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Seizure: the Journal of the British Epilepsy Association

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https://www.readbyqxmd.com/read/28806589/novel-clinical-manifestations-in-patients-with-kcna2-mutations
#1
Monisha Sachdev, Marina Gaínza-Lein, Dmitry Tchapyjnikov, Yong-Hui Jiang, Tobias Loddenkemper, Mohamad A Mikati
PURPOSE: To report novel clinical manifestations of KCNA2 mutation related epileptic encephalopathy. METHODS: Blood samples were sent for whole exome and Sanger sequencing. Seizure types were characterized by clinical criteria and EEG recording. RESULTS: KCNA2 mutations have been reported in 10 cases who presented with focal, absence, generalized tonic-clonic or myoclonic astatic seizures. Here we describe 3 patients with previously unreported, more severe manifestations...
August 5, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28797915/detecting-interictal-discharges-in-first-seizure-patients-ambulatory-eeg-or-eeg-after-sleep-deprivation
#2
I Geut, S Weenink, I L H Knottnerus, M J A M van Putten
PURPOSE: Uncertainty about recurrence after a first unprovoked seizure is a significant psychological burden for patients, and motivates the need for diagnostic tools with high sensitivity and specificity to assess recurrence risk. As the sensitivity of a routine EEG after a first unprovoked seizure is limited, patients often require further diagnostics. Here, we study if ambulatory EEG (aEEG) has similar diagnostic accuracy as sleep deprived EEG (sdEEG). METHODS: In this retrospective cohort, we included patients with an unprovoked first seizure and a normal routine EEG who subsequently underwent an sdEEG or aEEG...
August 2, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28787683/in-hospital-outcomes-and-delayed-neurologic-sequelae-of-seizure-related-endosulfan-poisoning
#3
J M Moon, B J Chun, S D Lee
PURPOSE: This study investigated the predictive factors for progression from seizure-related endosulfan poisoning to status epilepticus (SE) and refractory SE (RSE). This study also investigated delayed neurologic sequelae in seizure-related endosulfan poisoning. METHODS: This retrospective, observational case series consisted of 73 patients who developed at least one seizure after endosulfan ingestion. RESULTS: The progression rates from seizure-related endosulfan poisoning to SE and from SE-related endosulfan poisoning to RSE were 78...
July 29, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28806588/measurement-of-side-effects-of-anti-epileptic-drugs-aeds-in-adults-with-intellectual-disability-a-systematic-review
#4
REVIEW
Lauren Copeland, Andrea Meek, Mike Kerr, Michael Robling, Kerry Hood, Rachel McNamara
No abstract text is available yet for this article.
July 27, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28797914/sequential-fdg-pet-and-mri-findings-in-a-case-of-smart-syndrome
#5
Caroline Bund, Pauline Fahrer, Odile Gebus, Stéphane Kremer, Cyrille Blondet, Izzie-Jacques Namer
No abstract text is available yet for this article.
July 27, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28772200/identifying-seizure-onset-zone-from-electrocorticographic-recordings-a-machine-learning-approach-based-on-phase-locking-value
#6
Bahareh Elahian, Mohammed Yeasin, Basanagoud Mudigoudar, James W Wheless, Abbas Babajani-Feremi
PURPOSE: Using a novel technique based on phase locking value (PLV), we investigated the potential for features extracted from electrocorticographic (ECoG) recordings to serve as biomarkers to identify the seizure onset zone (SOZ). METHODS: We computed the PLV between the phase of the amplitude of high gamma activity (80-150Hz) and the phase of lower frequency rhythms (4-30Hz) from ECoG recordings obtained from 10 patients with epilepsy (21 seizures). We extracted five features from the PLV and used a machine learning approach based on logistic regression to build a model that classifies electrodes as SOZ or non-SOZ...
July 25, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28772199/novel-therapeutic-targets-for-epilepsy-intervention
#7
REVIEW
Lazari Kambli, Lokesh Kumar Bhatt, Manisha Oza, Kedar Prabhavalkar
Epilepsy is a common neurological disorder involving recurrent seizures and affecting about 1% of the population worldwide. Despite several antiepileptic drugs and effective therapies available for epilepsy, about 25% of the patients show therapeutic failure. Thus there exists an unmet need for newer antiepileptic drugs targeting newer targets with different mechanisms of action. Current research in epilepsy generally focuses on mechanisms that control neuronal excitability. Recently attention has been focussed on novel targets, their various interactions, and signalling cascades relating to epilepsy...
July 25, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28763744/genetic-polymorphisms-and-valproic-acid-plasma-concentration-in-children-with-epilepsy-on-valproic-acid-monotherapy
#8
Shenghui Mei, Weixing Feng, Leting Zhu, Yazhen Yu, Weili Yang, Baoqin Gao, Xiaojuan Wu, Zhigang Zhao, Fang Fang
PURPOSE: The aim of the study is to evaluate the association between genetic polymorphisms and valproic acid (VPA) concentration to dose ratio in children with epilepsy on VPA monotherapy. METHODS: A total of 137 children, aged 3.5-18 years, (89 males and 48 females) with epilepsy on sustained-release VPA monotherapy were enrolled. Trough plasma concentrations of VPA at steady-state were measured using an AXSYM automatic immunity analyzer. The values were divided by body weight and total daily dose to calculate concentration to dose ratio of VPA (CDRV)...
July 20, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28755568/what-patients-think-about-psychogenic-nonepileptic-seizures-in-buenos-aires-argentina-a-qualitative-approach
#9
Mercedes Sarudiansky, Alejandra Inés Lanzillotti, María Marta Areco Pico, Cristina Tenreyro, Laura Scévola, Silvia Kochen, Luciana D'Alessio, Guido Pablo Korman
PURPOSE: To analyse the methods of reasoning with regard to patients' experiences of living with psychogenic nonepileptic seizures (PNES) in Buenos Aires, Argentina. METHOD: A qualitative approach using semi-structured interviews was used to gain an in-depth and contextual understanding of the perspectives of five patients with PNES. Data collection and analysis were followed by an inductive and interpretive approach informed by the principles of thematic analysis...
July 20, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28753467/the-association-of-scn1a-p-thr1067ala-polymorphism-with-epilepsy-risk-and-the-response-to-antiepileptic-drugs-in-slovenian-children-and-adolescents-with-epilepsy
#10
Sara Bertok, Vita Dolžan, Katja Goričar, Katarina Trebušak Podkrajšek, Tadej Battelino, Zvonka Rener-Primec
PURPOSE: The voltage-gated sodium channel SCN1A mutations are involved in epileptogenesis and may be associated with different epilepsy phenotypes. The SCN1A channel is also an important antiepileptic drug (AED) target. The aim of this study was to investigate if the SCN1A c.3184A>G/p.Thr1067Ala polymorphism modifies the epilepsy risk or is associated with the responsiveness to AEDs in Slovenian children and adolescents with epilepsy. METHODS: In total, 216 paediatric patients with epilepsy were consecutively recruited during routine outpatient follow-up visits between January 2011 and December 2014...
July 20, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28750305/progressive-hippocampal-sclerosis-after-viral-encephalitis-potential-role-of-nmda-receptor-antibodies
#11
Stoyan Popkirov, Fatme Seval Ismail, Wenke Grönheit, Monika Kapauer, Jörg Wellmer, Christian G Bien
PURPOSE: Survivors of viral encephalitis can develop refractory epilepsy and hippocampal sclerosis. Both the initial infectious insult and the secondary effects of recurrent seizures have been implicated in chronic disease progression. Recently, post-infectious autoimmunity, involved in acute relapses, has also been proposed as a pathomechanism for chronic disease progression. Our case series suggests a potential role of antibodies against the N-methyl-d-aspartate receptor (NMDAR) in chronic inflammatory disease beyond acute manifestations...
July 19, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28743048/the-ketogenic-diet-in-patients-with-myoclonic-status-in-non-progressive-encephalopathy
#12
Roberto Caraballo, Francesca Darra, Gabriela Reyes, Marisa Armeno, Araceli Cresta, Graciela Mestre, Bernardo Dalla Bernardina
Myoclonic status in non-progressive encephalopathy (MSNPE) is characterized by the recurrence of long-lasting atypical status epilepticus associated with attention impairment and continuous polymorphous jerks, mixed with other complex abnormal movements, in infants suffering from a non-progressive encephalopathy. The ketogenic diet (KD) has been used as an alternative to antiepileptic drugs (AEDs) for patients with refractory epileptic encephalopathies. PURPOSE: In this study we assess the efficacy and tolerability of the KD in patients with MSNPE...
July 11, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28732281/epileptic-seizure-detection-in-eegs-signals-based-on-the-weighted-visibility-graph-entropy
#13
Zeynab Mohammadpoory, Mahda Nasrolahzadeh, Javad Haddadnia
PURPOSE: Epileptic seizure detection has been a complex task for both researchers and specialist in that the assessment of epilepsy is difficult because, electroencephalogram (EEG) signals are chaotic and non-stationary. METHOD: This paper proposes a new method based on weighted visibility graph entropy (WVGE) to identify seizure from EEG signals. Single channel EEG signals are mapped onto the WVGs and WVGEs are calculated from these WVGs. Then some features are extracted of WVGEs and given to classifiers to investigate the performance of these features to classify the brain signals into three groups of normal (healthy), seizure free (interictal) and during a seizure (ictal) groups...
July 11, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28709144/the-spectrum-of-peri-ictal-mri-changes-four-illustrative-cases
#14
Jennifer Williams, Gerard Mullins, Norman Delanty, Bede Peter, Colin P Doherty
PURPOSE: Seizure induced neuronal hyperexcitability and increased unmet metabolic neuronal demand results in failure of the sodium/potassium ATP pump. Sodium and water accumulates intracellularly with cellular swelling and reduced extracellular volume demonstrating hyperintensity on DWI and reduced ADC. The aim of this study was to describe 4 clinical cases where we identified abnormalities in diffusion restriction in the acute peri-ictal period and followed them longitudinally. METHODS: Patients were recruited from the emergency department, clinical consultation service and epilepsy monitoring unit of two tertiary referral centres...
July 6, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28704742/q10r-mutation-in-scn9a-gene-is-associated-with-generalized-epilepsy-with-febrile-seizures-plus
#15
Zhidong Cen, Yuting Lou, Yufan Guo, Jianda Wang, Jianhua Feng
No abstract text is available yet for this article.
June 30, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28704743/sleep-abnormalities-in-juvenile-myoclonic-epilepsy-a-sleep-questionnaire-and-polysomnography-based-study
#16
Sujata Roshan, Vinod Puri, Neera Chaudhry, Anu Gupta, Sumit Kumar Rabi
PURPOSE: To evaluate the quality of sleep, its architecture and occurrence of epileptiform discharges with their distribution across various stages of sleep in patients of Juvenile myoclonic epilepsy (JME), both drug naïve as well as those already on treatment. METHODS: 99 patients of JME [36 drug naïve, 63 on antiepileptic drug(s) (AED)], and 30 healthy controls were recruited. Sleep quality and daytime sleepiness were evaluated with Pittsburgh Sleep Quality Index (PSQI) and Epworth Sleepiness Scale (ESS), respectively...
June 28, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28697420/familial-early-infantile-epileptic-encephalopathy-and-cardiac-conduction-disorder-a-rare-cause-of-sudep-in-infancy
#17
Dilsad Turkdogan, Sunay Usluer, Figen Akalin, Umut Agyuz, Elif Sibel Aslan
No abstract text is available yet for this article.
June 28, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28704741/outside-the-box-medications-worth-considering-when-traditional-antiepileptic-drugs-have-failed
#18
REVIEW
Adrian L Turner, M Scott Perry
PURPOSE: Review and discuss medications efficacious for seizure control, despite primary indications for other diseases, as treatment options in patients who have failed therapy with traditional antiepileptic drugs (AEDs). METHODS: Literature searches were conducted utilizing PubMed and MEDLINE databases employing combinations of search terms including, but not limited to, "epilepsy", "refractory", "seizure", and the following medications: acetazolamide, amantadine, bumetanide, imipramine, lidocaine, verapamil, and various stimulants...
June 27, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28686997/management-of-epilepsy-in-merrf-syndrome
#19
REVIEW
Josef Finsterer, Sinda Zarrouk-Mahjoub
Myoclonic epilepsy with ragged-red fibers (MERRF) syndrome is a rare syndromic mitochondrial disorder (MID) with a broad phenotypic but narrow genotypic heterogeneity. One of the predominant phenotypic features in addition to myopathy is epilepsy. The most frequent seizure type in MERRF is generalised myoclonic seizure but also focal myoclonic, focal atonic, generalised tonic-clonic, generalised atonic, generalised myoclonic-atonic, typical absences, or tonic-clonic seizures of unknown onset have been reported...
June 24, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28683394/national-trend-survey-of-hospitalized-patients-with-febrile-seizure-in-the-united-states
#20
Yusuke Okubo, Atsuhiko Handa
PURPOSE: Several studies have reported the prevalence and incidence of febrile seizure (FS) among children in the USA and other countries. However, recent trends in FS among hospitalized children, hospital course, and risk factors for its severity remain unknown at a national level in the USA. METHOD: Hospital discharge records of patients with FS aged <6years were obtained for the years 2003, 2006, 2009, and 2012 from the Kid's Inpatient Database. Data were weighted to estimate the annual hospitalization rates with respect to gender and race/ethnicity in the United States...
June 24, 2017: Seizure: the Journal of the British Epilepsy Association
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