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https://www.readbyqxmd.com/read/29643517/-application-of-scalp-recorded-high-frequency-oscillations-in-epileptic-encephalopathy-with-continuous-spike-and-wave-during-sleep
#1
P Gong, Z X Yang, J Xue, P Qian, H P Yang, X Y Liu, K G Bian
OBJECTIVE: To investigate the clinical significance of high-frequency oscillations (HFOs) on scalp electroencephalography (EEG) in patients with epileptic encephalopathy with continuous spike-and-wave during sleep (CSWS). METHODS: Twenty-one CSWS patients treated for epilepsy from January 2006 to December 2016 in Pediatric Department of Peking University First Hospital were enrolled into the study. Selected clinical variables including gender, age parameters, seizure frequencies and antiepileptic drugs were compared between (a)...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29629500/altered-structural-brain-connectivity-involving-the-dorsal-and-ventral-language-pathways-in-16p11-2-deletion-syndrome
#2
Banu Ahtam, Naira Link, Erikson Hoff, P Ellen Grant, Kiho Im
Copy number variants at the chromosomal locus 16p11.2 contribute to neurodevelopmental disorders such as autism spectrum disorders, epilepsy, schizophrenia, and language and articulation disorders. Here, we provide detailed findings on the disrupted structural brain connectivity in 16p11.2 deletion syndrome (patients: N = 21, age range: 8-16 years; typically developing (TD) controls: 18, 9-16 years) using structural and diffusion MRI. We performed global short-, middle-, long-range, and interhemispheric connectivity analysis in the whole brain using gyral topology-based cortical parcellation...
April 9, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29625363/off-label-use-and-manipulations-of-antiepileptic-drugs-in-children-analysis-of-the-outpatient-prescriptions-in-a-tertiary-center
#3
Mathieu Kuchenbuch, Nicole Chemaly, Kassem Mb Henniene, Anna Kaminska, Catherine Chiron, Rima Nabbout
OBJECTIVES: Little is known about off-label use and manipulations to achieve the prescribed dose of antiepileptic drugs (AEDs) in outpatient prescriptions. This study aimed to evaluate this practice in a tertiary center for child epilepsy. METHODS: We reviewed off-label use and manipulations of AEDs delivered to the outpatient's epilepsy clinic. Multivariate logistic regressions were used to determine the factors associated with off-label and manipulated uses. RESULTS: Five hundred eleven consultations generated 897 AED deliveries (1...
April 3, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29623027/preclinical-to-clinical-translation-of-studies-of-transcranial-direct-current-stimulation-in-the-treatment-of-epilepsy-a-systematic-review
#4
Gabriela G Regner, Patrícia Pereira, Douglas T Leffa, Carla de Oliveira, Rafael Vercelino, Felipe Fregni, Iraci L S Torres
Epilepsy is a chronic brain syndrome characterized by recurrent seizures resulting from excessive neuronal discharges. Despite the development of various new antiepileptic drugs, many patients are refractory to treatment and report side effects. Non-invasive methods of brain stimulation, such as transcranial direct current stimulation (tDCS), have been tested as alternative approaches to directly modulate the excitability of epileptogenic neural circuits. Although some pilot and initial clinical studies have shown positive results, there is still uncertainty regarding the next steps of investigation in this field...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29622280/effectiveness-of-total-corpus-callosotomy-for-diffuse-bilateral-polymicrogyria-report-of-three-pediatric-cases
#5
Shimpei Baba, Tohru Okanishi, Mitsuyo Nishimura, Sotaro Kanai, Shinji Itamura, Takayuki Suzuki, Yosuke Masuda, Hideo Enoki, Ayataka Fujimoto
PURPOSE: Polymicrogyria, a malformation of the cerebral cortex, frequently causes epilepsy. Diffuse bilateral polymicrogyria (DBP) is related to poor epilepsy prognosis, but most patients with DBP are not good candidates for resective epilepsy surgery and effectiveness of corpus callosotomy (CC), a palliative surgery, for patients without resective epileptogenic cortices, has not been established in DBP. Because CC might be effective against DBP-related epilepsy, we conducted total CC in three pediatric DBP cases...
April 3, 2018: Brain & Development
https://www.readbyqxmd.com/read/29620008/de-novo-late-onset-absence-status-epilepticus-or-late-onset-idiopathic-generalized-epilepsy-a-case-report-and-systematic-review-of-the-literature
#6
Francesco Brigo, Veronica Tavernelli, Raffaele Nardone, Eugen Trinka
Idiopathic (genetic) generalized epilepsies (IGEs) are age-related epileptic syndromes with typical age onset in childhood or adolescence. We report a patient with de novo late-onset absence status epilepticus (ASE) occurring at the age of 64 years, with clinical and EEG features suggestive of late-onset IGE. We also discuss the relationship between de novo late-onset ASE and late-onset IGE, and provide a comprehensive and critical review of the available literature on late-onset (i.e. onset ≥60 years) IGE...
April 5, 2018: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/29618099/surgical-treatment-of-extratemporal-epilepsy-results-and-prognostic-factors
#7
Daniel Delev, Bernhard Oehl, Bernhard J Steinhoff, Julia Nakagawa, Christian Scheiwe, Andreas Schulze-Bonhage, Josef Zentner
BACKGROUND: Surgery is a widely accepted option for the treatment of pharmacoresistant epilepsies of extratemporal origin. OBJECTIVE: To analyze clinical and epileptological results and to provide prognostic factors influencing seizure outcome. METHODS: This retrospective single-center study comprises a consecutive series of 383 patients, most of whom had an identifiable lesion on MRI, who underwent resective surgery for extratemporal epilepsy...
March 30, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29610055/language-function-in-childhood-idiopathic-epilepsy-syndromes
#8
D C Jackson, J E Jones, D A Hsu, C E Stafstrom, J J Lin, D Almane, M A Koehn, M Seidenberg, B P Hermann
PURPOSE: To examine the impact of diverse syndromes of focal and generalized epilepsy on language function in children with new and recent onset epilepsy. Of special interest was the degree of shared language abnormality across epilepsy syndromes and the unique effects associated with specific epilepsy syndromes. METHODS: Participants were 136 youth with new or recent-onset (diagnosis within past 12 months) epilepsy and 107 healthy first-degree cousin controls...
March 30, 2018: Brain and Language
https://www.readbyqxmd.com/read/29605618/progressive-myoclonus-epilepsy-without-renal-failure-in-a-chinese-family-with-a-novel-mutation-in-scarb2-gene-and-literature-review
#9
Wo-Tu Tian, Xiao-Li Liu, Yang-Qi Xu, Xiao-Jun Huang, Hai-Yan Zhou, Ying Wang, Hui-Dong Tang, Sheng-Di Chen, Xing-Hua Luan, Li Cao
PURPOSE: To describe the clinical and genetic features of a Chinese progressive myoclonus epilepsy (PME) patient related with SCARB2 mutation without renal impairment and review 27 SCARB2-related PME patients from 11 countries. METHODS: The patient was a 27-year-old man with progressive action myoclonus, ataxia, epilepsy, dysarthria and absence of cognitive deterioration. Renal functional test was normal. Electroencephalography (EEG) showed progressively slowed background activity and sporadic generalized spike-and-wave discharges...
March 14, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29604188/maternal-care-exerts-disease-modifying-effects-on-genetic-absence-epilepsy-and-comorbid-depression
#10
Karine Yu Sarkisova, Alla V Gabova
WAG/Rij rats, a genetic animal model of absence epilepsy with comorbidity of depression, exhibit behavioral depression-like symptoms and spontaneous generalized spike-wave discharges (SWDs) in the EEG at the age of 6-8 months. The aim of the present study was to test the hypothesis that maternal care is an environmental factor which, along with genetic predisposition, may contribute to the expression of absence seizures and depression-like comorbidity later in life. To achieve this, a cross-fostering procedure was used...
March 31, 2018: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29602830/3%C3%AE-methyl-neurosteroid-analogs-are-preferential-positive-allosteric-modulators-and-direct-activators-of-extrasynaptic-%C3%AE-gaba-a-receptors-in-the-hippocampus-dentate-gyrus-subfield
#11
Shu-Hui Chuang, Doodipala Samba Reddy
Neurosteroids are powerful modulators of GABA-A receptors. Ganaxolone (3α-hydroxy-3β-methyl-5α-pregnan-20-one, GX) and synthetic analogs of the neurosteroid allopregnanolone (AP) are designed to treat epilepsy and related conditions. However, their precise mechanism of action in native neurons remains unclear. Here, we sought to determine the mode of action of GX and its analogs at GABA-A receptors in native hippocampal neurons by analyzing extrasynaptic receptor-mediated tonic currents and synaptic receptor-mediated phasic currents...
March 30, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29602081/juvenile-myoclonic-epilepsy-refractory-to-treatment-in-a-tertiary-referral-center
#12
Gonçalo Cação, Joana Parra, Shahidul Mannan, Sanjay M Sisodiya, Josemir W Sander
INTRODUCTION: Juvenile myoclonic epilepsy (JME) is an epileptic syndrome often regarded as one in which seizures are relatively easy to control. Individuals with JME, however, often require lifelong therapy to remain seizure-free, and a few have refractory epilepsy. We ascertained a population with JME and characterized a subgroup with refractory epilepsy. MATERIAL AND METHODS: We audited and reviewed clinical records of individuals diagnosed with JME identified via a sample of 6600 individuals in a clinical database from a specialized epilepsy clinic at a tertiary referral center...
March 26, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29600809/radiosurgery-versus-open-surgery-for-mesial-temporal-lobe-epilepsy-the-randomized-controlled-rose-trial
#13
Nicholas M Barbaro, Mark Quigg, Mariann M Ward, Edward F Chang, Donna K Broshek, John T Langfitt, Guofen Yan, Kenneth D Laxer, Andrew J Cole, Penny K Sneed, Christopher P Hess, Wei Yu, Manjari Tripathi, Christianne N Heck, John W Miller, Paul A Garcia, Andrew McEvoy, Nathan B Fountain, Vincenta Salanova, Robert C Knowlton, Anto Bagić, Thomas Henry, Siddharth Kapoor, Guy McKhann, Adriana E Palade, Markus Reuber, Evelyn Tecoma
OBJECTIVE: To compare stereotactic radiosurgery (SRS) versus anterior temporal lobectomy (ATL) for patients with pharmacoresistant unilateral mesial temporal lobe epilepsy (MTLE). METHODS: This randomized, single-blinded, controlled trial recruited adults eligible for open surgery among 14 centers in the USA, UK, and India. Treatment was either SRS at 24 Gy to the 50% isodose targeting mesial structures, or standardized ATL. Outcomes were seizure remission (absence of disabling seizures between 25 and 36 months), verbal memory (VM), and quality of life (QOL) at 36-month follow-up...
March 30, 2018: Epilepsia
https://www.readbyqxmd.com/read/29597185/diazepam-for-outpatient-treatment-of-nonconvulsive-status-epilepticus-in-pediatric-patients-with-angelman-syndrome
#14
Lila Worden, Olivia Grocott, Amanda Tourjee, Fonda Chan, Ronald Thibert
Nonconvulsive status epilepticus (NCSE) is present in multiple pediatric neurogenetic syndromes with epileptic encephalopathies. While intravenous (IV) medications are used inpatient for treatment of critical illness-related NCSE, there is no consensus on treatment of ambulatory NCSE. Up to 50% of patients with Angelman syndrome (AS) have NCSE with myoclonic or atypical absence status. Here we report our experience in pediatric patients with AS and NCSE treated outpatient with a tapering course of oral diazepam...
March 26, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29594870/treatment-strategies-for-dravet-syndrome
#15
REVIEW
Kelly G Knupp, Elaine C Wirrell
Dravet syndrome (DS) is a medically refractory epilepsy that onsets in the first year of life with prolonged seizures, often triggered by fever. Over time, patients develop other seizure types (myoclonic, atypical absences, drops), intellectual disability, crouch gait and other co-morbidities (sleep problems, autonomic dysfunction). Complete seizure control is generally not achievable with current therapies, and the goals of treatment are to balance reduction of seizure burden with adverse effects of therapies...
March 28, 2018: CNS Drugs
https://www.readbyqxmd.com/read/29594836/molecular-dynamics-characterization-of-the-samhd1-aicardi-gouti%C3%A3-res-arg145gln-mutant-structural-determinants-for-the-impaired-tetramerization
#16
Francesca Cardamone, Mattia Falconi, Alessandro Desideri
Aicardi-Goutières syndrome, a rare genetic disorder characterized by calcification of basal ganglia, results in psychomotor delays and epilepsy states from the early months of children life. This disease is caused by mutations in seven different genes encoding proteins implicated in the metabolism of nucleic acids, including SAMHD1. Twenty SAMHD1 gene variants have been discovered and in this work, a structural characterization of the SAMHD1 Aicardi-Goutières Arg145Gln mutant is reported by classical molecular dynamics simulation...
March 28, 2018: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/29593126/effect-of-the-allopregnanolone-and-allotetrahydrodeoxycorticosteron-on-spike-wave-discharges-in-the-eeg-of-absence-epilepsy-rat-models
#17
Sebahattin Karabulut, Ruslan Bayramov, Keziban Korkmaz Bayramov, Ahmet K Filiz, Ahmet S Taskiran, Ercan Ozdemir
Absence epilepsy is a generalized nonconvulsive type of epilepsy that is characterized by spike-wave discharges (SWD) with a frequency of 2.5-4 Hz in the EEG. The activation of the GABAergic system in central nervous system suppresses convulsive seizures but exacerbates absence seizures. Endogenous neuroactive steroids such as 3α-hydroxy-5α-pregnan-20-one (3α,5α-THPROG; allopregnanolone) and 3α,21-dihydroxy-5α-pregnan-20-one (3α,5α-THDOC, allotetrahydrodeoxycorticosteron) are GABA-A receptor-positive allosteric modulators...
March 2018: General Physiology and Biophysics
https://www.readbyqxmd.com/read/29588970/prevalence-risk-factors-and-neurobehavioral-comorbidities-of-epilepsy-in-kenyan-children
#18
Charles J Kind, Charles R J C Newton, Symon M Kariuki
Objective: To investigate the prevalence, risk factors, clinical features, and neurobehavioral comorbidities of epilepsy and acute symptomatic seizures in school-aged children in Kilifi, Kenya. Methods: Randomly selected children (N = 11,223) were screened for epilepsy and other neurodevelopmental disorders. Those who screened positive were invited for further clinical, electroencephalographic (EEG), and neuropsychological evaluations. Prevalence was measured by dividing cases by screened population, providing Agresti-Coull confidence intervals (CIs)...
December 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29588951/magnitude-and-factors-associated-with-nonadherence-to-antiepileptic-drug-treatment-in-africa-a-cross-sectional-multisite-study
#19
Fredrick Ibinda, Peter Odermatt, Symon M Kariuki, Angelina Kakooza-Mwesige, Ryan G Wagner, Seth Owusu-Agyei, Honorati Masanja, Anthony K Ngugi, Caroline K Mbuba, Victor C K Doku, Brian G Neville, Josemir W Sander, Charles R J C Newton
Objectives: The epilepsy treatment gap is large in low- and middle-income countries, but the reasons behind nonadherence to treatment with antiepileptic drugs (AEDs) across African countries remain unclear. We investigated the extent to which AEDs are not taken and associated factors in people with active convulsive epilepsy (ACE) identified in cross-sectional studies conducted in five African countries. Methods: We approached 2,192 people with a confirmed diagnosis of ACE for consent to give blood voluntarily...
June 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29573400/retrospective-study-of-perampanel-efficacy-and-tolerability-in-myoclonic-seizures
#20
F J Gil-López, J Montoya, M Falip, J Aparicio, F J López-González, R Toledano, A Gil-Nagel, A Molins, I García, P Serrano, G Domenech, F Torres, A Donaire, M Carreño
OBJECTIVES: Perampanel is an antiepileptic drug (AED) approved for add-on treatment of focal seizures (with or without generalization) and primary generalized tonic-clonic (GTC) seizures. Our objective was to explore the effectiveness and tolerability of adjunctive perampanel in patients with drug-resistant myoclonic seizures, after failure of other AEDs. MATERIALS AND METHODS: Retrospective, multicenter, observational study. Data were collected from individual patient clinical files and analysed using appropriate descriptive statistics and inferential analyses...
March 24, 2018: Acta Neurologica Scandinavica
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