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mesial temporal sclerosis

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https://www.readbyqxmd.com/read/28332703/predictors-of-meaningful-improvement-in-quality-of-life-after-temporal-lobe-epilepsy-surgery-a-prospective-study
#1
Carla Pauli, Marcelo Liborio Schwarzbold, Alexandre Paim Diaz, Maria Emilia Rodrigues de Oliveira Thais, Charles Kondageski, Marcelo Neves Linhares, Ricardo Guarnieri, Bianca de Lemos Zingano, Juliana Ben, Jean Costa Nunes, Hans Joachim Markowitsch, Peter Wolf, Samuel Wiebe, Katia Lin, Roger Walz
OBJECTIVES: To investigate prospectively the independent predictors of a minimum clinically important change (MCIC) in quality of life (QOL) after anterior temporal lobectomy (ATL) for drug-resistant mesial temporal lobe epilepsy related to hippocampal sclerosis (MTLE-HS) in Brazilian patients. METHODS: Multiple binary logistic regression analysis was performed to identify the clinical, demographic, radiologic, and electrophysiologic variables independently associated with MCIC in the Quality of Life in Epilepsy-31 Inventory (QOLIE-31) overall score 1 year after ATL in 77 consecutive patients with unilateral MTLE-HS...
March 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28324681/morphometric-mri-features-are-associated-with-surgical-outcome-in-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#2
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/28322853/the-role-of-histopathologic-subtype-in-the-setting-of-hippocampal-sclerosis-associated-mesial-temporal-lobe-epilepsy
#3
Jordan M Gales, Lara Jehi, Amy Nowacki, Richard A Prayson
Hippocampal sclerosis (HS) and focal cortical dysplasia (FCD) are among the most common neuropathological findings in those undergoing surgery for refractory mesial temporal lobe epilepsy (MTLE). Existing data regarding differences among the most recent International League Against Epilepsy (ILAE) HS subtypes remains limited. This study sought to characterize the roles of HS subtype and coexistent FCD. Epilepsy surgery pathologic specimens in 307 cases of temporal lobe epilepsy with HS were reviewed (mean age ± SD, 37 ± 15 years, 56% women)...
March 17, 2017: Human Pathology
https://www.readbyqxmd.com/read/28306691/predictive-value-of-electrocorticography-in-patients-with-mesial-temporal-lobe-epilepsy-undergoing-selective-amygdalohippocampectomy
#4
Aline Herlopian, Bashir Shihabuddin
PURPOSE: The utility of intraoperative electrocorticography has been reported in predicting seizure outcome in patients with mesial temporal lobe epilepsy due to mesial temporal sclerosis (MTS) undergoing standard temporal lobectomy. Three studies reported the predictive outcome in patients with MTS undergoing selective amygdalohippocampectomy (sAHE). We evaluate the predictive value of the intraoperative electrocorticography in postoperative outcome in patients with mesial temporal lobe epilepsy secondary to MTS undergoing sAHE...
March 16, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28298843/ictal-asystole-a-rare-cardiac-manifestation-of-temporal-lobe-epilepsy-treated-with-epilepsy-surgery
#5
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/28284050/incomplete-circle-of-willis-a-risk-factor-for-mesial-temporal-sclerosis
#6
Gokhan Kuyumcu, Richard W Byrne, Robert J Dawe, Mehmet Kocak
OBJECTIVE: The aim of this study was to investigate whether there may be a correlation between the anatomical variants of Circle of Willis (CoW) and presence/laterality of mesial temporal sclerosis (MTS). METHODS: We retrospectively identified the CoW variants on Wada angiograms in 71 patients with pathologically proven MTS. Angiograms were interpreted by two radiologists independently and blinded to clinical data. We divided the anterior and posterior components of the CoW into functionally complete and functionally incomplete groups...
March 2, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28276448/blood-dna-methylation-pattern-is-altered-in-mesial-temporal-lobe-epilepsy
#7
Hong-Yu Long, Li Feng, Jin Kang, Zhao-Hui Luo, Wen-Biao Xiao, Li-Li Long, Xiao-Xin Yan, Luo Zhou, Bo Xiao
Mesial temporal lobe epilepsy (MTLE) is a common epileptic disorder; little is known whether it is associated with peripheral epigenetic changes. Here we compared blood whole genomic DNA methylation pattern in MTLE patients (n = 30) relative to controls (n = 30) with the Human Methylation 450 K BeadChip assay, and explored genes and pathways that were differentially methylated using bioinformatics profiling. The MTLE and control groups showed significantly different (P < 1.03e-07) DNA methylation at 216 sites, with 164 sites involved hyper- and 52 sites hypo- methylation...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28248912/pres-and-epilepsy-a-potential-long-term-consequence-of-a-reversible-syndrome
#8
Ryan T Fitzgerald, Jarod Santoro, Archana Hinduja, Rohan S Samant, Manoj Kumar, Edgardo J Angtuaco
Epilepsy is very rarely attributed to posterior reversible encephalopathy syndrome (PRES). We report the case of a previously healthy 21-year-old who developed epilepsy with mesial temporal sclerosis following an episode of PRES related to a complicated Cesarean delivery. Neuroimaging at the time of PRES and 3 months after revealed the development of unilateral hippocampal volume loss following resolution of acute PRES-related brain edema. We discuss the incidence and importance of "non-reversible" sequelae of PRES and their implications for patient care...
March 2017: Neurologist
https://www.readbyqxmd.com/read/28242475/importance-of-neuropsychological-and-clinical-features-to-predict-seizure-control-in-medically-treated-patients-with-mesial-temporal-epilepsy-and-hippocampal-sclerosis
#9
Laia Grau-López, Marta Jiménez, Jordi Ciurans, Cynthia Cáceres, Juan Luis Becerra
OBJECTIVE: It is not yet understood why seizures in certain patients with mesial temporal lobe epilepsy and hippocampal sclerosis (MTLE-HS) develop resistance to antiepileptic drugs (AEDs) while others achieve good seizure control with this treatment. We analyzed clinical and neuropsychological features associated with seizure control in patients with MTLE-HS who had not undergone resective surgery. METHODS: We enrolled 40 patients with medically treated MTLE-HS and retrospectively collected the following data from prospective databases: sex, febrile seizures, central nervous system infection, history of head trauma, cognitive impairment, psychiatric disturbances, history of status epilepticus, age at onset of epilepsy, aura, seizure type and frequency, electroencephalography abnormalities, HS side, AEDs, global cognitive status, and neuropsychological functions such as cognitive processing speed, attention and executive functions, verbal and visual memory, language, and visuospatial ability...
February 24, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28240927/contralateral-interictal-and-ictal-eeg-epileptiform-activity-accentuate-memory-impairment-in-unilateral-mesial-temporal-sclerosis-patients
#10
Lecio F Pinto, Carla C Adda, Liliane C A Silva, Natalie H C Banaskiwitz, Valmir Passarelli, Carmen L Jorge, Rosa M Valerio, Luiz H Castro
OBJECTIVE: Memory impairment is a recognized complication of mesial temporal sclerosis (MTS). Epileptiform activity may negatively impact on cognition. We evaluated the impact of contralateral EEG involvement on memory in unilateral MTS (uMTS) patients. METHOD: Retrospective review of 121 right-handed uMTS patients (69 left) evaluated with prolonged video-EEG and verbal and nonverbal memory tests (Rey Auditory Verbal Learning Test and Rey-Osterrieth Complex figure), with additional very delayed trials...
March 2017: Neuropsychology
https://www.readbyqxmd.com/read/28236724/clinical-and-sociodemographic-variables-associated-with-interictal-dysphoric-disorder-and-interictal-personality-in-patients-with-drug-resistant-temporal-lobe-epilepsy-a-controlled-study
#11
Gerardo Maria de Araújo Filho, Bruna Tarifa, Raquel Espagnolla Santos, Ana Laura de Oliveira Dias, Júlia Rodrigues Leandro Ulliano, Lucia Helena Neves Marques
Psychiatric disorders (PD) have an elevated prevalence and an important negative impact on patients with epilepsy (PWE) since they are associated with lower quality of life and clinical refractoriness. However, it is also necessary to identify behavioral conditions possibly associated with epilepsy that are not part of the standard psychiatric classifications, such as Interictal Dysphoric Disorder (IDD) and Interictal Personality (IP). The frequency of IDD and IP in patients with drug-resistant temporal lobe epilepsy and mesial temporal sclerosis (TLE-MTS) was assessed...
February 22, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28235654/is-burned-out-hippocampus-syndrome-a-distinct-electro-clinical-variant-of-mtle-hs-syndrome
#12
Pradeep P Nair, Ramshekhar N Menon, Ashalatha Radhakrishnan, Ajit Cherian, Mathew Abraham, George Vilanilam, C Kesavadas, Bejoy Thomas, Aley Alexander, Sanjeev V Thomas
AIM: To study the clinical, electrophysiological and imaging characteristics of patients with unilateral mesial temporal lobe epilepsy (MTLE) with contralateral ictal onset on scalp EEG, viz. 'burned-out hippocampus' syndrome (MTLE-BHS). METHODS: MTLE-BHS was defined as TLE with unilateral hippocampal sclerosis (HS) without any dual pathology on MRI and contralateral ictal onset on scalp EEG, unlike in classical hippocampal sclerosis (HS). Consecutive "MTLE-BHS" patients evaluated at our Centre for Comprehensive Epilepsy Care from January 2005 to July 2014 were studied...
February 21, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28235653/surgical-outcome-in-adolescents-with-mesial-temporal-sclerosis-is-it-different
#13
Pue Farooque, Lawrence Hirsch, Susan Levy, Francine Testa, Richard Mattson, Dennis Spencer
There are extensive studies evaluating mesial temporal sclerosis (MTS) in adults and limited studies in children, with adolescents being included within both patient populations. Our aim was to evaluate predictors of surgical outcome solely in adolescent patients with MRI- and pathology -proven MTS. The Yale Epilepsy Surgery Database was reviewed from 1987 to 2012 for adolescent patients with confirmed MTS on MRI and pathology who underwent temporal lobectomy and had greater than two-year postsurgical follow-up...
February 18, 2017: Epilepsy & Behavior: E&B
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
#14
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
https://www.readbyqxmd.com/read/28188304/-18-f-fdg-pet-patterns-of-surgical-success-and-failure-in-mesial-temporal-lobe-epilepsy
#15
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
https://www.readbyqxmd.com/read/28166327/neurological-autoantibody-prevalence-in-epilepsy-of-unknown-etiology
#16
Divyanshu Dubey, Abdulradha Alqallaf, Ryan Hays, Matthew Freeman, Kevin Chen, Kan Ding, Mark Agostini, Steven Vernino
Importance: Autoimmune epilepsy is an underrecognized condition, and its true incidence is unknown. Identifying patients with an underlying autoimmune origin is critical because these patients' condition may remain refractory to conventional antiseizure medications but may respond to immunotherapy. Objective: To determine the prevalence of neurological autoantibodies (Abs) among adult patients with epilepsy of unknown etiology. Design, Setting, and Participants: Consecutive patients presenting to neurology services with new-onset epilepsy or established epilepsy of unknown etiology were identified...
February 6, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28157273/a-novel-animal-model-of-acquired-human-temporal-lobe-epilepsy-based-on-the-simultaneous-administration-of-kainic-acid-and-lorazepam
#17
Friederike Kienzler-Norwood, Lara Costard, Chinmaya Sadangi, Philipp Müller, Valentin Neubert, Sebastian Bauer, Felix Rosenow, Braxton A Norwood
OBJECTIVE: Kainic acid (KA) is a potent glutamate analog that is used to induce neurodegeneration and model temporal lobe epilepsy (TLE) in rodents. KA reliably induces severe, prolonged seizures, that is, convulsive status epilepticus (cSE), which is typically fatal without pharmacologic intervention. Although the use of KA to model human epilepsy has proven unquestionably valuable for >30 years, significant variability and mortality continue to confound results. These issues are probably the consequence of cSE, an all-or-nothing response that is inherently capricious and uncontrollable...
February 2017: Epilepsia
https://www.readbyqxmd.com/read/28124054/metal-maps-of-sclerotic-hippocampi-of-patients-with-mesial-temporal-lobe-epilepsy
#18
Miloš Opačić, Aleksandar J Ristić, Danijela Savić, Vid Simon Šelih, Marko Živin, Dragoslav Sokić, Savo Raičević, Vladimir Baščarević, Ivan Spasojević
The loss of metal homeostasis has been implicated in the pathophysiology of mesial temporal lobe epilepsy associated with hippocampal sclerosis (mTLE-HS). Here we applied laser ablation inductively coupled plasma mass spectrometry imaging to establish the spatial distribution of Zn, Fe, Cu and Mn in coronal sections of hippocampi of four patients with drug-resistant mTLE-HS who underwent amygdalohippocampectomy. Detailed maps of the metal concentrations in the different morphological areas/layers were built and analyzed...
January 26, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28104639/hippocampal-atrophy-is-associated-with-altered-hippocampus-posterior-cingulate-cortex-connectivity-in-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#19
Y C Shih, C E Tseng, F-H Lin, H H Liou, W Y I Tseng
BACKGROUND AND PURPOSE: Unilateral mesial temporal lobe epilepsy and hippocampal sclerosis have structural and functional abnormalities in the mesial temporal regions. To gain insight into the pathophysiology of the epileptic network in mesial temporal lobe epilepsy with hippocampal sclerosis, we aimed to clarify the relationships between hippocampal atrophy and the altered connection between the hippocampus and the posterior cingulate cortex in patients with mesial temporal lobe epilepsy with hippocampal sclerosis...
January 19, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28067149/navigation-assisted-trans-inferotemporal-cortex-selective-amygdalohippocampectomy-for-mesial-temporal-lobe-epilepsy-preserving-the-temporal-stem
#20
Haruhiko Kishima, Amami Kato, Satoru Oshino, Naoki Tani, Tomoyuki Maruo, Hui Ming Khoo, Takufumi Yanagisawa, Kotaro Edakawa, Maki Kobayashi, Masataka Tanaka, Koichi Hosomi, Masayuki Hirata, Toshiki Yoshimine
OBJECTIVE: Selective amygdalohippocampectomy (SAH) can be used to obtain satisfactory seizure control in patients with mesial temporal lobe epilepsy (MTLE). Several SAH procedures have been reported to achieve satisfactory outcomes for seizure control, but none yield fully satisfactory outcomes for memory function. We hypothesized that preserving the temporal stem might play an important role. To preserve the temporal stem, we developed a minimally invasive surgical procedure, 'neuronavigation-assisted trans-inferotemporal cortex SAH' (TITC-SAH)...
March 2017: Neurological Research
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