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Non convulsive status epilepticus

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https://www.readbyqxmd.com/read/29455222/encephalopathy-mimicking-non-convulsive-status-epilepticus
#1
Ramachandiran Nandhagopal, Fathiya Al-Murshedi, Mujahid Al-Busaidi, Amna Al-Busaidi
Primary hyperammonemic encephalopathy due to urea cycle disorders (UCD) typically manifests with episodic unresponsiveness and this clinical entity is not often included in the differential diagnosis of presumed non-convulsive status epilepticus (NCSE). However, this diagnostic consideration has therapeutic implications. In this report, we document the therapeutic importance of elucidating the specific cause of hyperammonemic encephalopathy that closely mimicked NCSE through 2 unique illustrative cases.
January 2018: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/29430560/epilepsy-is-associated-with-ventricular-alterations-following-convulsive-status-epilepticus-in-children
#2
Wail Ali, Beth A Bubolz, Linh Nguyen, Danny Castro, Jorge Coss-Bu, Michael M Quach, Curtis E Kennedy, Anne E Anderson, Yi-Chen Lai
Objective: Convulsive status epilepticus can exert profound cardiovascular effects in adults including ventricular depolarization-repolarization abnormalities. Whether status epilepticus adversely affects ventricular electrical properties in children is less understood. Therefore, we sought to characterize ventricular alterations and the associated clinical factors in children following convulsive status epilepticus. Methods: We conducted a 2-year retrospective, case-control study...
December 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29368126/pharmacotherapy-for-refractory-and-super-refractory-status-epilepticus-in-adults
#3
Martin Holtkamp
Patients with prolonged seizures that do not respond to intravenous benzodiazepines and a second-line anticonvulsant suffer from refractory status epilepticus and those with seizures that do not respond to continuous intravenous anesthetic anticonvulsants suffer from super-refractory status epilepticus. Both conditions are associated with significant morbidity and mortality. A strict pharmacological treatment regimen is urgently required, but the level of evidence for the available drugs is very low. Refractory complex focal status epilepticus generally does not require anesthetics, but all intravenous non-anesthetizing anticonvulsants may be used...
January 24, 2018: Drugs
https://www.readbyqxmd.com/read/29344469/successful-use-of-therapeutic-hypothermia-for-refractory-nonconvulsive-status-epilepticus
#4
Do-Hyung Kim, Hye-Hoon Kang, Minjung Kim, Tae-Won Yang, Oh-Young Kwon, Jung Sook Yeom, Bong Su Kang, Yong Hwan Kim, Young-Soo Kim
Therapeutic hypothermia (TH) has rarely been utilized as an adjunct to anticonvulsants in treating patients with refractory convulsive status epilepticus (CSE). However, determining the effectiveness of TH in CSE is difficult due to the unavoidable use of sedative drugs to manage hypothermia. Additionally, the effectiveness of TH has not been studied in patients with refractory non-convulsive status epilepticus (NCSE). Here, we report the successful use of TH without additional sedative drugs in a patient with temporal lobe epilepsy and refractory NCSE...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29320603/drug-management-for-acute-tonic-clonic-convulsions-including-convulsive-status-epilepticus-in-children
#5
REVIEW
Amy McTague, Timothy Martland, Richard Appleton
BACKGROUND: Tonic-clonic convulsions and convulsive status epilepticus (currently defined as a tonic-clonic convulsion lasting at least 30 minutes) are medical emergencies and require urgent and appropriate anticonvulsant treatment. International consensus is that an anticonvulsant drug should be administered for any tonic-clonic convulsion that has been continuing for at least five minutes. Benzodiazepines (diazepam, lorazepam, midazolam) are traditionally regarded as first-line drugs and phenobarbital, phenytoin and paraldehyde as second-line drugs...
January 10, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29226310/long-term-behavioural-outcomes-after-paediatric-convulsive-status-epilepticus-a-population-based-cohort-study
#6
Marina M Martinos, Suresh Pujar, Christopher Gillberg, Mario Cortina-Borja, Brian G R Neville, Michelle De Haan, Rod C Scott, Richard F M Chin
AIM: To describe behavioural and psychiatric outcomes of children within 10 years of convulsive status epilepticus (CSE). METHOD: Children originally identified by the population-based North London Convulsive Status Epilepticus in Childhood Surveillance Study were followed-up between July 2009 and February 2013. They were grouped into epilepsy- and non-epilepsy-related CSE, and compared with population norms and healthy controls using the Strengths and Difficulties Questionnaire; the Autism Spectrum Screening Questionnaire; and the Swanson, Nolan, and Pelham questionnaire...
December 10, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29197620/role-of-the-fyn-pkc%C3%AE-signaling-in-se-induced-neuroinflammation-and-epileptogenesis-in-experimental-models-of-temporal-lobe-epilepsy
#7
Shaunik Sharma, Steven Carlson, Sreekanth Puttachary, Souvarish Sarkar, Lucas Showman, Marson Putra, Anumantha G Kanthasamy, Thimmasettappa Thippeswamy
Status epilepticus (SE) induces neuroinflammation and epileptogenesis, but the mechanisms are not yet fully delineated. The Fyn, a non-receptor Src family of tyrosine kinase (SFK), and its immediate downstream target, PKCδ are emerging as potential mediators of neuroinflammation. In order to first determine the role of Fyn kinase signaling in SE, we tested the efficacy of a SFK inhibitor, saracatinib (25mg/kg, oral) in C57BL/6J mouse kainate model of acute seizures. Saracatinib pretreatment dampened SE severity and completely prevented mortality...
November 29, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/29137682/cefepime-induced-neurotoxicity-a-systematic-review
#8
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/29125945/periodic-eeg-patterns-in-sporadic-creutzfeld-jakob-disease-can-be-benzodiazepine-responsive-and-be-difficult-to-distinguish-from-non-convulsive-status-epilepticus
#9
Justus Marquetand, Susanne Knake, Adam Strzelczyk, Bernhard J Steinhoff, Holger Lerche, Matthis Synofzik, Niels K Focke
PURPOSE: Periodic discharges in EEG and a history of rapidly progressive dementia are known to be associated with sporadic Creutzfeld-Jakob Disease (sCJD). Doubts regarding this rare but fatal diagnosis can arise, when episodic symptoms (seizures, psychiatric features, speech disturbances) are present and the EEG shows epileptiform discharges within this periodicity. This scenario may indicate non-convulsive status epilepticus (NCSE), which is - in contrast to sCJD - a treatable and frequent condition...
December 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29123833/clinical-characteristics-of-non-convulsive-status-epilepticus-diagnosed-by-simplified-continuous-electroencephalogram-monitoring-at-an-emergency-intensive-care-unit
#10
Satoshi Egawa, Toru Hifumi, Kenya Kawakita, Arisa Manabe, Ryuta Nakashima, Hikari Matsumura, Tomoya Okazaki, Hideyuki Hamaya, Natsuyo Shinohara, Hajime Shishido, Koshiro Takano, Yuko Abe, Masanobu Hagiike, Yuichi Kubota, Yasuhiro Kuroda
Aim: The present study aimed to elucidate the clinical characteristics of non-convulsive status epilepticus (NCSE) in patients with altered mental status (AMS). Methods: This single-center retrospective study comprised 149 patients who were hospitalized between March 1, 2015 and September 30, 2015 at the emergency intensive care unit (ICU) of the Kagawa University Hospital (Kagawa, Japan). The primary outcome was NCSE incidence. The secondary outcome was the comparison of duration of ICU stay, hospital stay, and a favorable neurological outcome, as assessed using the modified Rankin Scale score, at discharge from our hospital between patients with and without NCSE...
January 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29111005/impact-of-non-guideline-based-treatment-of-status-epilepticus
#11
James Braun, Elizabeth Gau, Stacy Revelle, Laurie Byrne, Abhay Kumar
BACKGROUND: This retrospective study analyzed benzodiazepine usage patterns in relation to guideline recommendations for the treatment of generalized convulsive status epilepticus (GCSE) as practiced by emergency medical services (EMS) and the emergency department (ED) of an inner-city hospital. Secondary outcomes of interest were adverse events and admission/discharge outcomes. METHODS: Records of all patients≥18years old diagnosed with GCSE between June 2012 and September 2015 and transported by EMS to our hospital ED were reviewed...
November 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29108660/usefulness-of-electroencephalography-for-the-management-of-epilepsy-in-emergency-departments
#12
A Viloria Alebesque, A López Bravo, E Bellosta Diago, S Santos Lasaosa, J A Mauri Llerda
INTRODUCTION: Electroencephalography (EEG) is an essential diagnostic tool in epilepsy. Its use in emergency departments (ED) is usually restricted to the diagnosis and management of non-convulsive status epilepticus (NCSE). However, EDs may also benefit from EEG in the context of other situations in epilepsy. METHODS: We conducted a retrospective observational study using the clinical histories of patients treated at our hospital's ED for epileptic seizures and suspicion of NCSE and undergoing EEG studies in 2015 and 2016...
November 3, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/29104261/neurochemical-changes-and-c-fos-mapping-in-the-brain-after-carisbamate-treatment-of-rats-subjected-to-lithium-pilocarpine-induced-status-epilepticus
#13
José Eduardo Marques-Carneiro, Astrid Nehlig, Jean-Christophe Cassel, Eduardo Ferreira Castro-Neto, Julia Julie Litzahn, Anne Pereira de Vasconcelos, Maria da Graça Naffah-Mazacoratti, Maria José da Silva Fernandes
The administration of lithium-pilocarpine (LiPilo) in adult rats is a validated model reproducing the main clinical and neuropathological features of temporal lobe epilepsy (TLE). Previous studies have shown that carisbamate (CRS) has the property of modifying epileptogenesis in this model. When treated with CRS, about 50% of rats undergoing LiPilo status epilepticus (SE) develop non-convulsive seizures (NCS) instead of convulsive ones (commonly observed in TLE). The goal of this work was to determine some of the early changes that occur after CRS administration, as they could be involved in the insult- and epileptogenesis-modifying effects of CRS...
November 1, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28963934/factors-associated-with-occurrence-and-outcome-of-super-refractory-status-epilepticus
#14
Dominik Madžar, Ruben U Knappe, Caroline Reindl, Antje Giede-Jeppe, Maximilian I Sprügel, Vanessa Beuscher, Stephanie Gollwitzer, Hajo M Hamer, Hagen B Huttner
PURPOSE: Super-refractory status epilepticus (SRSE) represents a challenging medical condition with high morbidity and mortality. In this study, we aimed to establish variables related to SRSE development and outcome. METHODS: We retrospectively screened our databases for refractory SE (RSE) and SRSE episodes between January 2001 and January 2015. Baseline demographics, SE characteristics, and variables reflecting the clinical course were compared in order to identify factors independently associated with SRSE occurrence...
November 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28942441/the-clinical-characteristics-and-prognostic-analysis-of-status-epilepticus-in-northeast-china
#15
Lichao Sun, Chuntao Han, Weihong Lin
OBJECTIVE: Status epilepticus (SE) is a neurological emergency that may cause severe neurological deficiency and even death. The aim of this study was to analyze the clinical characteristics and prognosis of SE in northeast China. Additionally, the etiology and classification are discussed. MATERIALS AND METHODS: We retrospectively collected the clinical profiles of patients diagnosed with SE in the Epilepsy Center of Jilin University between January 2011 and May 2015...
September 22, 2017: European Neurology
https://www.readbyqxmd.com/read/28872451/incidence-of-seizure-in-stroke-patients-treated-with-recombinant-tissue-plasminogen-activator-a-systematic-review-and-meta-analysis
#16
Alain Lekoubou, Jean Joël Awoumou, André Pascal Kengne
Background Recombinant tissue plasminogen activator is the only FDA-approved thrombolytic agent for acute stroke treatment. However, there are concerns that recombinant tissue plasminogen activator may increase the risk of seizures (including early and late seizures). Aims We performed a systematic review to assess the incidence of seizures and the association of recombinant tissue plasminogen activator with seizure occurrence. Summary of review We searched major databases for articles published between 1995 and February 2016...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28843069/new-onset-status-epilepticus-in-older-patients-clinical-characteristics-and-outcome
#17
M P Malter, R D Nass, T Kaluschke, G R Fink, L Burghaus, C Dohmen
PURPOSE: We here evaluated (1) the differential characteristics of status epilepticus (SE) in older (≥60 years) compared to younger adults (18-59 years). In particular, we were interested in (2) the proportion and characteristics of new onset SE in patients with no history of epilepsy (NOSE) in older compared to younger adults, and (3) predictive parameters for clinical outcome in older subjects with NOSE. METHODS: We performed a monocentric retrospective analysis of all adult patients (≥18years) admitted with SE to our tertiary care centre over a period of 10 years (2006-2015) to evaluate clinical characteristics and short-time outcome at discharge...
October 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28829210/an-update-on-the-recognition-and-treatment-of-non-convulsive-status-epilepticus-in-the-intensive-care-unit
#18
Michael O Kinney, Peter W Kaplan
Non-convulsive status epilepticus (NCSE) is a complex and diverse condition which is often an under-recognised entity in the intensive care unit. When NCSE is identified the optimal treatment strategy is not always clear. Areas covered: This review is based on a literature review of the key literature in the field over the last 5-10 years. The articles were selected based on their importance to the field by the authors. Expert commentary: This review discusses the complex situations when a neurological consultation may occur in a critical care setting and provides an update on the latest evidence regarding the recognition of NCSE and the decision making around determining the aggressiveness of treatment...
October 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28808783/post-stroke-seizures-are-clinically-underestimated
#19
Carla Bentes, Hugo Martins, Ana Rita Peralta, Carlos Casimiro, Carlos Morgado, Ana Catarina Franco, Ana Catarina Fonseca, Ruth Geraldes, Patrícia Canhão, Teresa Pinho E Melo, Teresa Paiva, José M Ferro
Cerebrovascular disease is the leading cause of epilepsy in adults, although post-stroke seizures reported frequency is variable and few studies used EEG in their identification. To describe and compare EEG and clinical epileptic manifestations frequency in patients with an anterior circulation ischaemic stroke. Prospective study of acute anterior circulation ischaemic stroke patients, consecutively admitted to a Stroke Unit over 24 months and followed-up for 1 year. All patients underwent standardized clinical and diagnostic assessment...
September 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28758946/hippocampal-proteome-of-rats-subjected-to-the-li-pilocarpine-epilepsy-model-and-the-effect-of-carisbamate-treatment
#20
José Eduardo Marques-Carneiro, Daniele Suzete Persike, Julia Julie Litzahn, Jean-Christophe Cassel, Astrid Nehlig, Maria José da Silva Fernandes
In adult rats, the administration of lithium-pilocarpine (LiPilo) reproduces most clinical and neuropathological features of human temporal lobe epilepsy (TLE). Carisbamate (CRS) possesses the property of modifying epileptogenesis in this model. Indeed, about 50% of rats subjected to LiPilo status epilepticus (SE) develop non-convulsive seizures (NCS) instead of motor seizures when treated with CRS. However, the mechanisms underlying these effects remain unknown. The aim of this study was to perform a proteomic analysis in the hippocampus of rats receiving LiPilo and developing motor seizures or NCS following CRS treatment...
July 30, 2017: Pharmaceuticals
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