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mri status epilepticus

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https://www.readbyqxmd.com/read/28213908/a-randomized-controlled-trial-of-lacosamide-versus-sodium-valproate-in-status-epilepticus
#1
Usha K Misra, Deepanshu Dubey, Jayantee Kalita
OBJECTIVE: To compare the efficacy and safety of lacosamide (LCM) and sodium valproate (SVA) in lorazepam (LOR)-resistant status epilepticus (SE). METHODS: Patients with LOR-resistant SE were randomized to intravenous LCM 400 mg at a rate of 60 mg/kg/min or SVA 30 mg/kg at a rate of 100 mg/min. The SE severity score (STESS), duration of SE and its etiology, and magnetic resonance imaging (MRI) findings were noted. Primary outcome was seizure cessation for 1 h, and secondary outcomes were 24 h seizure remission, in hospital death and severe adverse events (SAEs)...
February 18, 2017: Epilepsia
https://www.readbyqxmd.com/read/28202703/investigations-in-gabaa-receptor-antibody-associated-encephalitis
#2
Marianna Spatola, Mar Petit-Pedrol, Mateus Mistieri Simabukuro, Thaís Armangue, Fernanda J Castro, Maria I Barcelo Artigues, Maria R Julià Benique, Leslie Benson, Mark Gorman, Ana Felipe, Ruben L Caparó Oblitas, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To report the clinical features, comorbidities, receptor subunit targets, and outcome in patients with anti-GABAA receptor (GABAAR) encephalitis. METHODS: Clinical study of 26 patients, including 17 new (April 2013-January 2016) and 9 previously reported patients. Antibodies to α1, β3, and γ2 subunits of the GABAAR were determined using reported techniques. RESULTS: Patients' median age was 40.5 years (interquartile range 48...
February 15, 2017: Neurology
https://www.readbyqxmd.com/read/28182114/evolution-of-cerebral-atrophy-in-a-patient-with-super-refractory-status-epilepticus-treated-with-barbiturate-coma
#3
Christopher R Newey, Pravin George, Premkumar Nattanmai, Christine Ahrens, Stephen Hantus, Aarti Sarwal
Introduction. Status epilepticus is associated with neuronal breakdown. Radiological sequelae of status epilepticus include diffusion weighted abnormalities and T2/FLAIR cortical hyperintensities corresponding to the epileptogenic cortex. However, progressive generalized cerebral atrophy from status epilepticus is underrecognized and may be related to neuronal death. We present here a case of diffuse cerebral atrophy that developed during the course of super refractory status epilepticus management despite prolonged barbiturate coma...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28176670/cerebrospinal-fluid-pleocytosis-in-critical-care-patients-with-seizures
#4
Carly Scramstad, Alan C Jackson
OBJECTIVES: To assess the etiology of cerebrospinal fluid (CSF) pleocytosis in critical care patients with seizure(s) or status epilepticus (SE). Many previous studies, some performed decades ago, concluded that CSF pleocytosis may be entirely attributable to seizure activity. METHODS: We undertook a retrospective chart review of adult patients with an admitting or acquired diagnosis of seizure(s) or SE in critical care units at the Winnipeg Health Sciences Centre between 2009 and 2012...
February 8, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28160673/reduced-thalamic-volume-in-patients-with-electrical-status-epilepticus-in-sleep
#5
Iván Sánchez Fernández, Jurriaan M Peters, Alireza Akhondi-Asl, Jacquelyn Klehm, Simon K Warfield, Tobias Loddenkemper
PURPOSE: To test whether patients with Electrical Status Epilepticus in Sleep (ESES) and normal neuroimaging have a smaller thalamic volume than expected for age and for total brain volume. METHODS: Case-control study comparing three groups of subjects of 4-14 years of age and normal magnetic resonance imaging: 1) ESES patients, 2) patients with refractory epilepsy control group, and 3) healthy controls. Thalamic and total brain volumes were calculated using an algorithm for automatic segmentation and parcellation of magnetic resonance imaging...
January 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28100327/-intermittent-convulsions-for-1-5-years-and-psychomotor-retardation-in-a-girl
#6
Li Yang, Yu-Fen Li, Li-Yun Xu, Na Xu, Yu-Zeng Han, Jun-Lin Wang, Ji-Guo Song, Ying Hua, Li-Ping Zhu
The study reports a girl with pyridoxine-dependent epilepsy. The girl was admitted at the age of 2 years because of intermittent convulsions for 1.5 years and psychomotor retardation. She had a history of "hypoxia" in the neonatal period. At the age of 5 months recurrent epileptic seizures occurred. The child was resistant to antiepileptic drugs, and had many more seizures when she got cold or fever. She also had a lot of convulsive status epilepticus. No discharges were found during several video-EEG monitorings...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28092848/the-initial-use-of-arterial-spin-labeling-perfusion-and-diffusion-weighted-magnetic-resonance-images-in-the-diagnosis-of-nonconvulsive-partial-status-epileptics
#7
Takafumi Shimogawa, Takato Morioka, Tetsuro Sayama, Sei Haga, Yuka Kanazawa, Kei Murao, Shuji Arakawa, Ayumi Sakata, Koji Iihara
BACKGROUND: In the diagnosis of nonconvulsive status epilepticus (NCSE), capture of ongoing ictal electroencephalographic (EEG) findings is the gold standard; however, this is practically difficult without continuous EEG monitoring facilities. Magnetic resonance imaging (MRI), including diffusion-weighted imaging (DWI) and perfusion MRI with arterial spin labeling (ASL), have been applied mainly in emergency situations. Recent reports have described that ictal MRI findings, including ictal hyperperfusion on ASL and cortical hyperintensity of cytotoxic edema on DWI, can be obtained from epileptically activated cortex...
December 21, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/28028789/isoflurane-use-in-the-treatment-of-super-refractory-status-epilepticus-is-associated-with-hippocampal-changes-on-mri
#8
Kristin M Ikeda, Robert Connors, Donald H Lee, Alexander G Khandji, Jan Claassen, G Bryan Young
BACKGROUND: Refractory status epilepticus (RSE) is associated with high morbidity and mortality. Experts recommend aggressive management with continuous intravenous infusions or inhaled anesthetics such as isoflurane. However, there is concern that MRI changes in RSE reflect isoflurane neurotoxicity. We performed a case-control study to determine whether isoflurane is neurotoxic, based on MRI signal changes. METHODS: We performed a retrospective case-control study of the incidence of MRI changes in RSE treated with and without isoflurane...
December 27, 2016: Neurocritical Care
https://www.readbyqxmd.com/read/27917700/posterior-reversible-encephalopathy-syndrome-following-elevated-mean-arterial-pressures-for-cervical-spinal-cord-injury
#9
Jeffrey H Zimering, Addisu Mesfin
BACKGROUND: Increasing the mean arterial pressure (MAP) is an accepted treatment modality to minimize the risk for irreversible neurologic damage secondary to spinal cord ischemia. Posterior reversible encephalopathy syndrome (PRES) is a rare complication occurring after transplantation surgery, in persons having an autoimmune disorder or after abrupt increases in blood pressure of various etiologies. STUDY DESIGN: Case report. METHODS: Retrospective evaluation of medical records...
December 5, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27832046/periodic-discharges-insight-from-magnetoencephalography
#10
V Shvarts, G Zoltay, S M Bowyer, A Zillgitt, J E Moran, K Mason R, N Tepley, D Burdette
PURPOSE: This study utilized magnetoencephalography (MEG) dipole localization and coherence measurement to evaluate the magnetic fields associated with periodic discharges. The primary goal of the study was to evaluate whether MEG could consistently localize quasiperiodic discharges that were observed on the EEG portion of the recording. The secondary objective was to evaluate whether coherence measurements would correlate with topographic maxima of epileptiform activity. METHODS: A total of 13 inpatients, whose electrographic records demonstrated lateralized periodic discharges (LPDs), were recruited from Henry Ford Hospital neurology and intensive care units...
November 9, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/27794237/cognitive-functioning-one-month-and-one-year-following-febrile-status-epilepticus
#11
Erica F Weiss, David Masur, Shlomo Shinnar, Dale C Hesdorffer, Veronica J Hinton, Melanie Bonner, Julie Rinaldi, Virginia Van de Water, James Culbert, Ruth C Shinnar, Syndi Seinfeld, William Gallentine, Douglas R Nordli, L Mathew Frank, Leon Epstein, Solomon L Moshé, Shumei Sun
OBJECTIVE: The objective of this study was to determine early developmental and cognitive outcomes of children with febrile status epilepticus (FSE) one month and one year after FSE. METHODS: One hundred ninety four children with FSE were evaluated on measures of cognition, receptive language, and memory as part of the FEBSTAT study and compared with 100 controls with simple febrile seizures (FSs). RESULTS: Children with FSE did not differ dramatically on tasks compared with FS controls at one month after FSE but demonstrated slightly weaker motor development (p=0...
November 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27784474/-clinical-features-and-gene-mutations-in-epilepsy-of-infancy-with-migrating-focal-seizures
#12
K W Shang, Y H Zhang, X L Yang, A J Liu, Z X Yang, X Y Liu, Y W Jiang, X R Wu
Objective: To summarize the clinical features and gene mutations of epilepsy of infancy with migrating focal seizures (EIMFS). Method: Clinical features and electroencephalograms(EEG)of 9 patients with EIMFS of Peking University First Hospital from May 2015 to January 2016 were analyzed. Candidate gene mutations were screened by next generation sequencing. Result: Among the 9 patients, 3 were males and 6 were females. Two patients had family history. Seizure onset age was 2 days to 3 months after birth (median age 35 days)...
October 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27770719/epilepsy-with-myoclonic-absences-electroclinical-characteristics-in-a-distinctive-pediatric-epilepsy-phenotype
#13
Paresh Zanzmera, Ramshekhar N Menon, Kalyani Karkare, Himanshu Soni, Sujit Jagtap, Ashalatha Radhakrishnan
PURPOSE: The purpose of this article was to study the electroclinical characteristics and seizure outcome of children with epilepsy with myoclonic absences (EMA). METHOD: In this descriptive cohort study, we reviewed clinical records of patients who met the criteria for EMA. Each patient's demographic data, birth/developmental history, seizure semiology/pattern, antiepileptic drugs (AED), clinical examination, video-electroencephalography (VEEG), and neuroimaging data were reviewed...
October 19, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27761920/isoflurane-prevents-acquired-epilepsy-in-rat-models-of-temporal-lobe-epilepsy
#14
Guy Bar-Klein, Rebecca Klee, Claudia Brandt, Marion Bankstahl, Pablo Bascuñana, Kathrin Töllner, Hotjensa Dalipaj, Jens P Bankstahl, Alon Friedman, Wolfgang Löscher
OBJECTIVE: Acquired epilepsy is a devastating long-term risk of various brain insults, including trauma, stroke, infections, and status epilepticus (SE). There is no preventive treatment for patients at risk. Attributable to the complex alterations involved in epileptogenesis, it is likely that multitargeted approaches are required for epilepsy prevention. We report novel preclinical findings with isoflurane, which exerts various nonanesthetic effects that may be relevant for antiepileptogenesis...
December 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27680224/a-case-of-cefepime-encephalopathy-being-difficult-to-distinguish-from-non-convulsive-status-epilepticus-during-the-treatment-of-bacterial-meningitis
#15
Yusuke Toda, Mineo Yamazaki, Tomohiro Ota, Yosuke Fujisawa, Kazumi Kimura
A 64-year-old man with fever, appetite loss, and pain in the back of the neck visited our hospital. We diagnosed him as having bacterial meningitis because of pleocytosis of the cerebrospinal fluid, and started treatment with antibiotics. Multiple cerebral infarcts were found on brain MRI. We suspected that the origin of the bacterial meningitis was infective endocarditis, and administered Cefepime and Gentamicin according to the guidelines for treatment of infective endocarditis. Three days later, he became drowsy and had myoclonus and flapping of the extremities...
October 28, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27595174/hippocampal-signal-abnormality-on-the-first-day-of-illness-in-acute-encephalopathy-with-biphasic-seizures-and-late-reduced-diffusion-caused-by-hhv-6-infection
#16
Takuya Matsuda, Shuichi Shimakawa, Hiromitsu Toshikawa, Mari Hatanaka, Miho Fukui, Atsushi Mori, Hiroshi Tamai
We report a 13-month-old girl who developed acute encephalopathy with biphasic seizures and late reduced diffusion (AESD) with transient reduced diffusion in the hippocampus and anterior commissure on diffusion-weighted imaging (DWI), which was performed on the first day after febrile status epilepticus (FSE) as the initial neurological symptom of AESD. DWI just after late seizures showed high signal intensity lesions in both left hippocampus and anterior commissure, and left extratemporal and occipital subcortical white matter...
November 2016: Brain & Development
https://www.readbyqxmd.com/read/27549147/non-convulsive-status-epilepticus-in-a-patient-with-carbon-monoxide-poisoning-treated-with-hyperbaric-oxygen-therapy
#17
Simone Marziali, Francesca Di Giuliano, Eliseo Picchi, Silvia Natoli, Carlo Leonardis, Francesca Leonardis, Francesco Garaci, Roberto Floris
The presentation of carbon monoxide poisoning is non-specific and highly variable. Hyperbaric oxygen therapy is used for the treatment of this condition. Various reports show the occurrence of self-limiting seizures after carbon monoxide poisoning and as a consequence of hyperbaric oxygen therapy. Contrary to the seizures, status epilepticus has been rarely observed in these conditions. The exact pathophysiology underlying seizures and status epilepticus associated with carbon monoxide poisoning and hyperbaric oxygen therapy is not really clear, and some elements appear to be common to both conditions...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27533350/progressive-brain-atrophy-in-super-refractory-status-epilepticus
#18
Sara Hocker, Elanagan Nagarajan, Alejandro A Rabinstein, Dennis Hanson, Jeffrey W Britton
Importance: Prolonged seizures in super-refractory status epilepticus (SRSE) have been shown to cause neuronal death and reorganization, and visual inspection in individual case studies has demonstrated progressive cortical and subcortical atrophy. At present, magnetic resonance imaging (MRI) studies that evaluate brain atrophy in SRSE are lacking. Objectives: To document and quantify the development of atrophy over time in SRSE. Design, Setting, and Participants: This retrospective medical record review included all patients with SRSE who were admitted to a tertiary referral campus of the Mayo Clinic Hospital with SRSE from January 1, 2001, to December 31, 2013...
October 1, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27523882/a-case-of-dravet-syndrome-with-cortical-myoclonus-indicated-by-jerk-locked-back-averaging-of-electroencephalogram-data
#19
Yoshinori Kobayashi, Yoshiyuki Hanaoka, Tomoyuki Akiayma, Iori Ohmori, Mamoru Ouchida, Toshiyuki Yamamoto, Makio Oka, Harumi Yoshinaga, Katsuhiro Kobayashi
We report a female patient with Dravet syndrome (DS) with erratic segmental myoclonus, the origin of which was first identified in the cerebral cortex by the detection of myoclonus-associated cortical discharges. The discharges were disclosed through jerk-locked back-averaging of electroencephalogram (EEG) data using the muscle activity of myoclonus as triggers. The detected spikes on the contralateral parieto-central region preceded myoclonic muscle activity in the forearms by 28-46ms. The patient was six months old at the time of examination, and was developing normally before seizure onset at two months of age...
January 2017: Brain & Development
https://www.readbyqxmd.com/read/27522229/epileptic-phenotype-of-two-siblings-with-asparagine-synthesis-deficiency-mimics-neonatal-pyridoxine-dependent-epilepsy
#20
Svetlana Gataullina, Julia Lauer-Zillhardt, Anna Kaminska, Louise Galmiche-Rolland, Nadia Bahi-Buisson, Clément Pontoizeau, Chris Ottolenghi, Olivier Dulac, Catherine Fallet-Bianco
We report the cases of a brother and a sister of nonconsanguineous parents who developed progressive microcephaly and had tremor, irritability, spasticity, startle reflexes, and permanent erratic myoclonus since birth. Focal clonic seizures, status epilepticus, and infantile spasms appeared later, during the first months of life, while erratic myoclonic jerks persisted. Electroencephalogram initially showed multifocal spikes that evolved into modified hypsarrhythmia and then discontinuous activity, evoking the progressive nature of the condition...
December 2016: Neuropediatrics
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