role in the responsiveness of inhibitory neurons to an adaptation to repetitive spikes. Furthermore, PV neurons are highly vulnerable to status epilepticus (SE, prolonged seizure activity), although the underlining mechanism remains to be clarified. In the present study, we found that p47Phox expression was transiently and selectively increased in PV neurons 6 h after SE. This up-regulated p47Phox expression was accompanied by excessive mitochondrial fission...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28919386/comparison-of-lacosamide-versus-sodium-valproate-in-status-epilepticus-a-pilot-study
#3
Usha K Misra, Deepanshu Dubey, Jayantee Kalita
PURPOSE: The purpose of this study was to compare the efficacy and safety of lacosamide (LCM) and sodium valproate (SVA) in lorazepam (LOR)-resistant SE. METHODS: Patients with LOR-resistant SE were randomized to intravenous LCM 400mg at the rate of 60mg/kg/min or SVA 30mg/kg at the rate of 100mg/min. The SE severity score (STESS), duration of SE and its etiology, and MRI findings were noted. Primary outcome was seizure cessation for 1h, and secondary outcomes were 24h seizure remission, in-hospital death, and severe adverse events (SAE)...
September 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28913605/emergency-neurological-life-support-status-epilepticus
#4
Jan Claassen, Joshua N Goldstein
Patients with prolonged or rapidly recurring convulsions lasting more than 5 min should be considered to be in status epilepticus (SE) and receive immediate resuscitation. Although there are few randomized clinical trials, available evidence and experience suggest that early and aggressive treatment of SE improves patient outcomes, for which reason this was chosen as an Emergency Neurological Life Support protocol. The current approach to the emergency treatment of SE emphasizes rapid initiation of adequate doses of first line therapy, as well as accelerated second line anticonvulsant drugs and induced coma when these fail, coupled with admission to a unit capable of neurological critical care and electroencephalography monitoring...
September 14, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28912503/systematic-review-and-meta-analysis-of-differentially-expressed-mirnas-in-experimental-and-human-temporal-lobe-epilepsy
#5
A Korotkov, J D Mills, J A Gorter, E A van Vliet, E Aronica
Temporal lobe epilepsy (TLE) is a common chronic neurological disease in humans. A number of studies have demonstrated differential expression of miRNAs in the hippocampus of humans with TLE and in animal models of experimental epilepsy. However, the dissimilarities in experimental design have led to largely discordant results across these studies. Thus, a comprehensive comparison is required in order to better characterize miRNA profiles obtained in various post-status epilepticus (SE) models. We therefore created a database and performed a meta-analysis of differentially expressed miRNAs across 3 post-SE models of epileptogenesis (electrical stimulation, pilocarpine and kainic acid) and human TLE with hippocampal sclerosis (TLE-HS)...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28904588/a-case-of-epilepsia-partialis-continua-due-to-linear-nevus-syndrome-with-hemimegalencephaly
#6
Leema Pauline Cornelius, Vivekasaravanan Raju, Ravi A Lalapet
Epilepsia partialis continua (EPC) is a form of focal status epilepticus often refractory to anticonvulsant therapy. A wide range of abnormalities such as inflammatory, vascular, metabolic-toxic, developmental malformations, and neoplasia cause EPC. Linear nevus syndrome with hemimegalencephaly is one of the developmental malformations that can present with EPC.
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28904468/gyriform-infarction-in-cerebral-air-embolism-imaging-mimicker-of-status-epilepticus
#7
Konark Malhotra, Appaji Rayi
Cerebral air embolism (CAE) is a potentially fatal iatrogenic complication related to common procedures including central venous catheter (CVC) removal. We report an interesting case of CAE related to CVC removal that was further complicated with status epilepticus. Neuroimaging of CAE and status epilepticus could pose diagnostic dilemmas and require consideration of wide diagnostic differentials. We discuss the clinical presentation, mechanism, and diagnostic approach, especially neuroimaging to differentiate various etiologies in CAE patients...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28902712/attenuation-of-pentylenetrazole-induced-acute-status-epilepticus-in-rats-by-adenosine-involves-inhibition-of-the-mammalian-target-of-rapamycin-pathway
#8
Yuliang Wang, Xuewu Liu, Yuan Wang, Jinbo Chen, Tao Han, Lei Su, Kejun Zang
Adenosine (ADO) has been characterized as an endogenous anticonvulsant and alternative therapeutic drug, but its mechanism is not entirely clear. This study aimed to examine the relationship of ADO with the mammalian target of rapamycin (mTOR) in a Wistar rat model of pentylenetetrazole (PTZ)-induced acute status epilepticus. ADO (200 mg/kg) was administered intraperitoneally 30 min before PTZ (55-65 mg/kg) treatment, and Western blot assays and immunohistochemistry were performed 3 h after the onset of acute status epilepticus to detect phospho-TOR and the downstream target of mTOR, phospho-S6...
September 11, 2017: Neuroreport
https://www.readbyqxmd.com/read/28900444/more-than-a-decade-of-misdiagnosis-of-alternating-hemiplegia-of-childhood-with-catastrophic-outcome
#9
Hussein Algahtani, Bashair Ibrahim, Bader Shirah, Ahmad Aldarmahi, Ahad Abdullah
Alternating hemiplegia of childhood (AHC) is a distinct clinical disorder characterized by recurrent episodes of hemiplegia, abnormal ocular movement, and progressive developmental delay. It is an extremely rare genetic disorder related to ATP1A3 gene mutations. In this paper, we present a case of AHC in which the diagnosis was missed for many years until severe hypoxic brain insult occurred from prolonged status epilepticus. Not only we are presenting an interesting clinical entity and radiological images, but also we are shedding the light on a rare genetic disease with catastrophic sequelae...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28899640/status-epilepticus-in-pregnancy-etiology-management-and-clinical-outcomes
#10
Keni Ravish Rajiv, Ashalatha Radhakrishnan
BACKGROUND: Status epilepticus (SE) in pregnancy carries significant risk to both mother and fetus. There is limited literature available on SE occurring in pregnancy world-over, with majority being from obstetric centers. METHODS: All women who developed SE related to pregnancy (gestation, labor, or puerperium) between January 2000 and December 2016 were included in the study. Data were collected from our SE registry, maintained, and archived in the institute. The variables influencing the maternal and fetal outcome were compared using Student's t-test for continuous variables and Fisher's exact test for discrete variables...
September 9, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28899505/an-alkaloid-extract-obtained-from-phlegmariurus-saururus-induces-neuroprotection-after-status-epilepticus
#11
Víctor Danelon, Laura Montroull, Mariana Vallejo, José Cabrera, Alicia Agnese, María Gabriela Ortega, Daniel Mascó
BACKGROUND: The brain is exposed to many excitotoxic insults that can lead to neuronal damage. Among these, Epilepsy is a neurological disease that affects a large percentage of world population and is commonly associated with cognitive disorders and excitotoxic neuronal death. Most experimental strategies are focused on preventing Status Epilepticus (SE), but once it has already occurred, the key question is whether it is possible to save neurons. PURPOSE: The aim of this study was to determine if a purified alkaloid extract (AE) obtained from Phlegmariurus saururus, a genus of Lycophyte plants (sometimes known as firmossesor fir club mosses) could induce neuroprotection following SE...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28898171/febrile-infection-related-epilepsy-syndrome-fires-a-literature-review-and-case-study
#12
Kristy Fox, Mary Ellen Wells, Michael Tennison, Bradley Vaughn
Febrile infection-related epilepsy syndrome (FIRES) is a catastrophic epileptic syndrome that strikes previously healthy children aged 3-15 years and has an unknown pathogenesis and few treatments. These children experience a nonspecific febrile illness that is followed by prolonged refractory status epilepticus. Although the etiology is unknown, FIRES has a biphasic presentation, with the acute phase beginning as seizure activity lasting 1-12 weeks, then followed by the chronic phase, which is characterized by refractory seizures that cluster every 2-4 weeks, and may continue to be multifocal and independent...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28892919/plasma-exchange-as-a-therapeutic-modality-in-a-rare-case-of-cryptogenic-new-onset-refractory-status-epilepticus-norse
#13
Manisha Shrivastava, Smita Chouhan, Seema Navaid
Refractory Status Epilepticus (RSE) not responding to any therapy and not associated with any aetiology has been termed as New Onset Refractory Status Epilepticus (NORSE). Guidelines for optimal management of cryptogenic NORSE are not clearly defined so far in the literature. Other than common medication, use of high-dose steroids, IV immune globulins and plasma exchanges in NORSE of unknown aetiology have been scarcely described. Immunomodulatory therapy like plasmapheresis is based on the fact that a pathological substance exists in the plasma that contributes to the disease process and its symptoms, which gets removed...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892741/effect-of-diet-with-omega-3-in-basal-brain-electrical-activity-and-during-status-epilepticus-in-rats
#14
Daniella Tavares Pessoa, Eva Luana Almeida da Silva, Edbhergue Ventura Lola Costa, Romildo Albuquerque Nogueira
Western diets are high in saturated fat and low in omega-3. Certain animals cannot produce omega-3 from their own lipids, making it necessary for it to be acquired from the diet. However, omega-3s are important components of the plasma membrane, and altering their proportions can promote physical and chemical alterations in the membranes, which may modify neuronal excitability. These alterations occur in healthy individuals, as well as in patients with epilepsy who are more sensitive to changes in brain electrical activity...
September 1, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28891483/emergency-surgery-for-refractory-status-epilepticus
#15
Abhijeet Botre, Vrajesh Udani, Neelu Desai, Spoorthy Jagadish, Milind Sankhe
BACKGROUND: Management of refractory status epilepticus in children is extremely challenging. CASE CHARACTERISTICS: Two children with medically refractory status epilepticus, both of whom had lesional pathology on MRI and concordant data on EEG and PET scan. INTERVENTION: Emergency hemispherotomy performed in both patients. A complete, sustained seizure freedom obtained postoperatively. MESSAGE: Emergency surgery is a treatment option in selected cases of drug refractory status epilepticus with lesional pathology and concordant data...
August 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28886496/convulsive-status-epilepticus-in-a-quaternary-hospital-paediatric-intensive-care-unit-picu-in-south-africa-an-8-year-review
#16
Yavini Reddy, Yusentha Balakrishna, Lawrence Mubaiwa
PURPOSE: Convulsive status epilepticus (CSE) is associated with a high morbidity and mortality. This study aimed to describe the clinical profile, aetiology, neuroimaging and EEG findings as well as outcome of children with CSE in Sub-Saharan Africa. METHODS: This was a retrospective analysis of electronic records of children with CSE admitted to the Paediatric Intensive Care Unit (PICU) over an 8-year period from January 2007 to December 2014. RESULTS: Seventy six patients were admitted to the PICU with CSE and 55(72%) had refractory status epilepticus...
August 2, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28884208/lacosamide-treatment-of-childhood-refractory-focal-epilepsy-the-first-reported-side-effect-in-paediatric-patients
#17
Edibe Pembegul Yildiz, Melis Ulak Ozkan, Gonca Bektas, Tuğçe Aksu Uzunhan, Nur Aydinli, Mine Caliskan, Meral Ozmen
PURPOSE: Lacosamide (LCM) is an effective antiepileptic drug (AED) approved for the treatment of focal epilepsy in both children and adults. The aim of this observational study was to review our centre's experience with LCM and to characterise its efficacy and tolerability as an adjunct therapy in children with refractory focal epilepsy. METHODS: We retrospectively reviewed the medical records of 12 paediatric patients who underwent treatment with LCM from January 2014 to December 2015...
September 7, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28872451/incidence-of-seizure-in-stroke-patients-treated-with-recombinant-tissue-plasminogen-activator-a-systematic-review-and-meta-analysis
#18
Alain Lekoubou, Jean Joël Awoumou, André Pascal Kengne
Background Recombinant tissue plasminogen activator is the only FDA-approved thrombolytic agent for acute stroke treatment. However, there are concerns that recombinant tissue plasminogen activator may increase the risk of seizures (including early and late seizures). Aims We performed a systematic review to assess the incidence of seizures and the association of recombinant tissue plasminogen activator with seizure occurrence. Summary of review We searched major databases for articles published between 1995 and February 2016...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28872032/atlas-of-electroencephalography-3rd-edition
#19
Ali Akbar Asadi-Pooya, Dennis Dlugos, Christopher Skidmore, Michael R Sperling
Electroencephalography (EEG) is the recording of the electrical activity of the brain. EEG is a reliable test to assess cerebral function. It aids in diagnosis, classification, and management of patients with epilepsy. It also has practical uses in conditions other than epilepsy. Moreover, it is harmless and inexpensive. EEG is an important tool for evaluating patients with epilepsy. It may help classify the syndrome, identify the likely source of focal seizures, and confirm a diagnosis of status epilepticus...
September 5, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28870089/mitogen-and-stress-activated-protein-kinase-1-regulates-status-epilepticus-evoked-cell-death-in-the-hippocampus
#20
Yun-Sik Choi, Paul Horning, Sydney Aten, Kate Karelina, Diego Alzate-Correa, J Simon C Arthur, Kari R Hoyt, Karl Obrietan
Mitogen-activated protein kinase (MAPK) signaling has been implicated in a wide range of neuronal processes, including development, plasticity, and viability. One of the principal downstream targets of both the extracellular signal-regulated kinase/MAPK pathway and the p38 MAPK pathway is Mitogen- and Stress-activated protein Kinase 1 (MSK1). Here, we sought to understand the role that MSK1 plays in neuroprotection against excitotoxic stimulation in the hippocampus. To this end, we utilized immunohistochemical labeling, a MSK1 null mouse line, cell viability assays, and array-based profiling approaches...
September 2017: ASN Neuro
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