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https://www.readbyqxmd.com/read/28340402/eslicarbazepine-acetate-as-a-therapeutic-option-in-a-patient-with-carbamazepine-induced-rash-and-hla-a-31-01
#1
Lara Kay, Laurent M Willems, Johann Philipp Zöllner, Philipp S Reif, Karl Martin Klein, Felix Rosenow, Adam Strzelczyk
Eslicarbazepine acetate (ESL) is an anticonvulsant drug approved for the treatment of focal epilepsies, and related to oxcarbazepine and carbamazepine (CBZ), which are also derivatives of the dibenzazepine family. ESL is contraindicated in patients with hypersensitivity reactions to CBZ.We report a patient with frontal lobe epilepsy responding to treatment with ESL without any serious adverse effects after developing a severe skin rash following treatment with CBZ. HLA testing revealed an HLA-A*31:01 haplotype, that increases the risk of CBZ-induced cutaneous reactions...
March 18, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28334963/three-and-four-dimensional-mapping-of-speech-and-language-in-patients-with-epilepsy
#2
Yasuo Nakai, Jeong-Won Jeong, Erik C Brown, Robert Rothermel, Katsuaki Kojima, Toshimune Kambara, Aashit Shah, Sandeep Mittal, Sandeep Sood, Eishi Asano
We have provided 3-D and 4D mapping of speech and language function based upon the results of direct cortical stimulation and event-related modulation of electrocorticography signals. Patients estimated to have right-hemispheric language dominance were excluded. Thus, 100 patients who underwent two-stage epilepsy surgery with chronic electrocorticography recording were studied. An older group consisted of 84 patients at least 10 years of age (7367 artefact-free non-epileptic electrodes), whereas a younger group included 16 children younger than age 10 (1438 electrodes)...
March 16, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28324765/hd-tdcs-in-refractory-lateral-frontal-lobe-epilepsy-patients
#3
Sanaz Ahmadi Karvigh, Mahmoud Motamedi, Mahsa Arzani, Javad Hasan Nia Roshan
PURPOSE: To evaluate the anticonvulsant effect of the novel high definition transcranial direct current stimulation (HD-tDCS) method on patients with refractory lateral frontal lobe epilepsy. The effects of HD-tDCS on working memory were also examined. METHOD: 10 adult patients with intractable lateral frontal lobe epilepsy were studied. A central cathode electrode was placed on the epileptogenic zone according to LTM, and 20-min sessions of 2mA HD-tDCS were applied for 10 consecutive days...
March 14, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28324681/morphometric-mri-features-are-associated-with-surgical-outcome-in-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#4
Maria Teresa Fernandes Castilho Garcia, Larissa Botelho Gaça, Gabriel Barbosa Sandim, Idaiane Batista Assunção Leme, Henrique Carrete, Ricardo Silva Centeno, João Ricardo Sato, Elza Márcia Targas Yacubian
PURPOSE: Corticoamygdalohippocampectomy (CAH) improves seizure control, quality of life, and decreases mortality for refractory mesial temporal lobe epilepsy with hippocampal sclerosis (MTLE-HS). One-third of patients continue having seizures, and it is pivotal to determine structural abnormalities that might influence the postoperative outcome. Studies indicate that nonhippocampal regions may play a role in the epileptogenic network in MTLE-HS and could generate seizures postoperatively...
March 1, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28319879/how-can-we-explain-the-frontal-presentation-of-insular-lobe-epilepsy-the-impact-of-non-linear-analysis-of-insular-seizures
#5
Koichi Hagiwara, Julien Jung, Romain Bouet, Chifaou Abdallah, Marc Guénot, Luis Garcia-Larrea, François Mauguière, Sylvain Rheims, Jean Isnard
OBJECTIVE: For a decade it has been known that the insular lobe epilepsy can mimic frontal lobe epilepsy. We aimed to clarify the pattern of functional coupling occurring during the frontal presentation. METHODS: We analyzed five insular lobe epilepsy patients. Frontal semiology was predominant for three of them, whereas insular semiology was predominant for the two others. We applied the non-linear regression analysis to stereoelectroencephalography-recorded seizures...
February 13, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28315958/brain-tumor-location-influences-the-onset-of-acute-psychiatric-adverse-events-of-levetiracetam-therapy-an-observational-study
#6
Vincenzo Belcastro, Laura Rosa Pisani, Silvio Bellocchi, Paolo Casiraghi, Gaetano Gorgone, Marco Mula, Francesco Pisani
To explore possible correlations among brain lesion location, development of psychiatric symptoms and the use of antiepileptic drugs (AEDs) in a population of patients with brain tumor and epilepsy. The medical records of 283 patients with various types of brain tumor (161 M/122 F, mean age 64.9 years) were analysed retrospectively. Patients with grade III and IV glioma, previous history of epileptic seizures and/or psychiatric disorders were excluded. Psychiatric symptoms occurring after initiation of AED therapy were considered as treatment emergent psychiatric adverse events (TE-PAEs) if they fulfilled the following conditions: (1) onset within 4 weeks after the beginning of AED therapy; (2) disappearance on drug discontinuation; (3) absence of any other identified possible concurrent cause...
March 18, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28298843/ictal-asystole-a-rare-cardiac-manifestation-of-temporal-lobe-epilepsy-treated-with-epilepsy-surgery
#7
Shreyas Hasmukh Ravat, Amit Ashok Bhatti, Mansi Viraj Shah, Dattatraya P Muzumdar, Sangeeta Hasmukh Ravat
Seizures are associated with fascinatingly varied cardiac and autonomic manifestations, of which ictal tachycardia is common, and asystole and bradycardia are rare. Ictal asystole (IA), an often unsought autonomic phenomenon, occurs most commonly with temporal followed by frontal lobe seizures. Prolonged IA may lead to cerebral anoxic ischemia. As the mysteries of sudden unexplained death in epilepsy are unraveled, it is quite possible that the key to it lays within these seizure-induced cardiac rhythm abnormalities...
January 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28288357/epilepsy-prevalence-and-severity-predictors-in-mri-identified-focal-cortical-dysplasia
#8
Lauren M Maynard, James L Leach, Paul S Horn, Christine G Spaeth, Francesco T Mangano, Katherine D Holland, Lili Miles, Robert Faist, Hansel M Greiner
OBJECTIVES: To determine the prevalence of epilepsy and drug-resistant epilepsy in pediatric patients with focal cortical dysplasia (FCD) identified by magnetic resonance imaging (MRI). To determine clinical and imaging differences between those with drug-resistant epilepsy, drug-responsive epilepsy, and no epilepsy among children with MRI-identified FCD. METHODS: A keyword search of a hospital radiology database identified 97 study participants for inclusion in this retrospective study...
March 6, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28286918/altered-effective-connectivity-network-in-childhood-absence-epilepsy-a-multi-frequency-meg-study
#9
Caiyun Wu, Jing Xiang, Wenwen Jiang, Shuyang Huang, Yuan Gao, Lu Tang, Yuchen Zhou, Di Wu, Qiqi Chen, Zheng Hu, Xiaoshan Wang
Using multi-frequency magnetoencephalography (MEG) data, we investigated whether the effective connectivity (EC) network of patients with childhood absence epilepsy (CAE) is altered during the inter-ictal period in comparison with healthy controls. MEG data from 13 untreated CAE patients and 10 healthy controls were recorded. Correlation analysis and Granger causality analysis were used to construct an EC network at the source level in eight frequency bands. Alterations in the spatial pattern and topology of the network in CAE were investigated by comparing the patients with the controls...
March 12, 2017: Brain Topography
https://www.readbyqxmd.com/read/28279892/thin-isotropic-flair-mr-images-at-1-5t-increase-the-yield-of-focal-cortical-dysplasia-transmantle-sign-detection-in-frontal-lobe-epilepsy
#10
Vasileios Kokkinos, Alexandros Kallifatidis, Eftychia Z Kapsalaki, Nikolaos Papanikolaou, Kyriakos Garganis
OBJECTIVE: The transmantle sign is a distinctive imaging marker of focal cortical dysplasia (FCD) type II in frontal lobe epilepsy (FLE), which is revealed predominantly by fluid-attenuation inversion recovery (FLAIR) sequences. Although the transmantle sign detection yield is high by routine imaging protocols for epilepsy at 3T, most centers around the world have access to 1.5T MR technology and FLE patients often receive negative imaging reports. This study investigates the optimization of transmantle detection yield at 1...
March 2, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28279512/intracranial-video-eeg-monitoring-in-presurgical-evaluation-of-patients-with-refractory-epilepsy
#11
Marlena Hupalo, Rafal Wojcik, Dariusz J Jaskolski
OBJECTIVE: Reviewing our experience in intracranial video-EEG monitoring in the presurgical evaluation of patients with refractory epilepsy. METHODS: We report on 62 out of 202 (31%) patients with refractory epilepsy, who underwent a long term video-EEG monitoring (LTM). The epileptogenic zone (EZ) was localised either based on the results of LTM or after intracranial EEG recordings from depth, subdural or foramen ovale electrodes. The decision on the location of the electrodes was based upon semiology of the seizures, EEG findings and the lesions visualised in MRI brain scan...
March 2, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28273943/increased-nrg1-erbb4-signaling-in-human-symptomatic-epilepsy
#12
Jun-Ming Zhu, Ke-Xin Li, Shu-Xia Cao, Xiao-Juan Chen, Chen-Jie Shen, Ying Zhang, Hong-Yan Geng, Bi-Qing Chen, Hong Lian, Jian-Min Zhang, Xiao-Ming Li
Previous studies have shown that the neuregulin 1 (NRG1)-ErbB4 signaling pathway may regulate the excitability of fast-spiking neurons in the frontal cortex and participate in primary epilepsy pathogenesis. However, the exact roles and mechanism for NRG1/ErbB4 in human symptomatic epilepsy are still unclear. Using fresh human symptomatic epilepsy tissues, we found that the protein levels of NRG1 and ErbB4 were significantly increased in the temporal cortex. In addition, NRG1-ErbB4 signaling suppressed phosphorylation of GluN2B at position 1472 by Src kinase, and decreased levels of phosphorylation level of GluN2B and Src were detected in human symptomatic epilepsy tissues...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28268499/a-phases-subtype-detection-using-different-classification-methods
#13
Fatima Machado, Cesar Teixeira, Clara Santos, Conceicao Bento, Francisco Sales, Antonio Dourado
Cyclic alternating patterns (CAPs) occur during normal sleep, but higher CAP rates are associated with abnormal conditions, such as epilepsy. Efficient automatic classification of CAP A-phase sub-types would be of remarkable importance for the consideration of CAP as a disease bio-marker. This paper reports a multi-step methodology for the classification of A-phases subtypes. The methodology encompasses: feature extraction, feature ranking, and classification (Support Vector Machine (SVM), k-Nearest Neighbor (k-NN) and Discriminant Analysis (DA))...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268428/estimation-of-resting-state-effective-connectivity-in-epilepsy-using-direct-directed-transfer-function
#14
Biswajit Maharathi, Jeffrey A Loeb, James Patton
There has been an increasing demand among neuroscientists to understand the complex network of functionally connected neural assemblies in the human brain. For this purpose, computational EEG research is widely used by researchers due to its remarkable advantage in providing high temporal resolution, and ease of analysis across different frequency bands. Here we analyzed Electrocorticographic (ECoG) signals of electrodes placed on frontal-parietal neocortex brain region of 8 pediatric epileptic patients. In order to evaluate the directed causal relationship among different brain regions, we employed a Granger causality based multivariate connectivity estimator named direct Directed Transfer Function (dDTF) to identify signal propagations among the selected set of electrode in the frequency range 1-50Hz...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28239337/local-and-distant-dysregulation-of-synchronization-around-interictal-spikes-in-bects
#15
Emilie Bourel-Ponchel, Mahdi Mahmoudzadeh, Patrick Berquin, Fabrice Wallois
Objective: High Density electroencephalography (HD EEG) is the reference non-invasive technique to investigate the dynamics of neuronal networks in Benign Epilepsy with Centro-Temporal Spikes (BECTS). Analysis of local dynamic changes surrounding Interictal Epileptic Spikes (IES) might improve our knowledge of the mechanisms that propel neurons to the hypersynchronization of IES in BECTS. Transient distant changes in the dynamics of neurons populations may also interact with neuronal networks involved in various functions that are impaired in BECTS patients...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28238621/psychiatric-and-behavioral-side-effects-of-anti-epileptic-drugs-in-adolescents-and-children-with-epilepsy
#16
B Chen, K Detyniecki, H Choi, L Hirsch, A Katz, A Legge, R Wong, A Jiang, R Buchsbaum, P Farooque
PURPOSE: The objective of the study was to compare the psychiatric and behavioral side effect (PBSE) profiles of both older and newer antiepileptic drugs (AEDs) in children and adolescent patients with epilepsy. METHOD: We used logistic regression analysis to test the correlation between 83 non-AED/patient related potential predictor variables and the rate of PBSE. We then compared for each AED the rate of PBSEs and the rate of PBSEs that led to intolerability (IPBSE) while controlling for non-AED predictors of PBSEs...
February 14, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28236761/activity-associated-with-speech-articulation-measured-through-direct-cortical-recordings
#17
Alexandra Basilakos, Julius Fridriksson, Chris Rorden, Roozbeh Behroozmand, Taylor Hanayik, Thomas Naselaris, John Del Gaizo, Jesse Breedlove, W A Vandergrift, Leonardo Bonilha
The insula has been credited with a role in a number of functions, including speech production. Here, we recorded electrocorticography (ECoG) signals from the left insula during pseudoword articulation in two patients undergoing pre-surgical monitoring for the management of medically-intractable epilepsy. Event-related band power (ERBP) activity from electrodes implanted in the superior precentral gyrus of the insula (SPGI) was compared to that of other left hemisphere regions implicated in speech production...
February 22, 2017: Brain and Language
https://www.readbyqxmd.com/read/28226673/a-phases-subtype-detection-using-different-classification-methods
#18
Fatima Machado, Cesar Teixeira, Clara Santos, Conceicao Bento, Francisco Sales, Antonio Dourado, Fatima Machado, Cesar Teixeira, Clara Santos, Conceicao Bento, Francisco Sales, Antonio Dourado, Clara Santos, Fatima Machado, Conceicao Bento, Cesar Teixeira, Francisco Sales, Antonio Dourado
Cyclic alternating patterns (CAPs) occur during normal sleep, but higher CAP rates are associated with abnormal conditions, such as epilepsy. Efficient automatic classification of CAP A-phase sub-types would be of remarkable importance for the consideration of CAP as a disease bio-marker. This paper reports a multi-step methodology for the classification of A-phases subtypes. The methodology encompasses: feature extraction, feature ranking, and classification (Support Vector Machine (SVM), k-Nearest Neighbor (k-NN) and Discriminant Analysis (DA))...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226598/estimation-of-resting-state-effective-connectivity-in-epilepsy-using-direct-directed-transfer-function
#19
Biswajit Maharathi, Jeffrey A Loeb, James Patton, Biswajit Maharathi, Jeffrey A Loeb, James Patton, Biswajit Maharathi, James Patton, Jeffrey A Loeb
There has been an increasing demand among neuroscientists to understand the complex network of functionally connected neural assemblies in the human brain. For this purpose, computational EEG research is widely used by researchers due to its remarkable advantage in providing high temporal resolution, and ease of analysis across different frequency bands. Here we analyzed Electrocorticographic (ECoG) signals of electrodes placed on frontal-parietal neocortex brain region of 8 pediatric epileptic patients. In order to evaluate the directed causal relationship among different brain regions, we employed a Granger causality based multivariate connectivity estimator named direct Directed Transfer Function (dDTF) to identify signal propagations among the selected set of electrode in the frequency range 1-50Hz...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226275/short-term-cerebral-activity-alterations-after-surgery-in-patients-with-unilateral-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis-a-longitudinal-resting-state-fmri-study
#20
Yingying Tang, Wei Xia, Xiaofeng Yu, Bo Zhou, Chunyan Luo, Xiaoqi Huang, Qin Chen, Qiyong Gong, Dong Zhou
PURPOSE: Mesial temporal lobe epilepsy with hippocampal sclerosis (MTLE-HS), as a brain network disorder, has given increased importance to resective surgery. We aimed to examine the short-term postoperative functional network reorganization in patients with unilateral MTLE-HS using resting-state functional magnetic resonance imaging (Rs-fMRI) data with a longitudinal design. METHOD: Seventeen (10 right-side and 7 left-side) patients with unilateral MTLE-HS were recruited...
January 3, 2017: Seizure: the Journal of the British Epilepsy Association
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