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https://www.readbyqxmd.com/read/28227392/structural-and-functional-changes-during-epileptogenesis-in-the-mouse-model-of-medial-temporal-lobe-epilepsy
#1
Yvan Dietrich, Pierre-Antoine Eliat, Gabriel Dieuset, Herve Saint-Jalmes, Charles Pineau, Fabrice Wendling, Benoit Martin, Yvan Dietrich, Pierre-Antoine Eliat, Gabriel Dieuset, Herve Saint-Jalmes, Charles Pineau, Fabrice Wendling, Benoit Martin, Pierre-Antoine Eliat, Charles Pineau, Benoit Martin, Gabriel Dieuset, Yvan Dietrich, Herve Saint-Jalmes, Fabrice Wendling
An important issue in epilepsy research is to understand the structural and functional modifications leading to chronic epilepsy, characterized by spontaneous recurrent seizures, after initial brain insult. To address this issue, we recorded and analyzed electroencephalography (EEG) and quantitative magnetic resonance imaging (MRI) data during epileptogenesis in the in vivo mouse model of Medial Temporal Lobe Epilepsy (MTLE, kainate). Besides, this model of epilepsy is a particular form of drug-resistant epilepsy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222319/survey-of-the-diagnostic-and-therapeutic-approach-to-new-onset-refractory-status-epilepticus
#2
Christian M Cabrera Kang, Nicolas Gaspard, Suzette M LaRoche, Brandon Foreman
PURPOSE: We conducted a survey of providers to assess for practice patterns in diagnosing and treating new-onset refractory status epilepticus (NORSE). NORSE is the occurrence of prolonged seizures that are not responsive to initial therapies in otherwise healthy individuals without obvious cause on initial presentation. This entity is thought to have multiple etiologies, including autoimmune. METHOD: A 29-question electronic survey was sent to providers included in the Neurocritical Care Society emailing list...
February 9, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28221196/fdg-brain-pet-ct-revealing-bilateral-thalamostriatal-activation-during-a-symptomatic-episode-in-a-patient-with-kleine-levin-syndrome
#3
Clément Drouet, Olivier Morel, Antoine Verger, Eric Guedj, Hatem Boulahdour
We report the case of a 14-year-old girl with clinically diagnosed Kleine-Levin syndrome. Electroencephalogram and brain MRI were unremarkable. An FDG PET/CT scan was acquired during a symptomatic episode, while she was asleep, and another PET scan was obtained when she was asymptomatic, awake, and quiet. Comparison of both examinations demonstrated a bilateral activation of thalami, caudate nuclei, and lenticular nuclei. These findings may be linked to the implication of thalamostriatal structures in the regulation of sleep and wakefulness...
February 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28220103/hippocampal-damage-and-atrophy-secondary-to-status-epilepticus-in-a-patient-with-schizophrenia
#4
Elaine Keiko Fujisao, Nathalia Raquel Cristaldo, Aline Marques da Silva Braga, Paulina Rodrigues Cunha, Seizo Yamashita, Luiz Eduardo Betting
A 59-year-old man was admitted with respiratory tract infection, compromised conscience and generalized tonic-clonic seizures. His medical history included schizophrenia diagnosis, for which he had been being treated since he was 27 years old. EEG disclosed non-convulsive status epilepticus. A magnetic resonance image (MRI) acquired 3 days later showed increased left hippocampal volume with hyperintensity on T2-weighted and FLAIR sequences. After being treated with antibiotics and antiepileptic medications, the patient's condition improved...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28219319/biomarkers-in-alzheimer-s-disease-recent-update
#5
Sushil Sharma, Walter Lipincott
Alzheimer disease (AD) is an age-related neurodegenerative disorder, characterized by loss of memory and cognitive function. It is the common cause of dementia in elderly and is a global health concern as the population of people aged 85 and older, is growing alarmingly. Although pharmacotherapy for the treatment of AD has improved, lot of work remains to treat this devastating disease. AD pathology begins even before the onset of clinical symptoms. Because therapies could be more effective if implemented early in the disease progression, it is highly prudent to discover reliable biomarkers, to detect its exact pathophysiology during pre-symptomatic stage...
February 20, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28217152/value-of-electroencephalographic-monitoring-in-newborns-with-hypoxic-ischemic-encephalopathy-treated-with-hypothermia
#6
Hatem Hamed Elshorbagy, Ahmed A Azab, Naglaa M Kamal, Naglaa Fathy Barseem, Mohamed M Bassiouny, Mostafa A Elsayed, Tohamy H Elkhouly
BACKGROUND: The values of electroencephalography (EEG) in neonatal hypoxic-ischemic encephalopathy (HIE) during therapeutic hypothermia (TH) are still uncertain. AIMS: The aim of this study is to detect EEG background, the prevalence of seizures during cooling, and to determine different EEG patterns that can predict brain injury in magnetic resonance imaging (MRI). PATIENTS AND METHODS: Thirty-nine newborns with HIE were subjected to TH. Continuous monitoring by video-EEG was carried out throughout cooling and during rewarming...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28209769/seizures-in-children-with-cerebral-palsy-and-white-matter-injury
#7
Monica S Cooper, Mark T Mackay, Michael Fahey, Dinah Reddihough, Susan M Reid, Katrina Williams, A Simon Harvey
OBJECTIVE: The goal of this study was to describe the prevalence, syndromes, and evolution of seizure disorders in children with cerebral palsy (CP) due to white matter injury (WMI). METHODS: For this population-based cohort study, brain MRI scans and medical records were reviewed in children in the Victorian Cerebral Palsy Register born between 1999 and 2006 recorded as having WMI. Children were excluded if they had features of an undiagnosed syndrome, associated cortical malformation or injury, or no medical contact in the preceding year...
February 16, 2017: Pediatrics
https://www.readbyqxmd.com/read/28206999/early-eeg-power-predicts-mri-injury-in-infants-with-hypoxic-ischemic-encephalopathy
#8
S V Jain, J M Zempel, P Srinivasakumar, M Wallendorf, A Mathur
OBJECTIVE: Early identification of infants with hypoxic-ischemic encephalopathy who have adverse outcomes despite neuroprotection with therapeutic hypothermia (TH) is urgently needed. Recent studies have found limited value of amplitude integrated EEG (aEEG) for predicting short-term outcomes in this population. Other quantitative electroencephalography (EEG) variables reflecting EEG amplitude, such as EEG power, could provide early stratification of a high-risk cohort in this population...
February 16, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28206723/clinical-study-on-amplitude-integrated-electroencephalogram-in-cerebral-injury-caused-by-severe-neonatal-hyperbilirubinemia
#9
Hongwei Wu, Zhenguang Li, Jinfeng Liu, Gang Liu, Xia Yang
BACKGROUND: This study was designed in order to assess the validity of the use of amplitude-integrated electroencephalogram (aEEG) in cerebral injury caused by severe neonatal hyperbilirubinemia. METHODS: A total of 56 full-term neonates diagnosed with severe neonatal hyperbilirubinemia and admitted to the NICU of our hospital from July 2013 to December 2014 were continuously selected for the study. The total serum bilirubin (TSB) was higher than 342 μmo/l, and was dominated by a higher amount of unconjugated bilirubin...
February 15, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28202825/-ictal-speech-manifesting-as-sleep-talking-a-case-report
#10
Takehiro Suzuki, Yosuke Kakisaka, Yu Kitazawa, Kazutaka Jin, Shiho Sato, Masaki Iwasaki, Mayu Fujikawa, Yoshiyuki Nishio, Akitake Kanno, Nobukazu Nakasato
We present a 28-year-old female patient whose epilepsy started at the age of 19. MRI showed right perisylvian polymicrogyria. She exhibited various seizure symptoms, such as somatosensory aura involving the left leg, dyscognitive seizures, and amnesic seizures. Her mother indicated that the patient sometimes had "sleep talking", which was associated with presence of epileptic seizures of the next day. Long-term video electroencephalography (EEG) revealed that her episodes of "sleep talking" were epileptic events, specifically ictal speech, originating in the right hemisphere...
February 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28202220/diagnostic-yield-of-ambulatory-eegs-in-the-elderly
#11
Benjamin Tolchin, Jong Woo Lee, Milena Pavlova, Barbara A Dworetzky, Rani A Sarkis
OBJECTIVE: The diagnostic yield of ambulatory EEG in the elderly is not known. We sought to determine diagnostic yield and identify factors predicting diagnostic findings in this elderly population. METHODS: We reviewed 156 consecutive 24-72h ambulatory EEGs performed on patients aged 60 or older. RESULTS: Of the 156 studies, 58 studies (37%) revealed potentially diagnostic findings: either epileptiform discharges, an epileptic seizure, or a typical nonepileptic event...
January 29, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28185669/electrical-stimulation-and-monitoring-devices-of-the-cns-an-imaging-review
#12
REVIEW
Sohil H Patel, Casey H Halpern, Timothy M Shepherd, Vincent M Timpone
Functional neurosurgery is a rapidly growing field with exciting future potential applications. This article describes currently used implanted electronic devices for neurologic stimulation and monitoring. The devices to be reviewed include invasive EEG electrodes, deep brain stimulator, motor cortex stimulator, responsive neurostimulation, osteo-integrated hearing aid, middle ear implant, cochlear implant, auditory brainstem implant, vagal nerve stimulator and spinal cord stimulator. Emphasis is placed on the normal components, function, positioning, potential complications and MRI safety of these devices...
February 6, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/28174533/reward-dependent-invigoration-relates-to-theta-oscillations-and-is-predicted-by-dopaminergic-midbrain-integrity-in-healthy-elderly
#13
Tineke K Steiger, Nico Bunzeck
Motivation can have invigorating effects on behavior via dopaminergic neuromodulation. While this relationship has mainly been established in theoretical models and studies in younger subjects, the impact of structural declines of the dopaminergic system during healthy aging remains unclear. To investigate this issue, we used electroencephalography (EEG) in healthy young and elderly humans in a reward-learning paradigm. Specifically, scene images were initially encoded by combining them with cues predicting monetary reward (high vs...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28171851/utility-of-gray-matter-segmentation-of-ictal-interictal-perfusion-spect-and-interictal-18-f-fdg-pet-in-medically-refractory-epilepsy
#14
Kathryn C Elkins, Valeria M Moncayo, Hyunmi Kim, Larry D Olson
PURPOSE: We present a method of gray-matter segmentation of functional neuroimaging for localization of seizure onset zone (SOZ) in epilepsy surgery. (18)F-FDG-PET hypometabolism and ictal SPECT hyperperfusion may correspond to SOZ. We hypothesize that limiting functional images to gray matter improves identification of small, subtle, or obscure cortical volumes of (18)F-FDG-PET hypometabolism and eliminates hyperperfused seizure propagation pathways within white matter in ictal perfusion SPECT...
January 30, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28159382/the-putative-role-of-neuronal-network-synchronization-as-a-potential-biomarker-for-bipolar-disorder-a-review-of-eeg-studies
#15
REVIEW
E Maggioni, A M Bianchi, A C Altamura, Jair C Soares, P Brambilla
Impaired intra-hemispheric and inter-hemispheric communication play a major role in the pathophysiology and cognitive disturbances of bipolar disorder (BD). Brain connectivity in BD has been largely investigated using magnetic resonance imaging (MRI) techniques, which have found alterations in prefronto-limbic coupling. In contrast, evidence for functional neural circuitry abnormalities in BD is less consistent. Indeed, just a few studies employing the electroencephalographic (EEG) technique, enabling the exploration of oscillatory brain dynamics, addressed this issue...
January 3, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28150296/radiofrequency-thermocoagulation-of-the-seizure-onset-zone-during-stereoelectroencephalography
#16
Petia Dimova, Luca de Palma, Anne-Sophie Job-Chapron, Lorella Minotti, Dominique Hoffmann, Philippe Kahane
OBJECTIVE: To assess long-term outcome and identify prognostic factors of radiofrequency thermocoagulation (RFTC) following stereoelectroencephalography (SEEG) explorations in particularly complex cases of focal epilepsy. METHODS: We retrospectively reviewed the medical charts, video-SEEG recordings, and outcomes for 23 patients (aged 6-53 years) treated with SEEG-guided RFTC, of whom 15 had negative magnetic resonance imaging (MRI) findings, and 10 were considered noneligible for resective surgery after SEEG...
February 2, 2017: Epilepsia
https://www.readbyqxmd.com/read/28142128/the-clinical-phenotype-of-autosomal-dominant-lateral-temporal-lobe-epilepsy-related-to-reelin-mutations
#17
Roberto Michelucci, Patrizia Pulitano, Carlo Di Bonaventura, Simona Binelli, Concetta Luisi, Elena Pasini, Salvatore Striano, Pasquale Striano, Giangennaro Coppola, Angela La Neve, Anna Teresa Giallonardo, Oriano Mecarelli, Elena Serioli, Emanuela Dazzo, Manuela Fanciulli, Carlo Nobile
OBJECTIVE: To describe the clinical phenotype of 7 families with Autosomal Dominant Lateral Temporal Lobe Epilepsy (ADLTE) related to Reelin (RELN) mutations comparing the data with those observed in 12 LGI1-mutated pedigrees belonging to our series. METHODS: Out of 40 Italian families with ADLTE, collected by epileptologists participating in a collaborative study of the Commission for Genetics of the Italian League against Epilepsy encompassing a 14-year period (2000-2014), 7 (17...
January 28, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28139515/clinical-analysis-of-partial-epilepsy-with-auras
#18
Yang Liu, Xiao-Ming Guo, Xun Wu, Ping Li, Wei-Wei Wang
BACKGROUND: An aura is usually considered to be the initial clinical sign of a seizure. The types of abnormal neuron activities (i.e., localized and generalized firing) play an important role in the diagnosis of epilepsy. The goal of this study was to investigate the types of auras and its correlation with the localization and treatment of epilepsy. METHODS: The 426 epileptic patients with auras from a single center were reviewed with reference to International League Against Epilepsy (ILAE, 1981) classification; the clinical manifestations and incidence of auras were analyzed in this retrospective study, as well as the results of electroencephalogram (EEG), brain magnetic resonance imaging (MRI) and the treatment methods...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28138907/sialidosis-type-1-with-a-novel-mutation-in-the-neuraminidase-1-neu1-gene
#19
Vykuntaraju K Gowda, Varun M Srinivasan, Naveen Benakappa, Asha Benakappa
A patient with Sialidosis type 1 with a novel variation in neuraminidase-1 (NEU1) is described. The patient developed ataxia and myoclonus at 9 y of age. He was born to a second degree consanguineous marriage couple. On examination child had cerebellar signs and bilateral macular cherry-red spots. MRI of the brain and electroencephalogram were normal. The enzyme analysis revealed deficiency of neuraminidase. Genetic analysis identified novel homozygous missense mutation c.742G > T (p.G248C) in exon 4 of NEU1 gene...
January 31, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28133863/genetics-and-genotype-phenotype-correlations-in-early-onset-epileptic-encephalopathy-with-burst-suppression
#20
Heather E Olson, McKenna Kelly, Christopher M LaCoursiere, Rebecca Pinsky, Dimira Tambunan, Catherine Shain, Sriram Ramgopal, Masanori Takeoka, Mark H Libenson, Kristina Julich, Tobias Loddenkemper, Eric D Marsh, Devorah Segal, Susan Koh, Michael S Salman, Alex R Paciorkowski, Edward Yang, Ann M Bergin, Beth Rosen Sheidley, Annapurna Poduri
OBJECTIVE: We sought to identify genetic causes of early onset epileptic encephalopathies with burst suppression (Ohtahara syndrome and early myoclonic encephalopathy) and evaluate genotype-phenotype correlations. METHODS: We enrolled 33 patients with a referral diagnosis of Ohtahara syndrome or early myoclonic encephalopathy without malformations of cortical development. We performed detailed phenotypic assessment including seizure presentation, EEG, and MRI. We confirmed burst suppression in 28 out of 33 patients...
January 30, 2017: Annals of Neurology
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