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https://www.readbyqxmd.com/read/28431367/clinical-characterization-of-the-pre-ictal-state-in-the-pediatric-population-a-caretaker-s-perspective
#1
Puja Patel, Victor Ferastraoaru, Dov Gold, Andrew Lipnick, Rana Jehle, Sheryl R Haut
The unpredictability of seizures causes distress to patients with epilepsy and their caretakers. To date, no studies have explored seizure prediction specifically in the pediatric population. If the period of time preceding a seizure can be reliably identified, either by child or caretaker, there may be a role for pre-emptive interventions. The aim of this study was to investigate caretaker seizure prediction. A questionnaire was distributed to caretakers of patients with epilepsy. The patients were 0-21years old and experienced ≥1 seizure within the past year...
April 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28431290/predicting-success-of-vagus-nerve-stimulation-vns-from-eeg-symmetry
#2
REVIEW
Janneke Hilderink, Marleen C Tjepkema-Cloostermans, Anita Geertsema, Janita Glastra-Zwiers, Cecile C de Vos
PURPOSE: Vagus nerve stimulation (VNS) has shown to be an effective treatment for drug resistant epilepsy, with achieving more than 50% seizure reduction in one third of the treated patients. In order to predict which patients will profit from VNS, we previously found that a low pairwise derived Brain Symmetry Index (pdBSI) could potentially predict good responders to VNS treatment. These findings however have to be validated before they can be generalized. METHODS: 39 patients (age 18-68 years) with medically intractable epilepsy who were referred for an implanted VNS system were included...
April 4, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28429259/early-morphological-and-functional-changes-in-the-gabaergic-system-of-hippocampus-in-the-rat-lithium-pilocarpine-model-of-epilepsy
#3
V B Karyakin, D S Vasil'ev, I A Zhuravin, A V Zaitsev, L G Magazanik
We studied early alterations in the GABAergic system of the rat hippocampus in the lithium-pilocarpine model of epilepsy. Twenty-four hours after the pilocarpine treatment, a decrease in the number of calretinin-positive interneurons was observed in the CA1 field of the hippocampus, whereas the number of parvalbumin-positive interneurons remained unchanged. The decreased levels of the GABA-synthesizing enzyme glutamic acid decarboxylase (GAD67) and the membrane GABA transporter GAT1 were revealed using Western blot analysis...
January 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28428755/pharmacological-analysis-of-the-anti-epileptic-mechanisms-of-fenfluramine-in-scn1a-mutant-zebrafish
#4
Jo Sourbron, Ilse Smolders, Peter de Witte, Lieven Lagae
Dravet syndrome (DS) is a genetic encephalopathy that is characterized by severe seizures and prominent co-morbidities (e.g., physical, intellectual disabilities). More than 85% of the DS patients carry an SCN1A mutation (sodium channel, voltage gated, type I alpha subunit). Although numerous anti-epileptic drugs have entered the market since 1990, these drugs often fail to adequately control seizures in DS patients. Nonetheless, current clinical data shows significant seizure reduction in DS patients treated with the serotonergic (5-hydroxytryptamine, 5-HT) drug fenfluramine (FA)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28428202/precision-physiology-and-rescue-of-brain-ion-channel-disorders
#5
REVIEW
Jeffrey Noebels
Ion channel genes, originally implicated in inherited excitability disorders of muscle and heart, have captured a major role in the molecular diagnosis of central nervous system disease. Their arrival is heralded by neurologists confounded by a broad phenotypic spectrum of early-onset epilepsy, autism, and cognitive impairment with few effective treatments. As detection of rare structural variants in channel subunit proteins becomes routine, it is apparent that primary sequence alone cannot reliably predict clinical severity or pinpoint a therapeutic solution...
April 20, 2017: Journal of General Physiology
https://www.readbyqxmd.com/read/28427858/mice-with-conditional-neurod1-knockout-display-reduced-aberrant-hippocampal-neurogenesis-but-no-change-in-epileptic-seizures
#6
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/28427564/inflammation-in-epileptic-encephalopathies
#7
Oleksii Shandra, Solomon L Moshé, Aristea S Galanopoulou
West syndrome (WS) is an infantile epileptic encephalopathy that manifests with infantile spasms (IS), hypsarrhythmia (in ~60% of infants), and poor neurodevelopmental outcomes. The etiologies of WS can be structural-metabolic pathologies (~60%), genetic (12%-15%), or of unknown origin. The current treatment options include hormonal treatment (adrenocorticotropic hormone and high-dose steroids) and the GABA aminotransferase inhibitor vigabatrin, while ketogenic diet can be given as add-on treatment in refractory IS...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28427143/activity-induced-spontaneous-spikes-in-gabaergic-neurons-suppress-seizure-discharges-an-implication-of-computational-modeling
#8
Wei Lu, Jing Feng, Bo Wen, Kewei Wang, Jin-Hui Wang
BACKGROUND: Epilepsy, a prevalent neurological disorder, appears self-termination. The endogenous mechanism for seizure self-termination remains to be addressed in order to develop new strategies for epilepsy treatment. We aim to examine the role of activity-induced spontaneous spikes at GABAergic neurons as an endogenous mechanism in the seizure self-termination. METHODS AND RESULTS: Neuronal spikes were induced by depolarization pulses at cortical GABAergic neurons from temporal lobe epilepsy patients and mice, in which some of these neurons fired activity-induced spontaneous spikes...
February 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427028/terminal-seizure-frequency-and-its-relation-to-sudep
#9
Deng Chen, Yang Si, Jun He, Ying Deng, Tao Chen, Yu-Jin He, Ling Liu, Dong Zhou
BACKGROUND: Sudden unexpected death in epilepsy (SUDEP) is a major cause of death in patients with epilepsy. Several risk factors have been implicated, including early age of onset, tonic-clonic seizures and antiepileptic drugs. However, whether patients who die from SUDEP have a greater frequency of seizures in the few months before death is unclear. We investigated the terminal seizure frequency and its relation to SUDEP among a large group of patients with tonic-clonic seizures in rural West China...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427026/epilepsy-and-headaches-further-evidence-of-a-link
#10
Asli Ece Çilliler, Hayat Güven, Selim Selçuk Çomoğlu
OBJECTIVE: Epilepsy and primary headaches are two of the most common neurologic conditions that share some common clinical characteristics, and can affect individuals of all age groups around the world. In recent years, the underlying pathophysiologic mechanisms potentially common to both headaches and epileptic seizures have been the subject of scrutiny. The objective of this study was to determine the frequencies and types of headaches in patients with epilepsy, and evaluate any temporal relationship with epileptic seizures...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427025/psychiatric-symptoms-after-temporal-epilepsy-surgery-a-one-year-follow-up-study
#11
Carmen Iranzo-Tatay, Teresa Rubio-Granero, Antonio Gutierrez, Mercedes Garcés, Rebeca Conde, Asier Gómez-Ibáñez, Sergio Arques-Egea, Lucia Sancho-Miñana, David Hervas-Marín, Vicente Villanueva
Psychiatric symptoms must be considered in patients with refractory temporal lobe epilepsy after epilepsy surgery. The main objectives of our study were to describe clinical and socio-demographical characteristics of a cohort of patients with pharmacoresistant temporal lobe epilepsy who underwent temporal lobe epilepsy surgery, and moreover, to evaluate possible risk factors for developing psychiatric symptoms. In order to achieve those goals, we conducted a prospective evaluation of psychopathology throughout the first year after surgery in a clinical sample of 72 patients, by means of three clinical rated measures; the Hamilton Anxiety Rating Scale (HARS), the Hamilton Depression Rating Scale (HDRS), and the Brief Psychiatric Rating Scale (BPRS)...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28426368/living-in-the-epilepsy-treatment-gap-in-rural-south-india-a-focused-ethnography-of-women-and-problems-associated-with-stigma
#12
Jane R von Gaudecker, Ann Gill Taylor, Arlene W Keeling, Janice M Buelow, Sailas Benjamin
No abstract text is available yet for this article.
April 20, 2017: Health Care for Women International
https://www.readbyqxmd.com/read/28425821/l-carnitine-supplementation-to-reverse-hyperammonemia-in-a-patient-undergoing-chronic-valproic-acid-treatment-a-case-report
#13
Cecilia Maldonado, Natalia Guevara, Alicia Silveira, Pietro Fagiolino, Marta Vázquez
Valproic acid is a broad-spectrum anticonvulsant that has also gained attention in the psychiatric setting. With respect to safety, valproic acid may induce a seemingly rare condition, hyperammonemia, which can induce a wide variety of symptoms ranging from irritability to coma. The proposed mechanism of hyperammonemia involves depletion of carnitine and overproduction of a toxic metabolite, 4-en-valproic acid, both of which impair the urea cycle and thus ammonia elimination. Carnitine is a commonly used antidote for acute intoxication of valproic acid, but is not a therapeutic option for management of chronic adults with adverse effects related to valproic acid...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28425688/pediatric-epilepsy-and-psychiatric-comorbidity-preliminary-observational-data-from-a-prospective-study
#14
Michela Gatta, Alessia Raffagnato, Stefania Mannarini, Laura Balottin, Irene Toldo, Marilena Vecchi, Clementina Boniver
BACKGROUND: Several studies have confirmed psychiatric comorbidity and a worse quality of life in children with epilepsy, but the clinical assessment and monitoring of these patients often pays insufficient attention to their psychological aspects alongside their neurological issues. The present study aims to describe the distribution of psychopathologies and their clinical evolution over 18 months in a sample of children followed up since the onset of their epilepsy. METHODS: After being diagnosed with epilepsy, 49 subjects (age 4-18y) were followed up with psychiatric and psychological assessments based on the use of dimensional and categorical psychometric tools...
April 20, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28425236/predictors-of-health-related-quality-of-life-in-childhood-epilepsy-and-comparison-with-healthy-children-findings-from-an-indian-study
#15
Dipika Bansal, Chandrika Azad, Kapil Gudala, Anil Dasari
BACKGROUND/AIM: Children with epilepsy have reduced health-related quality of life (HRQOL) due to disease and medications. We aimed to assess child-reported HRQOL in Indian children with epilepsy and compare it with that in healthy children. MATERIALS AND METHODS: A cross-sectional study of 256 children with epilepsy aged between 5 and 18 years on antiepileptic drug (AED) treatment for at least 3 months was performed and 125 age and sex matched healthy children were included...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28425097/seizure-frequency-correlates-with-loss-of-dentate-gyrus-gabaergic-neurons-in-a-mouse-model-of-temporal-lobe-epilepsy
#16
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/28424599/electrophysiological-sequelae-of-hemispherotomy-in-ipsilateral-human-cortex
#17
Ammar H Hawasli, Ravi Chacko, Nicholas P Szrama, David T Bundy, Mrinal Pahwa, Chester K Yarbrough, Brian J Dlouhy, David D Limbrick, Dennis L Barbour, Matthew D Smyth, Eric C Leuthardt
Objectives: Hemispheric disconnection has been used as a treatment of medically refractory epilepsy and evolved from anatomic hemispherectomy to functional hemispherectomies to hemispherotomies. The hemispherotomy procedure involves disconnection of an entire hemisphere with limited tissue resection and is reserved for medically-refractory epilepsy due to diffuse hemispheric disease. Although it is thought to be effective by preventing seizures from spreading to the contralateral hemisphere, the electrophysiological effects of a hemispherotomy on the ipsilateral hemisphere remain poorly defined...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28424403/-non-convulsive-status-epilepticus-caused-by-hyponatremia-in-an-elderly-woman-a-case-report
#18
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/28423368/the-effects-of-herbal-medicine-on-epilepsy
#19
REVIEW
Wei Liu, Tongtong Ge, Zhenxiang Pan, Yashu Leng, Jiayin Lv, Bingjin Li
Traditional herbal medicine plays a significant role in the treatment of epilepsy. Though herbal medicine is widely used in antiepileptic treatment, there is a lack of robust evidence for efficacy and toxicity of most herbs. Besides, the herbal medicine should be subject to evidence-based scrutiny. In this context, we present a review to introduce the effects of herbal medicine on epilepsy. However, hundreds of herbal medicines have been investigated in the available studies. Some commonly used herbal medicines for epilepsy have been listed in our study...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421199/valproic-acid-protects-primary-dopamine-neurons-from-mpp-induced-neurotoxicity-involvement-of-gsk3%C3%AE-phosphorylation-by-akt-and-erk-through-the-mitochondrial-intrinsic-apoptotic-pathway
#20
Chi Zhang, Xianrui Yuan, Zhongliang Hu, Songlin Liu, Haoyu Li, Ming Wu, Jian Yuan, Zijin Zhao, Jun Su, Xiangyu Wang, Yiwei Liao, Qing Liu
Valproic acid (VPA), a drug widely used to treat manic disorder and epilepsy, has recently shown neuroprotective effects in several neurological diseases, particularly in Parkinson's disease (PD). The goal of the present study was to confirm VPA's dose-dependent neuroprotective propensities in the MPP(+) model of PD in primary dopamine (DA) neurons and to investigate the underlying molecular mechanisms using specific mitogen-activated protein kinases (MAPKs) and phosphatidylinositol 3-kinase- (PI3K-) Akt signaling inhibitors...
2017: BioMed Research International
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