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Status Epilepsy

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https://www.readbyqxmd.com/read/28432779/nmdar-independent-hippocampal-long-term-depression-impairment-after-status-epilepticus-in-a-lithium-pilocarpine-model-of-temporal-lobe-epilepsy
#1
Andrey D Ivanov, Aleksey V Zaitsev
Temporal lobe epilepsy is usually associated with cognitive decline and memory deficits. Despite numerous existing studies on various animal models, the mechanisms of these deficits remain largely unclear. A specific form of long-term synaptic efficacy changes - long-term depression (LTD) - is thought to play an important role in memory formation and learning. However, extremely little is known about the possible alteration of LTD induction and dynamics after a status epilepticus (SE). In the present work we investigated the acute and delayed effects of lithium-pilocarpine-induced SE on NMDAR-dependent and NMDAR-independent hippocampal LTD in vitro...
April 22, 2017: Synapse
https://www.readbyqxmd.com/read/28431368/correlates-of-perceived-stigma-for-people-living-with-epilepsy-a-meta-analysis
#2
REVIEW
Ying Shi, Shouqi Wang, Jie Ying, Meiling Zhang, Pengcheng Liu, Huanhuan Zhang, Jiao Sun
OBJECTIVE: Epilepsy, one of the most common, serious chronic neurological diseases, is accompanied by different levels of perceived stigma that affects people in almost all age groups. This stigma can negatively impact the physical and mental health of people living with epilepsy (PLWE). Good knowledge of perceived stigma for PLWE is important. In this study, we conducted a meta-analysis to identify the correlates of perceived stigma for PLWE. METHODS: Studies on factors associated with perceived stigma for PLWE, including sociodemographic, psychosocial, and disease-related variables, were searched in PubMed, PsychINFO, EMBASE, and Web of Science...
April 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28431366/efficacy-and-safety-of-a-video-eeg-protocol-for-genetic-generalized-epilepsies
#3
Luciana Rodrigues De Marchi, Jeana Torres Corso, Ana Carolina Zetehaku, Carina Gonçalves Pedroso Uchida, Mirian Salvadori Bittar Guaranha, Elza Márcia Targas Yacubian
INTRODUCTION: Video-EEG has been used to characterize genetic generalized epilepsies (GGE). For best performance, sleep recording, photic stimulation, hyperventilation, and neuropsychological protocols are added to the monitoring. However, risks and benefits of these video-EEG protocols are not well established. The aim of this study was to analyze the efficacy and safety of a video-EEG neuropsychological protocol (VNPP) tailored for GGE and compare its value with that of routine EEG (R-EEG)...
April 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427858/mice-with-conditional-neurod1-knockout-display-reduced-aberrant-hippocampal-neurogenesis-but-no-change-in-epileptic-seizures
#4
Rebecca Brulet, Jingfei Zhu, Mahafuza Aktar, Jenny Hsieh, Kyung-Ok Cho
Adult neurogenesis is significantly increased in the hippocampus of rodent models of temporal lobe epilepsy (TLE). These adult-generated neurons have recently been shown to play a contributing role in the development of spontaneous recurrent seizures (SRS). In order to eventually target pro-epileptic adult neurogenesis in the clinical setting, it will be important to identify molecular players involved in the control of aberrant neurogenesis after seizures. Here, we focused on NeuroD1 (ND1), a member of the bHLH family of transcription factors previously shown to play an essential role in the differentiation and maturation of adult-generated neurons in the hippocampus...
April 18, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28427024/knowledge-attitude-and-practice-about-epilepsy-among-teachers-at-ethio-national-school-addis-ababa-ethiopia
#5
Tesfaye Berhe, Bethlehem Yihun, Emebet Abebe, Hailu Abera
BACKGROUND: Epilepsy is one of the most common serious chronic brain disorders and is poorly understood by the public and has been associated with numerous misconceptions and beliefs. This, coupled with its dramatic clinical manifestations, has resulted in a strong social stigma. Since teachers have a key role in society as educators, the purpose of this study was to find out the knowledge, attitude, and practice towards epilepsy among school teachers. METHODS: A cross-sectional study design was used to assess the knowledge, attitude, and practice of 135 teachers about epilepsy using a semi-structured, self-administered questionnaire...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427020/experiences-with-premorbid-sudep-discussion-among-participants-in-the-north-american-sudep-registry-nasr
#6
Jay Louik, Kyra Doumlele, Fizza Hussain, Laura Crandall, Jeffrey Buchhalter, Dale Hesdorffer, Elizabeth Donner, Orrin Devinsky, Daniel Friedman
The North American SUDEP Registry (NASR) is a repository of clinical data and biospecimens in cases of sudden unexpected death in epilepsy (SUDEP), a leading cause of epilepsy-related deaths. We assessed whether bereaved families were aware of SUDEP before their family member's death and their preferences for SUDEP disclosure. At enrollment, next-of-kin of SUDEP cases completed an intake interview, including questions assessing premorbid SUDEP discussions. Only 18.1% of the 138 next-of-kin recalled a previous discussion of SUDEP with a healthcare provider or support resource...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28425097/seizure-frequency-correlates-with-loss-of-dentate-gyrus-gabaergic-neurons-in-a-mouse-model-of-temporal-lobe-epilepsy
#7
Paul S Buckmaster, Emily Abrams, Xiling Wen
Epilepsy occurs in one of 26 people. Temporal lobe epilepsy is common and can be difficult to treat effectively. It can develop after brain injuries that damage the hippocampus. Multiple pathophysiological mechanisms involving the hippocampal dentate gyrus have been proposed. The present study evaluated a mouse model of temporal lobe epilepsy to test which pathological changes in the dentate gyrus correlate with seizure frequency and help prioritize potential mechanisms for further study. FVB mice (n = 127) that had experienced status epilepticus after systemic treatment with pilocarpine 31 - 61 d earlier were video-monitored for spontaneous, convulsive seizures 9 h/d every day for 24 - 36 d...
April 20, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28424403/-non-convulsive-status-epilepticus-caused-by-hyponatremia-in-an-elderly-woman-a-case-report
#8
Yoshinori Kurauchi, Masahiro Yasaka, Keisuke Tokunaga, Masaki Saito, Shun Shimohama, Yasushi Okada
We report the case of a 67-year-old woman with non-convulsive status epilepticus (NCSE) due to hyponatremia. She had a history of psychogenic polydipsia but not epilepsy. She was admitted to our hospital with dysbulia. On admission, she was confused and disoriented (Glasgow Coma Scale: 6, E1V1M4). Magnetic resonance imaging of the brain showed no abnormalities. Laboratory test showed hyponatremia (Na<sup>+</sup> level: 115 mEq/L). The electroencephalography (EEG) showed a generalized slow wave of 5 Hz during recording...
April 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28419590/cracking-the-neural-code-treating-paralysis-and-the-future-of-bioelectronic-medicine
#9
C Bouton
The human nervous system is a vast network carrying not only sensory and movement information, but also information to and from our organs, intimately linking it to our overall health. Scientists and engineers have been working for decades to tap into this network and 'crack the neural code' by decoding neural signals and learning how to 'speak' the language of the nervous system. Progress has been made in developing neural decoding methods to decipher brain activity and bioelectronic technologies to treat rheumatoid arthritis, paralysis, epilepsy and for diagnosing brain-related diseases such as Parkinson's and Alzheimer's disease...
April 16, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28419133/reproductive-toxicity-after-levetiracetam-administration-in-male-rats-evidence-for-role-of-hormonal-status-and-oxidative-stress
#10
Merve Baysal, Sinem Ilgin, Gozde Kilic, Volkan Kilic, Seyda Ucarcan, Ozlem Atli
Levetiracetam (LEV) is an antiepileptic drug commonly used in the treatment of epilepsy because of its excellent safety profile in all age groups. It is remarkable that there are no studies evaluating the toxic effects of this drug on the male reproductive system, as it is commonly used in male patients of reproductive age. From this point of view, our aim was to evaluate the possible toxic effects of LEV on the male reproductive system. Therefore, LEV was administered to male rats orally at 50, 150, and 300 mg/kg for 70 consecutive days...
2017: PloS One
https://www.readbyqxmd.com/read/28416442/allopregnanolone-decreases-interictal-spiking-and-fast-ripples-in-an-animal-model-of-mesial-temporal-lobe-epilepsy
#11
Maxime Lévesque, Rochelle Herrington, Leila Leclerc, Michael A Rogawski, Massimo Avoli
The objective of this study was to characterize the impact of allopregnanolone, a neurosteroid that acts as a positive allosteric modulator of synaptic and extrasynaptic GABAA receptors, on interictal spikes and high-frequency oscillations (ripples: 80-200 Hz, fast ripples: 250-500 Hz) in the pilocarpine model of mesial temporal lobe epilepsy. Seven out of 25 Sprague-Dawley rats experiencing 1 h of pilocarpine-induced status epilepticus (SE) began treatment with allopregnanolone (9.6-12.8 mg/kg/day) on the following day...
April 14, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28413125/transient-dysautonomia-in-an-acute-phase-of-encephalopathy-with-biphasic-seizures-and-late-reduced-diffusion
#12
Yuko Ichimiya, Noriyuki Kaku, Yasunari Sakai, Fumiya Yamashita, Wakato Matsuoka, Mamoru Muraoka, Satoshi Akamine, Soichi Mizuguchi, Michiko Torio, Yoshitomo Motomura, Yuichiro Hirata, Yoshito Ishizaki, Masafumi Sanefuji, Hiroyuki Torisu, Hidetoshi Takada, Yoshihiko Maehara, Shouichi Ohga
Paroxysmal sympathetic hyperactivity (PSH) is a dysautonomic condition that is associated with various types of acquired brain injuries. Traumatic brain lesions have been documented as the leading cause of PSH. However, detailed clinical features of pediatric PSH caused by intrinsic brain lesions remain to be elusive. We present a 3-year-old boy, who had been diagnosed as having cerebral palsy, developmental delay and epilepsy after perinatal hypoxia-induced brain injury. He developed status epilepticus with fever on the third day of respiratory infection...
April 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28404805/mutant-idh1-and-seizures-in-patients-with-glioma
#13
Hao Chen, Jonathon Judkins, Cheddhi Thomas, Meijing Wu, Laith Khoury, Carolina G Benjamin, Donato Pacione, John G Golfinos, Priya Kumthekar, Farhad Ghamsari, Li Chen, Pamela Lein, Dane M Chetkovich, Matija Snuderl, Craig Horbinski
OBJECTIVE: Because the d-2-hydroxyglutarate (D2HG) product of mutant isocitrate dehydrogenase 1 (IDH1(mut)) is released by tumor cells into the microenvironment and is structurally similar to the excitatory neurotransmitter glutamate, we sought to determine whether IDH1(mut) increases the risk of seizures in patients with glioma, and whether D2HG increases the electrical activity of neurons. METHODS: Three WHO grade II-IV glioma cohorts from separate institutions (total N = 712) were retrospectively assessed for the presence of preoperative seizures and tumor location, WHO grade, 1p/19q codeletion, and IDH1(mut) status...
April 12, 2017: Neurology
https://www.readbyqxmd.com/read/28399506/timing-and-type-of-hemispherectomy-for-rasmussen-s-encephalitis-analysis-of-45-patients
#14
Yuguang Guan, Sichang Chen, Changqing Liu, Xiuyu Du, Yao Zhang, Shuai Chen, Jie Wang, Tianfu Li, Guoming Luan
OBJECTIVE: To describe the surgery outcomes of RE patients in one centerto identify the indication for surgical treatment that results in the most favorable outcome. METHOD: Forty-five RE patients from a single center were retrospectively reviewed. Preoperative evaluations included assessments of clinical manifestations, cognitive status, a physical examination, MRI, positron emission tomography (PET), electroencephalography (EEG), and magnetoencephalography (MEG)...
March 22, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28396650/new-onset-refractory-status-epilepticus-with-claustrum-damage-definition-of-the-clinical-and-neuroimaging-features
#15
Stefano Meletti, Giada Giovannini, Giuseppe d'Orsi, Lisa Toran, Giulia Monti, Rahul Guha, Andreas Kiryttopoulos, Maria Grazia Pascarella, Tommaso Martino, Haris Alexopoulos, Martha Spilioti, Jana Slonkova
New-onset refractory status epilepticus (NORSE) is a rare but challenging condition occurring in a previously healthy patient, often with no identifiable cause. We describe the electro-clinical features and outcomes in a group of patients with NORSE who all demonstrated a typical magnetic resonance imaging (MRI) sign characterized by bilateral lesions of the claustrum. The group includes 31 patients (12 personal and 19 previously published cases; 17 females; mean age of 25 years). Fever preceded status epilepticus (SE) in 28 patients, by a mean of 6 days...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28390940/ginkgo-biloba-l-attenuates-spontaneous-recurrent-seizures-and-associated-neurological-conditions-in-lithium-pilocarpine-rat-model-of-temporal-lobe-epilepsy-through-inhibition-of-mammalian-target-of-rapamycin-pathway-hyperactivation
#16
Arindam Ghosh Mazumder, Pallavi Sharma, Vikram Patial, Damanpreet Singh
ETHNOPHARMACOLOGICAL RELEVANCE: Ginkgo biloba L. (Ginkgoaceae) has been widely used in traditional medicine for variety of neurological conditions particularly behavioral and memory impairments. AIM OF THE STUDY: The present study was envisaged to explore the effect of a standardized fraction of Ginkgo biloba leaves (GBbf) in rat model of lithium-pilocarpine induced spontaneous recurrent seizures, and associated behavioral impairments and cognitive deficit. MATERIALS AND METHODS: Rats showing appearance of spontaneous recurrent seizures following lithium pilocarpine (LiPc)-induced status epilepticus (SE) were treated with different doses of GBbf or vehicle for subsequent 4 weeks...
April 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28387136/the-protective-effect-of-aucubin-from-eucommia-ulmoides-against-status-epilepticus-by-inducing-autophagy-and-inhibiting-necroptosis
#17
Jin Wang, Ying Li, Wei-Hua Huang, Xiang-Chang Zeng, Xiao-Hui Li, Jian Li, Jun Zhou, Jian Xiao, Bo Xiao, Dong-Sheng Ouyang, Kai Hu
Eucommia ulmoides Oliv. is a famous traditional Chinese medicine which exhibits anti-oxidative stress ability and neuro-protective effects. Aucubin is the predominant component of Eucommia ulmoides Oliv. Our present study is intended to investigate aucubin's potential protective effects on neurons against epilepsy in the hippocampus by establishing the lithium-pilocarpine induced status epilepticus (SE) rat model in vivo. Aucubin (at a low dose and a high dose of 5[Formula: see text]mg/kg and 10[Formula: see text]mg/kg, respectively) was administered through gavage for two weeks before lithium-pilocarpine injection...
April 7, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28386818/potential-risk-factors-for-vitamin-d-levels-in-medium-and-long-term-use-of-antiepileptic-drugs-in-childhood
#18
Edibe Pempegül Yildiz, Şükran Poyrazoglu, Gonca Bektas, Aslı Derya Kardelen, Nur Aydinli
Antiepileptic drugs (AED) have potential side effects through vitamin-D. Prevalence of vitamin D insufficiency and potential risk factors for the longitudinal changes of vitamin D levels compared to its baseline levels under AED treatment were investigated in this study. This retrospective study includes patients whose AED therapy were started in only autumn months, between 2000 and 2014. Detailed assessment of neurologic diagnosis and brain MRI findings, ambulatory status, types and durations of AED treatment, and baseline bone health blood tests (vitamin-D, alkaline phosphatase, calcium, and phosphate levels) were obtained on all patients...
April 6, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28382109/the-efficacy-of-lacosamide-as-monotherapy-and-adjunctive-therapy-in-focal-epilepsy-and-its-use-in-status-epilepticus-clinical-trial-evidence-and-experience
#19
REVIEW
Sebastian Bauer, Laurent M Willems, Esther Paule, Christine Petschow, Johann Philipp Zöllner, Felix Rosenow, Adam Strzelczyk
Lacosamide (LCM) is approved for anticonvulsive treatment in focal epilepsy and exhibits its function through the slow inactivation of voltage-gated sodium channels (VGSCs). LCM shows comparable efficacy with other antiepileptic drugs (AEDs) licensed in the last decade: in three randomized placebo-controlled trials, significant median seizure reduction rates of 35.2% for 200 mg/day, 36.4-39% for 400 mg/day and 37.8-40% for 600 mg/day were reported. Likewise, 50% responder rates were 38.3-41.1% for 400 mg/day and 38...
February 2017: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/28380395/equivocal-significance-of-post-ictal-generalized-eeg-suppression-as-a-marker-of-sudep-risk
#20
Joon Y Kang, Amin H Rabiei, Leslie Myint, Maromi Nei
PURPOSE: Our objective was to determine the significance of PGES as a possible EEG marker of increased risk for SUDEP and explore factors that influence PGES. METHODS: We identified 17 patients who died due to definite or probable SUDEP and 52 living control patients with drug resistant focal epilepsy who underwent EEG monitoring and least one seizure recorded on EEG. We reviewed 305 seizures on EEG and when available, on video, for presence or absence of PGES, the duration of PGES immediately after seizure end, seizure type, state seizure occurred (sleep vs...
March 27, 2017: Seizure: the Journal of the British Epilepsy Association
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