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Seizure protocol

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https://www.readbyqxmd.com/read/29346088/intense-olfactory-stimulation-blocks-seizures-in-an-experimental-model-of-epilepsy
#1
Polianna Delfino-Pereira, Poliana Bertti-Dutra, Eduardo Henrique de Lima Umeoka, José Antônio Cortes de Oliveira, Victor Rodrigues Santos, Artur Fernandes, Simone Saldanha Marroni, Flávio Del Vecchio, Norberto Garcia-Cairasco
There are reports of patients whose epileptic seizures are prevented by means of olfactory stimulation. Similar findings were described in animal models of epilepsy, such as the electrical kindling of amygdala, where olfactory stimulation with toluene (TOL) suppressed seizures in most rats, even when the stimuli were 20% above the threshold to evoke seizures in already kindled animals. The Wistar Audiogenic Rat (WAR) strain is a model of tonic-clonic seizures induced by acute acoustic stimulation, although it also expresses limbic seizures when repeated acoustic stimulation occurs - a process known as audiogenic kindling (AK)...
January 12, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29333566/principles-of-management-of-central-nervous-system-infections
#2
REVIEW
Sunit Singhi, Suresh Kumar Angurana
CNS infections in children are medical emergency and are associated with high mortality and morbidity. For diagnosis, a high index of suspicion is required. Clinical assessment should be supplemented by laboratory investigations including CSF Gram stain and cultures, blood culture, PCR on CSF, serological tests, and imaging. Commonly associated life threatening complications include coma, seizure, raised intracranial pressure (ICP), focal deficits, shock, respiratory failure, and fluid and electrolyte abnormalities...
January 15, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29329499/a-pilot-study-of-the-comparative-efficacy-of-100%C3%A2-hz-magnetic-seizure-therapy-and-electroconvulsive-therapy-in-persistent-depression
#3
Paul B Fitzgerald, Kate E Hoy, David Elliot, Susan McQueen, Lenore E Wambeek, Leo Chen, Anne Maree Clinton, Glenn Downey, Zafiris J Daskalakis
BACKGROUND: Magnetic seizure therapy (MST) is a novel brain stimulation technique that uses a high-powered transcranial magnetic stimulation device to produce therapeutic seizures. Preliminary MST studies have found antidepressant effects in the absence of cognitive side effects but its efficacy compared to electroconvulsive therapy (ECT) remains unclear. The aim of this study was to investigate the therapeutic efficacy and cognitive profile of MST compared to standard right unilateral ECT treatment...
January 12, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29306558/high-dose-phenobarbitone-coma-in-pediatric-refractory-status-epilepticus-a-retrospective-case-record-analysis-a-proposed-protocol-and-review-of-literature
#4
Sheffali Gulati, Vishal Sondhi, Biswaroop Chakrabarty, Prashant Jauhari, Rakesh Lodha, Jhuma Sankar
BACKGROUND: Ongoing refractory status epilepticus is associated with significant morbidity and mortality. Therapeutic coma induction with midazolam, thiopentone, phenobarbitone or propofol is indicated when conventional antiepileptics fail to abort seizure. Of these, the most extensively studied is midazolam. Amongst the remaining three, phenobarbitone has the most favourable pharmacological profile, but has not been studied adequately, more so in the pediatric age group. The current retrospective case records analysis is an attempt to describe use of phenobarbitone coma in pediatric refractory status epilepticus...
January 3, 2018: Brain & Development
https://www.readbyqxmd.com/read/29298944/neuronal-migration-disorders
#5
Benjamin Roberts
Enhanced understanding of brain development has led to increased awareness of the links between disorders of neuronal migration and seizure disorders. A significant number of patients with intractable epilepsy have cortical malformations that originated during neuronal migration. Magnetic resonance imaging plays a primary role in the diagnosis and classification of neuronal migration disorders. These disorders include polymicrogyria, schizencephaly, lissencephaly, heterotopia, and focal cortical dysplasia. Imaging protocols continue to evolve to provide critical assessment of anatomic and physiologic traits of these disorders to better treat and prevent seizures...
January 2018: Radiologic Technology
https://www.readbyqxmd.com/read/29288992/the-effect-of-increased-intracranial-eeg-sampling-rates-in-clinical-practice
#6
Kathryn A Davis, Seth P Devries, Abba Krieger, Temenuzhka Mihaylova, Daniela Minecan, Brian Litt, Joost B Wagenaar, William C Stacey
OBJECTIVE: Recent research suggests that high frequency intracranial EEG (iEEG) may improve localization of epileptic networks. This study aims to determine whether recording macroelectrode iEEG with higher sampling rates improves seizure localization in clinical practice. METHODS: 14 iEEG seizures from 10 patients recorded with >2000 Hz sampling rate were downsampled to four sampling rates: 100, 200, 500, 1000 Hz. In the 56 seizures, seizure onset time and location was marked by 5 independent, blinded EEG experts...
November 16, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29276423/hypoglycemia-when-to-treat
#7
REVIEW
Venkat Reddy Kallem, Aakash Pandita, Girish Gupta
Hypoglycemia is the most common metabolic disorder encountered in neonates. The definition of hypoglycemia as well as its clinical significance and management remain controversial. Most cases of neonatal hypoglycemia are transient, respond readily to treatment, and are associated with an excellent prognosis. Persistent hypoglycemia is more likely to be associated with abnormal endocrine conditions, such as hyperinsulinemia, as well as possible neurologic sequelae. Manifestations of hypoglycemia include seizures which can result in noteworthy neuromorbidity in the long haul...
2017: Clinical Medicine Insights. Pediatrics
https://www.readbyqxmd.com/read/29208697/simultaneous-lipidomic-and-transcriptomic-profiling-in-mouse-brain-punches-of-acute-epileptic-seizure-model-compared-to-controls
#8
Raissa Lerner, Julia M Post, Shane R Ellis, Dina R N Vos, Ron M A Heeren, Beat Lutz, Laura Bindila
In this study we report the development of a dual extraction protocol for RNA and lipids including phospholipids, endocannabinoids and arachidonic acid at high spatial resolution e.g. brain punches obtained from whole frozen brains, corresponding to four brain subregions: dorsal hippocampus, ventral hippocampus, basolateral amygdala and hypothalamus. This extraction method combined with liquid-chromatography multiple reaction monitoring for lipid quantification and qPCR for RNA investigation allows lipidomic and transcriptomic profiling from submg tissue amount benefiting thus the time and animal costs for analysis and the data reliability due to prevention of biological variability between animal batches, and/or tissue heterogeneity, as compared to profiling in distinct animal batches...
December 5, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/29202749/inhibitory-or-excitatory-optogenetic-interrogation-of-the-functional-roles-of-gabaergic-interneurons-in-epileptogenesis
#9
REVIEW
Hui Ye, Stephanie Kaszuba
Alteration in the excitatory/inhibitory neuronal balance is believed to be the underlying mechanism of epileptogenesis. Based on this theory, GABAergic interneurons are regarded as the primary inhibitory neurons, whose failure of action permits hyperactivity in the epileptic circuitry. As a consequence, optogenetic excitation of GABAergic interneurons is widely used for seizure suppression. However, recent evidence argues for the context-dependent, possibly "excitatory" roles that GABAergic cells play in epileptic circuitry...
December 5, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29194744/pharmacokinetics-of-the-anti-convulsant-levetiracetam-in-neonatal-foals
#10
K D MacDonald, K A Hart, J L Davis, L J Berghaus, S Giguère
BACKGROUND: Seizures are a common manifestation of neurologic disease in the neonatal foal and are an important cause of morbidity and mortality in this population. Current anti-epileptic options are effective, but often have undesirable adverse effects, short duration of action, and high cost. Levetiracetam has an ideal safety and pharmacokinetic profile in multiple species, including the adult horse, and may be a safe and cost-effective alternative anti-convulsant in neonatal foals...
December 1, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29185557/frequency-determinants-and-effects-of-early-seizures-after-thrombolysis-for-acute-ischemic-stroke-the-enchanted-trial
#11
Ying Xu, Maree L Hackett, John Chalmers, Richard I Lindley, Xia Wang, Qiang Li, Thompson Robinson, Hisatomi Arima, Pablo M Lavados, Craig S Anderson
Background: Seizures after ischemic stroke have not been well-studied. We aim to determine the frequency, determinants, and significance of early seizures after thrombolysis for acute ischemic stroke. Methods: Data are from the Enhanced Control of Hypertension and Thrombolysis Stroke Study (ENCHANTED), an international, multicenter, randomized controlled trial where patients with acute ischemic stroke were randomized to low-dose (0.6 mg/kg) or standard-dose (0.9 mg/kg) IV alteplase...
August 2017: Neurology. Clinical Practice
https://www.readbyqxmd.com/read/29182948/mozart-s-music-in-children-with-drug-refractory-epileptic-encephalopathies-comparison-of-two-protocols
#12
Giangennaro Coppola, Francesca Felicia Operto, Francesca Caprio, Giuseppe Ferraioli, Simone Pisano, Andrea Viggiano, Alberto Verrotti
In this prospective, randomized, open label study, we compared the effect on seizure recurrence and quality-of-life parameters, of two different protocols of music therapy in children and adolescents with refractory epileptic encephalopathies. Nine out of 19 patients (13 males and 6 females, aged between 1 and 24years) were randomized to listen to Mozart's sonata in D major for two pianos K448 for 2h/day for 2weeks; other 10 children were randomized on a set of Mozart's compositions. In group 1 (K448), 2/9 children (22...
November 25, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29171011/stroke-like-migraine-attacks-after-radiation-therapy-a-misnomer
#13
Emily Peien Fan, Gabriel Heiber, Elizabeth E Gerard, Stephan Schuele
OBJECTIVE: To understand the frequency of electrographic and clinical seizures in patients with stroke-like migraine attacks after radiation therapy (SMART), and determine whether SMART warrants comprehensive electroencephalographic (EEG) monitoring and aggressive seizure management. METHODS: We searched our magnetic resonance brain imaging report database for all patients between January 2013 and December 2015 for suspected SMART syndrome. Clinical inclusion criteria were further applied as follows: inpatient adults (>18 years of age) with history of cranial radiation presenting with acute neurologic deficits as primary admission reason who lacked evidence of recurrent or new brain malignancy, stroke, or infectious agents in cerebrospinal fluid...
November 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/29170352/55%C3%A2-mini-sim-innovative-bite-sized-simulation-teaching-in-a-busy-children-s-emergency-department
#14
Rachel Sunley, Karen Moloney, Jessica Parker, Christopher Arrowsmith, Kirsty Brown, Alex Wilson
: Emergency Medicine requires a highly skilled workforce who are passionate about delivering excellent patient care. Shift patterns linked with the ever increasing numbers of patients who attend Emergency Departments puts strain on educating the workforce and fostering team togetherness.Our objective in devising and instigating the 'Mini Sim' programme was to embed regular in-situ simulation training to enhance the learning of all staff within our Emergency Department team, building a highly trained workforce to deliver excellent care within the remit of our busy department...
December 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/29163349/kainic-acid-induced-post-status-epilepticus-models-of-temporal-lobe-epilepsy-with-diverging-seizure-phenotype-and-neuropathology
#15
Daniele Bertoglio, Halima Amhaoul, Annemie Van Eetveldt, Ruben Houbrechts, Sebastiaan Van De Vijver, Idrish Ali, Stefanie Dedeurwaerdere
The aim of epilepsy models is to investigate disease ontogenesis and therapeutic interventions in a consistent and prospective manner. The kainic acid-induced status epilepticus (KASE) rat model is a widely used, well-validated model for temporal lobe epilepsy (TLE). As we noted significant variability within the model between labs potentially related to the rat strain used, we aimed to describe two variants of this model with diverging seizure phenotype and neuropathology. In addition, we evaluated two different protocols to induce status epilepticus (SE)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29161897/status-epilepticus-and-multiple-sclerosis-a-case-presentation-and-literature-review
#16
Murat Mert Atmaca, Candan Gurses
PURPOSE: To search the literature for the frequency, pathogenesis, prognosis, and treatment of seizures and status epilepticus (SE) in patients with multiple sclerosis (MS). METHODS: We report 2 patients with MS who presented with SE and review the literature. RESULTS: Seizures and SE episodes worsened during MS relapses in the first patient. SE episodes and MS relapses significantly decreased after initiation of natalizumab treatment but she still had seizures and was taking 4 antiepileptic drugs (AEDs)...
January 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/29153631/human-abuse-potential-of-brivaracetam-in-healthy-recreational-central-nervous-system-depressant-users
#17
Kerri A Schoedel, Armel Stockis, Edward M Sellers
BACKGROUND: Brivaracetam is a new antiepileptic drug indicated for adjunctive treatment of focal seizures in adults at a dose of 50-200mg/day taken in two equal doses. The objective of this study was to evaluate the abuse potential of brivaracetam compared with alprazolam (positive control), placebo, and levetiracetam. METHODS: This was a randomized, double-blind, triple-dummy, crossover study in healthy male and female recreational central nervous system (CNS) depressant users aged 18-55years, who could distinguish between the subjective effects of alprazolam 2mg and placebo...
November 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29137682/cefepime-induced-neurotoxicity-a-systematic-review
#18
Lauren E Payne, David J Gagnon, Richard R Riker, David B Seder, Elizabeth K Glisic, Jane G Morris, Gilles L Fraser
BACKGROUND: Cefepime is a widely used antibiotic with neurotoxicity attributed to its ability to cross the blood-brain barrier and exhibit concentration-dependent ϒ-aminobutyric acid (GABA) antagonism. Neurotoxic symptoms include depressed consciousness, encephalopathy, aphasia, myoclonus, seizures, and coma. Data suggest that up to 15% of ICU patients treated with cefepime may experience these adverse effects. Risk factors include renal dysfunction, excessive dosing, preexisting brain injury, and elevated serum cefepime concentrations...
November 14, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29121573/rufinamide-crystal-structure-elucidation-and-solid-state-characterization
#19
Nita Salunke, Rajesh Thipparaboina, Rahul B Chavan, Anurag Lodagekar, Sudhir Mittapalli, Ashwini Nangia, Nalini R Shastri
Rufinamide (R) is a triazole derivative approved for the management of partial seizures and seizures associated with Lennox-Gastaut Syndrome, in November 2007. Crystal structure, solid state characterization, drug-excipient compatibility and solubility play a pivotal role in formulation development. This work deals with the crystal structure elucidation of R by single crystal X-ray diffraction and solid state characterization by thermal, spectroscopic and crystallographic techniques. Drug- excipient compatibility was assessed by differential scanning calorimetry (DSC)...
November 6, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29111303/in-vitro-characteristics-of-endothelial-cells-prepared-from-human-cerebral-arteriovenous-malformation-lesions-using-a-novel-method
#20
Q Hao, X L Chen, L Ma, X Ye, H Wang, T T Wang, Y Hu, Y L Zhao
BACKGROUND AND PURPOSE: The cerebral arteriovenous malformation (cAVM) is a usual and continually unaware reason of heamorrhage and seizure. It contains of feeder arteries, drain veins and abnormal vessel nets. However, pathologic mechanisms of the development of cAVM are unknown. The purpose of this study was to explore a novel protocol to isolate, culture and passage endothelial cells (ECs) from human cAVM lesions. METHODS: We developed a protocol for isolating and growing ECs from eight patients with cAVM...
October 28, 2017: Microvascular Research
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