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idiopathic epilepsy

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https://www.readbyqxmd.com/read/29160210/exceptional-response-to-brivaracetam-in-a-patient-with-refractory-idiopathic-generalized-epilepsy-and-absence-seizures
#1
Alberto Grande-Martín, David Sopelana-Garay, José Manuel Pardal-Fernández, Rosa María Sánchez-Honrubia, Álvaro Abelardo Sánchez-Larsen
Brivaracetam is currently indicated as adjunctive therapy for patients with focal-onset seizures with or without secondary generalization. However, it has been suggested that it could provide broad-spectrum efficacy given its similarity to levetiracetam and based on the results from preclinical studies and others of patients with generalized epilepsy. We present the case of a woman with refractory idiopathic generalized epilepsy and absence seizures with dramatic response to brivaracetam. Our report supports a consideration of treatment with this new antiepileptic drug on a case-by-case basis in patients with refractory generalized epilepsy, while we await further studies on this topic...
November 21, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/29153107/interictal-cardiac-autonomic-nervous-system-disturbances-in-dogs-with-idiopathic-epilepsy
#2
M Musteata, D Mocanu, G D Stanciu, M Armasu, G Solcan
Autonomic nervous system (ANS) activity in the interictal period (InIp) in dogs with presumed idiopathic epilepsy (pIE) was assessed using heart rate variability (HRV) analysis. The HRVs obtained from 28 pIE dogs with interictal epileptic discharges (InIEd; 11 with treatment and 17 without treatment) detected on electroencephalography (EEG) were compared with those obtained from 13 healthy dogs. On electrocardiographic (ECG) study, the P wave dispersion (PWD; P<0.001), P max (P=0.004) and corrected QT interval (QTc; P=0...
October 2017: Veterinary Journal
https://www.readbyqxmd.com/read/29141638/diffusion-weighted-imaging-of-the-brains-of-dogs-with-idiopathic-epilepsy
#3
Antje Hartmann, Steffen Sager, Klaus Failing, Marion Sparenberg, Martin J Schmidt
BACKGROUND: Idiopathic epilepsy is one of the most common neurological disorders in dogs. Unfortunately, up to 30% of dogs with idiopathic epilepsy show no improvement under antiepileptic drug treatment. Diffusion-weighted imaging is used in human medicine to identify epileptogenic foci in the brain to allow for more invasive treatments such as deep brain stimulation or surgical removal. The aim of this study was to ass the feasibility of interictal diffusion-weighted MRI in dogs and to evaluate the distribution of diffusion in the brains of dogs with idiopathic epilepsy (IE) and to compare these values to previously published values from healthy beagle dogs...
November 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29110561/efficacy-of-zonisamide-on-interictal-electroencephalography-in-familial-spontaneous-epileptic-cats
#4
Masayasu Ukai, Yuji Hamamoto, Yoshihiko Yu, Aki Fujiwara-Igarashi, Michio Fujita, Daisuke Hasegawa
Objectives The effectiveness of zonisamide (ZNS) against spontaneous epilepsy in cats has not yet been described. The purpose of this study was to investigate the effect of ZNS on interictal paroxysmal discharges (PDs) using scalp electroencephalography (EEG) in familial spontaneous epileptic cats (FSECs). Methods Eight FSECs were evaluated (six males and two females). Scalp EEG measurements were performed once a week for 3 weeks before ZNS administration (Pre-ZNS). Thereafter, administration of ZNS was started and an adjustment period was instituted until the drug in plasma achieved the steady state...
November 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29108421/neonatal-arterial-ischemic-stroke-risk-related-to-family-history-maternal-diseases-and-genetic-thrombophilia
#5
Juan Arnaez, Gemma Arca, Ana Martín-Ancel, Thais Agut, Alfredo Garcia-Alix
The objective of this study was to evaluate the heritability of neonatal arterial ischemic stroke (NAIS) in relation to family history of thromboembolic event, maternal diseases, and thrombophilia in both parents ( F5G1691A, F2G20210A, and MTHFRC677 T mutations). Forty-two consecutive infants ≥36 weeks of gestation <28 days of life with acute symptomatic NAIS and their parents, as well as 129 controls, were prospectively recruited. Information on maternal data (age, body mass index, oral contraception, migraine, epilepsy, hypertension, and immune disease) and a 3-generation pedigree regarding myocardial infarction, pulmonary embolism, cerebrovascular event, and deep vein thrombosis were obtained...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29073474/effects-of-continuous-theta-burst-transcranial-magnetic-stimulation-on-cortical-excitability-in-patients-with-idiopathic-generalized-epilepsy
#6
Guray Koc, Zeki Gokcil, Semai Bek, Tayfun Kasikci, Erdal Eroglu, Zeki Odabasi
INTRODUCTION: Transcranial magnetic stimulation (TMS) is a noninvasive technique for investigating cortical physiologic functions in the brain. In this study, the effects of continuous theta burst stimulation (cTBS) on motor evoked potential (MEP) parameters in patients with idiopathic generalized epilepsy (IGE) were investigated. MATERIALS AND METHODS: Fifteen patients with IGE were included. Motor threshold (MT) and cortical silent period (CSP) were determined before cTBS application...
October 23, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29064616/gain-of-function-hcn2-variants-in-genetic-epilepsy
#7
Melody Li, Snezana Maljevic, A Marie Phillips, Slave Petrovski, Michael Hildebrand, Rosemary Burgess, Therese Mount, Federico Zara, Pasquale Striano, Julian Schubert, Holger Thiele, Peter Nürnberg, Michael Wong, Judith L Weisenberg, Liu Lin Thio, Holger Lerche, Ingrid E Scheffer, Samuel F Berkovic, Steven Petrou, Christopher A Reid
Genetic generalized epilepsy (GGE) is a common epilepsy syndrome that encompasses seizure disorders characterized by spike-and-wave discharges (SWDs). Pacemaker hyperpolarization-activated cyclic nucleotide-gated channels (HCN) are considered integral to SWD genesis, making them an ideal gene candidate for GGE. We identified HCN2 missense variants from a large cohort of 585 GGE patients, recruited by the Epilepsy Phenome-Genome Project (EPGP), and performed functional analysis using two-electrode voltage clamp recordings from Xenopus oocytes...
October 24, 2017: Human Mutation
https://www.readbyqxmd.com/read/29057860/resting-state-fmri-findings-in-patients-with-first-episode-idiopathic-epilepsy-before-and-after-treatment
#8
Peng-Fei Qiao, Guang-Ming Niu
OBJECTIVE: To detect resting-state functional MRI (rsfMRI) changes and their relationships with the clinical curative effect of anti-epileptic drugs (AEDs) for complex partial seizures (CPS) in epilepsy patients using the fractional amplitude of low frequency fluctuation (fALFF). METHODS: rfMRI data from 14 CPS patients enrolled between June 2015 and June 2016 in Department of Neurology, Affiliated Hospital of Inner Mongolia Medical University were retrospectively investigated and compared with findings from 14 healthy age-, gender-, handedness-, and education-matched subjects...
October 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/29046145/experimental-treatment-options-in-absence-epilepsy
#9
Gilles van Luijtelaar, Mehrnoush Zobeiri, Annika Lüttjohann, Antoine Depaulis
BACKGROUND: The benign character of absence epilepsy compared to other genetic generalized epilepsy syndromes has often hampered the search for new treatment options. Absence epilepsy is most often treated with ethosuximide or valproic acid. However, both drugs are not always well tolerated or fail, and seizure freedom for a larger proportion of patients remains to be achieved. The availability of genuine animal models of epilepsy does allow to search for new treatment options not only for absence epilepsy perse but also for other genetic - previously called idiopathic - forms of epilepsy...
October 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29037435/feline-epilepsy
#10
REVIEW
Heidi Barnes Heller
Seizures occur commonly in cats and can be classified as idiopathic epilepsy, structural epilepsy, or reactive seizures. Pursuit of a diagnosis may include a complete blood count, serum biochemistry, brain MRI, and cerebrospinal fluid analysis as indicated. Antiepileptic drugs should be considered if a cat is having frequent seizures, or any 1 seizure longer than 5 minutes. Phenobarbital is often the drug of choice; however, levetiracetam may be more useful for certain types of epilepsy in cats. Long-term prognosis depends on the underlying diagnosis and response to therapy...
October 13, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/29023170/ampa-receptors-and-perampanel-behind-selected-epilepsies-current-evidence-and-future-perspectives
#11
Carlo Di Bonaventura, Angelo Labate, Marta Maschio, Stefano Meletti, Emilio Russo
The alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptors are the major mediators of glutamate-mediated excitatory neurotransmission, and are critical for synchronization and spread of epileptic activity. Areas covered: AMPA receptor antagonists have been also developed as antiepileptic drugs and perampanel (PER) is the first highly selective, non-competitive AMPA-type glutamate receptor antagonist that is available on the market. It is approved as adjunctive therapy for the treatment of partial-onset seizures with or without secondary generalization, and for primary generalized tonic-clonic seizures in idiopathic generalized epilepsy, in patients aged ≥ 12 years...
October 17, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28993543/psychiatric-and-behavioural-problems-in-children-and-adolescents-with-epilepsy
#12
K A Salayev, B Sanne, R Salayev
OBJECTIVE: To investigate the psychiatric and behavioural symptoms in children and adolescents with epilepsy. METHODS: Patients with epilepsy and aged 4 to 16 years were recruited from a medical centre in Azerbaijan during January 2012 to December 2013. A community sample was drawn from 3 schools as the comparison group. The Strengths and Difficulties Questionnaire (SDQ) was administered to parents of both patients with epilepsy and children in the comparison group...
September 2017: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/28991183/orexin-receptor-multimerization-versus-functional-interactions-neuropharmacological-implications-for-opioid-and-cannabinoid-signalling-and-pharmacogenetics
#13
Miles D Thompson, Takeshi Sakurai, Innocenzo Rainero, Mary C Maj, Jyrki P Kukkonen
Orexins/hypocretins are neuropeptides formed by proteolytic cleavage of a precursor peptide, which are produced by neurons found in the lateral hypothalamus. The G protein-coupled receptors (GPCRs) for these ligands, the OX₁ and OX₂ orexin receptors, are more widely expressed throughout the central nervous system. The orexin/hypocretin system has been implicated in many pathways, and its dysregulation is under investigation in a number of diseases. Disorders in which orexinergic mechanisms are being investigated include narcolepsy, idiopathic sleep disorders, cluster headache and migraine...
October 8, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28985614/complement-system-dysregulation-in-patients-affected-by-idiopathic-generalized-epilepsy-and-the-effect-of-antiepileptic-treatment
#14
Claudio Liguori, Andrea Romigi, Francesca Izzi, Fabio Placidi, Marzia Nuccetelli, Alberto Cordella, Sergio Bernardini, Mercuri Nicola Biagio
Complement system dysregulation has been hypothesized as a possible pathogenetic factor triggering epileptogenesis in both animal models and human studies. The aim of the present study is to evaluate the complement system in adult patients affected by idiopathic generalized epilepsy (IGE), either untreated or treated by antiepileptic drugs (AEDs). Thirty-seven IGE patients were compared to a population of 20 matched healthy controls. IGE patients underwent neurological investigation, epilepsy diary, 24-h EEG recording, and blood sample for the assessment of the complement factors C3 and C4, fibrinogen, and C-reactive protein (CRP) serum levels...
September 21, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28984246/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-1
#15
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...
October 6, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28983769/temporal-lobe-epilepsy-due-to-meningoencephaloceles-into-the-greater-sphenoid-wing-a-consequence-of-idiopathic-intracranial-hypertension
#16
H Urbach, G Jamneala, I Mader, K Egger, S Yang, D Altenmüller
PURPOSE: Antero-inferior temporal lobe meningoencephaloceles are a rare, but increasingly recognized cause of drug-resistant temporal lobe epilepsy (TLE). In order to evaluate whether these lesions are related to idiopathic intracranial hypertension (IIH), we analyzed clinical and MRI findings of a cohort of patients undergoing presurgical work-up. METHODS: Seizure onset in the anterior temporal lobe was proven by EEG electrodes in 22 patients, and in 21 patients, anterior temporal lobectomy (mostly with sparing of the hippocampus) was performed...
October 5, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28960284/potential-years-lost-and-life-expectancy-in-adults-with-newly-diagnosed-epilepsy
#17
Claudia A Granbichler, Georg Zimmermann, Willi Oberaigner, Giorgi Kuchukhidze, Jean-Pierre Ndayisaba, Alexandra Taylor, Gerhard Luef, Arne C Bathke, Eugen Trinka
OBJECTIVE: Studies using relative measures, such as standardized mortality ratios, have shown that patients with epilepsy have an increased mortality. Reports on more direct and absolute measure such as life expectancy are sparse. We report potential years lost and how life expectancy has changed over 40 years in a cohort of patients with newly diagnosed epilepsy. METHODS: We analyzed life expectancy in a cohort of adult patients diagnosed with definite epilepsy between 1970 and 2010...
November 2017: Epilepsia
https://www.readbyqxmd.com/read/28960278/remission-of-encephalopathy-with-status-epilepticus-eses-during-sleep-renormalizes-regulation-of-slow-wave-sleep
#18
Bigna K Bölsterli, Elena Gardella, Elena Pavlidis, Flavia M Wehrle, Carlo A Tassinari, Reto Huber, Guido Rubboli
OBJECTIVE: In previous studies, we showed an altered overnight decrease of non-rapid-eye-movement (NREM) sleep slow waves in children with encephalopathy related to status epilepticus during sleep (ESES). Here, we test the hypothesis that these alterations renormalize after remission of ESES. Because overnight decrease of slow waves has been linked to brain recovery and cognition, we investigate whether cognitive outcome is related to overnight changes of slow waves. METHODS: We performed a retrospective analysis of longitudinal overnight electroencephalography (EEG) in 10 patients with idiopathic ESES...
November 2017: Epilepsia
https://www.readbyqxmd.com/read/28951233/identification-of-two-mutations-in-cis-in-the-scn1a-gene-in-a-family-showing-genetic-epilepsy-with-febrile-seizures-plus-gefs-and-idiopathic-generalized-epilepsy-ige
#19
N Binini, G Sancini, C Villa, R Dal Magro, V Sansoni, R Rusconi, M Mantegazza, D Grioni, F Talpo, M Toselli, R Combi
Mutations in the SCN1A gene causing either loss or gain of function have been frequently found in patients affected by genetic epilepsy with febrile seizures plus (GEFS+) or Dravet syndrome (also named severe myoclonic epilepsy in infancy SMEI). By mutation screening of the SCN1A gene, we identified for the first time a case of two missense mutations in cis (p.[Arg1525Gln;Thr297Ile]) in all affected individuals of an Italian family showing GEFS+ and idiopathic generalized epilepsy (IGE). The p.Arg1525Gln mutation was not previously reported yet and was predicted to be pathological by prediction tools, whereas the p...
December 15, 2017: Brain Research
https://www.readbyqxmd.com/read/28941623/post-licensure-safety-surveillance-study-of-routine-use-of-quadrivalent-meningococcal-diphtheria-toxoid-conjugate-vaccine
#20
J Hansen, L Zhang, N P Klein, C A Robertson, M D Decker, D P Greenberg, E Bassily, R Baxter
BACKGROUND: Menactra® vaccine (MenACWY-D) was licensed in the United States in 2005 for persons 11-55years of age. The aim of this study was to assess the safety of MenACWY-D administered as part of routine clinical care to patients at Kaiser Permanente Northern California (KPNC). METHODS: This was an observational, retrospective study that included all KPNC members who received MenACWY-D during the study period. We monitored all vaccine recipients for non-elective hospitalizations, emergency department visits, and selected outcomes captured in the clinic setting (Bell's palsy, seizures, neuritis, Guillain-Barré syndrome, encephalopathy, encephalitis, epilepsy, transverse myelitis, multiple sclerosis, hypersensitivity reactions, idiopathic thrombocytopenic purpura, diabetes, arthritis, hemolytic anemia, collagen-vascular disease) through 6months after vaccination...
September 20, 2017: Vaccine
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