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https://www.readbyqxmd.com/read/29783274/early-seizure-freedom-is-a-prognostic-factor-for-survival-in-patients-with-west-syndrome
#1
E J C Krijgh, C E Catsman-Berrevoets, R F Neuteboom
INTRODUCTION:  West syndrome (WS) is a devastating epileptic encephalopathy with substantial mortality. After a study by Riikonen in 1996, further data on mortality and prognostic factors for survival has been scarce. We aimed to study mortality in patients with WS and identify prognostic factors for survival. METHODS:  We performed a single-center retrospective study in a tertiary referral clinic (Erasmus University Hospital/Sophia Children's Hospital). This study obtained data from deceased patients regarding the age of death and cause of death...
May 21, 2018: Neuropediatrics
https://www.readbyqxmd.com/read/29783181/autistic-traits-in-epilepsy-models-why-when-and-how
#2
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/29782905/pathology-of-nnos-expressing-gabaergic-neurons-in-mouse-model-of-alzheimer-s-disease
#3
Seungho Choi, Je-Seong Won, Steven L Carroll, Balasubramaniam Annamalai, Inderjit Singh, Avtar K Singh
Alzheimer's disease (AD) is the most common form of dementia that is often accompanied by mood and emotional disturbances and seizures. There is growing body of evidence that neurons expressing γ-aminobutyric acid (GABA) play an important role in regulation of cognition, mood, and emotion as well as seizure susceptibility, but participation of GABAergic neuronal pathology in Alzheimer's disease (AD) is not understood well at present. Here, we report that transgenic mice expressing human amyloid precursor protein Swedish-Deutch-Iowa mutant (APPSweDI ) exhibit early loss of neurons expressing GAD67, a GABA synthesizing enzyme, in advance to the loss of pyramidal neurons in hippocampal CA1 region...
May 18, 2018: Neuroscience
https://www.readbyqxmd.com/read/29782849/seizure-modulation-by-sleep-and-sleep-state
#4
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/29782704/profiling-of-new-psychoactive-substances-nps-by-using-stable-isotope-ratio-mass-spectrometry-irms-study-on-the-synthetic-cannabinoid-5f-pb-22
#5
S Münster-Müller, N Scheid, T Holdermann, S Schneiders, M Pütz
In this paper results of a pilot study on the profiling of the synthetic cannabinoid receptor agonist 5F-PB-22 (5F-QUPIC, pentylfluoro-1H-indole-3-carboxylic acid-8-quinolinyl ester) via isotope ratio mass spectrometry are presented. It is focused on δ13 C, δ15 N and δ2 H isotope ratios, which are determined using elemental analyser (EA) and high temperature elemental analyser (TC/EA) coupled to an isotope ratio mass spectrometer (IRMS). By means of a sample of pure material of 5F-PB-22 it is shown that the extraction of 5F-PB-22 from herbal material, a rapid clean-up procedure, or preparative column chromatography had no influences on the isotope ratios...
May 21, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29782369/neuroimaging-in-epilepsy
#6
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/29782356/acute-neurologic-complications-during-extracorporeal-membrane-oxygenation-a-systematic-review
#7
Raoul Sutter, Kai Tisljar, Stephan Marsch
OBJECTIVES: We determine the frequency, risk factors, and mortality of neurologic complications in adults on extracorporeal membrane oxygenation and propose an algorithm for preventive strategies. DATA SOURCES: PubMed, Embase, and Cochrane databases. STUDY SELECTION: Screening was performed using predefined search terms to identify cohort studies reporting neurologic complications in adults during extracorporeal membrane oxygenation from 1990 to 2017...
May 18, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29782307/cutaneous-manifestations-of-tuberous-sclerosis
#8
Mirjana Bakić, Marina Ratković, Branka Gledović, Balsa Vujović, Danilo Radunović, Vera Babić, Vladimir Prelević
Dear Editor, Tuberous sclerosis (TS) is an autosomal dominant multisystem disease, which occurs due to genetically determined hyperplasia of ectodermal and mesodermal cells. Clinical manifestations present on the skin and in the nervous system, kidneys, heart, and other organs. Recent studies estimate the incidence of TS at 1/6000 to 1/10,000 live births, and a prevalence in the general population of approximately 1 in 20,000 (1). There are two different genetic loci responsible for TS: 9q34 (TSC1-hamartin) and 16p13...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782051/the-novel-sodium-channel-modulator-gs-458967-gs967-is-an-effective-treatment-in-a-mouse-model-of-scn8a-encephalopathy
#9
Erin M Baker, Christopher H Thompson, Nicole A Hawkins, Jacy L Wagnon, Eric R Wengert, Manoj K Patel, Alfred L George, Miriam H Meisler, Jennifer A Kearney
OBJECTIVE: De novo mutations of SCN8A, encoding the voltage-gated sodium channel NaV 1.6, have been associated with a severe infant onset epileptic encephalopathy. Individuals with SCN8A encephalopathy have a mean age of seizure onset of 4-5 months, with multiple seizure types that are often refractory to treatment with available drugs. Anecdotal reports suggest that high-dose phenytoin is effective for some patients, but there are associated adverse effects and potential for toxicity...
May 21, 2018: Epilepsia
https://www.readbyqxmd.com/read/29780787/non-convulsive-seizure-related-to-cremophor-el%C3%A2-free-polymeric-micelle-formulation-of-paclitaxel-a-case-report
#10
Yoon Sun Shin, Kyung Jin Min, Seung Young Choi, Nak Woo Lee
Paclitaxel is a chemotherapeutic agent that is effective against ovarian, breast, lung, and other cancers. Although peripheral neurotoxicity is among the most common side effects of paclitaxel treatment, central neurotoxicity is rarely reported. When centrally mediated side effects are observed, they are attributed to Cremophor EL™ (CrEL), a surfactant-containing vehicle used for paclitaxel administration. In the present report, we discuss the case of a 72-year-old woman with ovarian carcinoma who experienced a non-convulsive seizure following administration of a CrEL-free, polymeric micelle formulation of paclitaxel...
May 2018: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/29780607/renal-cell-carcinoma-in-a-cat-with-polycystic-kidney-disease-undergoing-renal-transplantation
#11
Daniel J Adams, Jolie A Demchur, Lillian R Aronson
Case summary: A 10-year-old spayed female American Shorthair cat underwent renal transplantation due to worsening chronic kidney disease secondary to polycystic kidney disease. During transplantation, the right kidney grossly appeared to be more diseased than the left and was firmly adhered to the surrounding tissues. An intraoperative fine-needle aspirate of the right native kidney revealed inflammatory cells but no evidence of neoplasia. To create space for the allograft, a right nephrectomy was performed...
January 2018: JFMS Open Reports
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
#12
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/29780232/cerebral-arteriovenous-malformations-in-the-era-of-embolization-for-angiographic-cure-a-single-center-experience-in-egypt
#13
Mohamed K Elewa
Background: Embolization for cerebral arteriovenous malformations (AVMs) has evolved in the last decade with evolution in both equipment and material. Embolization targets have expanded to include angiographic cure. Methods: To discuss the technical and management outcomes of our first cerebral AVM case series treated with embolization. The clinical, angiographic, treatment, and outcome variables of consecutive cerebral arteriovenous malformation cases, treated with curative embolization, between January 2011 and June 2017 in one regional center, were retrospectively analyzed...
2018: Egypt J Neurol Psychiatr Neurosurg
https://www.readbyqxmd.com/read/29780229/long-term-follow-up-of-motor-function-deterioration-following-microsurgical-resection-of-middle-third-parasagittal-and-falx-meningioma
#14
Ashraf Ahmad Elzarief, Mohamed Fouad Ibrahim
Background: Incidence of parasagittal meningioma varies in literature; it ranges from 16.8% to 25.6% of intracranial meningioma. Parafalcine meningioma accounts for about 8.5% of intracranial meningioma. Based on their relation to the superior Sagittal sinus and falx, these tumors had been classified into 3 groups; anterior third located between crista galli and coronal suture, middle third located between coronal and lambdoid sutures, and posterior third located posterior to lambdoid suture...
2018: Egypt J Neurol Psychiatr Neurosurg
https://www.readbyqxmd.com/read/29779390/-prenatally-diagnosed-case-of-pallister%C3%A2-killian-syndrome
#15
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/29779174/correction-to-impaired-bioenergetics-in-mutant-mitochondrial-dna-determines-cell-fate-during-seizure-like-activity
#16
Stjepana Kovac, Elisavet Preza, Henry Houlden, Matthew C Walker, Andrey Y Abramov
The original version of this article unfortunately contained mistake. The author's family name "Kov ac" was written with space thus this should be corrected to "Kovac".
May 19, 2018: Molecular Neurobiology
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/29778846/efficacy-and-tolerability-of-treatment-with-lacosamide-postmarketing-experience-from-the-middle-east-region
#19
Maher Arabi, Taoufik Alsaadi, Wassim Nasreddine, Jasem Al-Hashel, Maya Dirani, Ahmad Beydoun
PURPOSE: Lacosamide (LCM) was recently introduced in the Middle East. The aim of this study was to evaluate the safety, tolerability, and efficacy of LCM in patients with focal onset seizures and determine if our results are comparable with those derived from Western countries. METHODS: This is a retrospective analysis from two medical centers on consecutive patients diagnosed as having focal onset seizures and treated with add-on LCM. The primary efficacy variables were the 50% responder and seizure-free rates, and the secondary outcome variables included the percentages of patients who achieved seizure remission during the last 6-month follow-up period and the percentages of discontinuation due to lack of efficacy or tolerability...
May 17, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29778312/biomarker-signatures-of-sickle-cell-disease-severity
#20
Mengtian Du, Sarah Van Ness, Victor Gordeuk, Sayed M Nouraie, Sergei Nekhai, Mark Gladwin, Martin H Steinberg, Paola Sebastiani
Identifying sickle cell disease patients at high risk of complications could lead to personalized treatment and better prognosis but despite many advances prediction of the clinical course of these patients remains elusive. We propose a system-type approach to discover profiles of multiple, common biomarkers that correlate with morbidity and mortality in sickle cell disease. We used cluster analysis to discover 17 signatures of 17 common circulating biomarkers in 2320 participants of the Cooperative Study of Sickle Cell Disease, and evaluated the association of these signatures with risk for stroke, pain, leg ulceration, acute chest syndrome, avascular necrosis, seizure, death, and trend of fetal hemoglobin and hemolysis using longitudinally collected data...
May 16, 2018: Blood Cells, Molecules & Diseases
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