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Letícia Pereira de Brito Sampaio
The ketogenic diet (KD), a high-fat, low-carbohydrate, and adequate-protein diet is an established, effective nonpharmacologic treatment option for intractable childhood epilepsy. The KD was developed in 1921 and even though it has been increasingly used worldwide in the past decade, many neurologists are not familiar with this therapeutic approach. In the past few years, alternative and more flexible KD variants have been developed to make the treatment easier and more palatable while reducing side effects and making it available to larger group of refractory epilepsy patients...
October 2016: Arquivos de Neuro-psiquiatria
Miguel Hernández-Cerón, Juan Carlos Martínez-Lazcano, Carmen Rubio, Verónica Custodio, Edith González-Guevara, Carlos Castillo-Pérez, Carlos Paz
Lesions of the cerebellar dentate nucleus (DN) reduce the after-discharge duration induced by repetitive kindling stimulation and decrease seizures to a lower rank according to Racine's scale. The DN sends cholinergic and glutamatergic fibers to the red nucleus (RN), which is composed of glutamatergic and GABAergic cells. To test the participation of these neurotransmitters in seizures, we compared the levels of glutamate and gamma-aminobutyric acid (GABA) at the RN in a control condition, a kindled stage, and a kindled stage followed by DN lesions...
October 18, 2016: Journal of Neuroscience Research
Wolfgang Löscher, Michel Gillard, Zara A Sands, Rafal M Kaminski, Henrik Klitgaard
The synaptic vesicle glycoprotein SV2A belongs to the major facilitator superfamily (MFS) of transporters and is an integral constituent of synaptic vesicle membranes. SV2A has been demonstrated to be involved in vesicle trafficking and exocytosis, processes crucial for neurotransmission. The anti-seizure drug levetiracetam was the first ligand to target SV2A and displays a broad spectrum of anti-seizure activity in various preclinical models. Several lines of preclinical and clinical evidence, including genetics and protein expression changes, support an important role of SV2A in epilepsy pathophysiology...
October 17, 2016: CNS Drugs
Shiny Thomas, Mary E Hovinga, Dheeraj Rai, Brian K Lee
Epilepsy is reported to co-occur in individuals with autism spectrum disorder (ASD). Previous studies across the world have found prevalence estimates ranging from 4 to 38 %. We examined parent-reported prevalence of co-occurring epilepsy and ASD in the most recent U.S. National Survey of Children's Health, 2011-2012. All analyses accounted for survey weights to account for the complex sampling design. In the overall analytic sample of 85,248 children ages 2-17, there were 1604 children with ASD (prevalence of 1...
October 17, 2016: Journal of Autism and Developmental Disorders
Husam R Kayyali, Anastasia Luniova, Ahmed Abdelmoity
Background. Approximately, one-third of patients with epilepsy are refractory to pharmacological treatment which mandates extensive medical care and imposes significant economic burden on patients and their societies. This study intends to assess the impact of the treatment with ketogenic diet (KD) on reducing seizure-related emergency room visits and hospitalizations in children with refractory epilepsy. Methods. This is a retrospective review of children treated with the KD in one tertiary center. We compared a 12 months' period prior to KD with 12 months after the diet was started in regard to the number of emergency department (ED) visits, hospitalizations, and hospital days as well as their associated charges...
2016: Epilepsy Research and Treatment
Patrick Amoateng, Samuel Adjei, Dorcas Osei-Safo, Believe Ahedor, Seidu A Mahmood, Benoit B N'guessan, Isaac J Asiedu-Gyekye, Alexander K Nyarko
BACKGROUND: Conflicting reports about the toxicity of Synedrella nodiflora (L) Gaertn (family Asteraceae), a plant traditionally used in Ghana for the management of epilepsy, abound in literature. The present study evaluates the effect of a 90-day continuous oral administration of a hydro-ethanolic whole plant extract of Synedrella nodiflora (SNE) in male Sprague-Dawley rats. METHODS: The toxicological evaluation of the extract (100, 300 and 1000 mgkg(-1)) was focused on haematological, serum biochemical parameters and histopathological changes of some isolated organs...
September 2016: Ghana Medical Journal
Chih-Ping Chen, Shuan-Pei Lin, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chen-Chi Lee, Dai-Dyi Town, Chien-Wen Yang, Wayseen Wang
OBJECTIVE: To present molecular cytogenetic characterization of an inverted duplication of proximal chromosome 15 [inv dup(15)] presenting as a small supernumerary marker chromosome (sSMC) associated with the inv dup(15) syndrome. CASE REPORT: A 35-year-old woman underwent amniocentesis because of advanced maternal age at 27 weeks of gestation, which revealed an sSMC that was confirmed by fluorescence in situ hybridization (FISH) to be derived from chromosome 15...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Xiao-Yan Yang, Li-Li Long, Bo Xiao
OBJECTIVE: To study the role of video electroencephalogram (VEEG) versus regular electroencephalogram (REEG) in the diagnosis of epilepsy and localization of origin of epileptic discharge in children through a comparative analysis. METHODS: A retrospective analysis was performed for the clinical data of 223 children with clinical paroxysmal symptoms in the past and suspected epilepsy. VEEG and REEG were compared from the aspects of monitoring of clinical seizures, interictal epileptiform discharge (IED), localization of the origin of IED, and identification of non-epileptic seizures, and the detection rate of IED during awakening and sleep stages was also compared...
October 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
Theresa Scholl, Angelika Mühlebner, Gerda Ricken, Victoria Gruber, Anna Fabing, Sharon Samueli, Gudrun Gröppel, Christian Dorfer, Thomas Czech, Johannes A Hainfellner, Avanita S Prabowo, Roy J Reinten, Lisette Hoogendijk, Jasper J Anink, Eleonora Aronica, Martha Feucht
Conventional antiepileptic drugs suppress the excessive firing of neurons during seizures. In drug-resistant patients, treatment failure indicates an alternative important epileptogenic trigger. Two epilepsy-associated pathologies show myelin deficiencies in seizure-related brain regions: Focal Cortical Dysplasia IIB (FCD) and cortical tubers in Tuberous Sclerosis Complex (TSC). Studies uncovering white matter-pathology mechanisms are therefore urgently needed to gain more insight into epileptogenesis, the propensity to maintain seizures, and their associated comorbidities such as cognitive defects...
October 17, 2016: Brain Pathology
Roisin Bartlam, Rajiv Mohanraj
BACKGROUND: Seizures can lead to cardiac arrhythmias by a number of mechanisms including activation/inhibition of cortical autonomic centers, increase in vagal tone through activation of brainstem reflex centers, and respiratory failure. Ictal asystole (IA) is a potential mechanism underlying sudden unexpected death in epilepsy (SUDEP). We analyzed the clinical features of 5 patients who developed IA requiring pacemaker implantation. METHODS: Patients with ictal arrhythmias were identified from the video-telemetry and ambulatory EEG database at Greater Manchester Neurosciences Centre, as well as an independent epilepsy residential care facility...
October 13, 2016: Epilepsy & Behavior: E&B
Edward Chia-Cheng Lai, Cheng-Yang Hsieh, Chien-Chou Su, Yea-Huei Kao Yang, Chin-Wei Huang, Swu-Jane Lin, Soko Setoguchi
We compared persistence of antiepileptic drugs (AEDs) including carbamazepine, oxcarbazepine, gabapentin, lamotrigine, topiramate, valproic acid, and phenytoin in an Asian population with epilepsy.A retrospective cohort study was conducted by analyzing Taiwan's National Health Insurance Research Database (NHIRD). Adult epilepsy patients newly prescribed with AEDs between 2005 and 2009 were included. The primary outcome was persistence, defined as the treatment duration from the date of AED initiation to the date of AED discontinuation, switching, hospitalization due to seizure or disenrollment from databases, whichever came first...
August 2016: Medicine (Baltimore)
Zulfi Haneef, Sharon Chiang, Holly Rutherford, Arun Antony
INTRODUCTION: Fellowship training in Clinical Neurophysiology (CNP) is often sought following Neurology residency. However, data documenting the reasons for choosing CNP fellowship, and experiences therein, are sparse. METHODS: Current Neurophysiology fellows across the United States participated in a 17-item, internet-based survey. Data regarding demographics, reasons for choosing fellowship, adequacy of training, and future plans were collected. RESULTS: Among respondents (n=49), 84% graduated from a US medical school...
October 5, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Bo Liu, Fei Li, Jingshan Shi, Danli Yang, Yuanyuan Deng, Qihai Gong
Gastrodin (GAS), which is extracted from the Chinese herbal medicine Gastrodia elata Blume, has long been used to improve stroke, epilepsy, dizziness and dementia. However, the effects and underlying mechanisms of GAS on subacute phase cerebral ischemia‑reperfusion (I/R) injury remain unknown. The aim of the present study was to investigate the effects and mechanisms of GAS on cerebral I/R injury in rats. The rats were pretreated with GAS by gavage for 7 days followed by I/R surgery, and were then treated with GAS for 7 days after I/R surgery...
September 26, 2016: Molecular Medicine Reports
(no author information available yet)
The cover image, by Stéphanie Moortgat et al., is based on the Original Article Two novel EIF2S3 mutations associated with syndromic intellectual disability with severe microcephaly, growth retardation, and epilepsy, DOI: 10.1002/ajmg.a.37792.
November 2016: American Journal of Medical Genetics. Part A
John G Conboy
The Rbfox genes encode an ancient family of sequence-specific RNA binding proteins (RBPs) that are critical developmental regulators in multiple tissues including skeletal muscle, cardiac muscle, and brain. The hallmark of Rbfox proteins is a single high-affinity RRM domain, highly conserved from insects to humans, that binds preferentially to UGCAUG motifs at diverse regulatory sites in pre-mRNA introns, mRNA 3'UTRs, and pre-miRNAs hairpin structures. Versatile regulatory circuits operate on Rbfox pre-mRNA and mRNA to ensure proper expression of Rbfox1 protein isoforms, which then act on the broader transcriptome to regulate alternative splicing networks, mRNA stability and translation, and microRNA processing...
October 17, 2016: Wiley Interdisciplinary Reviews. RNA
Evangelia I Zacharaki, Iosif Mporas, Kyriakos Garganis, Vasileios Megalooikonomou
Epileptiform discharges in interictal electroencephalography (EEG) form the mainstay of epilepsy diagnosis and localization of seizure onset. Visual analysis is rater-dependent and time consuming, especially for long-term recordings, while computerized methods can provide efficiency in reviewing long EEG recordings. This paper presents a machine learning approach for automated detection of epileptiform discharges (spikes). The proposed method first detects spike patterns by calculating similarity to a coarse shape model of a spike waveform and then refines the results by identifying subtle differences between actual spikes and false detections...
June 2016: Brain Informatics
Hadi Ratham Al Ghayab, Yan Li, Shahab Abdulla, Mohammed Diykh, Xiangkui Wan
Electroencephalogram (EEG) signals are used broadly in the medical fields. The main applications of EEG signals are the diagnosis and treatment of diseases such as epilepsy, Alzheimer, sleep problems and so on. This paper presents a new method which extracts and selects features from multi-channel EEG signals. This research focuses on three main points. Firstly, simple random sampling (SRS) technique is used to extract features from the time domain of EEG signals. Secondly, the sequential feature selection (SFS) algorithm is applied to select the key features and to reduce the dimensionality of the data...
June 2016: Brain Informatics
Enamul Kabir, Siuly, Yanchun Zhang
Reliable analysis of electroencephalogram (EEG) signals is crucial that could lead the way to correct diagnostic and therapeutic methods for the treatment of patients with neurological abnormalities, especially epilepsy. This paper presents a novel analysis system for detecting epileptic seizure from EEG signals, which uses statistical features based on optimum allocation technique (OAT) with logistic model trees (LMT). The analysis involves applying the OAT to select representative EEG signals that reflect the entire database...
June 2016: Brain Informatics
Runmei Zou, Shuo Wang, Liping Zhu, Lijia Wu, Ping Lin, Fang Li, Zhenwu Xie, Xiaohong Li, Cheng Wang
To evaluate the value of Calgary score and modified Calgary score in differential diagnosis between neurally mediated syncope and epilepsy in children. 201 children experienced one or more episodes of loss of consciousness and diagnosed as neurally mediated syncope or epilepsy were enrolled. Calgary score, modified Calgary score and receiver-operating characteristic curve were used to explore the predictive value in differential diagnosis. There were significant differences in median Calgary score between syncope [-4...
October 17, 2016: Neurological Sciences
Joe Bathelt, Duncan Astle, Jessica Barnes, F Lucy Raymond, Kate Baker
Childhood speech and language deficits are highly prevalent and are a common feature of neurodevelopmental disorders. However, it is difficult to investigate the underlying causal pathways because many diagnostic groups have a heterogeneous aetiology. Studying disorders with a shared genetic cause and shared cognitive deficits can provide crucial insight into the cellular mechanisms and neural systems that give rise to those impairments. The current study investigated structural brain differences of individuals with mutations in ZDHHC9, which is associated with a specific neurodevelopmental phenotype including prominent speech and language impairments and intellectual disability...
2016: NeuroImage: Clinical
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