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epilepsy; seizures

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https://www.readbyqxmd.com/read/29786852/evolution-of-lobar-abnormalities-of-cerebral-glucose-metabolism-in-41-children-with-drug-resistant-epilepsy
#1
Tuhina Govil-Dalela, Ajay Kumar, Michael E Behen, Harry T Chugani, Csaba Juhász
OBJECTIVE: We analyzed long-term changes of lobar glucose metabolic abnormalities in relation to clinical seizure variables and development in a large group of children with medically refractory epilepsy. METHODS: Forty-one children (25 males) with drug-resistant epilepsy had a baseline positron emission tomography (PET) scan at a median age of 4.7 years; the scans were repeated after a median of 4.3 years. Children with progressive neurological disorders or space-occupying lesion-related epilepsy and those who had undergone epilepsy surgery were excluded...
May 22, 2018: Epilepsia
https://www.readbyqxmd.com/read/29786811/-50-percent-of-patients-who-had-epilepsy-surgery-are-seizure-free
#2
Anna Edelvik, Ingrid B Olsson, Tove Hallbook, Kristina Malmgren
About one third of patients with epilepsy do not become seizure-free despite medication. For some, resective epilepsy surgery is the treatment of choice. There are three randomized controlled trials, with positive results at a follow-up of 1-2 years: two on temporal lobe resections on adults and young people and one on all types of epilepsy surgery on children. Since 1990 all epilepsy surgery procedures in Sweden are reported to the Swedish Epilepsy Surgery Register, now with data on almost 1500 patients. Two years after surgery about 50% of adults and children are seizure-free, and another 10% have been so during the last year...
May 22, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786810/-epilepsy-and-comorbid-neurodevelopmental-disorders
#3
Viviann Nordin, Ingrid B Olsson, Torbjörn Tomson
In children and adults with epilepsy, it is important to be aware of and diagnose common comorbidities that may have a large impact on quality of life. Comorbid neurodevelopmental disorders include intellectual disability, autism, and attention deficit hyperactivity disorder (ADHD). Depression and anxiety are common findings, and also the risk of psychosis is increased. The medication used to treat these comorbidities is found to be effective with little risks of seizure exacerbation, i.e. medication with methylphenidate, selective serotonin reuptake inhibitors (SSRIs) and second generation neuroleptics...
May 22, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786809/-diagnosing-epileptic-seizures-and-epilepsy
#4
Kristina Malmgren, Tommy Stödberg, Åsa Amandusson, Maria Strandberg
There are many episodic conditions which may be confused with epileptic seizures. The diagnosis of epileptic seizures is still dependent on a good history and witness report, as well as good knowledge of seizure semiology, and of the symptoms of a variety of differential diagnostic conditions. The principal differential diagnoses in adults and children are outlined in this review. The diagnostic problems do not exist only initially, so it is important to reconsider the diagnosis when deemed relevant. The possibility of home video recordings of recurring attacks may be helpful...
May 21, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786807/-pharmacotherapy-of-epilepsy
#5
Torbjörn Tomson, Olof Rask
Pharmacotherapy of epilepsy is usually initiated after two or more unprovoked seizures, a decision that should be made after assessment of the individual risk of further seizures. Antiepileptic drugs (AEDs) are selected based on documented efficacy for the type of seizures, the epilepsy and possible epilepsy syndrome of the patient, taking potential adverse effects and comorbidity into account. For many AEDs, the mechanisms of action are incompletely understood. More than half of patients with newly diagnosed epilepsy achieve sustained seizure freedom with their first or second drug trials...
May 21, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786805/-classification-of-seizures-and-epilepsies
#6
Johan Zelano, Tommy Stödberg, Torbjörn Tomson
In 2017 the International League Against Epilepsy (ILAE) published position papers outlining new classifications of seizures and epilepsies. The aims of the new documents are to encompass advances in the field, provide a conceptual framework for future developments, and facilitate communication. In practice, the terminology is somewhat revised. For seizures the terms "partial" and "simple/complex" are replaced by "focal" and "aware/impaired awareness". The classification of a patient's epilepsy is based on seizures types (e...
May 21, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786801/-epilepsy-incidens-prevalens-and-causes
#7
Lars Forsgren, Heléne Sundelin, Olafur Sveinsson
Epilepsy affects people in all ages with the highest incidence in small children, particularly before age one year, and in elderly aged 65 years and older. In Sweden, between 4500-5000 persons develop epilepsy annually. Based on studies from North America and Europe, including the Nordic countries, the number of people with active epilepsy in Sweden is between 60000-70000. The lifetime risk for epilepsy up to age 85 years is 4-5 %, i.e. approximately every 25th person. The new epilepsy classification divides etiology into the following groups: structural, genetic, infectious, metabolic, immune and unknown...
May 21, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29786595/-genetically-determined-abnormal-electrical-activity-of-the-brain-and-the-heart
#8
Iwona Mańka-Gaca, Beata Łabuz-Roszak, Agnieszka Machowska-Majchrzak
Mutations leading to disorders within ion (mainly potassium and sodium) channels, have different degrees of expression in the brain and in the heart, which can cause simultaneous occurrence of disorders in both organs. This is manifested by the occurrence of epileptic seizures and cardiac electrical disturbances, further exacerbated by stimulation of autonomic structures within the central nervous system. In all patients with unclear paroxysmal disorders, and in those with unexplained sudden cardiac death, consideration should be given to the possibility of occurrence of genetically determined disorders in the ion channels...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29785705/association-of-gabaa-receptor-gene-with-epilepsy-syndromes
#9
Musadiq Ahmad Bhat, Sameer Ahmad Guru, Rashid Mir, Ajaz Ahmad Waza, Mariyam Zuberi, Mamta Pervin Sumi, Shaam Bodeliwala, Vinod Puri, Alpana Saxena
GABA has always been an inviting target in the etiology and treatment of epilepsy. The GABRA1, GABRG2, and GABRD genes provide instructions for making α1, ϒ2, and δ subunits of GABAA receptor protein respectively. GABAA is considered as one of the most important proteins and has found to play an important role in many neurological disorders. We explored the association of GABAA receptor gene mutation/SNPs in JME and LGS patients in Indian population. A total of 100 epilepsy syndrome patients (50 JME and 50 LGS) and 100 healthy control subjects were recruited and analyzed by AS-PCR and RFLP-PCR techniques...
May 21, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29785508/lacosamide-a-review-in-focal-onset-seizures-in-patients-with-epilepsy
#10
Sheridan M Hoy
Lacosamide (Vimpat® ) is a functionalized amino acid (available orally and intravenously) approved in the EU and the USA for use as monotherapy and adjunctive therapy for the treatment of focal-onset seizures in adults, adolescents and children aged ≥ 4 years with epilepsy. In adults and adolescents (aged ≥ 16 years), oral lacosamide as adjunctive therapy to other antiepileptic drugs was generally effective in reducing seizure frequency during short-term (up to 18 weeks) treatment, with efficacy sustained over the longer-term (up to 8 years)...
May 21, 2018: CNS Drugs
https://www.readbyqxmd.com/read/29784616/seizures-antiepileptic-drugs-and-ckd
#11
REVIEW
Victoria Títoff, Heather N Moury, Igor B Títoff, Kevin M Kelly
There are 2 major categories of patients with seizures and chronic kidney disease (CKD): patients who develop acute symptomatic seizures in the setting of CKD and patients with epilepsy who at some point develop CKD. The incidence of uremic seizures with kidney failure is ∼10%. These seizures are often nonconvulsive and may mimic uremic encephalopathy. Recognition and management of such situations may be challenging for treating physicians who are non-neurologists. Furthermore, practitioners caring for patients with seizures with or without an established diagnosis of epilepsy in the setting of CKD frequently encounter challenges in the selection, loading, titration, and maintenance of antiepileptic drugs (AEDs) due to potentially altered pharmacokinetics of the AEDs...
May 18, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29783181/autistic-traits-in-epilepsy-models-why-when-and-how
#12
REVIEW
Jana Velíšková, Jill L Silverman, Melissa Benson, Pierre-Pascal Lenck-Santini
Autism spectrum disorder (ASD) is a common comorbidity of epilepsy and seizures and/or epileptiform activity are observed in a significant proportion of ASD patients. Current research also implies that autistic traits can be observed to a various degree in mice and rats with seizures. This suggests that there are shared mechanisms in both ASD and epilepsy syndromes. Here, we first review the standard, validated methods used to assess autistic traits in animal models as well as their limitations with regards to epilepsy models...
May 18, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29782849/seizure-modulation-by-sleep-and-sleep-state
#13
Carl W Bazil
Sleep is a dynamic process, during which the electrical rhythms of the brain orchestrate a complicated progression of changing frequencies, patterns and connectivity. Each stage of sleep is different electrophysiologically from wakefulness, and from other sleep stages. It should be no surprise, then, that the various sleep states influence the origin, suppression, and spread of seizures, and that different seizure types are affected in individual (and sometimes contradictory) ways. While much of the electrical symphony that occurs in both normal and epileptic brains is incompletely understood, at the basic level some interesting and often clinically important influences of the various sleep states have been identified...
May 18, 2018: Brain Research
https://www.readbyqxmd.com/read/29782369/neuroimaging-in-epilepsy
#14
Meneka Kaur Sidhu, John S Duncan, Josemir W Sander
PURPOSE OF REVIEW: Epilepsy neuroimaging is important for detecting the seizure onset zone, predicting and preventing deficits from surgery and illuminating mechanisms of epileptogenesis. An aspiration is to integrate imaging and genetic biomarkers to enable personalized epilepsy treatments. RECENT FINDINGS: The ability to detect lesions, particularly focal cortical dysplasia and hippocampal sclerosis, is increased using ultra high-field imaging and postprocessing techniques such as automated volumetry, T2 relaxometry, voxel-based morphometry and surface-based techniques...
May 17, 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29780310/mobile-software-as-a-medical-device-samd-for-the-treatment-of-epilepsy-development-of-digital-therapeutics-comprising-behavioral-and-music-based-interventions-for-neurological-disorders
#15
Pegah Afra, Carol S Bruggers, Matthew Sweney, Lilly Fagatele, Fareeha Alavi, Michael Greenwald, Merodean Huntsman, Khanhly Nguyen, Jeremiah K Jones, David Shantz, Grzegorz Bulaj
Digital health technologies for people with epilepsy (PWE) include internet-based resources and mobile apps for seizure management. Since non-pharmacological interventions, such as listening to specific Mozart's compositions, cognitive therapy, psychosocial and educational interventions were shown to reduce epileptic seizures, these modalities can be integrated into mobile software and delivered by mobile medical apps as digital therapeutics. Herein, we describe: (1) a survey study among PWE about preferences to use mobile software for seizure control, (2) a rationale for developing digital therapies for epilepsy, (3) creation of proof-of-concept mobile software intended for use as an adjunct digital therapeutic to reduce seizures, and (4) broader applications of digital therapeutics for the treatment of epilepsy and other chronic disorders...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29779390/-prenatally-diagnosed-case-of-pallister%C3%A2-killian-syndrome
#16
Zsolt Tidrenczel, Erika P Tardy, Edina Sarkadi, Judit Simon, Artúr Beke, János Demeter
Pallister-Killian syndrome (PKS) is a rare, sporadic genetic disorder that is caused by the mosaic presence of a supernumerary marker chromosome, isochromosome 12p. The syndrome is a polydysmorphic condition characterized by mental retardation, craniofacial dysmorphism, hypotonia, seizures, epilepsy and certain organic malformations (diaphragmatic hernia, congenital heart disease). Prenatal diagnosis is challenging due to the mosaic tissue-specific distribution of the chromosomal disorder and highly variable phenotype...
May 2018: Orvosi Hetilap
https://www.readbyqxmd.com/read/29778948/bioisosteres-of-ethyl-8-ethynyl-6-pyridin-2-yl-4h-benzo-f-imidazo-1-5-a-1-4-diazepine-3-carboxylate-hz-166-as-novel-alpha-2-3-selective-potentiators-of-gaba-a-receptors-improved-bioavailability-enhances-anticonvulsant-efficacy
#17
J M Witkin, J L Smith, X Ping, S D Gleason, M M Poe, G Li, X Jin, J Hobbs, J M Schkeryantz, J S McDermott, A I Alatorre, J N Siemian, J W Cramer, D C Airey, K R Methuku, V V N P B Tiruveedhula, T M Jones, J Crawford, M J Krambis, J L Fisher, J M Cook, R Cerne
HZ-166 has previously been characterized as an α2,3-selective GABAA receptor modulator with anticonvulsant, anxiolytic, and anti-nociceptive properties but reduced motor effects. We discovered a series of ester bioisosteres with reduced metabolic liabilities, leading to improved efficacy as anxiolytic-like compounds in rats. In the present study, we evaluated the anticonvulsant effects KRM-II-81 across several rodent models. In some models we also evaluated key structural analogs. KRM-II-81 suppressed hyper-excitation in a network of cultured cortical neurons without affecting the basal neuronal activity...
May 3, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29778946/mechanisms-underlying-anticonvulsant-and-proconvulsant-actions-of-norepinephrine
#18
REVIEW
Maedeh Ghasemi, Nasrin Mehranfard
Norepinephrine (NE) has been shown to exert a potent suppressant effect on seizure development. On the other hand, several lines of evidence have shown that increased NE level is proconvulsant under certain conditions. These data suggest that variations in NE levels could affect modulatory action of noradrenergic system on seizures. Less, however, is known about the mechanisms by which adrenergic pathways protect against seizures or promote seizures. Knowing the mechanisms involved in anti- or proconvulsive effects of NE may help to the development of new therapeutic candidates for patients with refractory epilepsy...
May 11, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29778029/late-onset-childhood-neuronal-ceroid-lipofuscinosis-early-clinical-and-electroencephalographic-markers
#19
Lucas Beltrán, Gabriela Reyes Valenzuela, Mariana Loos, Rodrigo Vargas, Rafael Lizama, Pablo Spinsanti, Roberto Caraballo
PURPOSE: The objective of the study was to describe the initial clinical and electroencephalographic findings in children with late-infantile neuronal ceroid lipofuscinosis (LINCL). METHOD: The clinical charts of 35 patients seen between 1990 and 2016 were reviewed. The patients were divided into two groups: Group 1 (G1) consisting of 12 patients with NCL type 2 (CLN2) disease confirmed by enzymatic activity in dried blood spots on filter paper and/or genetic studies, and Group 2 (G2) consisting of 23 patients with a diagnosis of LINCL based on pathology studies by muscle biopsy...
May 15, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29778017/the-preconception-care-experiences-of-women-with-epilepsy-on-sodium-valproate
#20
Lorna Lawther, Helen Dolk, Marlene Sinclair, Jim Morrow
PURPOSE: To understand the preconception experiences of women with epilepsy who have been taking the teratogenic drug valproate. METHODS: Seven women were recruited, three from a preconception clinic and four from an antenatal clinic in a region of the UK. All had taken valproate preconceptionally. Three preconception clinic encounters were observed and audio-recorded. Interviews with all women were analysed using Interpretative Phenomenological Analysis (IPA). RESULTS: Women experienced a "trajectory of balance"...
May 16, 2018: Seizure: the Journal of the British Epilepsy Association
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