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Focal Nonepileptic Abnormalities on EEG

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Outcome of prolonged video-EEG monitoring in a new VA monitoring unit.

Ushtar Amin, Selim R Benbadis, Alfred T Frontera,

BACKGROUND AND OBJECTIVE:For patients with refractory seizures or seizure-like activity, prolonged inpatient video-electroencephalography (EEG) (v-EEG) is standard of care to guide diagnosis and management. The purpose of this study was to describe the outcome of v-EEG in a new Veterans' Administration (VA) hospital epilepsy monitoring unit (EMU). METHODS:We reviewed all ... Read more >>

Epilepsy Behav (Epilepsy & behavior : E&B)
[2020, 102:106696]

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Psychogenic nonepileptic seizures in pediatric population: A review.

Francesca Felicia Operto, Giangennaro Coppola, Roberta Mazza, Grazia Maria Giovanna Pastorino, Stella Campanozzi, Lucia Margari, Michele Roccella, Rosa Marotta, Marco Carotenuto,

INTRODUCTION:Psychogenic nonepileptic seizures (PNES) are observable abrupt paroxysmal changes in behavior or consciousness that resemble epileptic seizures, but without concurrent electroencephalographic abnormalities. METHODS:In this manuscript, we reviewed literature concerning pediatric PNES and focused on those articles published in the last 10 years, in order to try to understand what the state ... Read more >>

Brain Behav (Brain and behavior)
[2019, 9(12):e01406]

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The epileptology of alternating hemiplegia of childhood.

Julie Uchitel, Ashley Helseth, Lyndsey Prange, Melissa McLean, Ryan Ghusayni, Monisha Sachdev, Arsen Hunanyan, Mohamad A Mikati,

OBJECTIVE:To report our experience and investigate 5 original hypotheses: (1) multiple types of epileptic seizures occur in alternating hemiplegia of childhood (AHC), and these can be the initial presentation; (2) epileptiform abnormalities often appear well after clinical seizures; (3) nonepileptic reduced awareness spells (RAS) occur frequently; (4) epilepsy is commonly ... Read more >>

Neurology (Neurology)
[2019, 93(13):e1248-e1259]

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Investigation of patient and observer agreement on description of seizures at initial clinical visit.

Maha N Saleem, Christopher A Arencibia, Kevin McKenna, Sabrina Cristofaro, Kamil Detyniecki, Daniel Friedman, Jacqueline French, Hal Blumenfeld, ,

There have been few studies of agreement between seizure descriptions obtained from patients and observers. We investigated 220 patients and observers who completed structured questionnaires about patients' semiological seizure features at the initial clinical visit. Inter-rater reliability was assessed using Cohen's kappa and indices of positive and negative agreement. Patients ... Read more >>

Ann Clin Transl Neurol (Annals of clinical and translational neurology)
[2019, 6(12):2601-2606]

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A Case Report of Schizoaffective Disorder with Pseudoseizures in a 42-year-old Male.

Emmanuel Tito, Blayne Knapp, Anthony Bucca, Eduardo D Espiridion,

Psychogenic nonepileptic seizures (PNES), historically referred to as pseudoseizures or hysterical seizures, are sudden disturbances of motor, sensory, autonomic, cognitive, or emotional functions that can mimic epileptic seizures. PNES have a psychologic etiology related to dissociative disorders or conversion disorders, as opposed to the abnormally excessive neuronal activity found in ... Read more >>

Cureus (Cureus)
[2019, 11(6):e4835]

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The Role of EEG in the Erroneous Diagnosis of Epilepsy.

Ushtar Amin, Selim R Benbadis,

Errors in diagnosis are relatively common in medicine and occur in all specialties. The consequences can be serious for both patients and physicians. Errors in neurology are often because of the overemphasis on 'tests' over the clinical picture. The diagnosis of epilepsy in general is a clinical one and is ... Read more >>

J Clin Neurophysiol (Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society)
[2019, 36(4):294-297]

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Ultra-long-term subcutaneous home monitoring of epilepsy-490 days of EEG from nine patients.

Sigge Weisdorf, Jonas Duun-Henriksen, Marianne J Kjeldsen, Frantz R Poulsen, Sirin W Gangstad, Troels W Kjaer,

OBJECTIVE:To explore the feasibility of home monitoring of epilepsy patients with a novel subcutaneous electroencephalography (EEG) device, including clinical implications, safety, and compliance via the first real-life test. METHODS:We implanted a beta-version of the 24/7 EEG SubQ (UNEEG Medical A/S, Denmark) subcutaneously in nine participants with temporal lobe epilepsy. Data ... Read more >>

Epilepsia (Epilepsia)
[2019, 60(11):2204-2214]

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Distributed source analysis of magnetoencephalography using a volume head model combined with statistical methods improves focus diagnosis in epilepsy surgery.

Tomotaka Ishizaki, Satoshi Maesawa, Daisuke Nakatsubo, Hiroyuki Yamamoto, Sou Takai, Masashi Shibata, Sachiko Kato, Jun Natsume, Minoru Hoshiyama, Toshihiko Wakabayashi,

Deep-seated epileptic focus estimation using magnetoencephalography is challenging because of its low signal-to-noise ratio and the ambiguity of current sources estimated by interictal epileptiform discharge (IED). We developed a distributed source (DS) analysis method using a volume head model as the source space of the forward model and standardized low-resolution ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):5263]

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Identification of PCDH19 Gene Mutations/Deletions in Patients with Early Onset Epilepsy.

Semra Gursoy, Esra Ataman, Bahar Toklu Baysal, Berk Özyılmaz, Pınar Gençpınar, Ayşe Semra Hız, Uluç Yiş, Aycan Ünalp, Nihal Olgaç Dündar, Ayfer Ülgenalp, Derya Erçal,

Background and Aims:PCDH19 gene, which encodes protocadherin 19, is associated with epilepsy and intellectual disability, mainly in affected females. The clinical manifestations are heterogeneous and the main features include early onset seizure, generalized or focal seizures sensitive to fever, and brief seizures occurring in clusters. The disorders exhibit a unique ... Read more >>

Ann Indian Acad Neurol (Annals of Indian Academy of Neurology)
[2020, 23(2):206-210]

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The experience of the multidisciplinary team in epilepsy management from a resource-limited country.

Wei Li, Nanya Hao, Wenyu Liu, Dongmei An, Bo Yan, Jinmei Li, Ling Liu, Rong Luo, Heng Zhang, Ding Lei, Dong Zhou,

Objective:The use of multidisciplinary teams (MDTs) is a global trend in disease management, while China is still at the exploratory stage MDTs. We aimed to summarize our experience and assess the impact of MDT use in managing patients with epilepsy and optimizing their seizure outcomes. Methods:Our MDT is staffed with ... Read more >>

Epilepsia Open (Epilepsia open)
[2019, 4(1):85-91]

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Epileptological aspects of juvenile neuronal ceroid lipofuscinosis (CLN3 disease) through the lifespan.

Vibeke Arntsen, John Strandheim, Ingrid B Helland, Trond Sand, Eylert Brodtkorb,

PURPOSE:Juvenile neuronal ceroid lipofuscinosis (CLN3 disease) is the most common neurodegenerative disorder in childhood with survival until young adult age. Visual loss is followed by epilepsy, cognitive, neuropsychiatric, and motor symptoms. We have studied the evolution of electroencephalographic (EEG) and seizure characteristics. METHODS:Twenty-four patients were recruited via the Norwegian CLN3 ... Read more >>

Epilepsy Behav (Epilepsy & behavior : E&B)
[2019, 94:59-64]

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Treatment of psychoses in patients with epilepsy: an update.

Niruj Agrawal, Marco Mula,

Psychotic disorders represent a relatively rare but serious comorbidity in epilepsy. Current epidemiological studies are showing a point prevalence of 5.6% in unselected samples of people with epilepsy going up to 7% in patients with temporal lobe epilepsy, with a pooled odds ratio of 7.8 as compared with the general ... Read more >>

Ther Adv Psychopharmacol (Therapeutic advances in psychopharmacology)
[2019, 9:2045125319862968]

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Epilepsy in spinocerebellar ataxia type 8: a case report.

Arun Swaminathan,

BACKGROUND:Spinocerebellar ataxia type 8 is an uncommon genetic condition and presents with gait disturbances, ataxia, dysarthria, nystagmus, and cognitive and psychiatric abnormalities. Seizures are extremely uncommon in the spinocerebellar ataxias and have been reported only once before in a patient with spinocerebellar ataxia type 8. This case report highlights the ... Read more >>

J Med Case Rep (Journal of medical case reports)
[2019, 13(1):333]

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AIMP1 Mutation Long-Term Follow-Up, With Decreased Brain N-Acetylaspartic Acid and Secondary Mitochondrial Abnormalities.

Aneal Khan, Jennifer Bennett, Morris H Scantlebury, Xing-Chang Wei, Marina Kerr,

Aminoacyl transfer RNA (tRNA) synthetase complex-interacting multifunctional protein I is a noncatalytic component of tRNA multi-synthetase complexes. Although important in joining tRNAs to their cognate amino acids, AIMP1 has several other functions including axonal growth, cytokine activity, and interactions with N-acetylaspartic acid in ribosomal tRNA synthetase complexes. Further, N-acetylaspartic acid ... Read more >>

Child Neurol Open (Child neurology open)
[2019, 6:2329048X19829520]

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Adult EEG.

Anteneh M Feyissa, William O Tatum,

After more than 85 years of development and use in clinical practice, the electroencephalogram (EEG) remains a dependable, inexpensive, and useful diagnostic tool for the investigation of the electrophysiologic activity of the brain. The advent of digital technology has led to greater sophistication and multiple software applications to extend the ... Read more >>

Handb Clin Neurol (Handbook of clinical neurology)
[2019, 160:103-124]

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POGZ-related epilepsy: Case report and review of the literature.

Alessandro Ferretti, Sabina Barresi, Marina Trivisano, Andrea Ciolfi, Maria L Dentici, Francesca C Radio, Federico Vigevano, Marco Tartaglia, Nicola Specchio,

POGZ (# 614787) encodes a multidomain nuclear protein involved in transcriptional regulation and its defective function has been recently associated with a syndromic neurodevelopmental disorder, known as White-Sutton syndrome (# 616364). While originally epileptic seizures were unreported, it seems that epilepsy represents a recurrent feature in affected subjects. Few data, ... Read more >>

Am. J. Med. Genet. A (American journal of medical genetics. Part A)
[2019, 179(8):1631-1636]

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Elevation in plasma tRNA fragments precede seizures in human epilepsy.

Marion C Hogg, Rana Raoof, Hany El Naggar, Naser Monsefi, Norman Delanty, Donncha F O'Brien, Sebastian Bauer, Felix Rosenow, David C Henshall, Jochen Hm Prehn,

Transfer RNAs (tRNAs) are a major class of noncoding RNA. Stress-induced cleavage of tRNA is highly conserved and results in tRNA fragments. Here we find specific tRNA fragments in plasma are associated with epilepsy. Small RNA sequencing of plasma samples collected during video-EEG monitoring of focal epilepsy patients identified significant ... Read more >>

J. Clin. Invest. (The Journal of clinical investigation)
[2019, 129(7):2946-2951]

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Neurotoxicity of novel cancer immunotherapies.

M D Willis, N P Robertson,

J. Neurol. (Journal of neurology)
[2019, 266(8):2087-2089]

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SUDEP in the North American SUDEP Registry: The full spectrum of epilepsies.

Chloe Verducci, Fizza Hussain, Elizabeth Donner, Brian D Moseley, Jeffrey Buchhalter, Dale Hesdorffer, Daniel Friedman, Orrin Devinsky,

OBJECTIVE:To obtain medical records, family interviews, and death-related reports of sudden unexpected death in epilepsy (SUDEP) cases to better understand SUDEP. METHODS:All cases referred to the North American SUDEP Registry (NASR) between October 2011 and June 2018 were reviewed; cause of death was determined by consensus review. Available medical records, ... Read more >>

Neurology (Neurology)
[2019, 93(3):e227-e236]

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Epilepsy and genetic in Rett syndrome: A review.

Francesca Felicia Operto, Roberta Mazza, Grazia Maria Giovanna Pastorino, Alberto Verrotti, Giangennaro Coppola,

INTRODUCTION:Rett syndrome (RTT) is a severe X-linked neurodevelopmental disorder that primarily affects girls, with an incidence of 1:10,000-20,000. The diagnosis is based on clinical features: an initial period of apparently normal development (ages 6-12 months) followed by a rapid decline with regression of acquired motor skills, loss of spoken language and ... Read more >>

Brain Behav (Brain and behavior)
[2019, 9(5):e01250]

Cited: 2 times

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Comparison of electroencephalographic findings with hippocampal magnetic resonance imaging volumetry in dogs with idiopathic epilepsy.

Adriana Czerwik, Marta Płonek, Przemyslaw Podgórski, Marcin Wrzosek,

BACKGROUND:In humans, temporal lobe epilepsy (TLE), is a type of focal epilepsy occurring mainly in the mesial TLE (mTLE), commonly associated with hippocampal sclerosis (HS). OBJECTIVES:According to recent studies, TLE might also occur in dogs and could be associated with hippocampal atrophy (HA)/HS. To date, hippocampal lesions have not been ... Read more >>

J. Vet. Intern. Med. (Journal of veterinary internal medicine)
[2018, 32(6):2037-2044]

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Clinical Assessments and EEG Analyses of Encephalopathies Associated With Dynamin-1 Mutation.

Hua Li, Fang Fang, Manting Xu, Zhimei Liu, Ji Zhou, Xiaohui Wang, Xiaofei Wang, Tongli Han,

Epileptic encephalopathy, caused by mutations in the dynamin-1 (DNM1; NM_004408) gene, is a newly identified neurologic disorder in children. Thus far, the full clinical and electroencephalographic features of children with DNM1 mutation-related epileptic encephalopathy have not been established. The aim of this study is to characterize the phenotypic, genetic, and ... Read more >>

Front Pharmacol (Frontiers in Pharmacology)
[2019, 10:1454]

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Epilepsy Benchmarks Area IV: Limit or Prevent Adverse Consequence of Seizures and Their Treatment Across the Life Span.

Jana E Jones, Miya R Asato, Mesha-Gay Brown, Julia L Doss, Elizabeth A Felton, Jennifer A Kearney, Delia Talos, Penny A Dacks, Vicky Whittemore, Annapurna Poduri, ,

Epilepsy represents a complex spectrum disorder, with patients sharing seizures as a common symptom and manifesting a broad array of additional clinical phenotypes. To understand this disorder and treat individuals who live with epilepsy, it is important not only to identify pathogenic mechanisms underlying epilepsy but also to understand their ... Read more >>

Epilepsy Curr (Epilepsy currents)
[2020, 20(1_suppl):31S-39S]

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mTOR-Related Cell-Clearing Systems in Epileptic Seizures, an Update.

Fiona Limanaqi, Francesca Biagioni, Carla Letizia Busceti, Cinzia Fabrizi, Alessandro Frati, Francesco Fornai,

Recent evidence suggests that autophagy impairment is implicated in the epileptogenic mechanisms downstream of mTOR hyperactivation. This holds true for a variety of genetic and acquired epileptic syndromes besides malformations of cortical development which are classically known as mTORopathies. Autophagy suppression is sufficient to induce epilepsy in experimental models, while ... Read more >>

Int J Mol Sci (International journal of molecular sciences)
[2020, 21(5):]

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Inappropriate Laughter and Behaviours: How, What, and Why? Case of an Adult with Undiagnosed Gelastic Seizure with Hypothalamic Hamartoma.

Nina L Beckwith, Jaclyn C Khil, Jason Teng, Kore K Liow, Alice Smith, Jesus Luna,

Gelastic seizures (GS) are a rare form of epilepsy characterized by inappropriate, uncontrolled laughter. They are highly associated with abnormal cognitive development and behavioral problems in patients. Research has shown that GS can originate from hypothalamic hamartomas (HH), non- neoplastic masses consisting of gray matter with large and small neurons ... Read more >>

Hawaii J Med Public Health (Hawai'i journal of medicine & public health : a journal of Asia Pacific Medicine & Public Health)
[2018, 77(12):319-324]

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