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https://www.readbyqxmd.com/read/29146728/source-estimation-of-epileptic-activity-using-eloreta-kurtosis-analysis
#1
Shunichiro Ikeda, Ryouhei Ishii, Leonides Canuet, Roberto D Pascual-Marqui
Exact low-resolution brain electromagnetic tomography (eLORETA) is a technique for three-dimensional representation of the distribution of sources of electrical activity in the brain. Kurtosis analysis allows for identification of spiky activity in the brain. To evaluate the reliability of eLORETA kurtosis analysis, the results of the analysis were compared with those of equivalent current dipole (ECD) and synthetic aperture magnetometry (SAM) kurtosis analysis of magnetoencephalography (MEG) data in a patient with epilepsy with elementary visual seizures in a 6-year follow-up...
November 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29137047/massive-neonatal-intracranial-hemorrhage-caused-by-bromadiolone-a-case-report
#2
Mingsheng Ma, Mengqi Zhang, Xiaoyan Tang, Zhenghong Li
RATIONALE: Bromadiolone, often called a super-warfarin, is a potent rodenticide with long half-life. Skin and mucosal bleeding is the most common clinical manifestations of its intoxication. Bromadiolone intoxications in adults and children have been reported, but this phenomenon is rarely seen in fetuses. This paper presents a case of neonate with massive intracranial hemorrhage mediated by bromadiolone intoxication, highlighting that the bromadiolone is potentially lethal to the fetus...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29131884/seizures-and-encephalitis-in-myelin-oligodendrocyte-glycoprotein-igg-disease-vs-aquaporin-4-igg-disease
#3
Shahd H M Hamid, Dan Whittam, Mariyam Saviour, Amal Alorainy, Kerry Mutch, Samantha Linaker, Tom Solomon, Maneesh Bhojak, Mark Woodhall, Patrick Waters, Richard Appleton, Martin Duddy, Anu Jacob
Importance: Antibodies to myelin oligodendrocyte glycoprotein IgG (MOG-IgG) are increasingly detected in patients with non-multiple sclerosis-related demyelination, some of whom manifest a neuromyelitis optica (NMO) phenotype. Cortical involvement, encephalopathy, and seizures are rare in aquaporin 4 antibody (AQP4-IgG)-related NMO in the white European population. However, the authors encountered several patients with seizures associated with MOG-IgG disease. Objective: To compare incidence of seizures and encephalitis-like presentation, or both between AQP4-IgG-positive and MOG-IgG-positive patients...
November 13, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29127848/influence-of-titration-schedule-and-maintenance-dose-on-the-tolerability-of-adjunctive-eslicarbazepine-acetate-an-integrated-analysis-of-three-randomized-placebo-controlled-trials
#4
Gregory Krauss, Victor Biton, Jay H Harvey, Christian Elger, Eugen Trinka, Patrício Soares da Silva, Helena Gama, Hailong Cheng, Todd Grinnell, David Blum
OBJECTIVE: To examine the influence of titration schedule and maintenance dose on the incidence and type of treatment-emergent adverse events (TEAEs) associated with adjunctive eslicarbazepine acetate (ESL). METHODS: Data from three randomized, double-blind, placebo-controlled trials were analyzed. Patients with refractory partial-onset seizures were randomized to maintenance doses of ESL 400, 800, or 1200mg QD (dosing was initiated at 400 or 800mg QD) or placebo...
November 4, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29126018/the-epidemiological-and-clinical-characteristics-study-on-epilepsy-in-8-ethnic-groups-of-china
#5
ZhiPeng Yu, Kai Dong, Hong Chang, XiaoQin Huang, Yi Ren, ChunQiu Fan, QingFeng Ma, HaiQing Song, Qian Zhang, Jing Zhang, LiYuan Huang
To survey the epidemiological characteristics and clinical features on epilepsy in eight ethnic groups in Yunnan province of China. METHODES: The investigation was based on the WHO questionnaire and ICBERG screening questionnaire. This study was performed through random cluster sampling and door-to-door survey. RESULTS: A total of 76,302 individuals from eight ethnic groups were surveyed. The crude prevalence of epilepsy ranged from 1.2/1000 to 6.5/1000 in the eight ethnic groups, and the age-adjusted prevalence of epilepsy was from 2...
November 7, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29125376/extending-julius-seizure-a-bang-sensitive-gene-as-a-model-for-studying-epileptogenesis-cold-shock-and-a-new-insertional-mutation
#6
Derek Dean, Hannah Weinstein, Seema Amin, Breelyn Karno, Emma McAvoy, Ronald Hoy, Andrew Recknagel, Casey Jarvis, David Deitcher
The bang-sensitive (BS) mutants of Drosophila are an important model for studying epilepsy. We recently identified a novel BS locus, julius seizure (jus), encoding a protein containing two transmembrane domains and an extracellular cysteine-rich loop. We also determined that jus(sda)(iso7.8), a previously identified BS mutation, is an allele of jus by recombination, deficiency mapping, complementation testing, and genetic rescue. RNAi knockdown revealed that jus expression is important in cholinergic neurons and that the critical stage of jus expression is the mid-pupa...
November 10, 2017: Fly
https://www.readbyqxmd.com/read/29121573/rufinamide-crystal-structure-elucidation-and-solid-state-characterization
#7
Nita Salunke, Rajesh Thipparaboina, Rahul B Chavan, Anurag Lodagekar, Sudhir Mittapalli, Ashwini Nangia, Nalini R Shastri
Rufinamide (R) is a triazole derivative approved for the management of partial seizures and seizures associated with Lennox-Gastaut Syndrome, in November 2007. Crystal structure, solid state characterization, drug-excipient compatibility and solubility play a pivotal role in formulation development. This work deals with the crystal structure elucidation of R by single crystal X-ray diffraction and solid state characterization by thermal, spectroscopic and crystallographic techniques. Drug- excipient compatibility was assessed by differential scanning calorimetry (DSC)...
November 6, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29111501/understanding-variability-in-driving-recommendations-for-patients-with-seizures
#8
Sidrah Mahmud, Sean T Hwang
BACKGROUND: There is lack of consensus regarding driving restrictions for patients with epilepsy. Regulations vary by state. New York State (NYS) recommends driving restrictions for one year in a person with an episode of loss of consciousness (LOC), with physician discretion. Often, providers make recommendations to permit their patients to drive after a shorter seizure-free period than proposed guidelines. The prevalence and reasons behind more lenient recommendations have not been elucidated...
October 27, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29100095/mutations-in-gpaa1-encoding-a-gpi-transamidase-complex-protein-cause-developmental-delay-epilepsy-cerebellar-atrophy-and-osteopenia
#9
Thi Tuyet Mai Nguyen, Yoshiko Murakami, Eamonn Sheridan, Sophie Ehresmann, Justine Rousseau, Anik St-Denis, Guoliang Chai, Norbert F Ajeawung, Laura Fairbrother, Tyler Reimschisel, Alexandra Bateman, Elizabeth Berry-Kravis, Fan Xia, Jessica Tardif, David A Parry, Clare V Logan, Christine Diggle, Christopher P Bennett, Louise Hattingh, Jill A Rosenfeld, Michael Scott Perry, Michael J Parker, Françoise Le Deist, Maha S Zaki, Erika Ignatius, Pirjo Isohanni, Tuula Lönnqvist, Christopher J Carroll, Colin A Johnson, Joseph G Gleeson, Taroh Kinoshita, Philippe M Campeau
Approximately one in every 200 mammalian proteins is anchored to the cell membrane through a glycosylphosphatidylinositol (GPI) anchor. These proteins play important roles notably in neurological development and function. To date, more than 20 genes have been implicated in the biogenesis of GPI-anchored proteins. GPAA1 (glycosylphosphatidylinositol anchor attachment 1) is an essential component of the transamidase complex along with PIGK, PIGS, PIGT, and PIGU (phosphatidylinositol-glycan biosynthesis classes K, S, T, and U, respectively)...
November 2, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29097124/zika-virus-causes-persistent-infection-in-porcine-conceptuses-and-may-impair-health-in-offspring
#10
Joseph Darbellay, Brian Cox, Kenneth Lai, Mario Delgado-Ortega, Colette Wheler, Donald Wilson, Stewart Walker, Gregory Starrak, Duncan Hockley, Yanyun Huang, George Mutwiri, Andrew Potter, Matthew Gilmour, David Safronetz, Volker Gerdts, Uladzimir Karniychuk
Outcomes of Zika virus (ZIKV) infection in pregnant women vary from the birth of asymptomatic offspring to abnormal development and severe brain lesions in fetuses and infants. There are concerns that offspring affected in utero and born without apparent symptoms may develop mental illnesses. Therefore, animal models are important to test interventions against in utero infection and health sequelae in symptomatic and likely more widespread asymptomatic offspring. To partially reproduce in utero infection in humans, we directly inoculated selected porcine conceptuses with ZIKV...
September 21, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29096138/failed-epilepsy-surgery-deserves-a-second-chance
#11
Chrystal M Reed, Sandra Dewar, Itzhak Fried, Jerome Engel, Dawn Eliashiv
OBJECTIVES: Resective epilepsy surgery has been shown to have up to 70-80% success rates in patients with intractable seizure disorder. Around 20-30% of patients with Engel Classification III and IV will require reevaluation for further surgery. Common reasons for first surgery failures include incomplete resection of seizure focus, incorrect identification of seizure focus and recurrence of tumor. PATIENT AND METHODS: Clinical chart review of seventeen patients from a single adult comprehensive epilepsy program who underwent reoperation from 2007 to 2014 was performed...
October 23, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29096132/atomic-force-microscopy-investigations-of-fibronectin-and-%C3%AE-5%C3%AE-1-integrin-signaling-in-neuroplasticity-and-seizure-susceptibility-in-experimental-epilepsy
#12
Xin Wu, Mariappan Muthuchamy, Doodipala Samba Reddy
Extracellular matrix protein-integrin interaction on neurons plays an important role in the development of neuroplasticity in the brain. However, the role of fibronectin-integrin signaling in epilepsy is elusive. Here, we examined the functional role of fibronectin-integrin signaling by utilizing a combination approach involving atomic force microscopy (AFM), immunocytochemistry, and pharmacology in epileptic mouse dentate gyrus granule cells (DGGCs). There was marked increase in the fibronectin receptor α5β1-integrin staining intensity in DGGCs in epileptic mice...
October 24, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29093718/selective-limbic-blood-brain-barrier-breakdown-in-a-feline-model-of-limbic-encephalitis-with-lgi1-antibodies
#13
Anna R Tröscher, Andrea Klang, Maria French, Lucía Quemada-Garrido, Sibylle Maria Kneissl, Christian G Bien, Ákos Pákozdy, Jan Bauer
Human leucine-rich glioma-inactivated protein 1 encephalitis (LGI1) is an autoimmune limbic encephalitis in which serum and cerebrospinal fluid contain antibodies targeting LGI1, a protein of the voltage gated potassium channel (VGKC) complex. Recently, we showed that a feline model of limbic encephalitis with LGI1 antibodies, called feline complex partial seizures with orofacial involvement (FEPSO), is highly comparable to human LGI1 encephalitis. In human LGI1 encephalitis, neuropathological investigations are difficult because very little material is available...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29076466/-a-supraorbital-trans-eyebrow-approach-in-surgery-of-chiasmatic-sellar-and-anterior-cranial-fossa-tumors
#14
A G Alekseev, A A Pichugin, V I Danilov
OBJECTIVE: to analyze 31 resections of chiasmatic-sellar region (CSR) and anterior cranial fossa (ACF) tumors using the supraorbital trans-eyebrow approach (STA). MATERIAL AND METHODS: We analyzed medical histories of 31 patients who underwent tumor resection using STA in the period between October 2013 and April 2017. We analyzed the age and gender of patients, size and location of the tumor, presence of a neurological deficit, vision and olfactory functions before and after surgery, surgery duration, amount of intraoperative blood loss, rate of frontal sinus trephination and nasal liquorrhea, hemorrhagic and ischemic complications after surgery, Simpson grade of tumor resection, patient's condition before and after surgery (Glasgow Outcome Scale and Karnofsky Scale), and degree of patient satisfaction with the cosmetic result of surgery...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/29070752/a-surgical-case-of-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis-and-traumatic-neocortical-lesion
#15
Yu Kitazawa, Kazutaka Jin, Masaki Iwasaki, Hiroyoshi Suzuki, Fumiaki Tanaka, Nobukazu Nakasato
A 26-year-old right-handed woman, with a history of left temporal lobe contusion caused by a fall at the age of 9 months, started to have complex partial seizures with oral automatism at the age of 7 years. The seizures occurred once or twice a month despite combination therapy with several antiepileptic agents. Her history and imaging studies suggested the diagnosis of epilepsy arising from traumatic neocortical temporal lesion. Comprehensive assessment including long-term video EEG monitoring, MRI, FDG-PET, MEG, and neuropsychological evaluation was performed at the age of 26 years...
October 26, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29067682/eslicarbazepine-acetate-add-on-for-drug-resistant-partial-epilepsy
#16
REVIEW
Xian-Chao Chang, Hai Yuan, Yi Wang, Hui-Qin Xu, Wen-Ke Hong, Rong-Yuan Zheng
BACKGROUND: This is an updated version of the Cochrane Review published in the Cochrane Library 2011, Issue 12.The majority of people with epilepsy have a good prognosis, but up to 30% of people continue to have seizures despite several regimens of antiepileptic drugs. In this review, we summarized the current evidence regarding eslicarbazepine acetate (ESL) when used as an add-on treatment for drug-resistant partial epilepsy. OBJECTIVES: To evaluate the efficacy and tolerability of ESL when used as an add-on treatment for people with drug-resistant partial epilepsy...
October 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29067083/the-long-term-prognosis-of-epilepsy-patients-with-medically-treated-over-a-period-of-eight-years-in-turkey
#17
Pelin Duman, Asuman Orhan Varoglu, Esra Kurum
OBJECTIVE: The aim of this study was to investigate the effect of demographic and clinical characteristics on temporal changes in seizure control and frequency in medically treated epilepsy patients to guide treatment modalities. METHODS: We retrospectively analyzed the association between clinical and demographic characteristics and seizure frequency in 1329 epilepsy patients who were followed up at an outpatient clinic for one to eight years, 2008-2015.. RESULTS: Younger age at first seizure (p = 0...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29062692/efficacy-of-perampanel-in-a-patient-with-epilepsia-partialis-continua
#18
H Argente-Escrig, A Gómez-Ibáñez, V Villanueva
Perampanel is the first-in-class selective and noncompetitive α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor antagonist. It is authorized in the U.S. and Europe as an add-on antiepileptic drug for partial-onset seizures, and for primary generalized tonic-clonic seizures. Single reports have also indicated a potential efficacy for myoclonic jerks. Here, we report a patient whose drug-resistant epilepsia partialis continua completely resolved after adding perampanel. She has remained seizure-free in an eighteen-month follow-up period...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/29062105/resection-of-high-frequency-oscillations-predicts-seizure-outcome-in-the-individual-patient
#19
Tommaso Fedele, Sergey Burnos, Ece Boran, Niklaus Krayenbühl, Peter Hilfiker, Thomas Grunwald, Johannes Sarnthein
High frequency oscillations (HFOs) are recognized as biomarkers for epileptogenic brain tissue. A remaining challenge for epilepsy surgery is the prospective classification of tissue sampled by individual electrode contacts. We analysed long-term invasive recordings of 20 consecutive patients who subsequently underwent epilepsy surgery. HFOs were defined prospectively by a previously validated, automated algorithm in the ripple (80-250 Hz) and the fast ripple (FR, 250-500 Hz) frequency band. Contacts with the highest rate of ripples co-occurring with FR over several five-minute time intervals designated the HFO area...
October 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29059488/stereoelectroencephalography-and-surgical-outcome-in-polymicrogyria-related-epilepsy-a-multicentric-study
#20
Louis Georges Maillard, Laura Tassi, Fabrice Bartolomei, Hélène Catenoix, François Dubeau, William Szurhaj, Philippe Kahane, Anca Nica, Petr Marusic, Ioana Mindruta, Francine Chassoux, Georgia Ramantani
OBJECTIVE: We aimed to (1) assess the concordance between various polymicrogyria (PMG) types and the associated epileptogenic zone (EZ), as defined by stereoelectroencephalography (SEEG), and (2) determine the postsurgical seizure outcome in PMG-related drug-resistant epilepsy. METHODS: We retrospectively analyzed 58 cases: 49 had SEEG and 39 corticectomy or hemispherotomy. RESULTS: Mean age at SEEG or surgery was 28.3 years (range, 2-50)...
October 23, 2017: Annals of Neurology
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