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https://www.readbyqxmd.com/read/28407518/evaluating-executive-function-in-patients-with-temporal-lobe-epilepsy-using-the-frontal-assessment-battery
#1
Elmira Agah, Nasima Asgari-Rad, Mona Ahmadi, Abbas Tafakhori, Vajiheh Aghamollaii
Previous studies have demonstrated executive dysfunction in patients with temporal lobe epilepsy (TLE). Frontal assessment battery (FAB) is a short neuropsychological tool that was developed for assessment of frontal lobe function in a clinical setting. The aim of the present study is to evaluate the clinical utility of FAB for detection of executive dysfunction in TLE patients. Forty-eight TLE patients and 48 sex and age-matched healthy controls participated in this study. Compared to healthy participants, the total FAB score was significantly lower among the TLE patients...
April 5, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28393415/the-insertion-of-electrodes-in-the-brain-for-electrophysiological-recording-or-chronic-stimulation-is-not-associated-with-any-biochemically-detectable-neuronal-injury
#2
Marios S Themistocleous, Damianos E Sakas, Efstathios Boviatsis, George Tagaris, Andreas Kouyialis, Christina Psachoulia, Pantelis Stathis
OBJECTIVE: The aim of this study was to evaluate the degree of brain tissue injury that could be potentially induced by the introduction of a) microrecording electrodes, b) macrostimulation electrodes, or c) chronic stimulation electrodes. We aimed to evaluate whether the use of five simultaneous microrecording tracks is associated with any brain injury not detectable by conventional imaging such as CT or MRI. MATERIALS AND METHODS: The study included 61 patients who underwent surgery for implantation of 121 DBS leads...
April 10, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28387951/brain-responsive-neurostimulation-in-patients-with-medically-intractable-seizures-arising-from-eloquent-and-other-neocortical-areas
#3
Barbara C Jobst, Ritu Kapur, Gregory L Barkley, Carl W Bazil, Michel J Berg, Gregory K Bergey, Jane G Boggs, Sydney S Cash, Andrew J Cole, Michael S Duchowny, Robert B Duckrow, Jonathan C Edwards, Stephan Eisenschenk, A James Fessler, Nathan B Fountain, Eric B Geller, Alica M Goldman, Robert R Goodman, Robert E Gross, Ryder P Gwinn, Christianne Heck, Aamr A Herekar, Lawrence J Hirsch, David King-Stephens, Douglas R Labar, W R Marsh, Kimford J Meador, Ian Miller, Eli M Mizrahi, Anthony M Murro, Dileep R Nair, Katherine H Noe, Piotr W Olejniczak, Yong D Park, Paul Rutecki, Vicenta Salanova, Raj D Sheth, Christopher Skidmore, Michael C Smith, David C Spencer, Shraddha Srinivasan, William Tatum, Paul Van Ness, David G Vossler, Robert E Wharen, Gregory A Worrell, Daniel Yoshor, Richard S Zimmerman, Tara L Skarpaas, Martha J Morrell
OBJECTIVE: Evaluate the seizure-reduction response and safety of brain-responsive stimulation in adults with medically intractable partial-onset seizures of neocortical origin. METHODS: Patients with partial seizures of neocortical origin were identified from prospective clinical trials of a brain-responsive neurostimulator (RNS System, NeuroPace). The seizure reduction over years 2-6 postimplantation was calculated by assessing the seizure frequency compared to a preimplantation baseline...
April 7, 2017: Epilepsia
https://www.readbyqxmd.com/read/28387627/surgery-guided-with-intraoperative-electrocorticography-in-patients-with-low-grade-glioma-and-refractory-seizures
#4
Pei-Sen Yao, Shu-Fa Zheng, Feng Wang, De-Zhi Kang, Yuan-Xiang Lin
OBJECTIVE Using intraoperative electrocorticography (ECoG) to identify epileptogenic areas and improve postoperative seizure control in patients with low-grade gliomas (LGGs) remains inconclusive. In this study the authors retrospectively report on a surgery strategy that is based on intraoperative ECoG monitoring. METHODS A total of 108 patients with LGGs presenting at the onset of refractory seizures were included. Patients were divided into 2 groups. In Group I, all patients underwent gross-total resection (GTR) combined with resection of epilepsy areas guided by intraoperative ECoG, while patients in Group II underwent only GTR...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28386929/extratemporal-disconnective-procedures-for-the-treatment-of-epilepsy-in-children
#5
Marcelo Volpon Santos, Hélio Rubens Machado
Surgical treatment of epilepsy in children often involves brain areas outside the temporal lobe and, therefore, techniques for extratemporal surgery must be included in the armamentarium of epilepsy surgery centers. Nowadays, disconnective procedures are preferable to traditional resective operations because they reduce the rate of complications related to extensive resections while achieving equivalent seizure outcomes. This article describes the practical anatomy and surgical techniques used for temporoparietooccipital (TPO), parietooccipital, and frontal disconnections, as well as the possibility of extending previous lobar disconnections to the whole hemisphere (hemispherotomy)...
April 2017: Epilepsia
https://www.readbyqxmd.com/read/28386926/extratemporal-resections-in-pediatric-epilepsy-surgery-an-overview
#6
Jeffrey P Blount
Despite optimized medical treatment, approximately one third of all patients with epilepsy continue to have seizures and by definition have medically resistant epilepsy (MRE). For these patients, surgical disruption of the epileptogenic network may enable freedom or great improvement in control of their seizures. The success of surgery is dependent on accurate localization of the epileptogenic zone and network. Epilepsy arising from regions of cortical dysplasia within the neocortex of the frontal, parietal, and occipital lobes show a propensity for reorganization and progressive decline in seizure freedom and consequent poorer surgical outcome...
April 2017: Epilepsia
https://www.readbyqxmd.com/read/28373797/refractory-lesional-parietal-lobe-epilepsy-clinical-electroencephalographic-and-neurodiagnostic-findings
#7
Oğuzhan Kurşun, Hülya Karataş, Neşe Dericioğlu, Serap Saygi
INTRODUCTION: Specialized centers, in the management and surgical treatment of medically refractory epilepsy, emphasize the importance of differentiating the varieties of localization related epilepsies. There has been considerable recent interest in temporal and frontal lobe epileptic syndromes and less attention has been paid to parietal and occipital lobe epilepsies. METHODS: Here we report the clinical, electroencephalographic and neuroimaging characteristics of 46 patients with medically refractory lesional parietal lobe epilepsy who have been followed up for 1-10 years...
September 2016: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28366665/the-phe932ile-mutation-in-kcnt1-channels-associated-with-severe-epilepsy-delayed-myelination-and-leukoencephalopathy-produces-a-loss-of-function-channel-phenotype
#8
Katherine M Evely, Kerri D Pryce, Arin Bhattacharjee
Sodium-activated potassium (KNa) channels contribute to firing frequency adaptation and slow after hyperpolarization. The KCNT1 gene (also known as SLACK) encodes a KNa subunit that is expressed throughout the central and peripheral nervous systems. Missense mutations of the SLACK C-terminus have been reported in several patients with rare forms of early onset epilepsy and in some cases severely delayed myelination. To date, such mutations identified in patients with autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE), epilepsy of infancy with migrating focal seizures (EIMFS) and Ohtahara syndrome (OS) have been reported to be gain-of-function mutations (Villa and Combi, 2016)...
March 31, 2017: Neuroscience
https://www.readbyqxmd.com/read/28324765/hd-tdcs-in-refractory-lateral-frontal-lobe-epilepsy-patients
#9
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...
April 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
#10
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
#11
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...
May 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
#12
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
#13
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
#14
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/28286682/rheumatoid-meningitis-occurring-during-etanercept-treatment
#15
Koji Tsuzaki, Takashi Nakamura, Hiroyuki Okumura, Naoko Tachibana, Toshiaki Hamano
We report a 65-year-old man who had repetitive seizures 6 months after receiving etanercept, methotrexate, and prednisolone for rheumatoid arthritis. Mononuclear cells were mildly increased in the cerebrospinal fluid (CSF). Brain magnetic resonance imaging (MRI) showed high intensity along sulci of the frontal and parietal lobes. Brain biopsy revealed lymphocyte and plasma cell infiltration in the meninges, confirming the diagnosis of rheumatoid meningitis. After steroid pulse therapy, seizures resolved and clinical findings improved...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28279512/intracranial-video-eeg-monitoring-in-presurgical-evaluation-of-patients-with-refractory-epilepsy
#16
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/28238621/psychiatric-and-behavioral-side-effects-of-anti-epileptic-drugs-in-adolescents-and-children-with-epilepsy
#17
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/28222686/ipsiversive-ictal-eye-deviation-in-inferioposterior-temporal-lobe-epilepsy-two-seeg-cases-report
#18
Wei Zhang, Xingzhou Liu, Lijun Zuo, Qiang Guo, Qi Chen, Yongjun Wang
BACKGROUND: Versive seizure characterized by conjugate eye movement during epileptic seizure has been considered commonly as one of the most valuable semiological signs for epilepsy localization, especially for frontal lobe epilepsy. However, thelateralizing and localizing significance of ictaleye deviation has been questioned by clinical observation of a series of focal epilepsy studies, including frontal, central, temporal, parietal and occipital epilepsy. CASE PRESENTATION: Two epileptic cases characterized by ipsiversive eye deviation as initial clinical sign during the habitual epileptic seizures are presented in this paper...
February 21, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28202703/investigations-in-gabaa-receptor-antibody-associated-encephalitis
#19
Marianna Spatola, Mar Petit-Pedrol, Mateus Mistieri Simabukuro, Thaís Armangue, Fernanda J Castro, Maria I Barcelo Artigues, Maria R Julià Benique, Leslie Benson, Mark Gorman, Ana Felipe, Ruben L Caparó Oblitas, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To report the clinical features, comorbidities, receptor subunit targets, and outcome in patients with anti-GABAA receptor (GABAAR) encephalitis. METHODS: Clinical study of 26 patients, including 17 new (April 2013-January 2016) and 9 previously reported patients. Antibodies to α1, β3, and γ2 subunits of the GABAAR were determined using reported techniques. RESULTS: Patients' median age was 40.5 years (interquartile range 48...
March 14, 2017: Neurology
https://www.readbyqxmd.com/read/28188304/-18-f-fdg-pet-patterns-of-surgical-success-and-failure-in-mesial-temporal-lobe-epilepsy
#20
Francine Chassoux, Eric Artiges, Franck Semah, Agathe Laurent, Elisabeth Landré, Baris Turak, Philippe Gervais, Badia-Ourkia Helal, Bertrand Devaux
OBJECTIVE: To search for [(18)F]-fluorodeoxyglucose (FDG)-PET patterns predictive of long-term prognosis in surgery for drug-resistant mesial temporal lobe epilepsy (MTLE) due to hippocampal sclerosis (HS). METHODS: We analyzed metabolic data with [(18)F]-FDG-PET in 97 patients with MTLE (53 female participants; age range 15-56 years) with unilateral HS (50 left) and compared the metabolic patterns, electroclinical features, and structural atrophy on MRI in patients with the best outcome after anteromesial temporal resection (Engel class IA, completely seizure-free) to those with a non-IA outcome, including suboptimal outcome and failure...
March 14, 2017: Neurology
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