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Autonomic seizure

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https://www.readbyqxmd.com/read/28709879/the-neural-bases-of-ictal-tachycardia-in-temporal-lobe-seizures
#1
Florian Chouchou, Romain Bouet, Vincent Pichot, Hélène Catenoix, François Mauguière, Julien Jung
OBJECTIVE: Due to limited information from scalp electroencephalographic (EEG) recordings, brain areas driving changes in cardiac rhythm during Temporal lobe (TL) seizures are not clearly identified. Using stereotactic EEG (SEEG) recordings, we aimed at identifying which of the brain regions involved in autonomic control trigger ictal tachycardia. METHODS: The neural activity of several mesial temporal lobe structures including amygdala, hippocampus, insula, and lateral temporal lobe recorded with SEEG were collected during 37 TL seizures in 9 patients, using indices based on High Frequency Activity (HFA)...
June 27, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28660470/psychosis-secondary-to-an-incidental-teratoma-a-heads-up-for-psychiatrists-and-gynecologists
#2
Jeanette Voice, Jane M Ponterio, Nisha Lakhi
Anti-N-methyl-D-aspartate receptor encephalitis is a potentially fatal form of autoimmune encephalitis that originates secondary to a host immune response to neural tissue within a teratoma. We describe the case of a 17-year old girl who presented with acute onset psychosis, catatonic movements, urinary incontinence, fever, tachycardia, and fluctuating periods of hypotension and hypertension. A CT scan demonstrated an incidental 6 cm ovarian teratoma. The patient fully recovered after ovarian cystectomy, followed by medical management with intravenous immunoglobins and plasmapheresis...
June 28, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/28644201/insular-epilepsy-semiology-and-noninvasive-investigations
#3
Sami Obaid, Younes Zerouali, Dang Khoa Nguyen
In this review, authors discuss the semiology and noninvasive investigations of insular epilepsy, an underrecognized type of epilepsy, which may mimic other focal epilepsies. In line with the various functions of the insula and its widespread network of connections, insular epilepsy may feature a variety of early ictal manifestations from somatosensory, visceral, olfactory, gustatory, or vestibular manifestations. Depending on propagation pathways, insular seizures may also include altered consciousness, dystonic posturing, complex motor behaviors, and even autonomic features...
July 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28644064/frequent-vomiting-attacks-in-a-patient-with-lhermitte-duclos-disease-a-rare-pathophysiology-of-cerebellar-lesions
#4
Chika Somagawa, Tomonori Ono, Ryoko Honda, Hiroshi Baba, Takeshi Hiu, Ryujiro Ushijima, Keisuke Toda, Kei Sato, Masahiro Ito, Keisuke Tsutsumi
Lhermitte-Duclos disease (LDD) is a neurological disease caused by a hamartomatous lesion in the cerebellum. Clinically, LDD is commonly associated with progressive space-occupying lesion effects in the posterior fossa, increasing intracranial pressure, occlusive hydrocephalus, and focal neurological deficits of adjacent structures. The authors report the case of a 10-year-old boy with LDD who had been suffering from vomiting attacks (VAs). These VAs had been brief in duration but extremely frequent, and they had been resistant to antiemetic drugs since the early postnatal period...
June 23, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28643843/perisylvian-including-insular-childhood-epilepsy-presurgical-workup-and-surgical-outcome
#5
Elena Freri, Sara Matricardi, Francesca Gozzo, Massimo Cossu, Tiziana Granata, Laura Tassi
OBJECTIVE: To report the presurgical workup, surgical procedures, and outcomes in a series of pediatric patients with drug-resistant epilepsy involving the perisylvian/insular regions. METHODS: We retrospectively assessed 16 pediatric patients affected by drug-resistant focal epilepsy involving perisylvian/insular regions, who consecutively underwent tailored resective surgery. All patients underwent a detailed presurgical workup, which included the analysis of the anatomoelectroclinical correlations with scalp electroencephalography (EEG) and/or with stereo-electroencephalography (SEEG), brain magnetic resonance imaging (MRI), and comprehensive cognitive and neuropsychological evaluations...
June 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28622546/the-semiology-of-febrile-seizures-focal-features-are-frequent
#6
Michihiko Takasu, Tetsuo Kubota, Takeshi Tsuji, Hirokazu Kurahashi, Shingo Numoto, Kazuyoshi Watanabe, Akihisa Okumura
OBJECTIVE: To clarify the semiology of febrile seizures (FS) and to determine the frequency of FS with symptoms suggestive of focal onset. METHODS: FS symptoms in children were reported within 24h of seizure onset by the parents using a structured questionnaire consisting principally of closed-ended questions. We focused on events at seizure commencement, including changes in behavior and facial expression, and ocular and oral symptoms. We also investigated the autonomic and motor symptoms developing during seizures...
June 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28617378/-the-influence-of-growing-seizure-readiness-on-the-autonomic-regulation-of-the-heart
#7
M L Mamalyga, L M Mamalyga
AIM: To study the functional state of the heart in a progressive increase of seizure readiness (SR) due to pentylenetetrazole kindling. MATERIAL AND METHODS: The study was carried out on male rats of the Wistar line. Simultaneous telemetric monitoring of electrocardiogram and electroencephalogram on-line was used. Individual SR of animals in 7- and 27 day pentylenetetrazole kindling was determined. RESULTS: The decrease in the index of LF/HF after 7 days of kindling reflects a compensatory reaction of the autonomic nervous system...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28603689/spiders-ladybugs-and-bees-a-case-of-unusual-sensations-in-a-child-with-cingulate-epilepsy
#8
Robyn Whitney, Sameer AlMehmadi, Cristina Go, Ayako Ochi, Hiroshi Otsubo, Laura Bradbury, Kevin Jones, Eisha Christian, James Rutka, Bláthnaid McCoy
Cingulate epilepsy is a rare form of epilepsy. Seizures from the anterior cingulate may present with mood change, fear, hypermotor activity, and autonomic signs, while posterior cingulate seizures resemble temporal lobe seizures. We describe a child with cingulate epilepsy who experienced unpleasant/painful sensory phenomenon. The sensations were described as spiders crawling on his forehead/right leg, ladybugs causing right ear pain and bees stinging his head/right extremities. Unpleasant sensory phenomenon/pain are rarely reported in cingulate epilepsy...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/28593865/the-semiology-of-benign-focal-epilepsy-with-affective-symptoms
#9
Fábio A Nascimento, Márcio A Sotero de Menezes, Cristiane A Simão, Bruno T Takeshita, Samanta F Blattes da Rocha, Pedro A Kowacs
Benign focal epilepsy with affective symptoms (BFEAS) is a rare childhood epilepsy syndrome essentially characterized by "epileptic attacks with affective symptoms of a terrifying type". Since the original description, approximately 50 cases have been reported. To our knowledge, however, none of the studies included video-EEG data. Herein, we detail the electroclinical features of a neurodevelopmentally normal 9-year-old boy with epilepsy since the age of 2 years. His seizure semiology essentially consisted of nocturnal focal seizures featuring abrupt fear and autonomic phenomena (such as excessive sweating, repeated swallowing, and coughing), associated with impaired consciousness...
June 1, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28574218/a-novel-mutation-in-gmppa-in-siblings-with-apparent-intellectual-disability-epilepsy-dysmorphism-and-autonomic-dysfunction
#10
Wendy A Gold, Nara Sobreira, Elsa Wiame, Alexandre Marbaix, Emile Van Schaftingen, Patricia Franzka, Lisa G Riley, Lisa Worgan, Christian A Hübner, John Christodoulou, Lesley C Adès
GMPPA encodes the GDP-mannose pyrophosphorylase A protein (GMPPA). The function of GMPPA is not well defined, however it is a homolog of GMPPB which catalyzes the reaction that converts mannose-1-phosphate and guanosine-5'-triphosphate to GDP-mannose. Previously, biallelic mutations in GMPPA were reported to cause a disorder characterized by achalasia, alacrima, neurological deficits, and intellectual disability. In this study, we report a female proband with achalasia, alacrima, hypohydrosis, apparent intellectual disability, seizures, microcephaly, esotropia, and craniofacial dysmorphism...
August 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28572789/impaired-baroreflex-sensitivity-after-bilateral-convulsive-seizures-in-patients-with-focal-epilepsy
#11
Kevin G Hampel, Christian E Elger, Rainer Surges
BACKGROUND: Sudden unexpected death in epilepsy (SUDEP) is probably due to an autonomic failure in the early postictal phase after bilateral convulsive seizures (BCS) in the majority of cases. The baroreflex sensitivity (BRS) is an established and reliable biomarker of autonomic function and sudden cardiac death. OBJECTIVE: To investigate whether postictal BRS depends on seizure type. METHODS: Beat-to-beat systemic blood pressure and heart rate were continuously and non-invasively recorded with the ccNexfin(®) device in patients with focal epilepsy undergoing video-EEG monitoring...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28566546/familial-aggregation-of-focal-seizure-semiology-in-the-epilepsy-phenome-genome-project
#12
MULTICENTER STUDY
Steven Tobochnik, Robyn Fahlstrom, Catherine Shain, Melodie R Winawer
OBJECTIVE: To improve phenotype definition in genetic studies of epilepsy, we assessed the familial aggregation of focal seizure types and of specific seizure symptoms within the focal epilepsies in families from the Epilepsy Phenome/Genome Project. METHODS: We studied 302 individuals with nonacquired focal epilepsy from 149 families. Familial aggregation was assessed by logistic regression analysis of relatives' traits (dependent variable) by probands' traits (independent variable), estimating the odds ratio for each symptom in a relative given presence vs absence of the symptom in the proband...
July 4, 2017: Neurology
https://www.readbyqxmd.com/read/28555833/predictive-models-in-the-diagnosis-and-treatment-of-autoimmune-epilepsy
#13
Divyanshu Dubey, Jaysingh Singh, Jeffrey W Britton, Sean J Pittock, Eoin P Flanagan, Vanda A Lennon, Jan-Mendelt Tillema, Elaine Wirrell, Cheolsu Shin, Elson So, Gregory D Cascino, Dean M Wingerchuk, Matthew T Hoerth, Jerry J Shih, Katherine C Nickels, Andrew McKeon
OBJECTIVE: To validate predictive models for neural antibody positivity and immunotherapy response in epilepsy. METHODS: We conducted a retrospective study of epilepsy cases at Mayo Clinic (Rochester-MN; Scottsdale-AZ, and Jacksonville-FL) in whom autoimmune encephalopathy/epilepsy/dementia autoantibody testing profiles were requested (06/30/2014-06/30/2016). An Antibody Prevalence in Epilepsy (APE) score, based on clinical characteristics, was assigned to each patient...
July 2017: Epilepsia
https://www.readbyqxmd.com/read/28549245/analysis-of-heart-rate-variability-and-risk-factors-for-sudep-in-patients-with-drug-resistant-epilepsy
#14
Leyla Baysal-Kirac, Nail Güven Serbest, Erdi Şahin, Hava Özlem Dede, Candan Gürses, Ayşen Gökyiğit, Nerses Bebek, Ahmet Kaya Bilge, Betül Baykan
BACKGROUND: Cardiac problems have been suggested as causes of sudden unexpected death in epilepsy (SUDEP). Our aim was to investigate possible associations of cardiac autonomic functions based on heart rate variability (HRV) parameters with risk factors of SUDEP in patients with drug-resistant epilepsy. METHODS: Forty-seven patients with drug-resistant seizures and 45 healthy control subjects were enrolled in the study. Interictal time domain parameters of HRV were evaluated with 24-hour Holter recordings...
June 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28506504/anti-n-methyl-d-aspartate-receptor-encephalitis-appearing-as-a-new-onset-psychosis-disease-course-in-children-and-adolescents-within-the-california-encephalitis-project
#15
Mary Gable, Carol Glaser
BACKGROUND: Given that psychiatric symptoms are common, not only during the course of the illness but also on presentation, in children and adolescents with anti-N-methyl-d-aspartate receptor encephalitis, it is important that practitioners possess an adequate understanding of the clinical features and potential treatment of this disease. We describe the clinical characteristics of 24 patients who presented to the California Encephalitis Project. METHODS: Patients were referred by physicians, and standardized forms were used to gather demographic, clinical, and laboratory data...
July 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28506503/extended-clinical-spectrum-of-anti-n-methyl-d-aspartate-receptor-encephalitis-in-children-a-case-series
#16
Ajay Goenka, Vivek Jain, Hiroki Nariai, Alfred Spiro, Mitchell Steinschneider
OBJECTIVE: There is a wide spectrum of clinical manifestations in children with anti-N-methyl-d-aspartate (NMDA) receptor antibody encephalitis from two different health care settings. METHODS: We describe our experience with 13 patients (median age, 7 years; range, 5 months to 19 years) presenting to tertiary referral centers in India and the United States. RESULTS: Initial manifestations were neurological (seizures or movement disorders) in eight patients, and psychiatric (e...
July 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28506440/the-wistar-audiogenic-rat-war-strain-and-its-contributions-to-epileptology-and-related-comorbidities-history-and-perspectives
#17
Norberto Garcia-Cairasco, Eduardo H L Umeoka, José A Cortes de Oliveira
In the context of modeling epilepsy and neuropsychiatric comorbidities, we review the Wistar Audiogenic Rat (WAR), first introduced to the neuroscience international community more than 25years ago. The WAR strain is a genetically selected reflex model susceptible to audiogenic seizures (AS), acutely mimicking brainstem-dependent tonic-clonic seizures and chronically (by audiogenic kindling), temporal lobe epilepsy (TLE). Seminal neuroethological, electrophysiological, cellular, and molecular protocols support the WAR strain as a suitable and reliable animal model to study the complexity and emergent functions typical of epileptogenic networks...
June 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28464295/obstructive-apnea-due-to-laryngospasm-links-ictal-to-postictal-events-in-sudep-cases-and-offers-practical-biomarkers-for-review-of-past-cases-and-prevention-of-new-ones
#18
Mark Stewart, Richard Kollmar, Ko Nakase, Joshua Silverman, Krishnamurthi Sundaram, Rena Orman, Jason Lazar
Seizure spread into autonomic and respiratory brainstem regions is thought to play an important role in sudden unexpected death in epilepsy (SUDEP). As the clinical dataset of cases of definite SUDEP available for study grows, evidence points to a sequence of events that includes postictal apnea, bradycardia, and asystole as critical events that can lead to death. One possible link between the precipitating seizure and the critical postictal sequence is seizure-driven laryngospasm sufficient to completely obstruct the airway for an extended period, but ictal laryngospasm is difficult to fully assess...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28463934/occipito-frontal-sharp-waves-an-under-recognized-electroencephalogram-pattern-in-self-limited-idiopathic-childhood-focal-epilepsy
#19
Elaine Wyllie, Ahsan N V Moosa
We report four children who highlight the potentially under-recognized electroencephalogram pattern of bilaterally synchronous occipito-frontal sharp waves, which may occur in children with Panayiotopoulos type self-limited childhood epilepsy but may be easily confused with the patterns of symptomatic generalized epilepsy. Our patients were young, healthy children who had infrequent, predominantly nocturnal, fairly prolonged seizures characterized by altered consciousness, vomiting, and autonomic features, or in one case nocturnal secondary generalized tonic-clonic convulsion...
May 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28460334/maximal-exhaustive-treadmill-test-features-in-patients-with-temporal-lobe-epilepsy-search-for-sudden-unexpected-death-biomarkers
#20
Guilherme L Fialho, Arthur G Pagani, Roger Walz, Peter Wolf, Katia Lin
Autonomic dysfunction may account for sudden unexpected death in patients with epilepsy (PWE). On the other hand, low cardiovascular fitness, which may affect autonomic function, is a risk factor for sudden death and all-cause mortality in the general population. Little is known about autonomic variables and cardiovascular response to exercise in PWE. We submitted thirty consecutive PWE with no known cardiovascular diseases to maximal treadmill test, comparing them with matched controls. All individuals were submitted to clinical assessment, 12-lead electrocardiogram (ECG) and echocardiogram to exclude cardiovascular disease...
April 24, 2017: Epilepsy Research
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