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https://www.readbyqxmd.com/read/28632525/clozapine-safety-and-efficacy-for-interictal-psychotic-disorder-in-pharmacoresistant-epilepsy
#1
Vincent Jetté Pomerleau, François Dubeau, Simon Ducharme
Since the middle of the 19th century, both neurologists and psychiatrists have linked psychosis and epilepsy. Clozapine, the most effective antipsychotic drug, alters electroencephalographic activity and carries a significant risk of causing seizures. Unfortunately, this risk limits the drug's potential use in treating pharmacoresistant psychosis in patients with epilepsy. We present a unique case in which we used clozapine successfully as a last resort treatment for chronic interictal psychosis in a 43-year-old woman with severe pharmacoresistant epilepsy and recurrent status epilepticus...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28629473/emergency-treatment-with-levetiracetam-or-phenytoin-in-status-epilepticus-in-children-the-eclipse-study-study-protocol-for-a-randomised-controlled-trial
#2
Mark D Lyttle, Carrol Gamble, Shrouk Messahel, Helen Hickey, Anand Iyer, Kerry Woolfall, Amy Humphreys, Naomi E A Bacon, Louise Roper, Franz E Babl, Stuart R Dalziel, Mary Ryan, Richard E Appleton
BACKGROUND: Convulsive status epilepticus (CSE) is the most common life-threatening neurological emergency in childhood. These children are also at risk of significant morbidity, with acute and chronic impact on the family and the health and social care systems. The current recommended first-choice, second-line treatment in children aged 6 months and above is intravenous phenytoin (fosphenytoin in the USA), although there is a lack of evidence for its use and it is associated with significant side effects...
June 19, 2017: Trials
https://www.readbyqxmd.com/read/28628018/autoimmune-limbic-encephalitis-case-reports
#3
K Kobaidze, A Harrison, Y Burklin, V Patidar, M Riccardi
Limbic encephalitis (LE) is an autoimmune or paraneoplastic disease that affects the medial temporal lobes. The patient will usually present with cognitive impairment, psychiatric changes, and seizures. Autoimmune limbic encephalitis (LE) is a challenging diagnosis as it is not always included in the typical paraneoplastic/autoimmune panels. Anti-GAD antibodies are associated with various disease including type I diabetes mellitus, various autoimmune processes, some neoplastic and infectious diseases. Thus, it is not as specific as some of the antibodies causing LE...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28627626/hmgb1-regulates-p-glycoprotein-expression-in-status-epilepticus-rat-brains-via-the-rage-nf-%C3%AE%C2%BAb-signaling-pathway
#4
Yuan Xie, Nian Yu, Yan Chen, Kang Zhang, Hai-Yan Ma, Qing Di
Overexpression of P-glycoprotein (P-gp) in the brain is an important mechanism involved in drug‑resistant epilepsy (DRE). High-mobility group box 1 (HMGB1), an inflammatory cytokine, significantly increases following seizures and may be involved in upregulation of P‑gp. However, the underlying mechanisms remain elusive. The aim of the present study was to evaluate the role of HMGB1 and its downstream signaling components, receptor for advanced glycation end‑product (RAGE) and nuclear factor‑κB (NF‑κB), on P‑gp expression in rat brains during status epilepticus (SE)...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627014/review-article-paediatric-status-epilepticus-in-the-pre-hospital-setting-an-update
#5
REVIEW
Jeremy Furyk, Kerriane Watt, Theophilus I Emeto, Stuart Dalziel, Daniel Bodnar, Kate Riney, Franz E Babl
Paediatric status epilepticus (SE) is a medical emergency and a common critical condition confronting pre-hospital providers. Management in the pre-hospital environment is challenging but considered extremely important as a potentially modifiable factor on outcome. Recent data from multicentre clinical trials, quality observational studies and consensus documents have influenced management in this area, and is important to both pre-hospital providers and emergency physicians. The objective of this review was to: (i) present an overview of the available evidence relevant to pre-hospital care of paediatric SE; and (ii) assess the current pre-hospital practice guidelines in Australia and New Zealand...
June 18, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28624573/plasticity-of-intrinsic-firing-response-gain-in-principal-hippocampal-neurons-following-pilocarpine-induced-status-epilepticus
#6
Idit Tamir, Moshe Daninos, Yoel Yaari
OBJECTIVE: In experimental models of temporal lobe epilepsy (TLE), brain neurons manifest multiple changes in intrinsic excitability that contribute to neuronal network hyperexcitability. We have investigated whether the intrinsic firing response gain, quantified by the slope of the function relating the number of evoked spikes (Ns) to input excitatory current intensity (I), is modified in principal rat hippocampal neurons in the pilocarpine-status epilepticus (SE) model of TLE. METHODS: Intracellular recordings were made in CA3 and CA1 pyramidal cells (PCs) and dentate granule cells (GCs) in acute hippocampal slices obtained 7-36 days after pilocarpine-SE...
June 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28624183/the-neuroprotective-effect-of-perampanel-in-lithium-pilocarpine-rat-seizure-model
#7
Ting Wu, Katsutoshi Ido, Yoshihide Osada, Sadaharu Kotani, Akira Tamaoka, Takahisa Hanada
PURPOSE: Status epilepticus (SE) causes irreversible neurodegeneration if not terminated quickly. Perampanel (PER), a potent AMPA receptor antagonist, has previously been shown to terminate seizures in the lithium-pilocarpine SE model. In the present study, we assessed whether PER would also prevent neuronal damage in this model. METHODS: SE was induced in rats using lithium chloride and pilocarpine. Initiation of SE was defined as continuous seizures that exhibited as rearing accompanied by bilateral forelimb clonus (Racine score 4)...
June 14, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28622537/intravenous-lacosamide-in-status-epilepticus-correlation-between-loading-dose-serum-levels-and-clinical-response
#8
Matthieu Perrenoud, Pascal André, Vincent Alvarez, Christine Stähli, Laurent A Decosterd, Andrea O Rossetti, Jan Novy
INTRODUCTION: Intravenous lacosamide (LCM) is increasingly used in the treatment of status epilepticus (SE), but optimal loading dose and target serum levels are unclear. We analysed the correlation between LCM serum levels after intravenous loading dose and clinical response. MATERIALS AND METHODS: Retrospective study in two centres from December 2014 to May 2016 including consecutive SE patients treated with LCM, in which trough serum levels after intravenous loading dose were available...
May 20, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28622133/mirror-image-video-artifact-an-under-reported-digital-video-eeg-artifact
#9
Michael A Babcock, William H Levis, Amar B Bhatt
Synchronous video recording can be helpful in EEG recordings, especially in recognition of seizures and in rejection of artifacts. However, video recordings themselves are also subject to the risk of contamination by artifacts. We report a unique case in which a digital video artifact was identified, occurring during synchronous video-EEG recording, albeit independently of the EEG tracing itself. A synchronous digital video-EEG recording was performed on a 67-year-old male who presented in focal motor status epilepticus...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28620949/nonintravenous-rescue-medications-for-pediatric-status-epilepticus-a-cost-effectiveness-analysis
#10
Iván Sánchez Fernández, Marina Gaínza-Lein, Tobias Loddenkemper
OBJECTIVE: To quantify the cost-effectiveness of rescue medications for pediatric status epilepticus: rectal diazepam, nasal midazolam, buccal midazolam, intramuscular midazolam, and nasal lorazepam. METHODS: Decision analysis model populated with effectiveness data from the literature and cost data from publicly available market prices. The primary outcome was cost per seizure stopped ($/SS). One-way sensitivity analyses and second-order Monte Carlo simulations evaluated the robustness of the results across wide variations of the input parameters...
June 16, 2017: Epilepsia
https://www.readbyqxmd.com/read/28616386/extreme-delta-brush-evolving-into-status-epilepticus-in-a-patient-with-anti-nmda-encephalitis
#11
Aline Herlopian, Eric S Rosenthal, Catherine J Chu, Andrew J Cole, Aaron F Struck
Extreme delta brush (EDB) is an EEG pattern unique to anti-NMDA encephalitis. It is correlated with seizures and status epilepticus in patients who have a prolonged course of illness. The etiology of the underlying association between EDB and seizures is not understood. We present a patient with anti-NMDA encephalitis who developed status epilepticus evolving from the high frequency activity of the extreme delta brush. This case demonstrates that EDB is not only a marker for a greater propensity for seizures but also directly implicated in seizure generation...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28615900/predictors-of-outcome-in-children-with-status-epilepticus-during-resuscitation-in-pediatric-emergency-department-a-retrospective-observational-study
#12
Indumathy Santhanam, Sangeetha Yoganathan, V Akila Sivakumar, Rubini Ramakrishnamurugan, Sharada Sathish, Murali Thandavarayan
OBJECTIVES: To study the clinical profile and predictors of outcome in children with status epilepticus (SE) during resuscitation in pediatric emergency department. MATERIALS AND METHODS: This retrospective study was carried out in a tertiary care teaching hospital. Admission and resuscitation data of children, aged between 1 month and 12 years, treated for SE, between September 2013 and August 2014, were extracted using a standard data collection form. Our SE management protocol had employed a modified pediatric assessment triangle to recognize and treat acute respiratory failure, cardiovascular dysfunction (CD), and subtle SE until all parameters resolved...
April 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28615895/study-of-refractory-status-epilepticus-from-a-tertiary-care-center
#13
Sahil Kohli, Suresh Babu Pasangulapati, Sangeetha Yoganathan, Gideon Lyngsyun Rynjah, A T Prabhakar, Sanjith Aaron, Mathew Alexander, Vivek Mathew
OBJECTIVES: To determine the proportion of refractory status epilepticus (RSE) and super-RSE (SRSE) among patients with status epilepticus (SE) and to analyze RSE and non-RSE (NRSE) in terms of etiology and predictors for RSE. MATERIALS AND METHODS: Patients were identified from discharge summaries database with keywords of SE and records of the portable electroencephalogram (EEG) machine from January 2011 to March 2016. RESULTS: Two hundred and eighteen events were included in the study with 114 (52...
April 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28612538/-risk-factors-and-prognosis-of-secondary-epilepsy-in-children-with-viral-encephalitis
#14
Liang Huang, Dan Yu, Rong Luo, Min Li, Hui Zhou, Xiao-Tang Cai, Zhi-Ling Wang
OBJECTIVES: To investigate the clinical features of viral encephalitis in children at acute stage, and the relationship of these clinical features with post viral encephalitic epilepsy. METHODS: The children with viral encephalitis treated in West China Second University Hospital between January 2010 and January 2014 were enrolled. The clinical features included general conditions, clinical manifestations, video electroencephalogram (VEEG), neuroimaging, virology, prognosis and antiepileptic drugs...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28608989/seizure-severity-dependent-selective-vulnerability-of-the-granule-cell-layer-and-aberrant-neurogenesis-in-the-rat-hippocampus
#15
Takeshi Uemori, Keiko Toda, Tatsunori Seki
The pilocarpine-induced status epilepticus (SE) rodent model has been commonly used to analyze the mechanisms of human temporal lobe epilepsy. Recent studies using this model have demonstrated that epileptic seizures lead to increased adult neurogenesis of the dentate granule cells, and cause abnormal cellular organization in dentate neuronal circuits. In this study, we examined these structural changes in rats with seizures of varying severity. In rats with frequent severe seizures, we found a clear loss of Prox1 and NeuN expression in the dentate granule cell layer (GCL), which was confined mainly to the suprapyramidal blade of the GCL at the septal and middle regions of the septo-temporal axis of the hippocampus...
June 13, 2017: Hippocampus
https://www.readbyqxmd.com/read/28607431/cerebrospinal-fluid-micrornas-are-potential-biomarkers-of-temporal-lobe-epilepsy-and-status-epilepticus
#16
Rana Raoof, Eva M Jimenez-Mateos, Sebastian Bauer, Björn Tackenberg, Felix Rosenow, Johannes Lang, Müjgan Dogan Onugoren, Hajo Hamer, Tessa Huchtemann, Peter Körtvélyessy, Niamh M C Connolly, Shona Pfeiffer, Jochen H M Prehn, Michael A Farrell, Donncha F O'Brien, David C Henshall, Catherine Mooney
There is a need for diagnostic biomarkers of epilepsy and status epilepticus to support clinical examination, electroencephalography and neuroimaging. Extracellular microRNAs may be potentially ideal biomarkers since some are expressed uniquely within specific brain regions and cell types. Cerebrospinal fluid offers a source of microRNA biomarkers with the advantage of being in close contact with the target tissue and sites of pathology. Here we profiled microRNA levels in cerebrospinal fluid from patients with temporal lobe epilepsy or status epilepticus, and compared findings to matched controls...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28601633/leptomycin-b-attenuates-neuronal-death-via-pka-and-pp2b-mediated-erk1-2-activation-in-the-rat-hippocampus-following-status-epilepticus
#17
Su-Ji Min, Hye-Won Hyun, Tae-Cheon Kang
Leptomycin B (LMB), originally developed as an anti-fungal agent, has potent neuroprotective properties against status epilepticus (SE, a prolonged seizure activity). However, the pharmacological profiles and mechanisms of LMB for neuroprotection remain elusive. In the present study, we found that LMB increased phosphorylation levels of protein kinase A (PKA) catalytic subunits, protein phosphatase 2B (PP2B, calcineurin) and extracellular signal-regulated kinase 1/2 (ERK1/2) under normal condition, and abolished SE-induced neuronal death...
June 7, 2017: Brain Research
https://www.readbyqxmd.com/read/28600359/ictal-pain-in-focal-non-convulsive-status-epilepticus
#18
Sara Casciato, Alessandra Morano, Jinane Fattouch, Martina Fanella, Mariarita Albini, Anna Teresa Giallonardo, Carlo Di Bonaventura
We report an adult with acute unilateral pain as isolated manifestation of acute symptomatic focal non-convulsive status epilepticus. Pain is rarely a manifestation of epileptic seizures. Traditionally, painful seizures have been thought to originate in either the parietal or temporal lobes, but their localising value is debatable. Recent functional neuroimaging studies and electrophysiological findings obtained by using intracerebral recordings have shown the involvement of the insular cortex along with several other brain structures in the processing of painful inputs, comprising a more widespread anatomo-functional network...
June 9, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28597913/inherent-vulnerabilities-in-monoaminergic-pathways-predict-the-emergence-of-depressive-impairments-in-an-animal-model-of-chronic-epilepsy
#19
Jesús-Servando Medel-Matus, Don Shin, Raman Sankar, Andrey Mazarati
The objective was to determine whether the depression comorbid with epilepsy could be predicted based on inherent premorbid patterns of monoaminergic transmission. In male Wistar rats, despair-like and anhedonia-like behaviors were examined using forced swimming and taste preference tests, respectively. Serotonergic raphe nucleus (RN)-prefrontal cortex (PFC) and dopaminergic ventral tegmental area (VTA)-nucleus accumbens (NAcc) pathways were interrogated by fast scan cyclic voltammetry (FSCV). The assays were performed before and 2 months after pilocarpine status epilepticus...
June 9, 2017: Epilepsia
https://www.readbyqxmd.com/read/28597912/acute-and-long-term-effects-of-brivaracetam-and-brivaracetam-diazepam-combinations-in-an-experimental-model-of-status-epilepticus
#20
Jerome Niquet, Lucie Suchomelova, Kerry Thompson, Henrik Klitgaard, Alain Matagne, Claude Wasterlain
OBJECTIVE: To evaluate acute and long-term effects of intravenous brivaracetam (BRV) and BRV + diazepam (DZP) combination treatment in a rat model of self-sustaining status epilepticus (SSSE). METHODS: Rats were treated with BRV (10 mg/kg) 10 min after initiation of perforant path stimulation (PPS) as early treatment; or BRV (10-300 mg/kg), DZP (1 mg/kg), or BRV (0.3-10 mg/kg) + DZP (1 mg/kg) 10 min after the end of PPS (established SSSE). Seizure activity was recorded electrographically for 24 h posttreatment (acute effects), and for 1 week at 6-8 weeks or 12 months' posttreatment (long-term effects)...
June 9, 2017: Epilepsia
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