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https://www.readbyqxmd.com/read/28102593/a-case-for-cannabidiol-in-wolf-hirschhorn-syndrome-seizure-management
#1
Karen S Ho, E Robert Wassman
Complex, and sometimes intractable, seizures affect the quality of life and cognitive development of over 90% of individuals with Wolf-Hirschhorn syndrome (WHS). Fine resolution genotype-phenotype mapping of the WHS locus recently identified a candidate gene whose probable function has led to insights into a mechanism connecting WHS seizures with those of Dravet syndrome, a distinct condition caused by mutations in SCN1A and SCN1B. In addition to this possible molecular mechanistic connection, these disorders' seizures share a strikingly similar constellation of features, including clinical presentation, seizure types, early age of onset, EEG pattern, and responses to specific anti-epileptic drugs...
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28092846/status-epilepticus-in-patients-with-cirrhosis-how-to-avoid-misdiagnosis-in-patients-with-hepatic-encephalopathy
#2
Marika Rudler, Clémence Marois, Nicolas Weiss, Dominique Thabut, Vincent Navarro
PURPOSE: Status epilepticus (SE) in patients with cirrhosis is a rare but serious situation. Diagnosis may be difficult in emergency presentation, especially when patients present with hepatic encephalopathy (HE). Misdiagnosis must be avoided since some anti-epileptic drugs aggravate HE. In this retrospective study, we therefore assessed the frequency of SE in patients with cirrhosis, evaluated the accuracy of diagnosis and determined rates of mortality. METHOD: We reviewed data from all patients hospitalized from 2005 to 2013 in the Hepatology ICU for complications of cirrhosis with an initial diagnosis of SE...
December 27, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28088732/apelin-13-protects-rat-primary-cortical-glia-neuron-co-culture-against-pentylenetetrazole-induced-toxicity
#3
Taj Pari Kalantaripour, Saeed Esmaeili-Mahani, Vahid Sheibani, Hamid Najafipour, Majid Asadi-Shekaari M
In spite of recent advances in the treatment of epilepsy, up to 35% of people living with the condition do not respond to accessible anti-epileptic drugs (AEDs) and continue to experience regular, devastating and potentially life-threatening seizures. Neuronal death is a significant feature of epilepsy in humans and experimental models. It has been reported that apelin, an endogenous ligand for the angiotensin-1-like receptor (APJ), has anticonvulsive as well as protective effects in some neurodegenerative situations...
January 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28086980/inflammation-in-epileptogenesis-after-traumatic-brain-injury
#4
REVIEW
Kyria M Webster, Mujun Sun, Peter Crack, Terence J O'Brien, Sandy R Shultz, Bridgette D Semple
BACKGROUND: Epilepsy is a common and debilitating consequence of traumatic brain injury (TBI). Seizures contribute to progressive neurodegeneration and poor functional and psychosocial outcomes for TBI survivors, and epilepsy after TBI is often resistant to existing anti-epileptic drugs. The development of post-traumatic epilepsy (PTE) occurs in a complex neurobiological environment characterized by ongoing TBI-induced secondary injury processes. Neuroinflammation is an important secondary injury process, though how it contributes to epileptogenesis, and the development of chronic, spontaneous seizure activity, remains poorly understood...
January 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28076384/anti-epileptic-drug-combination-efficacy-in-an-in-vitro-seizure-model-phenytoin-and-valproate-lamotrigine-and-valproate
#5
Kim Det Taing, Terence J O'Brien, David A Williams, Chris R French
In this study, we investigated the relative efficacy of different classes of commonly used anti-epileptic drugs (AEDs) with different mechanisms of action, individually and in combination, to suppress epileptiform discharges in an in vitro model. Extracellular field potential were recorded in 450 μm thick transverse hippocampal slices prepared from juvenile Wistar rats, in which "epileptiform discharges" (ED's) were produced with a high-K+ (8.5 mM) bicarbonate-buffered saline solution. Single and dual recordings in stratum pyramidale of CA1 and CA3 regions were performed with 3-5 MΩ glass microelectrodes...
2017: PloS One
https://www.readbyqxmd.com/read/28070260/relationship-between-bone-density-and-biochemical-markers-of-bone-among-two-groups-taking-carbamazepine-and-sodium-valproate-for-epilepsy-in-comparison-with-healthy-individuals-in-yazd
#6
Abolghasem Rahimdel, Ali Dehghan, Mahboubeh Abolhassani Moghadam, Ali Mellat Ardekani
INTRODUCTION: Chronic antiepileptic therapy has been associated with metabolic bone diseases including osteomalacia and osteoporosis. The aim of this study was to determine frequency of changes in biochemical and bone mineral density (BMD) in adults receiving valproaic acid (VPA) & carbamazepine (CBZ). METHODS: In a cross sectional study evaluating adults (age 20-50 y) epileptic patients receiving valproic acid or carbamazepine for at least 2 years. This study was conducted from May 2014 to May 2015 in Shahid Sadoughi Hospital of Yazd University of Medical Science, Yazd, Iran...
November 2016: Electronic Physician
https://www.readbyqxmd.com/read/28069912/idiosyncratic-drug-induced-neutropenia-agranulocytosis
#7
Emmanuel Andrès, Rachel Mourot-Cottet, Frédéric Maloisel, François Séverac, Olivier Keller, Thomas Vogel, Martine Tebacher, Jean-Christophe Weber, Georges Kaltenbach, Jacques-Eric Gottenberg, Bernard Goichot, Jean Sibilia, Anne-Sophie Korganow, Raoul Herbrecht
BACKGROUD: Few data is currently available on neutropenia and agranulocytosis related to drug intake. We report here data on 203 patients with established idiosyncratic drug-induced agranulocytosis, followed up in a referral centre within a university hospital. PATIENTS AND METHODS: Data from 203 patients with idiosyncratic drug-induced agranulocytosis were retrospectively reviewed. All cases were extracted from a cohort study on agranulocytosis in the Strasbourg University Hospital (Strasbourg, France) RESULTS: : The mean age was 61...
January 9, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28069097/cognitive-outcome-in-childhood-onset-epilepsy-a-five-decade-prospective-cohort-study
#8
Mira Karrasch, Petri Tiitta, Bruce Hermann, Juho Joutsa, Shlomo Shinnar, Juha Rinne, Anu Anttinen, Matti Sillanpää
OBJECTIVES: Little is known about the very long-term cognitive outcome in patients with childhood-onset epilepsy. The aim of this unique prospective population-based cohort study was to examine cognitive outcomes in aging participants with childhood-onset epilepsy (mean onset age=5.3 years) five decades later (mean age at follow-up=56.5 years). METHODS: The sample consisted of 48 participants with childhood-onset epilepsy and 48 age-matched healthy controls aged 48-63 years...
January 10, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28059037/status-epilepticus-an-overview
#9
Venkata Ramesh Yasam, V Senthil, Satya Lavanya Jakki, N Jawahar
Status epilepticus (SE) is an emergency situation, where immediate and effective treatment is required in least possible time as it is associated with neuronal damage, systemic complications, substantial morbidity and mortality depending on status type, duration, age and etiology. In the past few years, morbidity and mortality rate were improved, probably may be due to aggressive use of anti-epileptic drugs in emergency situations. Present literature gives an overview of the conditions leading to SE and its management guidelines in hospital and out of hospital setting emphasizing on the available drug therapies...
January 5, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28040557/measurement-of-pyridoxal-5-phosphate-pyridoxal-and-4-pyridoxic-acid-in-the-cerebrospinal-fluid-of-children
#10
Tomoyuki Akiyama, Mari Akiyama, Yumiko Hayashi, Takashi Shibata, Yoshiyuki Hanaoka, Soichiro Toda, Katsumi Imai, Shin-Ichiro Hamano, Tohru Okanishi, Harumi Yoshinaga, Katsuhiro Kobayashi
BACKGROUND: We quantified pyridoxal 5'-phosphate (PLP), pyridoxal (PL), and 4-pyridoxic acid (PA) in the cerebrospinal fluid (CSF) of children and to investigate the effect of age, sex, epilepsy, and anti-epileptic drug (AED) therapy on these vitamers. METHODS: CSF samples prospectively collected from 116 pediatric patients were analyzed. PLP, PL, and PA were measured using high-performance liquid chromatography with fluorescence detection, using pre-column derivatization by semicarbazide...
December 28, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28033546/alterations-in-balance-and-mobility-in-people-with-epilepsy
#11
Carlos R Camara-Lemarroy, Daniela Ortiz-Zacarías, Juan J Peña-Avendaño, Ingrid Estrada-Bellmann, Héctor J Villarreal-Velázquez, Marco A Díaz-Torres
PURPOSE: People with epilepsy (PWE) are burdened by physical disability and side effects of antiepileptic drugs (AED) such as drowsiness and blurred vision. These factors place them at risk for reduced mobility and falls. The purpose of this study was to evaluate mobility and balance in PWE. METHODS: This was a cross-sectional study of PWE and age- and sex-matched controls. We evaluated mobility and balance using the Timed Up and Go Test (TUG) and the Tinetti Mobility Test (TMT)...
December 26, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28026006/extended-eeg-and-non-convulsive-status-epilepticus-benefit-over-routine-eeg
#12
E Eskioglou, C Stähli, A O Rossetti, J Novy
OBJECTIVE: EEG monitoring is increasingly used in critically ill patients, but impact on clinical outcome remains unclear. We aimed to investigate the benefit of repeated extended EEG in the prognosis of patients with non-convulsive status epilepticus (SE). MATERIALS & METHODS: We retrospectively collected 29 consecutive patients with non-convulsive SE without coma, who underwent repeated extended EEG between 2013 and 2015. We compared these patients with an historical age-matched group of 58 patients managed between 2011 and 2013 with routine EEG only...
December 27, 2016: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28017580/functional-mri-based-connectivity-analysis-a-promising-tool-for-the-investigation-of-the-pathophysiology-and-comorbidity-of-epilepsy
#13
Fenglai Xiao, Dongmei An, Dong Zhou
Epilepsy has been recognized as a brain network disorder. Therefore, functional MRI (fMRI)-based connectivity is an ideal technique for exploring the complex effects of epilepsy on the brain. Functional connectivity studies have provided insights into the physiopathogenesis of the epileptic network underlying focal epilepsies, genetic generalized epilepsy, and specific epileptic syndromes. An increasing number of studies have focused on the deleterious effects of epilepsy on other brain networks to help to explain cognitive deficits and psychiatric symptoms...
October 14, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27992068/exploring-two-novel-cases-of-suspected-ictal-epileptic-headache-a-rare-form-of-paediatric-epilepsy
#14
Emanuele G Coci, Joachim Riedel
AIM: Ictal epileptic headache (IEH) is a rare and underestimated epileptic form, characterised by epileptiform discharges and headache attacks without any other ictal sensory-motor manifestations. IEH is difficult to diagnose, because the epileptiform discharges have to be registered during the headache attack and the headache has to disappear after the intravenous administration of an anti-epileptic drug, according to the last diagnostic criteria. This study explored the clinical, neuro-physiological and therapeutic features of IEH in the paediatric population...
December 19, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27977867/simultaneous-uplc-ms-ms-determination-of-antiepileptic-agents-for-dose-adjustment
#15
Faten Farouk, Ehab F ElKady, Hassan M E Azzazy
Therapeutic drug monitoring (TDM) of anti-epileptic drugs (AED) is a routine application. Carbamazepine (CRB) is monitored as the parent drug while oxcarbazepine (OXC) and eslicarbazepine acetate (ESL) are monitored as their active metabolite (eslicarbazepine; MHD). We have developed a UPLC-MS/MS method for determining CRB, OXC, ESL and MHD in plasma or serum with a simplified extraction protocol. The developed method detects sildenafil (SLD) which clinically interferes with AED and is likely to be co-administered in epileptic patients suffering from sexual insufficiency (60%)...
December 15, 2016: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/27970848/meta-analysis-of-newer-anti-epileptic-drugs-for-treatment-of-partial-epilepsy-in-children
#16
N A Mohd Tahir, S C Li
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27956235/valproic-acid-protects-against-mpp-mediated-neurotoxicity-in-sh-sy5y-cells-through-autophagy
#17
Y Zhang, J Y Wu, L H Weng, X X Li, L J Yu, Y Xu
Autophagy is a common physiological activity in cells. Studies show that dysregulation of autophagy is involved in the pathogenesis of Parkinson's disease (PD). As a commonly used anti-epileptic drug, valproic acid (VPA) has shown neuroprotective effects in PD. The aim of this study was to explore whether the autophagy induced by VPA involved in the neuroprotective effects in PD cell model. We found that VPA treatment counteracted MPP(+)-caused autophagic flux impairment. Forthermore, VPA could alleviates apoptosis, reduce reactive oxygen species (ROS) production and mitochondrial membrane potential (MMP) loss caused by MPP(+)...
December 9, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27938924/effect-of-carbamazepine-on-the-sleep-microstructure-of-temporal-lobe-epilepsy-patients-a-cyclic-alternating-pattern-based-study
#18
Chetan S Nayak, Sanjib Sinha, Madhu Nagappa, Kandavel Thennarasu, Arun B Taly
BACKGROUND: Studies looking at the effect of anti-epileptic drugs on the sleep microstructure of patients with epilepsy are scarce. The aim of this study was to compare the sleep microstructural characteristics of drug-naive temporal lobe epilepsy (TLE) patients and those on carbamazepine (CBZ) monotherapy. METHODS: Three age-matched (p = 0.286) and sex-matched (p = 0.398) groups were studied: drug-naive TLE (n = 20); TLE on CBZ (n = 20); and healthy controls (n = 40)...
November 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27919463/newer-anti-epileptic-drugs-vitamin-status-and-neuropathy-a-cross-sectional-analysis
#19
V Cahill, D McCorry, I Soryal, Y A Rajabally
OBJECTIVE: Whether new antiepileptic drugs (AEDs) may result in neuropathy is unknown but possible given their effects on vitamin metabolism. This analysis aimed to determine frequency and correlates of neuropathy in subjects treated with new AEDs in relation to drug used, length of exposure and serum vitamin B12 and folate levels. METHODS: We performed a cross-sectional study of 52 consecutive epileptic subjects. Presence of neuropathy was determined using the Utah Early Neuropathy Score (UENS)...
December 2, 2016: Revue Neurologique
https://www.readbyqxmd.com/read/27918641/evaluation-of-the-biocompatibility-of-polypyrrole-implanted-subdurally-in-gaers
#20
Sebastien H Bauquier, Karen J McLean, Jonathan L Jiang, Ray C Boston, Alan Lai, Zhilian Yue, Simon E Moulton, Amy J Halliday, Gordon Wallace, Mark J Cook
This blinded controlled prospective randomized study investigates the biocompatibility of polypyrrole (PPy) polymer that will be used for intracranial triggered release of anti-epileptic drugs (AEDs). Three by three millimeters PPy are implanted subdurally in six adult female genetic absence epilepsy rats from Strasbourg. Each rat has a polymer implanted on one side of the cortex and a sham craniotomy performed on the other side. After a period of seven weeks, rats are euthanized and parallel series of coronal sections are cut throughout the implant site...
December 5, 2016: Macromolecular Bioscience
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