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https://www.readbyqxmd.com/read/28550637/breaking-bad-the-structure-and-function-of-the-blood-brain-barrier-in-epilepsy
#1
Hadas Han, Aniv Mann, Dana Ekstein, Sara Eyal
Epilepsy is a neurological disease with variable etiology and clinical manifestation, affecting more than 50 million people worldwide. Although the ultimate precipitators of seizures are neurons, it is becoming evident that epileptic activity is associated with changes in the function of other cell types, including those consisting the blood-brain barrier (BBB) and regulating its permeability. The interrelationships between impaired BBB function and epilepsy are complex, as BBB dysfunction may both lead to seizures and be induced by epileptic activity...
May 26, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28550480/characteristics-associated-with-quality-of-life-among-people-with-drug-resistant-epilepsy
#2
Leone Ridsdale, Gabriella Wojewodka, Emily Robinson, Sabine Landau, Adam Noble, Stephanie Taylor, Mark Richardson, Gus Baker, Laura H Goldstein
Quality of Life (QoL) is the preferred outcome in non-pharmacological trials, but there is little UK population evidence of QoL in epilepsy. In advance of evaluating an epilepsy self-management course we aimed to describe, among UK participants, what clinical and psycho-social characteristics are associated with QoL. We recruited 404 adults attending specialist clinics, with at least two seizures in the prior year and measured their self-reported seizure frequency, co-morbidity, psychological distress, social characteristics, including self-mastery and stigma, and epilepsy-specific QoL (QOLIE-31-P)...
May 26, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28549652/the-fault-in-their-stars-accumulating-astrocytic-inclusions-associated-with-clusters-of-epileptic-spasms-in-children-with-global-developmental-delay
#3
Robyn Whitney, Sameer AlMehmadi, Bláthnaid McCoy, Ivanna Yau, Ayako Ochi, Hiroshi Otsubo, Shelly K Weiss, James Rutka, Lili-Naz Hazrati, O Carter Snead, Cristina Go
BACKGROUND: The presence of cerebral astrocytic inclusions recently has been described in a subset of children with early-onset refractory epilepsy, with or without structural brain malformations, and varying degrees of developmental delay. METHODS: We describe two new individuals with epilepsy with astrocytic inclusions and suggest that in some children this disorder may represent a unique hemispheric epilepsy. We review previously reported individuals with epilepsy with astrocytic inclusions...
April 18, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28549523/-anesthetic-management-of-a-patient-with-15q-tetrasomy-for-dental-treatment
#4
Yuri Hase, Nobuhito Kemekura, Yukie Nitta, Toshiaki Fujisawa
BACKGROUND AND OBJECTIVES: 15q tetrasomy is a chromosomal abnormality that is a part of the heterogeneous group of extra structurally abnormal chromosomes. This syndrome is characterized by epilepsy, central hypotonia, developmental delay and intellectual disability, and autistic behavior. This is the first report of the anesthetic management of a patient with this syndrome. CASE REPORT: We administered general anesthesia for dental treatment in a patient with 15q tetrasomy...
May 23, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28549335/microstructural-alterations-of-white-matter-in-juvenile-myoclonic-epilepsy
#5
Jinnan Gong, Xuebin Chang, Sisi Jiang, Benjamin Klugah-Brown, Song Tan, Dezhong Yao, Cheng Luo
Juvenile myoclonic epilepsy (JME) is a common type of idiopathic generalized epilepsy that is characterized by myoclonic jerks of the upper limbs and generalized tonic-clonic seizures. Frontal cognitive dysfunctions and abnormal coupling of the thalamocortical system have been found in neuropsychological and neuroimaging studies. This study intended to explore white matter (WM) measurement changes in JME using MRI. Twenty-six patients with JME and 25 healthy controls (HC) were recruited for the acquisition of diffusion MRI and structural MRI data...
April 4, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28549276/different-seizure-onset-patterns-in-mesiotemporal-lobe-epilepsy-have-a-distinct-interictal-signature
#6
Birgit Frauscher, Nicolás von Ellenrieder, François Dubeau, Jean Gotman
OBJECTIVE: Experimental research demonstrated that distinct underlying mechanisms go along with different seizure-onset patterns on EEG. These different mechanisms may reflect different tissue abnormalities which, we hypothesize, could also be reflected in morphological differences in the interictal epileptic and background EEG activity. METHODS: We searched our database of intracranial EEG recordings for mesiotemporal lobe epilepsy patients with either predominant low-voltage fast activity (LVF) or periodic spiking (PS)...
May 9, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28549245/analysis-of-heart-rate-variability-and-risk-factors-for-sudep-in-patients-with-drug-resistant-epilepsy
#7
Leyla Baysal-Kirac, Nail Güven Serbest, Erdi Şahin, Hava Özlem Dede, Candan Gürses, Ayşen Gökyiğit, Nerses Bebek, Ahmet Kaya Bilge, Betül Baykan
BACKGROUND: Cardiac problems have been suggested as causes of sudden unexpected death in epilepsy (SUDEP). Our aim was to investigate possible associations of cardiac autonomic functions based on heart rate variability (HRV) parameters with risk factors of SUDEP in patients with drug-resistant epilepsy. METHODS: Forty-seven patients with drug-resistant seizures and 45 healthy control subjects were enrolled in the study. Interictal time domain parameters of HRV were evaluated with 24-hour Holter recordings...
May 23, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28548558/the-role-of-genetic-testing-in-epilepsy-diagnosis-and-management
#8
Yvonne G Weber, Saskia Biskup, Katherine L Helbig, Sarah von Spiczak, Holger Lerche
Epilepsy is a common neurological disorder characterized by recurrent unprovoked seizures. More than 500 epilepsy-associated genes have been described in the literature. Most of these genes play an important role in neuronal excitability, cortical development or synaptic transmission. A growing number of genetic variations have implications on diagnosis and prognostic or therapeutic advice in terms of a personalized medicine. Area covered: The review presents the different forms of genetic epilepsies with respect to their underlying genetic and functional pathophysiology and aims to give advice for recommended genetic testing...
May 26, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28545673/burst-suppression-pattern-on-electroencephalogram-secondary-to-valproic-acid-induced-hyperammonemic-encephalopathy
#9
Koshi A Cherian, Alan D Legatt
BACKGROUND: Valproic acid may induce hyperammonemic encephalopathy. Various electroencephalogram (EEG) abnormalities have been documented in association with this condition, but not burst suppression, an abnormal EEG pattern that is associated with severe encephalopathy. METHODS: Serial EEGs, clinical observations, and laboratory findings were analyzed. PATIENT DESCRIPTION: This 13-year-old girl with autism and intractable epilepsy experienced increased seizures; her valproic acid dose was increased and other antiepileptic drugs were administered...
January 4, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28544889/juvenile-myoclonic-epilepsy-as-a-spectrum-disorder-a-focused-review
#10
REVIEW
Betül Baykan, Peter Wolf
In consequence of newer research juvenile myoclonic epilepsy (JME) is no longer seen as a homogeneous disease. The causes of the existing variance are only partially known yet. We discuss to what extent the phenotypical spectrum of this polygenetically determined disorder expresses genetically defined endophenotypes, or is due to mere quantitative differences in the expression of the core phenotype. Of the three common seizure types of JME, myoclonic, generalized tonic-clonic and absences, absences also occur independently and are strong candidates for an endophenotype...
May 18, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28544888/pre-stroke-seizures-a-nationwide-register-based-investigation
#11
Johan Zelano, David Larsson, Eva Kumlien, Signild Åsberg
PURPOSE: The relationship between cerebrovascular disease and seizures is clearly illustrated by poststroke epilepsy. Seizures can also be the first manifestation of cerebrovascular disease and case-control studies have demonstrated that seizures carry an increased risk of subsequent stroke. Thus, seizures could serve as a marker for vascular risk that merits intervention, but more data is needed before proper trials can be conducted. The occurrence of pre-stroke seizures has not been assessed on a national scale...
May 17, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28543780/intranasal-midazolam-versus-rectal-diazepam-for-the-management-of-canine-status-epilepticus-a-multicenter-randomized-parallel-group-clinical-trial
#12
M Charalambous, S F M Bhatti, L Van Ham, S Platt, N D Jeffery, A Tipold, J Siedenburg, H A Volk, D Hasegawa, A Gallucci, G Gandini, M Musteata, E Ives, A E Vanhaesebrouck
BACKGROUND: Intranasal administration of benzodiazepines has shown superiority over rectal administration for terminating emergency epileptic seizures in human trials. No such clinical trials have been performed in dogs. OBJECTIVE: To evaluate the clinical efficacy of intranasal midazolam (IN-MDZ), via a mucosal atomization device, as a first-line management option for canine status epilepticus and compare it to rectal administration of diazepam (R-DZP) for controlling status epilepticus before intravenous access is available...
May 24, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28543284/in-utero-oxcarbazepine-exposure-and-neonatal-abstinence-syndrome-case-report-and-brief-review-of-the-literature
#13
Chao-Yang Chen, Xing Li, Ling-Yue Ma, Peng-Hui Wu, Ying Zhou, Qi Feng, Yi-Min Cui
Oxcarbazepine is a second-generation antiepileptic drug that is used to treat partial seizures. Although it has been increasingly used in pregnant women, its fetal safety has not been fully validated. We describe a 12-hour-old neonate who developed neonatal abstinence syndrome (NAS) following intrauterine exposure to oxcarbazepine. The neonate was born by cesarean section to a mother who took oxcarbazepine 300 mg/day for treatment of seizures throughout her pregnancy. Approximately 12 hours after birth, the infant developed paroxysmal jitter, which mainly presented as increased excitability, irritability, limb shaking, and increased muscle tone...
May 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28543030/defining-epileptogenic-networks-contribution-of-seeg-and-signal-analysis
#14
REVIEW
Fabrice Bartolomei, Stanislas Lagarde, Fabrice Wendling, Aileen McGonigal, Viktor Jirsa, Maxime Guye, Christian Bénar
Epileptogenic networks are defined by the brain regions involved in the production and propagation of epileptic activities. In this review we describe the historical, methodologic, and conceptual bases of this model in the analysis of electrophysiologic intracerebral recordings. In the context of epilepsy surgery, the determination of cerebral regions producing seizures (i.e., the "epileptogenic zone") is a crucial objective. In contrast with a traditional focal vision of focal drug-resistant epilepsies, the concept of epileptogenic networks has been progressively introduced as a model better able to describe the complexity of seizure dynamics and realistically describe the distribution of epileptogenic anomalies in the brain...
May 20, 2017: Epilepsia
https://www.readbyqxmd.com/read/28542864/circadian-clustering-of-spontaneous-epileptic-seizures-emerges-after-pilocarpine-induced-status-epilepticus
#15
Julika Pitsch, Albert J Becker, Susanne Schoch, Johannes Alexander Müller, Marco de Curtis, Vadym Gnatkovsky
OBJECTIVE: Seizures in mesial temporal lobe epilepsy (MTLE) associated with hippocampal sclerosis are thought to develop with various latency intervals after an initial transient brain insult. To study seizure dynamics after an initial transient precipitating insult in a systematic fashion, we utilized continuous video-electroencephalography (EEG) monitoring after the induction of status epilepticus (SE) in a mouse MTLE model. METHODS: Continuous 24/7 video/telemetric hippocampal EEG recordings in the systemic pilocarpine MTLE mouse model...
May 24, 2017: Epilepsia
https://www.readbyqxmd.com/read/28542735/sleep-convulsive-seizures-predict-lack-of-remission-in-genetic-generalized-epilepsies-a-retrospective-study-from-a-single-epilepsy-center-in-egypt
#16
A Ashmawi, H Hosny, M Gadallah, E Beghi
BACKGROUND: Genetic generalized epilepsies (GGEs) represent 15-20% of all epilepsies. There are no studies on the outcome of GGEs in the Middle East. AIMS: To investigate the long-term prognosis of GGEs and identify prognostic predictors in Egypt. MATERIAL & METHODS: This is a retrospective cohort study of consecutive children and adults with GGEs seen in an epilepsy clinic in Cairo, Egypt, followed for 10+ years. Follow-up visits were scheduled every 3-6 months or earlier...
May 21, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28541564/young-people-s-experiences-of-epilepsy-a-scoping-review-of-qualitative-studies
#17
Judith Chew, John Carpenter, Anne M Haase
Research on childhood epilepsy has predominantly used quantitative methodologies to examine the impact of epilepsy on young people and their families. These studies generally give a negative picture of the condition, which is at odds with a strengths-based social work perspective, and provide little understanding of young people's experiences of living with epilepsy. A systematic review of qualitative studies that explored young people's perspectives was conducted. Inclusion criteria were as follows: young people ages 13 to 18 years diagnosed with epilepsy, qualitative data collection methods, studies published in English-language peer-reviewed journals, and gray literature...
May 25, 2017: Health & Social Work
https://www.readbyqxmd.com/read/28540848/myoclonic-jerks-are-commonly-associated-with-absence-seizures-in-early-onset-absence-epilepsy
#18
Hala Nasser, Elisa Lopez-Hernandez, Adina Ilea, Neli Le Morvan, Vanina Bellavoine, Catherine Delanoë, Stéphane Auvin
Typical absence seizures are observed in various epilepsy syndromes, however, few series have focused on early-onset absence epilepsy (EOAE). We aimed to evaluate the occurrence of this seizure type in children under 4 years of age in order to evaluate their electroclinical characteristics and outcome. We retrospectively studied (2006-2014) the electroclinical features of children with normal development and typical absence seizures starting before the age of 4 (with available pre-treatment video-EEG). Nine patients were included...
May 24, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28538134/trial-of-cannabidiol-for-drug-resistant-seizures-in-the-dravet-syndrome
#19
Orrin Devinsky, J Helen Cross, Linda Laux, Eric Marsh, Ian Miller, Rima Nabbout, Ingrid E Scheffer, Elizabeth A Thiele, Stephen Wright
BACKGROUND: The Dravet syndrome is a complex childhood epilepsy disorder that is associated with drug-resistant seizures and a high mortality rate. We studied cannabidiol for the treatment of drug-resistant seizures in the Dravet syndrome. METHODS: In this double-blind, placebo-controlled trial, we randomly assigned 120 children and young adults with the Dravet syndrome and drug-resistant seizures to receive either cannabidiol oral solution at a dose of 20 mg per kilogram of body weight per day or placebo, in addition to standard antiepileptic treatment...
May 25, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28537461/an-extensive-review-on-development-of-eeg-based-computer-aided-diagnosis-systems-for-epilepsy-detection
#20
Jagriti Saini, Maitreyee Dutta
Epilepsy is considered as fourth most prominent neurological disorder in the world that can affect people of all age groups. Currently, around 65 million people throughout the world are suffering from epilepsy. It is evident that electroencephalograph (EEG) signals are most commonly used for detection of epileptic seizures but today many modern techniques have been developed to analyze underlying features of these EEG signals. As EEG contains a large amount of complicated information, so many researchers are trying to develop automatic systems for complete feature extraction...
May 24, 2017: Network: Computation in Neural Systems
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