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Epilepsie

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https://www.readbyqxmd.com/read/29351667/what-to-expect-and-when-benznidazole-toxicity-in-chronic-chagas-disease-treatment
#1
E Aldasoro, E Posada, A Requena-Méndez, A Calvo-Cano, N Serret, A Casellas, S Sanz, D Soy, M J Pinazo, J Gascon
Background: Benznidazole is one of the two most effective antiparasitic drugs for Chagas' disease treatment. However, knowledge about its toxicity profile is mostly based on post-marketing observational studies. Objectives: Our study combines data from two prospective clinical trials designed to assess the safety of the drug newly produced by ELEA Laboratories (Abarax®). Methods: Eligible participants were selected using a consecutive sampling strategy in the CINEBENZ and BIOMARCHA studies between 2013 and 2016 (EUDRACT 2011-002900-34 and 2012-002645-38, respectively, and clinicaltrials...
January 16, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29351584/the-roles-of-left-versus-right-anterior-temporal-lobes-in-semantic-memory-a-neuropsychological-comparison-of-postsurgical-temporal-lobe-epilepsy-patients
#2
Grace E Rice, Helen Caswell, Perry Moore, Paul Hoffman, Matthew A Lambon Ralph
The presence and degree of specialization between the anterior temporal lobes (ATLs) is a key issue in debates about the neural architecture of semantic memory. Here, we comprehensively assessed multiple aspects of semantic cognition in a large group of postsurgical temporal lobe epilepsy (TLE) patients with left versus right anterior temporal lobectomy (n = 40). Both subgroups showed deficits in expressive and receptive verbal semantic tasks, word and object recognition, naming and recognition of famous faces and perception of faces and emotions...
January 17, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29351559/characterisation-of-ictal-and-interictal-states-of-epilepsy-a-system-dynamic-approach-of-principal-dynamic-modes-analysis
#3
Zabit Hameed, Saqib Saleem, Jawad Mirza, Muhammad Salman Mustafa, Qamar-Ul-Islam
Epilepsy is a brain disorder characterised by the recurrent and unpredictable interruptions of normal brain function, called epileptic seizures. The present study attempts to derive new diagnostic indices which may delineate between ictal and interictal states of epilepsy. To achieve this, the nonlinear modeling approach of global principal dynamic modes (PDMs) is adopted to examine the functional connectivity of the temporal and frontal lobes with the occipital brain segment using an ensemble of paediatric EEGs having the presence of epileptic seizure...
2018: PloS One
https://www.readbyqxmd.com/read/29350438/astrocytic-glutamine-synthetase-is-expressed-in-the-neuronal-somatic-layers-and-down-regulated-proportionally-to-neuronal-loss-in-the-human-epileptic-hippocampus
#4
Ismini E Papageorgiou, Nektarios A Valous, Bernd Lahrmann, Hana Janova, Zin-Juan Klaft, Arend Koch, Ulf C Schneider, Peter Vajkoczy, Frank L Heppner, Niels Grabe, Niels Halama, Uwe Heinemann, Oliver Kann
Human mesial temporal lobe epilepsy (MTLE) features subregion-specific hippocampal neurodegeneration and reactive astrogliosis, including up-regulation of the glial fibrillary acidic protein (GFAP) and down-regulation of glutamine synthetase (GS). However, the regional astrocytic expression pattern of GFAP and GS upon MTLE-associated neurodegeneration still remains elusive. We assessed GFAP and GS expression in strict correlation with the local neuronal number in cortical and hippocampal surgical specimens from 16 MTLE patients using immunohistochemistry, stereology and high-resolution image analysis for digital pathology and whole-slide imaging...
January 19, 2018: Glia
https://www.readbyqxmd.com/read/29350262/vagal-nerve-stimulation-for-medically-refractory-epilepsy-in-angelman-syndrome-a-series-of-three-cases
#5
REVIEW
Krystal L Tomei, Christine Y Mau, Michael Ghali, Jayoung Pak, Ira M Goldstein
BACKGROUND: We describe three children with Angelman syndrome and medically refractory epilepsy. METHODS: Case series of three pediatric patients with Angelman syndrome and medically refractory epilepsy. All three patients failed medical treatment and were recommended for vagal nerve stimulator (VNS) implantation. RESULTS: Following VNS implantation, all three patients experienced reduction in seizure frequency greater than that afforded by medication alone...
January 19, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29350182/the-role-of-eeg-in-the-diagnosis-and-classification-of-the-epilepsy-syndromes-a-tool-for-clinical-practice-by-the-ilae-neurophysiology-task-force-part-2
#6
Michalis Koutroumanidis, Alexis Arzimanoglou, Roberto Caraballo, Sushma Goyal, Anna Kaminska, Pramote Laoprasert, Hirokazu Oguni, Guido Rubboli, William Tatum, Pierre Thomas, Eugen Trinka, Luca Vignatelli, Solomon L Moshé
The concept of epilepsy syndromes, introduced in 1989, was defined as "clusters of signs and symptoms customarily occurring together". Definition of epilepsy syndromes based on electro-clinical features facilitated clinical practice and, whenever possible, clinical research in homogeneous groups of patients with epilepsies. Progress in the fields of neuroimaging and genetics made it rapidly clear that, although crucial, the electro-clinical description of epilepsy syndromes was not sufficient to allow much needed development of targeted therapies and a better understanding of the underlying pathophysiological mechanisms of seizures...
December 1, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/29349679/autoimmune-encephalitis-associated-with-glutamic-acid-decarboxylase-antibodies-a-case-series
#7
Faruk Incecik, Ozlem M Herguner, Seyda Besen, Mustafa Yılmaz
Antibodies against glutamic acid decarboxylase (GAD) are associated with various neurologic conditions described in patients including stiff person syndrome, cerebellar ataxia, refractory epilepsy, limbic and extralimbic encephalitis. GAD antibodies-related limbic encephalitis cases are well described; reports of extralimbic involvement are limited. We describe four cases of GAD antibody-related autoimmune encephalitis. Three of them had extralimbic involvement and only one had limbic encephalitis.
January 18, 2018: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29348546/epilepsy-in-2017-precision-medicine-drives-epilepsy-classification-and-therapy
#8
Sameer M Zuberi, Andreas Brunklaus
No abstract text is available yet for this article.
January 19, 2018: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/29348303/absence-epilepsy-beyond-adolescence-an-outcome-analysis-after-45-years-of-follow-up
#9
Martin Holtkamp, Dieter Janz, Andrea Kirschbaum, Alexander B Kowski, Bernd J Vorderwülbecke
OBJECTIVES: Depending on patient age at onset, absence epilepsy is subdivided into childhood and juvenile forms. Absence seizures can occur several times per day (pyknoleptic course) or less frequently than daily (non-pyknoleptic course). Seizures typically terminate before adulthood, but a quarter of patients need ongoing treatment beyond adolescence. Little is known about their long-term seizure and psychosocial outcome. METHODS: Files of 135 outpatients with absence epilepsy (76 females; 123 had additional generalised tonic-clonic seizures) were retrospectively analysed after a median follow-up of 45...
January 18, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29346658/potential-for-diet-to-prevent-and-remediate-cognitive-deficits-in-neurological-disorders
#10
Heather M Francis, Richard J Stevenson
The pathophysiology of many neurological disorders involves oxidative stress, neuroinflammation, and mitochondrial dysfunction. There is now substantial evidence that diet can decrease these forms of pathophysiology, and an emerging body of literature relatedly suggests that diet can also prevent or even remediate the cognitive deficits observed in neurological disorders that exhibit such pathology (eg, Alzheimer's disease, multiple sclerosis, age-related cognitive decline, epilepsy). The current review summarizes the emerging evidence in relation to whole diets prominent in the scientific literature-ketogenic, caloric restriction, high polyphenol, and Mediterranean diets-and provides a discussion of the possible underlying neurophysiological mechanisms...
January 15, 2018: Nutrition Reviews
https://www.readbyqxmd.com/read/29346599/magnetic-resonance-imaging-guided-laser-interstitial-thermal-therapy-for-the-treatment-of-hypothalamic-hamartomas-a-retrospective-review
#11
David S Xu, Tsinsue Chen, Randall J Hlubek, Ruth E Bristol, Kris A Smith, Francisco A Ponce, John F Kerrigan, Peter Nakaji
BACKGROUND: Hypothalamic hamartomas (HH) are rare lesions associated with treatment-resistant epilepsy. Open surgery results in modest seizure control (about 50%) but has a significant associated morbidity. Radiosurgery is limited to a subset of patients due to latent therapeutic effects. Magnetic resonance imaging-guided laser interstitial thermal therapy (LITT) offers a novel minimally invasive option. OBJECTIVE: To evaluate a single center's outcomes for the LITT treatment of HH...
January 13, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29346105/automated-detection-of-postictal-generalized-eeg-suppression
#12
Wanchat Theeranaew, James McDonald, Bilal Zonjy, Farhad Kaffashi, Brian D Moseley, Daniel Friedman, Elson So, James Tao, Maromi Nei, Philippe Ryvlin, Rainer Surges, Roland Thijs, Stephan Schuele, Samden Lhatoo, Kenneth A Loparo
Although there is no strict consensus, some studies have reported that Postictal generalized EEG suppression (PGES) is a potential electroencephalographic (EEG) biomarker for risk of sudden unexpected death in epilepsy (SUDEP). PGES is an epoch of EEG inactivity after a seizure, and the detection of PGES in clinical data is extremely difficult due to artifacts from breathing, movement and muscle activity that can adversely affect the quality of the recorded EEG data. Even clinical experts visually interpreting the EEG will have diverse opinions on the start and end of PGES for a given patient...
February 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/29346088/intense-olfactory-stimulation-blocks-seizures-in-an-experimental-model-of-epilepsy
#13
Polianna Delfino-Pereira, Poliana Bertti-Dutra, Eduardo Henrique de Lima Umeoka, José Antônio Cortes de Oliveira, Victor Rodrigues Santos, Artur Fernandes, Simone Saldanha Marroni, Flávio Del Vecchio, Norberto Garcia-Cairasco
There are reports of patients whose epileptic seizures are prevented by means of olfactory stimulation. Similar findings were described in animal models of epilepsy, such as the electrical kindling of amygdala, where olfactory stimulation with toluene (TOL) suppressed seizures in most rats, even when the stimuli were 20% above the threshold to evoke seizures in already kindled animals. The Wistar Audiogenic Rat (WAR) strain is a model of tonic-clonic seizures induced by acute acoustic stimulation, although it also expresses limbic seizures when repeated acoustic stimulation occurs - a process known as audiogenic kindling (AK)...
January 12, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29344935/progressive-topological-disorganization-of-brain-network-in-focal-epilepsy
#14
K M Park, B I Lee, K J Shin, S Y Ha, J Park, T H Kim, C W Mun, S E Kim
OBJECTIVE: Increasing evidence has suggested that epilepsy is a network disease. Graph theory is a mathematical tool that allows for the analysis and quantification of the brain network. We aimed to evaluate the influences of duration of epilepsy on the topological organization of brain network in focal epilepsy patients with normal MRI using the graph theoretical analysis based on diffusion tenor imaging. METHODS: We prospectively enrolled 66 patients with focal epilepsy (18/66 patients were newly diagnosed) and 84 healthy subjects...
January 17, 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29344473/intractable-epilepsy-with-solitary-cerebral-calcification
#15
Kyoung Jin Hwang, Jiyoung Kim, Eun Yeon Joo, Seung Bong Hong, Seung-Chyul Hong, Dae Won Seo
Cerebral calcification is a common incidental finding upon brain imaging and its epileptogenicity is often underestimated. Here, we report a case of intractable epilepsy arising in conjunction with a solitary cerebral calcification. A 42-year-old male with intractable epilepsy was admitted to the epilepsy clinic for invasive epilepsy surgery. Brain magnetic resonance imaging revealed a slight high-intensity signal change in the right amygdala and a small, calcified lesion in the right lateral temporal region...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344469/successful-use-of-therapeutic-hypothermia-for-refractory-nonconvulsive-status-epilepticus
#16
Do-Hyung Kim, Hye-Hoon Kang, Minjung Kim, Tae-Won Yang, Oh-Young Kwon, Jung Sook Yeom, Bong Su Kang, Yong Hwan Kim, Young-Soo Kim
Therapeutic hypothermia (TH) has rarely been utilized as an adjunct to anticonvulsants in treating patients with refractory convulsive status epilepticus (CSE). However, determining the effectiveness of TH in CSE is difficult due to the unavoidable use of sedative drugs to manage hypothermia. Additionally, the effectiveness of TH has not been studied in patients with refractory non-convulsive status epilepticus (NCSE). Here, we report the successful use of TH without additional sedative drugs in a patient with temporal lobe epilepsy and refractory NCSE...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344467/longitudinal-change-in-thyroid-hormone-levels-in-children-with-epilepsy-on-a-ketogenic-diet-prevalence-and-risk-factors
#17
Yun-Jin Lee, Sang Ook Nam, Kyung-Min Kim, Young Mi Kim, Gyu Min Yeon
Background and Purpose: The aim of this study is to evaluate the prevalence of hypothyroidism and the change of thyroid hormone level in the children with epilepsy on a ketogenic diet (KD). Methods: The levels of serum free thyroxine (fT4) and thyroid-stimulation hormone (TSH) were measured at the start of the KD and at 6- to 12-month intervals in children with intractable epilepsy. Hypothyroidism was defined as fT4 level < 0.8 ng/dL and TSH level > 6.0 μIU/mL...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344466/comparison-of-autonomic-function-before-and-after-surgical-intervention-in-patients-with-temporal-lobe-epilepsy
#18
Navita Choudhary, Kishore K Deepak, Poodipedi S Chandra, Shalini Bhatia, Rajesh Sagar, Ashok K Jaryal, Ravindra M Pandey, Manjari Tripathi
Background and Purpose: Refractory temporal lobe epilepsy (TLE) is commonly associated with imbalances in cardiovascular (CV) parasympathetic and sympathetic functions, which are treated using TLE surgery. We investigated the effect of hemispheric lateralization of seizure foci on autonomic CV functions before and after TLE surgery. Methods: The study was conducted on patients with left TLE (LTLE, n = 23) and right TLE (RTLE, n = 30) undergoing unilateral TLE surgery...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344465/grey-and-white-matter-alterations-in-juvenile-myoclonic-epilepsy-a-comprehensive-review
#19
REVIEW
Ji Hyun Kim
Juvenile myoclonic epilepsy (JME) has been classified as a syndrome of idiopathic generalized epilepsy and is characterized by a strong genetic basis, age-specific onset of seizures, specific types of seizures, generalized spike-wave discharges on electroencephalography, and a lack of focal abnormality on magnetic resonance imaging (MRI). Recently, a wide range of advanced neuroimaging techniques have been utilized to elucidate the neuroanatomical substrates and pathophysiological mechanisms underlying JME...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344464/cannabinoids-in-the-treatment-of-epilepsy-hard-evidence-at-last
#20
REVIEW
Emilio Perucca
The interest in cannabis-based products for the treatment of refractory epilepsy has skyrocketed in recent years. Marijuana and other cannabis products with high content in Δ(9) - tetrahydrocannabinol (THC), utilized primarily for recreational purposes, are generally unsuitable for this indication, primarily because THC is associated with many undesired effects. Compared with THC, cannabidiol (CBD) shows a better defined anticonvulsant profile in animal models and is largely devoid of adverse psychoactive effects and abuse liability...
December 2017: Journal of Epilepsy Research
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