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By Alejandro Herrera Trujillo Neurosurgeon epilepsy surgery,
https://www.readbyqxmd.com/read/28063375/identifying-the-barriers-to-antiepileptic-drug-adherence-among-adults-with-epilepsy
#1
REVIEW
Geraldine O' Rourke, Julie Jordan O' Brien
PURPOSE: To identify the barriers to antiepileptic drug (AED) adherence among adults with epilepsy (AWE). The impact of AED non-adherence on quality of life (QoL) was also examined. METHOD: Systematic design (SR) study. A search strategy was undertaken with no time limits, for articles published in English, in MEDLINE, CINANL, PsycINFO, EMBASE, Cochrane databases and grey literature sources. Eligibility criteria included participants with epilepsy over 18 years, who were prescribed AEDs...
December 23, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28076834/risk-factors-for-posttraumatic-epilepsy-a-systematic-review-and-meta-analysis
#2
REVIEW
Tao Xu, Xinyuan Yu, Shu Ou, Xi Liu, Jinxian Yuan, Hao Huang, Juan Yang, Liang He, Yangmei Chen
OBJECTIVE: A systematic review and meta-analysis was performed to identify risk factors for posttraumatic epilepsy (PTE). METHODS: Two electronic databases (Medline and Embase) were searched to identify studies with a cohort, case-control, or cross-sectional design reporting on epidemiologic evidence regarding risk factors for PTE. RESULTS: Men had a higher risk of developing PTE than women [relative ratio (RR), 1.32; 95% confidence interval (CI), 1...
January 8, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28086980/inflammation-in-epileptogenesis-after-traumatic-brain-injury
#3
REVIEW
Kyria M Webster, Mujun Sun, Peter Crack, Terence J O'Brien, Sandy R Shultz, Bridgette D Semple
BACKGROUND: Epilepsy is a common and debilitating consequence of traumatic brain injury (TBI). Seizures contribute to progressive neurodegeneration and poor functional and psychosocial outcomes for TBI survivors, and epilepsy after TBI is often resistant to existing anti-epileptic drugs. The development of post-traumatic epilepsy (PTE) occurs in a complex neurobiological environment characterized by ongoing TBI-induced secondary injury processes. Neuroinflammation is an important secondary injury process, though how it contributes to epileptogenesis, and the development of chronic, spontaneous seizure activity, remains poorly understood...
January 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28088536/targeting-sonic-hedgehog-signaling-in-neurological-disorders
#4
REVIEW
Sita Sharan Patel, Sunil Tomar, Diksha Sharma, Neeraj Mahindroo, Malairaman Udayabanu
Sonic hedgehog (Shh) signaling influences neurogenesis and neural patterning during the development of central nervous system. Dysregulation of Shh signaling in brain leads to neurological disorders like autism spectrum disorder, depression, dementia, stroke, Parkinson's diseases, Huntington's disease, locomotor deficit, epilepsy, demyelinating disease, neuropathies as well as brain tumors. The synthesis, processing and transport of Shh ligand as well as the localization of its receptors and signal transduction in the central nervous system has been carefully reviewed...
January 11, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28087392/predictors-and-mechanisms-of-epilepsy-occurrence-in-cerebral-gliomas-what-to-look-for-in-clinicopathology
#5
Cheng Huang, Xiao-Sa Chi, Xin Hu, Ni Chen, Qiao Zhou, Dong Zhou, Jin-Mei Li
Gliomas, especially low-grade gliomas, are highly epileptogenic brain tumors. Histopathological information is valuable in evaluating the diagnosis and/or biologic behavior of various gliomas. Here we explored the clinical data and histopathological predictors of the occurrence of epilepsy in patients with gliomas. A retrospective study examined 310 consecutive patients who had undergone surgical treatment for gliomas in our institution from January 2013 to January 2015. Clinical data and pathological examination results were analyzed...
January 10, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28087193/immunohistochemical-study-of-metallothionein-in-patients-with-temporal-lobe-epilepsy
#6
Daniel Juárez-Rebollar, Mario Alonso-Vanegas, Concepción Nava-Ruíz, Masao Buentello-García, Petra Yescas-Gómez, Araceli Díaz-Ruíz, Camilo Rios, Marisela Méndez-Armenta
Epilepsy is characterized by spontaneous recurrent seizures and temporal lobe epilepsy (TLE) is the most common serious neurological example of acquired and frequent epilepsy. Oxidative stress is recognized as playing a contributing role in several neurological disorders, and most recently have been implicated in acquired epilepsies. The MTs occur in several brain regions and may serve as neuroprotective proteins against reactive oxygen species causing oxidative damage and stress. The main aim of this work was to describe the immunohistochemical localization of MT in the specimens derived from the patients affected by TLE...
January 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28067423/current-standards-of-neuropsychological-assessment-in-epilepsy-surgery-centers-across-europe
#7
Viola Lara Vogt, Marja Äikiä, Antonio Del Barrio, Paul Boon, Csaba Borbély, Ema Bran, Kees Braun, Evelien Carette, Maria Clark, Judith Helen Cross, Petia Dimova, Daniel Fabo, Nikolaos Foroglou, Stefano Francione, Anna Gersamia, Antonio Gil-Nagel, Alla Guekht, Sue Harrison, Hrvoje Hecimovic, Einar Heminghyt, Edouard Hirsch, Alena Javurkova, Reetta Kälviäinen, Nicole Kavan, Anna Kelemen, Vasilios K Kimiskidis, Margarita Kirschner, Catherine Kleitz, Teia Kobulashvili, Mary H Kosmidis, Selin Yagci Kurtish, Mathieu Lesourd, Sofia Ljunggren, Morten Ingvar Lossius, Kristina Malmgren, Ruta Mameniskiené, Patricia Martin-Sanfilippo, Petr Marusic, Marijke Miatton, Çiğdem Özkara, Federica Pelle, Guido Rubboli, Sarah Rudebeck, Philippe Ryvlin, Monique van Schooneveld, Elisabeth Schmid, Pia-Magdalena Schmidt, Margitta Seeck, Bernhard J Steinhoff, Sara Shavel-Jessop, Oana Tarta-Arsene, Eugen Trinka, Gerd Viggedal, Anne-Sophie Wendling, Juri-Alexander Witt, Christoph Helmstaedter
We explored the current practice with respect to the neuropsychological assessment of surgical epilepsy patients in European epilepsy centers, with the aim of harmonizing and establishing common standards. Twenty-six epilepsy centers and members of "E-PILEPSY" (a European pilot network of reference centers in refractory epilepsy and epilepsy surgery), were asked to report the status of neuropsychological assessment in adults and children via two different surveys. There was a consensus among these centers regarding the role of neuropsychology in the presurgical workup...
January 9, 2017: Epilepsia
https://www.readbyqxmd.com/read/28011391/pathophysiology-of-status-epilepticus
#8
REVIEW
Matthew C Walker
Status epilepticus (SE) is the maximal expression of epilepsy with a high morbidity and mortality. It occurs due to the failure of mechanisms that terminate seizures. Both human and animal data indicate that the longer a seizure lasts, the less likely it is to stop. Recent evidence suggests that there is a critical transition from an ictal to a post-ictal state, associated with a transition from a spatio-temporally desynchronized state to a highly synchronized state, respectively. As SE continues, it becomes progressively resistant to drugs, in particular benzodiazepines due partly to NMDA receptor-dependent internalization of GABA(A) receptors...
December 20, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28040805/dynamic-contrast-enhanced-magnetic-resonance-imaging-dce-mri-combined-with-positron-emission-tomography-computed-tomography-pet-ct-and-video-electroencephalography-veeg-have-excellent-diagnostic-value-in-preoperative-localization-of-epileptic-foci-in-children
#9
Gui-Bin Wang, Wei Long, Xiao-Dong Li, Guang-Yin Xu, Ji-Xiang Lu
BACKGROUND To investigate the effect that dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) has on surgical decision making relative to video-electroencephalography (VEEG) and positron emission tomography-computed tomography (PET-CT), and if the differences in these variables translates to differences in surgical outcomes. MATERIAL AND METHODS A total of 166 children with epilepsy undergoing preoperative DCE-MRI, VEEG, and PET-CT examinations, surgical resection of epileptic foci, and intraoperative electrocorticography (ECoG) monitoring were enrolled...
January 1, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28034810/prevalence-and-incidence-of-drug-resistant-mesial-temporal-lobe-epilepsy-in-the-united-states
#10
REVIEW
Ali A Asadi-Pooya, Gregory R Stewart, Daniel J Abrams, Ashwini Sharan
OBJECTIVE: We reviewed data on the epidemiology of epilepsy in the United States and estimated the prevalence and incidence of drug-resistant temporal lobe epilepsy (TLE) due to hippocampal sclerosis (HS) based on extrapolation from the available data drawn from the literature. METHODS: We searched the electronic database PubMed on December 14, 2016 using the following search terms in the title: "epilepsy" OR "temporal lobe" OR "hippocampal sclerosis" AND "epidemiology" OR "prevalence" OR "incidence"...
December 26, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28038393/managing-epilepsy-associated-depression-serotonin-enhancers-or-serotonin-producers
#11
REVIEW
Tanveer Singh, Rajesh Kumar Goel
Depression is one of the major psychiatric comorbidities having a major impact on the quality of life in people with epilepsy (PWE). Selective serotonin reuptake inhibitors (SSRIs) are considered as safest therapy for the treatment of depression in PWE. Although administration of SSRIs increases the synaptic serotonin levels, it decreases the overall serotonin synthesis in the brain. Long-term therapy with SSRIs has been reported to decrease serotonin synthesis, which may be the possible reason for lessening of their antidepressant effect over time as well as elevated seizure outcomes observed in PWE...
December 27, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28030998/the-role-of-thalamus-versus-cortex-in-epilepsy-evidence-from-human-ictal-centromedian-recordings-in-patients-assessed-for-deep-brain-stimulation
#12
David Martín-López, Diego Jiménez-Jiménez, Lidia Cabañés-Martínez, Richard P Selway, Antonio Valentín, Gonzalo Alarcón
BACKGROUND: The onset of generalized seizures is a long debated subject in epilepsy. The relative roles of cortex and thalamus in initiating and maintaining the different seizure types are unclear. OBJECTIVE: The purpose of the study is to estimate whether the cortex or the centromedian thalamic nucleus is leading in initiating and maintaining seizures in humans. METHODS: We report human ictal recordings with simultaneous thalamic and cortical electrodes from three patients without anesthesia being assessed for deep brain stimulation (DBS)...
October 24, 2016: International Journal of Neural Systems
https://www.readbyqxmd.com/read/28017578/drug-development-for-refractory-epilepsy-the-past-25-years-and-beyond
#13
Ambica Golyala, Patrick Kwan
Despite the exponential growth of approved antiepileptic drugs (AEDs) over the past 25 years, epilepsy remains uncontrolled in approximately a third of patients. This article summarises the clinical trials and properties of the AEDs developed over this period, and reviews the pre-clinical and clinical development paradigms of modern AEDs. We discuss possible reasons for the apparent failure to develop more efficacious compounds. We also review the current regulatory frameworks for drug approval in the United States and Europe, and the changes on the horizon...
December 6, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28024199/physical-and-mental-health-comorbidities-of-epilepsy-population-based-cross-sectional-analysis-of-1-5-million-people-in-scotland
#14
Christopher J Weatherburn, Craig A Heath, Stewart W Mercer, Bruce Guthrie
PURPOSE: To measure the prevalence of physical and mental health comorbidities in people with epilepsy in a large population cohort, and to examine the prevalence of depression accounting for other physical comorbidity. METHODS: Population-based, cross-sectional descriptive epidemiology analysis of primary care electronic records for 1,510,742 people aged 14+ years, examining the prevalence of 39 comorbidities. RESULTS: 12,720 people with epilepsy were identified (prevalence 8...
November 23, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28025777/brain-development-and-akt-signaling-the-crossroads-of-signaling-pathway-and-neurodevelopmental-diseases
#15
REVIEW
Long Wang, Kai Zhou, Zhi Fu, Di Yu, Hesuyuan Huang, Xiaodong Zang, Xuming Mo
Neurodevelopmental biology, coupled with the application of advanced histological, imaging, molecular, cellular, biochemical, and genetic approaches, has provided new insights into these intricate genetic, cellular, and molecular events. During telencephalic development, specific neural progenitor cells (NPCs) proliferate, differentiate into numerous cell types, migrate to their apposite positions, and form an integrated circuitry. Critical disturbance to this dynamic process via genetic and environmental risk can cause neurological disorders and disability...
December 26, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28025990/focal-cortical-dysplasia-molecular-disturbances-and-clinicopathological-classification-review
#16
Monika Siedlecka, Wiesława Grajkowska, Ryszard Galus, Bożenna Dembowska-Bagińska, Jarosław Jóźwiak
Focal cortical dysplasia (FCD) is one of the most important causes of drug-resistant epilepsy in paediatric patients, particularly in those below the age of 3. Even though over 40 years have passed since the first description of the entity by Taylor, the exact mechanisms causing these cortical abnormalities remain unelucidated. In this review, we summarise the current knowledge on clinical and histopathological aspects, taking into account the new classification system proposed by the International League Against Epilepsy...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28027373/new-onset-seizure-in-adults-and-adolescents-a-review
#17
Jay R Gavvala, Stephan U Schuele
Importance: Approximately 8% to 10% of the population will experience a seizure during their lifetime. Only about 2% to 3% of patients go on to develop epilepsy. Understanding the underlying etiology leading to an accurate diagnosis is necessary to ensure appropriate treatment and that patients with low risk for recurrence are not treated unnecessarily. Observations: Patients can present with new-onset seizure for a variety of reasons such as acute symptomatic seizures due to acute brain injury or metabolic derangements, or unprovoked seizures that are the initial manifestation of epilepsy...
27, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28029552/epilepsia-partialis-continua-a-review
#18
REVIEW
Rūta Mameniškienė, Peter Wolf
Epilepsia partialis contina (EPC) in a narrow definition is a variant of simple focal motor status epilepticus in which frequent repetitive muscle jerks, usually arrhythmic, continue over prolonged periods of time. In a broader definition (used in this review) it also includes non-motor manifestations otherwise known as aura continua. EPC may occur as a single episode, repetitive episodes, it may be chronic progressive or non-progressive. It appears as an unusual manifestation of epilepsy in which more typical paroxysmal events are partly or entirely replaced by the sustained repetition of seizure fragments in rapid succession...
October 18, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27936450/clinical-outcome-following-medical-treatment-of-cavernous-malformation-related-epilepsy
#19
Yoonju Lee, Kyoo Ho Cho, Hye Ihn Kim, Seung-Koo Lee, Yang-Je Cho, Kyoung Heo, Byung In Lee
PURPOSE: The study was conducted to assess the long-term outcome of antiepileptic drug (AED) treatment in drug-naïve patients with cavernous malformation (CM) related epilepsy (CRE). METHOD: This is a retrospective, single-center, long-term observational study of 34 patients with previously untreated seizures related to CM. All patients were followed-up for at least two years. Drug resistant epilepsy (DRE) was defined as two or more seizures per year after trial of two appropriate AEDs...
November 18, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27997922/continuous-intraoperative-monitoring-of-temporal-lobe-epilepsy-surgery
#20
Rémi Tyrand, Shahan Momjian, Claudio Pollo, Christopher Lysakowski, Agustina M Lascano, Serge Vulliémoz, Karl Schaller, Colette Boëx
BACKGROUND/AIMS: The monitoring of interictal epileptiform discharge rates (IEDRs) all along anterior temporal lobe resections (ATLRs) has never been reported. Here the effect of ATLR on continuous IEDR monitoring is described. METHODS: IEDRs computed automatically during entire interventions were recorded in 34 patients (38.2%, 13/34 depth; 61.8%, 21/34 scalp electrodes only). Monitorings were invalidated when burst suppression occurred or if initial IEDRs were <5...
December 21, 2016: Stereotactic and Functional Neurosurgery
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