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Status epilepticus

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https://www.readbyqxmd.com/read/27915186/role-of-the-purinergic-signaling-in-epilepsy
#1
REVIEW
Marek Cieślak, Andrzej Wojtczak, Michał Komoszyński
Adenine nucleotides and adenosine are signaling molecules that activate purinergic receptors P1 and P2. Activation of A1 adenosine receptors has an anticonvulsant action, whereas activation of A2A receptors might initiate seizures. Therefore, a significant limitation to the use of A1 receptor agonists as drugs in the CNS might be their peripheral side effects. The anti-epileptic activity of adenosine is related to its increased concentration outside the cell. This increase might result from the inhibition of the equilibrative nucleoside transporters (ENTs)...
September 22, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27907959/status-epilepticus-in-the-intensive-care-unit
#2
Adriana Bermeo-Ovalle, Thomas Bleck
Status epilepticus (SE) is a common neurologic emergency and a frequent reason for admission to the intensive care unit. During the last decade, the advent and availability of diagnostic tools for the recognition of nonconvulsive SE has highlighted an even higher incidence of this condition among the critically ill. New alternatives in treatment have also become available within recent years. The recommendation of early escalation toward the use of general anesthetics in the treatment of convulsive SE follows the theory that the duration of the event defines the aggressiveness of the condition and the potential for long-term neuronal injury...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907953/management-of-the-pediatric-neurocritical-care-patient
#3
Christopher M Horvat, Haifa Mtaweh, Michael J Bell
Pediatric neurocritical care is a growing subspecialty of pediatric intensive care that focuses on the management of acute neurological diseases in children. A brief history of the field of pediatric neurocritical care is provided. Neuromonitoring strategies for children are reviewed. Management of major categories of acute childhood central neurologic diseases are reviewed, including treatment of diseases associated with intracranial hypertension, seizures and status epilepticus, stroke, central nervous system infection and inflammation, and hypoxic-ischemic injury...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27905510/remarkable-alterations-of-nav1-6-in-reactive-astrogliosis-during-epileptogenesis
#4
Hongyan Zhu, Yuxiao Zhao, Hao Wu, Nan Jiang, Ziyi Wang, Weide Lin, Jiahui Jin, Yonghua Ji
Voltage-gated sodium channels (VGSCs) play a vital role in controlling neuronal excitability. Nav1.6 is the most abundantly expressed VGSCs subtype in the adult central nervous system and has been found to contribute to facilitate the hyperexcitability of neurons after electrical induction of status epilepticus (SE). To clarify the exact expression patterns of Nav1.6 during epileptogenesis, we examined the expression of Nav1.6 at protein and mRNA levels in two distinct animal models of temporal lobe epilepsy (TLE) including a post-SE model induced by kainic acid (KA) intrahippocampal injection and a kindling model evoked by pentylenetetrazole (PTZ)...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904066/erratum-a-case-of-cefepime-encephalopathy-being-difficult-to-distinguish-from-non-convulsive-status-epilepticus-during-the-treatment-of-bacterial-meningitis
#5
(no author information available yet)
No abstract text is available yet for this article.
2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27903813/abnormal-neurovascular-coupling-during-status-epilepticus-migrainosus-in-sturge-weber-syndrome
#6
Moksh Sethi, Magdalena A Kowalczyk, Linda J Dalic, John S Archer, Graeme D Jackson
No abstract text is available yet for this article.
November 30, 2016: Neurology
https://www.readbyqxmd.com/read/27901260/aliocha-dostoevski-s-death-during-an-epileptic-seizure
#7
Edson José Amâncio, Pedro André Kowacs, Bruno Toshio Takeshita, Fábio Augusto Nascimento, Hélio Afonso Ghizoni Teive
Mortality due to epilepsy is of great concern worldwide. Individuals with epilepsy have a two- or three-fold risk of death when compared to the general population. Based on biographical data and Anna Grigoriévna Dostoevskaia's memories, the authors concluded that a prolonged episode of status epilepticus was the culprit in the death of young Aliocha, youngest son of Fyodor Mikhailovich and Anna Dostoevski. At the time of Aliocha's death, very limited knowledge about epilepsy or therapeutic resources was available...
November 2016: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/27896706/anesthetics-and-outcome-in-status-epilepticus-a-matched-two-center-cohort-study
#8
Raoul Sutter, Gian Marco De Marchis, Saskia Semmlack, Peter Fuhr, Stephan Rüegg, Stephan Marsch, Wendy C Ziai, Peter W Kaplan
BACKGROUND: The use of anesthetics has been linked to poor outcome in patients with status epilepticus (SE). This association, however, may be confounded, as anesthetics are mostly administered in patients with more severe SE and critical illnesses. OBJECTIVE: To minimize treatment-selection bias, we assessed the association between continuously administered intravenous anesthetic drugs (IVADs) and outcome in SE patients by a matched two-center study design. METHODS: This cohort study was performed at the Johns Hopkins Bayview Medical Center, Baltimore, MD, USA and the University Hospital Basel, Basel, Switzerland...
November 29, 2016: CNS Drugs
https://www.readbyqxmd.com/read/27894945/successful-treatment-of-refractory-status-epilepticus-using-anterior-thalamic-nuclei-deep-brain-stimulation
#9
Ching-Yi Lee, Siew-Na Lim, Tony Wu, Shih-Tseng Lee
BACKGROUND: Refractory status epilepticus(RSE) is considered a medical emergency in neurology and is related to a high mortality rate. We report a successfully treated case of RSE using deep brain stimulation (DBS) at the anterior thalamic nuclei (ATN). METHOD: Report concerning the resolution of RSE after DBS of the ATN in a 17-year-old woman RESULT: This patient developed RSE due to progressive seizure activity. RSE with generalized tonic-clonic seizures was noted two weeks prior to admission...
November 25, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27893511/continuous-infusion-antiepileptic-medications-for-refractory-status-epilepticus-a-review-for-nurses
#10
Adam L Wiss, Michael Samarin, Jacob Marler, G Morgan Jones
Status epilepticus requires treatment with emergent initial therapy with a benzodiazepine and urgent control therapy with an additional antiepileptic drug (AED) to terminate clinical and/or electrographic seizure activity. However, nearly one-third of patients will prove refractory to the aforementioned therapies and are prone to a higher degree of neuronal injury, resistance to pharmacotherapy, and death. Current guidelines for refractory status epilepticus (RSE) recommend initiating a continuous intravenous (CIV) anesthetic over bolus dosing with a different AED...
January 2017: Critical Care Nursing Quarterly
https://www.readbyqxmd.com/read/27890882/a-case-of-brugada-syndrome-which-developed-status-epilepticus
#11
Misa Matsui, Kimiko Inoue, Harutoshi Fujimura, Saburo Sakoda
A 35-year-old man showed a convulsive attack with consciousness loss and was suspected of having Brugada syndrome 6 months prior to admission to our hospital. At the initial examination, the patient showed conjugate deviation, followed by left limb convulsions and consciousness loss. He regained consciousness after 1 minute, though cardiac arrest from ventricular fibrillation was noted during an electroencephalography (EEG) examination. Sinus rhythm recovered with defibrillation, though the convulsions persisted and a Status Epilepticus developed...
November 25, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27890881/non-convulsive-status-epilepticus-with-takotsubo-cardiomyopathy-a-case-report
#12
Jyunichi Uemura, Yuko Wada, Yoshiki Yagita
A 61-year-old woman was admitted to our hospital for speech disturbance and mild consciousness impairment. Despite the absence of seizures or loss of consciousness, electroencephalographic abnormalities were observed, and the cerebral blood flow scintigraphy revealed an increase in cerebral blood flow in the left temporal lobe. These findings suggested a diagnosis of non-convulsive status epilepticus. On the third day, a twelve-lead electrocardiogram showed a negative T-wave in I, II, aVf, and V2-6. Moreover, a transthoracic echocardiogram revealed left ventricular apical akinesis...
November 25, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27890484/25-years-of-advances-in-definition-classification-and-treatment-of-status-epilepticus
#13
Eugen Trinka, Reetta Kälviäinen
PURPOSE: Status epilepticus (SE) requires not only urgent symptomatic treatment with antiepileptic drugs but also rapid identification and treatment of its cause. This narrative review summarizes the most important advances in classification and treatment of SE. METHOD: Data sources included MEDLINE, EMBASE, ClinicalTrials.gov, and back tracking of references in pertinent studies, reviews, and books. RESULTS: SE is now defined as "a condition resulting either from the failure of the mechanisms responsible for seizure termination or from the initiation of mechanisms, which lead to abnormally, prolonged seizures (after time point t1)...
November 14, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27889818/somatosensory-reflex-seizures-in-a-child-with-epilepsy-related-to-novel-scn1a-mutation
#14
Pinar Arican, Nihal Olgac Dundar, Dilek Cavusoglu, Taha Resid Ozdemır, Pinar Gencpinar
INTRODUCTION: Mutations in SCN1A have been reported in patients with different types of epilepsy, including generalized epilepsy with febrile seizures plus, severe myoclonic epilepsy in infancy, malignant migrating partial seizures in infancy, and other infantile epileptic encephalopathies. CASE REPORT: We report a case of a 10-month-old girl presented with reflex epileptic seizures provoked by somatosensory stimuli with a novel de novo mutation of SCN1A gene. She was observed to have seizures with eye deviation, unresponsiveness provoked by somatosensory stimuli of the face...
November 26, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27888743/plasmapheresis-for-refractory-status-epilepticus-part-ii-a-scoping-systematic-review-of-the-pediatric-literature
#15
REVIEW
F A Zeiler, M Matuszczak, J Teitelbaum, C J Kazina, L M Gillman
BACKGROUND: Our goal was to perform a scoping systematic review of the literature on the use of plasmapheresis or plasma exchange (PE) for refractory status epilepticus (RSE) in children. METHODS: Articles from MEDLINE, BIOSIS, EMBASE, Global Health, Healthstar, Scopus, Cochrane Library, the International Clinical Trials Registry Platform, clinicaltrials.gov (inception to May 2016), reference lists of relevant articles, and gray literature were searched. The strength of evidence was adjudicated using both the Oxford and GRADE methodology by two independent reviewers...
November 19, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27888514/the-burden-of-premature-mortality-of-epilepsy-in-high-income-countries-a-systematic-review-from-the-mortality-task-force-of-the-international-league-against-epilepsy
#16
REVIEW
David J Thurman, Giancarlo Logroscino, Ettore Beghi, W Allen Hauser, Dale C Hesdorffer, Charles R Newton, Fulvio Alexandre Scorza, Josemir W Sander, Torbjörn Tomson
Since previous reviews of epidemiologic studies of premature mortality among people with epilepsy were completed several years ago, a large body of new evidence about this subject has been published. We aim to update prior reviews of mortality in epilepsy and to reevaluate and quantify the risks, potential risk factors, and causes of these deaths. We systematically searched the Medline and Embase databases to identify published reports describing mortality risks in cohorts and populations of people with epilepsy...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27888513/decreased-allopregnanolone-levels-in-cerebrospinal-fluid-obtained-during-status-epilepticus
#17
Stefano Meletti, Chiara Lucchi, Giulia Monti, Giada Giovannini, Roberta Bedin, Tommaso Trenti, Cecilia Rustichelli, Giuseppe Biagini
Neuroactive steroids are increasingly considered as relevant modulators of neuronal activity. Especially allopregnanolone (AP) and pregnenolone sulfate (PS) have been shown to possess, respectively, anticonvulsant or proconvulsant properties. In view of the potential role of these steroids, we aimed at evaluating AP and PS levels in cerebrospinal fluid (CSF) and blood samples obtained from patients with status epilepticus (SE). To this purpose, we enrolled 41 patients affected by SE and 41 subjects investigated for nonepileptic neurologic disorders...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27888509/functional-properties-of-granule-cells-with-hilar-basal-dendrites-in-the-epileptic-dentate-gyrus
#18
Tony Kelly, Heinz Beck
OBJECTIVE: The maturation of adult-born granule cells and their functional integration into the network is thought to play a key role in the proper functioning of the dentate gyrus. In temporal lobe epilepsy, adult-born granule cells in the dentate gyrus develop abnormally and possess a hilar basal dendrite (HBD). Although morphological studies have shown that these HBDs have synapses, little is known about the functional properties of these HBDs or the intrinsic and network properties of the granule cells that possess these aberrant dendrites...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27888506/rapid-and-safe-response-to-low-dose-carbamazepine-in-neonatal-epilepsy
#19
Tristan T Sands, Martina Balestri, Giulia Bellini, Sarah B Mulkey, Olivier Danhaive, Eliza Hayes Bakken, Maurizio Taglialatela, Michael S Oldham, Federico Vigevano, Gregory L Holmes, Maria Roberta Cilio
OBJECTIVE: To evaluate treatment responses in benign familial neonatal epilepsy (BFNE). METHODS: We recruited patients with BFNE through a multicenter international collaboration and reviewed electroclinical and genetic details, and treatment response. All patients were tested at minimum for mutations/deletions in the KCNQ2, KCNQ3, and SCN2A genes. RESULTS: Nineteen patients were included in this study. A family history of neonatal seizures was positive in 16 patients, and one additional patient had a family history of infantile seizures...
November 26, 2016: Epilepsia
https://www.readbyqxmd.com/read/27886628/eeg-utilization-in-canadian-intensive-care-units-a-multicentre-prospective-observational-study
#20
Andrea Park, Martin Chapman, Victoria A McCredie, Derek Debicki, Teneille Gofton, Loretta Norton, J Gordon Boyd
PURPOSE: We have previously shown that electroencephalography (EEG) may be an underutilized monitoring modality in a single general medical-surgical ICU, that does not have a specific neurocritical care consultation service or neurocritical care unit. The present study was designed to describe the pattern of EEG utilization across 3 academic ICUs in Ontario, Canada that use different models of neurocritical care. METHOD: In this prospective multicentre observational study, ICU patients were screened weekly for 6 non-consecutive weeks to determine if they met the ESICM's recommendations or suggestions for EEG monitoring...
November 13, 2016: Seizure: the Journal of the British Epilepsy Association
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