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https://www.readbyqxmd.com/read/28315449/prophylactic-levetiracetam-for-seizure-control-after-cranioplasty-a-multicenter-prospective-controlled-study
#1
Shuli Liang, Ping Ding, Shaohui Zhang, Junchen Zhang, Jiwu Zhang, Yuping Wu
PURPOSE: To study the efficacy and safety of prophylactic levetiracetam (LEV) administration in adults undergoing cranioplasty. METHODS: Two hundred adults undergoing cranioplasty were prospectively enrolled and randomly divided into LEV group (prophylactic LEV for 24 weeks) and control group (no prophylactic anti-epileptic drugs). The patients' demographic and clinical characteristics, occurrence of postoperative seizure, changes in intelligence quotient (IQ), memory quotient (MQ), and activities of daily living (ADL) scores, as well as postoperative hospital stay side effects, were all analyzed at 2-, 24-, and 48-week follow-up visits...
March 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28303446/expression-of-human-cytomegalovirus-components-in-the-brain-tissues-of-patients-with-rasmussen-s-encephalitis
#2
Yao Zhang, Yisong Wang, Sichang Chen, Shuai Chen, Yuguang Guan, Changqing Liu, Tianfu Li, Guoming Luan, Jing An
Rasmussen's encephalitis (RE) is a rare and severe progressive epileptic syndrome with unknown etiology. Infection by viruses, including human cytomegalovirus (HCMV), has been speculated to be a potential trigger for RE. However, no viral antigens have been detected in the brains of patients with RE; thus, a possible clinical linkage between viral infections and RE has not been firmly established. In this study, we evaluated the expression of HCMV pp65 antigen in brain sections from 26 patients with RE and 20 non-RE patients by immunohistochemistry and in situ hybridization, and assessed the associations between HCMV infection and clinical parameters...
March 2, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28299629/inhibition-of-calcineurin-a-by-fk506-suppresses-seizures-and-reduces-the-expression-of-glun2b-in-membrane-fraction
#3
Yuetao Wen, Pengfei Fu, Kunlun Wu, Kaichuang Si, Yanfeng Xie, Wei Dan, Yan Zhan, Quanhong Shi
FK506, a calcineurin inhibitor, shows neuroprotective effects and has been associated with neurodegenerative diseases. Calcineurin A (CaNA), a catalytic subunit of calcineurin, mediates the dephosphorylation of various proteins. N-methyl-D-aspartate receptor (GluN) is closely related to epileptogenesis, and various phosphorylation sites of GluN2B, a regulatory subunit of the GluN complex, have different functions. Thus, we hypothesized that one of the potential anti-epileptic mechanisms of FK506 is mediated by its ability to promote the phosphorylation of GluN2B and reduce the expression of GluN2B in membrane fraction by down-regulating CaNA...
March 15, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28295557/parachlorophenylalanine-induced-5-ht-depletion-alters-behavioural-and-brain-neurotransmitters-levels-in-6-hertz-psychomotor-seizure-model-in-mice
#4
Kausar Jahan, Krishna K Pillai, Divya Vohora
The present study was designed to investigate the role of serotonin and other neurotransmitters namely dopamine (DA), histamine, noradrenaline (NA), glutamate and γ-amino-butyric acid (GABA) in the 6-hertz (6 Hz) induced psychomotor seizures in Swiss albino mice. Parachlorophenylalanine (PCPA, 300 mg/kg/day, i.p for 3 days) treated mice were given 6 Hz stimulation. Sodium valproate (SVP) [200 mg/kg/day, p.o for 3 days] was used as a reference anti-epileptic drug. The behavioral changes induced by 6Hz including increased rearing and grooming, Straub's tail, behavioral arrest, stun position etc were amplified by PCPA...
March 10, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28285234/caregiver-reported-religious-beliefs-and-complementary-and-alternative-medicine-use-among-children-admitted-to-an-epilepsy-monitoring-unit
#5
Julia Fleming Beattie, Matthew D Thompson, Pamela H Parks, Ruth Q Jacobs, Monisha Goyal
Complementary and alternative medicine (CAM) includes a wide range of practices and products that are generally outside the use of conventional medicine as practiced in Western cultures. Use of CAM in persons with epilepsy is high, even compared to individuals with other chronic health conditions. In this study, we surveyed caregivers of children admitted to a regional epilepsy monitoring unit (EMU) in the southeast United States to assess CAM use among patients (N=225). Thirteen percent of respondents indicated current use of CAM by their child, 16% reported past use, and 43% reported interest in future use, most commonly in marijuana as a potential treatment (23%)...
March 8, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28284381/mechanisms-of-drug-induced-interstitial-nephritis
#6
REVIEW
Rajeev Raghavan, Saed Shawar
Drug-induced acute interstitial nephritis (DI-AIN) is a drug hypersensitivity reaction (DHR) that manifests 7 to 10 days after exposure to the culprit drug. DHRs account for fewer than 15% of reported adverse drug reactions. The kidneys are susceptible to DHR because: (1) the high renal blood flow whereby antigens are filtered, secreted, or concentrated, and (2) it is a major site of excretion for drugs and drug metabolites. More than 250 different drugs from various classes have been incriminated as causative agents of DI-AIN, the third most common cause of acute kidney injury in the hospital...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28281500/recent-advances-in-epilepsy-research-in-india
#7
Aparna B Dixit, Jyotirmoy Banerjee, P Sarat Chandra, Manjari Tripathi
There are more than 10 million persons with epilepsy (PWE) in India. Despite availability of antiepileptic drugs (AEDs), there is a large treatment gap varying from 50 to 70% among PWE. For treatable epilepsy, this gap can be attributed to poor education, poverty, cultural beliefs, stigma, and poor healthcare infrastructure; whereas for chronic epilepsy, this gap can be attributed to lack of proper diagnosis and treatment. To prevent, treat, and cure epilepsy, researchers worldwide have made exciting advances across all areas of epilepsy research...
2017: Neurology India
https://www.readbyqxmd.com/read/28281493/use-of-resting-state-fmri-in-planning-epilepsy-surgery
#8
REVIEW
Sharon Chiang, Zulfi Haneef, John M Stern, Jerome Engel
Epileptic seizures result from abnormal neuronal excitability and synchronization, affecting 0.5-1% of the population worldwide. Although anti-seizure drugs are often effective, a significant number of patients with epilepsy continue to experience refractory seizures and are candidates for surgical resection. Whereas standard presurgical evaluation has relied on intracranial electroencephalography (icEEG) and direct cortical stimulation to identify epileptogenic tissue and areas of cortex for which resection would produce clinical deficits, the invasive nature and limited spatial extent of icEEG has led to the investigation of less invasive imaging modalities as adjunctive tools in the presurgical workup...
2017: Neurology India
https://www.readbyqxmd.com/read/28279893/population-pharmacokinetics-and-dose-response-relationship-of-levetiracetam-in-adult-patients-with-epilepsy
#9
Su-Jin Rhee, Jung-Won Shin, SeungHwan Lee, Jangsup Moon, Tae-Joon Kim, Ki-Young Jung, Kyung-Il Park, Soon-Tae Lee, Keun-Hwa Jung, Kyung-Sang Yu, In-Jin Jang, Kon Chu, Sang Kun Lee
Levetiracetam (LEV) is commonly used as a mono- or adjunctive therapy for treating patients with partial and generalized epilepsy. This study aimed to develop a population pharmacokinetic (PK) model of LEV, based on sparse data, and to explore LEV efficacy relative to its PK properties in patients with epilepsy. We included 483 LEV concentrations from 425 patients with epilepsy that received multiple oral LEV doses. We performed a population PK analysis, implemented in NONMEM (version 7.2). In addition, we explored the relationships between seizure control and PK variables (i...
February 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28279159/changes-in-prevalence-of-psychotropic-drug-use-and-alcohol-consumption-among-the-elderly-in-germany-results-of-two-national-health-interview-and-examination-surveys-1997-99-and-2008-11
#10
Ingrid-Katharina Wolf, Yong Du, Hildtraud Knopf
BACKGROUND: Psychotropic drug use and alcohol consumption among older adults need to be monitored over time as their use or combined use bears risks of harms. Representative data on changes in prevalence, patterns and co-relates of substance use are lacking in Germany. METHODS: Participants were older adults (60-79 years) from two German National Health Surveys: 1997-99 (GNHIES98, N = 1,606) and 2008-11 (DEGS1, N = 2,501). Included were drugs acting on the nervous system used during the last 7 days...
March 9, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28276448/blood-dna-methylation-pattern-is-altered-in-mesial-temporal-lobe-epilepsy
#11
Hong-Yu Long, Li Feng, Jin Kang, Zhao-Hui Luo, Wen-Biao Xiao, Li-Li Long, Xiao-Xin Yan, Luo Zhou, Bo Xiao
Mesial temporal lobe epilepsy (MTLE) is a common epileptic disorder; little is known whether it is associated with peripheral epigenetic changes. Here we compared blood whole genomic DNA methylation pattern in MTLE patients (n = 30) relative to controls (n = 30) with the Human Methylation 450 K BeadChip assay, and explored genes and pathways that were differentially methylated using bioinformatics profiling. The MTLE and control groups showed significantly different (P < 1.03e-07) DNA methylation at 216 sites, with 164 sites involved hyper- and 52 sites hypo- methylation...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28268939/towards-an-implantable-bio-sensor-platform-for-continuous-real-time-monitoring-of-anti-epileptic-drugs
#12
Abbas Hammoud, Ahmad Chamseddine, Dang K Nguyen, Mohamad Sawan
The need of continuous real-time monitoring device for in-vivo drug level detection has been widely articulated lately. Such monitoring could guide drug posology and timing of intake, detect low or high drug levels, in order to take adequate measures, and give clinicians a valuable window into patients' health and their response to therapeutics. This paper presents a novel implantable bio-sensor based on impedance measurement capable of continuously monitoring various antiepileptic drug levels. This portable point-of-care microsystem replaces large and stationary conventional macrosystems, and is a one of a kind system designed with an array of electrodes to monitor various anti-epileptic drugs rather than one drug...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28249817/the-direct-actions-of-cannabidiol-and-2-arachidonoyl-glycerol-at-gabaa-receptors
#13
T Bakas, P S van Nieuwenhuijzen, S O Devenish, I S McGregor, J C Arnold, M Chebib
Cannabidiol (CBD) is a major non-intoxicating component of cannabis and possesses anti-epileptic, anxiolytic and anti-hyperalgesic properties. The mechanism of action of CBD in producing such effects remains unclear. Despite evidence that some endogenous and synthetic cannabinoids interact with GABAA receptors, no-one has yet investigated the effects of CBD. Here we used two-electrode voltage clamp electrophysiology to compare the actions of CBD with those of the major central endocannabinoid, 2-arachidonoyl glycerol (2-AG) on human recombinant GABAA receptors (synaptic α1-6βγ2 and extrasynaptic α4β2δ) expressed on Xenopus oocytes...
February 27, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28247440/clinical-features-imaging-characteristics-and-long-term-outcome-of-dogs-with-cranial-meningocele-or-meningoencephalocele
#14
K Lazzerini, R Gutierrez-Quintana, R José-López, F McConnell, R Gonçalves, J McMurrough, S De Decker, C Muir, S L Priestnall, L Mari, F Stabile, L De Risio, C Loeffler, A Tauro, C Rusbridge, S Rodenas, S Añor, C de la Fuente, A Fischer, A Bruehschwein, J Penderis, J Guevar
BACKGROUND: The term meningoencephalocele (MEC) describes a herniation of cerebral tissue and meninges through a defect in the cranium, whereas a meningocele (MC) is a herniation of the meninges alone. HYPOTHESIS/OBJECTIVES: To describe the clinical features, magnetic resonance imaging (MRI) characteristics, and outcomes of dogs with cranial MC and MEC. ANIMALS: Twenty-two client-owned dogs diagnosed with cranial MC or MEC. METHODS: Multicentric retrospective descriptive study...
February 28, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28246062/epilepsy-with-myoclonic-atonic-seizures-and-chronic-cerebellar-symptoms-associated-with-antibodies-against-glutamate-receptors-n2b-and-d2-in-serum-and-cerebrospinal-fluid
#15
Ryuki Matsuura, Shin-Ichiro Hamano, Satoru Ikemoto, Yuko Hirata, Kotoko Suzuki, Kenjiro Kikuchi, Yukitoshi Takahashi
A 3-year-old boy with normal development presented with acute cerebellitis at one year and 10 months of age. His truncal ataxia resolved without treatment. He experienced a relapse of truncal ataxia and atonic seizures at 2 years and one month of age. Five months later, he experienced myoclonic atonic seizures. By 3 years of age, the truncal ataxia had become severe, and the frequency of myoclonic atonic seizures increased. Compared to controls, we found higher levels of anti-C-terminal GluN2B and anti-N terminal GluD2 antibodies in the serum, and anti-N terminal GluN2B and anti-C terminal GluD2 antibodies in the cerebrospinal fluid (CSF)...
February 27, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28242287/chronic-administration-of-gabapentin-and-a-gabapentin-carbamazepine-combination-reversibly-suppress-testicular-function-in-male-wistar-rats-rattus-norvegicus
#16
Opeyemi Samson Osuntokun, Gbola Olayiwola, Ayowole Oladele, Idowu Ola, Oludele AyokaAbiodun
The effect of chronic administration of gabapentin, carbamazepine or a gabapentin-carbamazepine combination on testicular function in male rats was investigated to determine the effect of combining reduced doses of anti-epileptic drugs on the management of seizures, particularly with respect to the testis sequellae of chronic anti-epileptic administration. Male rats were randomized into four groups (n=10). Each group received daily intraperitoneal (i.p.) injections for 28days as follows: Group I, normal saline 0...
February 13, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28239917/decrease-in-mortality-of-adult-epilepsy-patients-since-1980-lessons-learned-from-a-hospital-based-cohort
#17
C A Granbichler, W Oberaigner, G Kuchukhidze, J-P Ndayisaba, A Ndayisaba, A Taylor, G Bauer, G Luef, E Trinka
BACKGROUND AND PURPOSE: Data on mortality in patients with epilepsy have been available since the 1800s. They consistently show a 2-3-fold increase compared to the general population. Despite major advances in diagnostic tools and treatment options, there is no evidence for a decrease in premature deaths. The temporal trend of mortality in a hospital-based epilepsy cohort over three decades was assessed. METHODS: A hospital-based incidence cohort was recruited from a specialized epilepsy outpatient clinic at Innsbruck Medical University between 1980 and 2007, divided by decade into three cohorts and followed for 5 years after initial epilepsy diagnosis...
February 27, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28238621/psychiatric-and-behavioral-side-effects-of-anti-epileptic-drugs-in-adolescents-and-children-with-epilepsy
#18
B Chen, K Detyniecki, H Choi, L Hirsch, A Katz, A Legge, R Wong, A Jiang, R Buchsbaum, P Farooque
PURPOSE: The objective of the study was to compare the psychiatric and behavioral side effect (PBSE) profiles of both older and newer antiepileptic drugs (AEDs) in children and adolescent patients with epilepsy. METHOD: We used logistic regression analysis to test the correlation between 83 non-AED/patient related potential predictor variables and the rate of PBSE. We then compared for each AED the rate of PBSEs and the rate of PBSEs that led to intolerability (IPBSE) while controlling for non-AED predictors of PBSEs...
February 14, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28235604/mir-466b-1-3p-regulates-p-glycoprotein-expression-in-rat-cerebral-microvascular-endothelial-cells
#19
Xiaobo Yang, Weimin Ren, Yiye Shao, Yinghui Chen
Epilepsy is one of the most common neurological disorders, and approximately one-third of epilepsy cases are resistant to treatment with anti-epileptic drug (AED). P-glycoprotein (P-gp) is a multi-drug transporter that is thought to play a pivotal role in multiple drug resistance (MDR) in epilepsy. The regulatory mechanism of P-gp remains largely unknown; however, recent studies have demonstrated that microRNAs (miRNAs) may regulate the chemo-resistance mediated by P-gp. This study investigated the effect of specific miRNAs that regulate P-gp expression in rat cerebral microvascular endothelial cells (RCMECs)...
February 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28230208/optogenetic-activation-of-vglut2-expressing-excitatory-neurons-blocks-epileptic-seizure-like-activity-in-the-mouse-entorhinal-cortex
#20
Latefa Yekhlef, Gian Luca Breschi, Stefano Taverna
We investigated whether an anti-epileptic effect is obtained by selectively activating excitatory neurons expressing ChR2 under the promoter for the synaptic vesicular glutamate transporter 2 (VGLUT2). VGLUT2-expressing cells were optically stimulated while local field potential and whole-cell patch-clamp recordings were performed in mouse entorhinal cortical slices perfused with the proconvulsive compound 4-aminopyridine (4-AP). In control conditions, blue light flashes directly depolarized the majority of putative glutamatergic cells, which in turn synaptically excited GABAergic interneurons...
February 23, 2017: Scientific Reports
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