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https://www.readbyqxmd.com/read/28651171/the-relevance-of-inter-and-intrastrain-differences-in-mice-and-rats-and-their-implications-for-models-of-seizures-and-epilepsy
#1
REVIEW
Wolfgang Löscher, Russell J Ferland, Thomas N Ferraro
It is becoming increasingly clear that the genetic background of mice and rats, even in inbred strains, can have a profound influence on measures of seizure susceptibility and epilepsy. These differences can be capitalized upon through genetic mapping studies to reveal genes important for seizures and epilepsy. However, strain background and particularly mixed genetic backgrounds of transgenic animals need careful consideration in both the selection of strains and in the interpretation of results and conclusions...
June 23, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28651170/an-analysis-of-quality-of-life-qol-in-patients-with-epilepsy-and-comorbid-psychogenic-nonepileptic-seizures-pnes-after-vagus-nerve-stimulation-vns
#2
Andrew C Vivas, Christian J Reitano, Hena Waseem, Selim R Benbadis, Fernando L Vale
PURPOSE: Patients with epilepsy (PWE) may suffer from comorbid psychogenic nonepileptic seizures (PNES). The efficacy of vagus nerve stimulation (VNS) in the treatment of epilepsy and depression is established, however the impact on PNES is unknown. Since many patients with PNES have comorbid depression, we explored the impact on quality of life (QOL) that VNS has on PWE and PNES. METHODS: The video electroencephalogram (vEEG) of all patients who underwent VNS at our institution was reviewed...
June 23, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28651124/a-review-of-people-who-did-not-attend-an-epilepsy-clinic-and-their-clinical-outcomes
#3
I Minshall, A Neligan
PURPOSE: To review the clinical outcomes of people who failed to attend or failed subsequent follow up in a Primary Care based specialist epilepsy service. METHOD: The case notes of 200 people who had failed to initially attend the service or subsequent follow up from 2005 to 2013 were reviewed. RESULTS: Clinical outcomes were determined for 152 people, with the remaining 48 having left the area. For those not attending at all, 64% had no further recorded events, a further 22% came under alternative specialist care and were managed appropriately, 6% were already in remission at the time of referral or at follow up and stayed seizure free...
June 17, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28651123/seizures-enamel-defects-and-psychomotor-developmental-delay-the-first-patient-with-kohlsch%C3%A3-tter-t%C3%A3-nz-syndrome-caused-by-a-rogdi-gene-deletion
#4
Raphael Johannes Morscher, Christian Rauscher, Wolfgang Sperl, Olaf Rittinger
No abstract text is available yet for this article.
June 15, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28651086/age-at-first-febrile-seizure-correlates-with-perinatal-maternal-emotional-symptoms
#5
Fanny Thébault-Dagher, Catherine M Herba, Jean R Séguin, Gina Muckle, Sonia J Lupien, Lionel Carmant, Marie-Noëlle Simard, Gabriel D Shapiro, William D Fraser, Sarah Lippé
OBJECTIVE: Prenatal exposure to stress and fever are factors lowering seizure threshold in animal models. The fever effect on seizure threshold is well documented in human infants, however the associations between maternal perinatal stress and infants' susceptibility to seizures is unknown. This is the first study in humans to investigate longitudinally, whether in humans, the effect of maternal perinatal emotional symptoms such as stress, anxiety and depression that may trigger a biological stress response on age at first seizure occurrence...
June 10, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28649495/non-hyperammonaemic-valproate-encephalopathy-after-20%C3%A2-years-of-treatment
#6
Elizabeth Caruana Galizia, Jeremy D Isaacs, Hannah R Cock
Sodium valproate is a commonly used antiseizure drug with broad indications for different seizuretypes and epilepsy syndromes. Well-recognised side effects include weight gain, tremor, dizziness, and unsteadiness. Non-hyperammonaemic parkinsonism, with or without cognitive impairment, is a rare adverse effect of sodium valproate. We present the case of a sixty year-old lady with a generalized seizure disorder, treated with phenytoin, valproate, lamotrigine and clonazepam. Following withdrawal of phenytoin she developed an akinetic-rigid syndrome, with ataxia and marked cognitive impairment...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28649286/autism-spectrum-disorder-and-epileptic-encephalopathy-common-causes-many-questions
#7
REVIEW
Siddharth Srivastava, Mustafa Sahin
Epileptic encephalopathies represent a particularly severe form of epilepsy, associated with cognitive and behavioral deficits, including impaired social-communication and restricted, repetitive behaviors that are the hallmarks of autism spectrum disorder (ASD). With the advent of next-generation sequencing, the genetic landscape of epileptic encephalopathies is growing and demonstrates overlap with genes separately implicated in ASD. However, many questions remain about this connection, including whether epileptiform activity itself contributes to the development of ASD symptomatology...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28649225/microsurgical-vs-endoscopic-excision-of-colloid-cysts-an-analysis-of-complications-and-costs-using-a-longitudinal-administrative-database
#8
Ian David Connolly, Eli Johnson, Layton Lamsam, Anand Veeravagu, John Ratliff, Gordon Li
OBJECTIVE: Open microsurgical and endoscopic approaches are the two main surgical options for excision of colloid cysts. Controversy remains as to which is superior. Previous studies consist of small cohort sizes. This topic has not been investigated using national administrative claims data which benefits from larger patient numbers. METHODS: Current Procedural Terminology (CPT) and International Classification of Disease version 9 (ICD-9) coding at inpatient visit was used to select for index surgical procedures corresponding to microsurgical or endoscopic excision of colloid cysts...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28649016/epileptic-seizure-detection-based-on-imbalanced-classification-and-wavelet-packet-transform
#9
Qi Yuan, Weidong Zhou, Liren Zhang, Fan Zhang, Fangzhou Xu, Yan Leng, Dongmei Wei, Meina Chen
PURPOSE: Automatic seizure detection is significant for the diagnosis of epilepsy and the reduction of massive workload for reviewing continuous EEG recordings. METHODS: Compared with the long non-seizure periods, the durations of the seizure events are much shorter in the continuous EEG recordings. So the seizure detection task can be regarded as an imbalanced classification problem. In this paper, a novel method based on the weighted extreme learning machine (ELM) is proposed for seizure detection with imbalanced EEG data distribution...
June 8, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28648954/fosphenytoin-induced-purple-glove-syndrome-a-case-report
#10
Joseph W Newman, Joseph R Blunck, Ronald K Fields, John E Croom
BACKGROUND: Purple glove syndrome (PGS) is a poorly understood severe adverse drug reaction that is typically associated with intravenous phenytoin administration. Although fosphenytoin is thought to circumvent this risk of PGS, we reveal a rare case of PGS in a patient treated with fosphenytoin therapy. CASE SUMMARY: A 71-year-old male with history of epilepsy was admitted for seizures and traumatic brain injury and intravenous fosphenytoin and levetiracetam were initiated...
June 19, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28648908/intraventricular-cavernomas-of-the-third-ventricle-report-of-two-cases-and-a-systematic-review-of-the-literature
#11
Vivek B Beechar, Visish M Srinivasan, Oleg E Reznik, Anish Sen, Tiemo J Klisch, Alexander E Ropper, Jacob J Mandel, Kent A Heck, Timothy J Seipel, Akash J Patel
BACKGROUND: Intraventricular cavernous malformations (IVCMs) are relatively rare benign vascular malformations. Patients may be asymptomatic or present with symptoms including headache, seizure, hemorrhage, and neurological deficits. We report two cases of patients with cavernomas in the third ventricle and at the foramen of Monro (FoM) and a systematic review of the literature to examine the clinical features and the efficacy of the current standard of care for these lesions. METHODS: A systematic review was performed according to PRISMA guidelines...
June 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28648501/depolarized-gabaergic-signaling-in-subicular-microcircuits-mediates-generalized-seizure-in-temporal-lobe-epilepsy
#12
Yi Wang, Cenglin Xu, Zhenghao Xu, Caihong Ji, Jiao Liang, Ying Wang, Bin Chen, Xiaohua Wu, Feng Gao, Shuang Wang, Yi Guo, Xiaoming Li, Jianhong Luo, Shumin Duan, Zhong Chen
Secondary generalized seizure (sGS) is a major source of disability in temporal lobe epilepsy (TLE) with unclear cellular/circuit mechanisms. Here we found that clinical TLE patients with sGS showed reduced volume specifically in the subiculum compared with those without sGS. Further, using optogenetics and extracellular electrophysiological recording in mouse models, we found that photoactivation of subicular GABAergic neurons retarded sGS acquisition by inhibiting the firing of pyramidal neurons. Once sGS had been stably acquired, photoactivation of GABAergic neurons aggravated sGS expression via depolarized GABAergic signaling...
June 14, 2017: Neuron
https://www.readbyqxmd.com/read/28648375/classifications-of-seizures-and-epilepsies-where-are-we-a-brief-historical-review-and-update
#13
REVIEW
Richard Shek-Kwan Chang, Chun Yin William Leung, Chi Chung Alvin Ho, Ada Yung
In March 2017, the International League Against Epilepsy (ILAE) announced their new classifications of seizures and epilepsies. Development of these classification systems led by the ILAE is a long and complicated process. Outsiders may find it difficult to understand the arguments behind. We summarize the major developmental milestones of the ILAE classification schemata. An update of the latest classification is also included. It is hope that this review can serve as an outline in learning the taxonomy in epileptology...
June 22, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28648093/s-nitrosylation-of-ras-mediates-nitric-oxide-dependent-post-injury-neurogenesis-in-a-seizure-model
#14
Ana Isabel Santos, Bruno Pereira Carreira, Alicia Izquierdo-Álvarez, Elena Ramos, Ana Sofia Lourenço, Daniela Santos, Maria Inês Morte, Luís Filipe Ribeiro, Ana Marreiros, Nuria Sánchez-López, Anabel Marina, Caetana Monteiro Carvalho, Antonio Martínez-Ruiz, Inês M Araújo
AIMS: Nitric oxide (NO) is involved in the upregulation of endogenous neurogenesis in the subventricular zone and in the hippocampus after injury. One of the main neurogenic pathways activated by NO is the ERK/MAPK pathway, downstream of the EGF receptor. However, the mechanism by which NO stimulates cell proliferation through activation of the ERK/MAPK pathway remains unknown, although p21Ras seems to be one of the earliest targets of NO. Here, we aimed to study the possible neurogenic action of NO by post-translational modification of p21Ras as a relevant target for early neurogenic events promoted by NO in neural stem cells (NSC)...
June 24, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28646797/the-experience-of-living-with-adult-onset-epilepsy
#15
Stephanie Kılınç, Anna van Wersch, Carol Campbell, Alison Guy
The incidence and prevalence of adults diagnosed with epilepsy is higher compared to those diagnosed in childhood, yet the experience of living with adult-onset epilepsy has rarely been examined. Hence, the current study took a phenomenological approach to examining the experience of living with epilepsy following diagnosis in adulthood. Semi-structured interviews were conducted with 39 people from across the UK, diagnosed with epilepsy between the ages of eighteen and sixty, at two points in time, six months apart...
June 21, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28646743/analysis-of-ictal-magnetoencephalography-using-gradient-magnetic-field-topography-gmft-in-patients-with-neocortical-epilepsy
#16
Hiroshi Shirozu, Akira Hashizume, Hiroshi Masuda, Yosuke Ito, Yoko Nakayama, Takefumi Higashijima, Masafumi Fukuda, Shigeki Kameyama
OBJECTIVE: We aimed to validate the usefulness of gradient magnetic-field topography (GMFT) for analysis of ictal magnetoencephalography (MEG) in patients with neocortical epilepsy. METHODS: We identified 13 patients presenting with an ictal event during preoperative MEG. We applied equivalent current dipole (ECD) estimation and GMFT to detect and localize the ictal MEG onset, and compared these methods with the ictal onset zone (IOZ) derived from chronic intracranial electroencephalography...
June 7, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28646692/specific-subcortical-structures-are-activated-during-seizure-induced-death-in-a-model-of-sudden-unexpected-death-in-epilepsy-sudep-a-manganese-enhanced-magnetic-resonance-imaging-study
#17
Srinivasa P Kommajosyula, Marcus E Randall, Thomas J Brozoski, Boris M Odintsov, Carl L Faingold
Sudden unexpected death in epilepsy (SUDEP) is a major concern for patients with epilepsy. In most witnessed cases of SUDEP generalized seizures and respiratory failure preceded death, and pre-mortem neuroimaging studies in SUDEP patients observed changes in specific subcortical structures. Our study examined the role of subcortical structures in the DBA/1 mouse model of SUDEP using manganese-enhanced magnetic resonance imaging (MEMRI). These mice exhibit acoustically-evoked generalized seizures leading to seizure-induced respiratory arrest (S-IRA) that results in sudden death unless resuscitation is rapidly instituted...
May 25, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28646450/microrna-changes-in-preconditioning-induced-neuroprotection
#18
REVIEW
Josh D Bell, Jang-Eun Cho, Rona G Giffard
Preconditioning is a paradigm in which sublethal stress-prior to a more injurious insult-induces protection against injury. In the central nervous system (CNS), preconditioning against ischemic stroke is induced by short durations of ischemia, brief seizures, exposure to anesthetics, and other stresses. Increasing evidence supports the contribution of microRNAs (miRNAs) to the pathogenesis of cerebral ischemia and ischemic tolerance induced by preconditioning. Studies investigating miRNA changes induced by preconditioning have to date identified 562 miRNAs that change expression levels after preconditioning, and 15% of these changes were reproduced in at least one additional study...
June 23, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28646433/oxcarbazepine-oral-suspension-in-pediatric-patients-with-partial-seizures-and-or-generalized-tonic-clonic-seizures-a-multi-center-single-arm-observational-study-in-china
#19
Yi Wang, Yin-Bo Chen, Yu-Qin Zhang, Rong Luo, Hua Wang, Jun-Lan Lv, Dong Wang, Sui-Qiang Zhu, Zhong-Dong Lin, Jiong Qin
BACKGROUND: To assess efficacy and safety of oxcarbazepine (OXC) oral suspension in pediatric patients aged 2-16 years with partial seizures (PS) and/ or generalized tonic-clonic seizures (GTCS) in real-world clinical practice in China. METHODS: This 26-week, single arm, multicenter and observational study recruited patients aged 2-16 years with PS or GTCS suitable for OXC oral suspension treatment. Enrolled patients received OXC oral suspension treatment for 26 weeks...
June 22, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28646254/cytoprotective-effects-of-diallyl-trisulfide-against-valproate-induced-hepatotoxicity-new-anticonvulsant-strategy
#20
Ahmed A Shaaban, Dina S El-Agamy
Sodium valproate (VP) is an important antiepileptic drug, although it can produce deleterious hepatotoxic reactions. Diallyl trisulfide (DATS) is the principle component of garlic oil that possesses antioxidant properties. This study explored the potential hepatoprotective activity of DATS against VP-induced hepatic damage and its underlying mechanisms. In addition, the study assessed the effect of DATS on VP antiepileptic activity. Rats were given DATS once daily at two different doses along with VP for 2 weeks...
June 23, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
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