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Focal Seizure

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https://www.readbyqxmd.com/read/28092837/differential-diagnosis-of-a-paroxysmal-neurological-event-do-neurologists-know-how-to-clinically-recognize-it
#1
Aleksandar J Ristić, Ksenija Mijović, Zoran Bukumirić, Nikola Vojvodić, Slavko Janković, Vladimir Baščarević, Tijana Đukić, Dragoslav Sokić
PURPOSE: To investigate ability to recognize paroxysmal neurological events (PNE) based on video-recorded events alone in a group of physicians treating prevalent neurological conditions. METHODS: Total of 12 patients' videos (6 epileptic seizures (ES), 4 psychogenic nonepileptic seizures (PNES), 2 other nonepileptic seizures (oNES)) were selected. Videos were displayed once to physicians blind to clinical data and final diagnosis. Physicians determined their clinical choice: ES, PNES, oNES, and I don't know (IDK)...
January 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28087822/amygdala-and-hippocampus-are-symptomatogenic-zones-for-central-apneic-seizures
#2
Nuria Lacuey, Bilal Zonjy, Luisa Londono, Samden D Lhatoo
OBJECTIVE: To identify limbic sites of respiratory control in the human brain, and by extension, the symptomatogenic zone for central apnea. METHODS: We used direct stimulation of anatomically, precisely placed stereotactic EEG electrodes to analyze breathing responses. We prospectively studied 3 patients who were explored with stereotactically implanted depth electrodes. The amygdala and hippocampus, as well as extralimbic sites (orbitofrontal, temporal tip, and temporal neocortex), were investigated...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28078313/unilobar-surgery-for-symptomatic-epileptic-spasms
#3
Carmen Barba, Roberto Mai, Laura Grisotto, Francesca Gozzo, Simona Pellacani, Laura Tassi, Stefano Francione, Flavio Giordano, Francesco Cardinale, Renzo Guerrini
OBJECTIVE: To assess factors associated with favorable seizure outcome after surgery for symptomatic epileptic spasms and improve knowledge on pathophysiology of this seizure type. METHODS: Inclusion criteria were: (1) age between 6 months and 15 years at surgery; (2) active epileptic spasms; (3) follow-up after surgery >1 year. RESULTS: We retrospectively studied 80 children (aged 1.3 ± 2 years at seizure onset; 5.8 ± 4 years at surgery, 11...
January 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28077892/accuracy-of-conventional-diagnostic-methods-for-identifying-structural-changes-in-patients-with-focal-epilepsy
#4
Nazim Dakaj, Jera Kruja, Fisnik Jashari, Dren Boshnjaku, Nexhat Shatri, Kamber Zeqiraj
BACKGROUND: Epilepsy is a neurological disorder characterized by abnormal firing of nerve impulses in the brain. AIM: This study aims to investigate the frequency of appearance of pathological changes in conventional examination methods (electroencephalography-EEG, brain computerized tomography -CT or brain magnetic resonance imaging - MRI) in patients with epilepsy, and relationship between clinical manifestations and localization of changes in CT or MRI. METHODS: In this study we have included 110 patients with focal epilepsy who fulfilled the inclusion criteria out of 557 initially diagnosed patients...
October 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28073789/dynamics-of-convulsive-seizure-termination-and-postictal-generalized-eeg-suppression
#5
Prisca R Bauer, Roland D Thijs, Robert J Lamberts, Demetrios N Velis, Gerhard H Visser, Else A Tolner, Josemir W Sander, Fernando H Lopes da Silva, Stiliyan N Kalitzin
It is not fully understood how seizures terminate and why some seizures are followed by a period of complete brain activity suppression, postictal generalized EEG suppression. This is clinically relevant as there is a potential association between postictal generalized EEG suppression, cardiorespiratory arrest and sudden death following a seizure. We combined human encephalographic seizure data with data of a computational model of seizures to elucidate the neuronal network dynamics underlying seizure termination and the postictal generalized EEG suppression state...
January 10, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28072960/-novel-compound-heterozygous-tbc1d24-mutations-in-a-boy-with-infantile-focal-myoclonic-epilepsy-and-literature-review
#6
W H Li, S Z Zhou, L M Zhang, X H Wang, Y J Zhang, B B Wu, H J Wang, H W Yang
Objective: To investigate the clinical features and genetic characteristics of patients with TBC1D24 gene mutations. Method: The clinical data of a patient with novel TBC1D24 compound heterozygous mutations from Children's Hospital of Fudan University were collected, the related literature was searched from China National Knowledge Infrastructure, Wanfang Data Knowledge Service Platform, National Center from Biotechnology Information and Pubmed (up to April 2016) by using search terms "TBC1D24" "epilepsy" ...
January 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28071688/epileptiform-activity-in-the-mouse-visual-cortex-interferes-with-cortical-processing-in-connected-areas
#7
L Petrucco, E Pracucci, M Brondi, G M Ratto, S Landi
Epileptiform activity is associated with impairment of brain function even in absence of seizures, as demonstrated by failures in various testing paradigm in presence of hypersynchronous interictal spikes (ISs). Clinical evidence suggests that cognitive deficits might be directly caused by the anomalous activity rather than by its underlying etiology. Indeed, we seek to understand whether ISs interfere with neuronal processing in connected areas not directly participating in the hypersynchronous activity in an acute model of epilepsy...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070485/vagus-nerve-stimulation-for-genetic-epilepsy-with-febrile-seizures-plus-gefs-accompanying-seizures-with-impaired-consciousness
#8
Ryosuke Hanaya, Fajar H Niantiarno, Yumi Kashida, Hiroshi Hosoyama, Shinsuke Maruyama, Toshiaki Otsubo, Kazumi Tanaka, Atsushi Ishii, Shinichi Hirose, Kazunori Arita
Genetic epilepsy with febrile seizures plus (GEFS(+)) is characterized by childhood-onset epilepsy syndrome. It involves febrile seizures and a variety of afebrile epileptic seizure types within the same pedigree with autosomal-dominant inheritance. Approximately 10% of individuals with GEFS(+) harbor SCN1A, a gene mutation in one of the voltage-gated sodium channel subunits. Considerably less common are focal epilepsies including complex partial seizures. We report vagus nerve stimulation (VNS) in a 6-year-old girl with GEFS(+) who exhibited refractory generalized tonic-clonic seizures and complex partial seizures...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28066710/effect-of-adjunctive-perampanel-on-the-quality-of-sleep-and-daytime-somnolence-in-patients-with-epilepsy
#9
Montserrat González-Cuevas, Odile Romero, Manuel Toledo, Manuel Quintana, Roser Cambrodí, Estevo Santamarina, Maria José Jurado, Alex Ferrer, Xavier Salas-Puig
This prospective uncontrolled study evaluated the effect of low-dose adjunctive perampanel therapy (4 mg/day for 3 months) on the sleep-wake cycle and daytime somnolence in adult patients (n = 10) with focal seizures. A > 50% reduction in the number of seizures was reported in 80% of the study patients; treatment had no significant effect on any sleep parameters as evident by the Maintenance of Wakefulness Test, Pittsburgh Sleep Quality Index and Epworth Sleepiness Scale scores. Two patients reported dizziness with treatment...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28055074/surgical-treatment-of-nonlesional-neocortical-epilepsy-long-term-longitudinal-study
#10
Dong Wook Kim, Sang Kun Lee, Hye-Jin Moon, Ki-Young Jung, Kon Chu, Chun-Ki Chung
Importance: The proportion of surgery for nonlesional neocortical epilepsy has recently increased, with a decrease in surgery for mesial temporal lobe epilepsy. However, there are only a few studies regarding the long-term surgical outcome and the potential prognostic factors for patients with nonlesional neocortical epilepsy. Objective: To evaluate the long-term surgical outcome and to identify possible prognostic factors in patients with nonlesional neocortical epilepsy...
January 3, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28054219/intracranial-aspergillosis-in-an-immunocompetent-young-woman
#11
Prasan Kumar Panda, Sunil Kumar Mavidi, Naveet Wig, Ajay Garg, Aasma Nalwa, M C Sharma
Intracranial aspergillosis (ICA) is very rare in the immunocompetent individuals, usually misdiagnosed as a tumor or an abscess. A high index of clinical suspicion is required in patients who present with focal neurological deficits, headache, or seizures. We report the case of a 25-year-old immunocompetent female, who presented with a 15-month history of headache, seizures, left-sided proptosis and ophthalmoplegia, and right hemiparesis. Recovery from the symptoms and decrease in the lesion size seen on the radiological assessment were achieved through two decompressive craniotomies followed by prolonged combined systemic antifungal therapies...
January 4, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28054130/posterior-reversible-encephalopathy-syndrome
#12
REVIEW
Marlene Fischer, Erich Schmutzhard
The posterior reversible encephalopathy syndrome (PRES) is a neurological disorder of (sub)acute onset characterized by varied neurological symptoms, which may include headache, impaired visual acuity or visual field deficits, disorders of consciousness, confusion, seizures, and focal neurological deficits. In a majority of patients the clinical presentation includes elevated arterial blood pressure up to hypertensive emergencies. Neuroimaging, in particular magnetic resonance imaging, frequently shows a distinctive parieto-occipital pattern with a symmetric distribution of changes reflecting vasogenic edema...
January 4, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28045733/pet-mri-coregistration-in-intractable-epilepsy-and-gray-matter-heterotopia
#13
Nikhil Seniaray, Anuj Jain
A 25-year-old woman with intractable seizures underwent FDG PET/MRI for seizure focus localization. MRI demonstrated bilateral carpetlike nodular subependymal gray matter and asymmetrical focal dilatation in the right temporal horn. PET/MRI showed increased FDG within subependymal gray matter with significant hypometabolism in right anterior temporal lobe. EEG and ictal semiology confirmed the right temporal seizure origin. This case highlights the importance of identification of gray matter heterotopia on FDG PET/MRI...
December 30, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28043059/determining-factors-of-electrocardiographic-abnormalities-in-patients-with-epilepsy-a-case-control-study
#14
Jorge Murilo Barbosa de Sousa, Guilherme Loureiro Fialho, Peter Wolf, Roger Walz, Katia Lin
Sudden unexpected death in epilepsy (SUDEP) is a major cause of mortality in young patients with epilepsy (PWE). Although its mechanisms are still poorly understood, they may include cardiorespiratory dysfunction. Standard 12-lead electrocardiograms (ECGs) were obtained from 62 consecutive patients (aged 18-66y) with a definite diagnosis of epilepsy, without seizures at the day of ECG, and 57 healthy controls matched for sex, age and body mass index (BMI). All ECGs were evaluated by a blinded board-certified cardiologist...
December 20, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/28042220/internal-carotid-artery-fibromuscular-dysplasia-in-a-child-incidental-postmortem-finding-after-head-injury
#15
Arulselvi Subramanian, Garima Aggarwal, Deepak Agarwal, Sanjeev Lalwani
Fibromuscular dysplasia (FMD) is a rare, segmental, nonatheromatous, and noninflammatory arterial disease of unknown etiology. It predominantly involves renal artery (60-75%) followed by extracranial part of the internal carotid artery and vertebral arteries (25-30%). The disease typically affects middle-aged women and involves intermediate-sized arteries throughout the body. There are rare case reports of extracranial FMD compounding a trauma case. A patient was brought to trauma center emergency with a history of fall from height...
January 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28042145/hippocampal-expression-of-connexin36-and-connexin43-during-epileptogenesis-in-pilocarpine-model-of-epilepsy
#16
Sahel Motaghi, Mohammad Sayyah, Vahab Babapour, Reza Mahdian
BACKGROUND: Gap junctions (GJs) provide direct intercellular communications that are formed by hexameric protein subunits, called connexin (Cx). The role of Cxs in epileptogenesis has not received sufficient attention. Hippocampus with critical function in epileptogenesis has a wide network of GJs. We examined the protein expression levels of hippocampal Cx36 (the prominent Cx present between GABAergic interneurons) and Cx43 (the main Cx expressed by astrocytes) during epileptogenesis in the pilocarpine model of epilepsy...
January 2, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28041673/epilepsy-related-brain-tumors
#17
Özdem Ertürk Çetin, Cihan İşler, Mustafa Uzan, Çiğdem Özkara
Seizures are among the most common presentations of brain tumors. Several tumor types can cause seizures in varying rates; neuroglial tumors and the gliomas are the most common ones. Brain tumors are the second most common cause of focal intractable epilepsy in epilepsy surgery series, with the highest frequency being dysembryoplastic neuroepithelial tumors and gangliogliomas. Seizure management is an important part of the treatment of patients with brain tumors. This review discusses clinical features and management of seizures in patients with brain tumors, including, neuroglial tumors, gliomas, meningioma and metastases; with the help of recent literature data...
December 21, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28036289/expression-of-pannexin-1-and-2-in-cortical-lesions-from-intractable-epilepsy-patients-with-focal-cortical-dysplasia
#18
Song Li, Zhenle Zang, Jiaojiang He, Xin Chen, Sixun Yu, Yuchun Pei, Zhi Hou, Ning An, Hui Yang, Chunqing Zhang, Shiyong Liu
Focal cortical dysplasia (FCD) is a major cause of intractable epilepsy in children however the mechanisms underlying the pathogenesis of FCD and FCD induced epilepsy remain unclear. Increasing evidence suggests that the large-pore ion channels, pannexin 1 (Panx1) and 2 (Panx2), are involved in epilepsy and brain development. In this study, we investigated the expression of Panx1 and Panx2 in surgical samples from patients with FCD type Ia (FCDIa), type IIa (FCDIIa), and type IIb (FCDIIb) and in age-matched autopsy control samples...
December 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/28034485/the-photosensitivity-model-is-also-a-model-for-focal-partial-seizures
#19
Dorothee Kasteleijn-Nolst Trenite, Pierre Genton, Christian Brandt, Ronald C Reed
The 'Photosensitivity Model' uses a standardized stimulation protocol of repeated intermittent photic stimulation (IPS) over a three-day period, with administration of a single dose of an investigational antiepileptic drug (AED) after a baseline IPS day in photosensitive patients, followed by a third IPS day to determine duration of effect. This 'Photosensitivity Model' has shown its' value in the development of new AEDs. Levetiracetam (LEV), currently a first-line AED in new-onset focal epilepsies, was not effective in classical animal models, but showed dose-dependent efficacy in the human 'Photosensitivity Model'...
December 2, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/28031390/methylphenidate-cognition-and-epilepsy-a-double-blind-placebo-controlled-single-dose-study
#20
Jesse Adams, Valerie Alipio-Jocson, Katherine Inoyama, Victoria Bartlett, Saira Sandhu, Jemima Oso, John J Barry, David W Loring, Kimford Meador
OBJECTIVE: To evaluate the potential efficacy of immediate-release methylphenidate (MPH) for treating cognitive deficits in epilepsy. METHODS: This was a double-blind, randomized, single-dose, 3-period crossover study in patients with epilepsy and chronic cognitive complaints comparing the effects of placebo and MPH 10 and 20 mg given 1 week apart. Cognitive outcome was evaluated on the basis of an omnibus z score calculated from performance on the Conners Continuous Performance Test 3 (ability to discriminate between target and nontarget stimuli [d'] and hit reaction time standard deviation), Symbol-Digit Modalities Test, and Medical College of Georgia Paragraph Memory Test...
December 28, 2016: Neurology
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