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epilepsy; seizures

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https://www.readbyqxmd.com/read/29346599/magnetic-resonance-imaging-guided-laser-interstitial-thermal-therapy-for-the-treatment-of-hypothalamic-hamartomas-a-retrospective-review
#1
David S Xu, Tsinsue Chen, Randall J Hlubek, Ruth E Bristol, Kris A Smith, Francisco A Ponce, John F Kerrigan, Peter Nakaji
BACKGROUND: Hypothalamic hamartomas (HH) are rare lesions associated with treatment-resistant epilepsy. Open surgery results in modest seizure control (about 50%) but has a significant associated morbidity. Radiosurgery is limited to a subset of patients due to latent therapeutic effects. Magnetic resonance imaging-guided laser interstitial thermal therapy (LITT) offers a novel minimally invasive option. OBJECTIVE: To evaluate a single center's outcomes for the LITT treatment of HH...
January 13, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29346105/automated-detection-of-postictal-generalized-eeg-suppression
#2
Wanchat Theeranaew, James McDonald, Bilal Zonjy, Farhad Kaffashi, Brian D Moseley, Daniel Friedman, Elson So, James Tao, Maromi Nei, Philippe Ryvlin, Rainer Surges, Roland Thijs, Stephan Schuele, Samden Lhatoo, Kenneth A Loparo
Although there is no strict consensus, some studies have reported that Postictal generalized EEG suppression (PGES) is a potential electroencephalographic (EEG) biomarker for risk of sudden unexpected death in epilepsy (SUDEP). PGES is an epoch of EEG inactivity after a seizure, and the detection of PGES in clinical data is extremely difficult due to artifacts from breathing, movement and muscle activity that can adversely affect the quality of the recorded EEG data. Even clinical experts visually interpreting the EEG will have diverse opinions on the start and end of PGES for a given patient...
February 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/29346088/intense-olfactory-stimulation-blocks-seizures-in-an-experimental-model-of-epilepsy
#3
Polianna Delfino-Pereira, Poliana Bertti-Dutra, Eduardo Henrique de Lima Umeoka, José Antônio Cortes de Oliveira, Victor Rodrigues Santos, Artur Fernandes, Simone Saldanha Marroni, Flávio Del Vecchio, Norberto Garcia-Cairasco
There are reports of patients whose epileptic seizures are prevented by means of olfactory stimulation. Similar findings were described in animal models of epilepsy, such as the electrical kindling of amygdala, where olfactory stimulation with toluene (TOL) suppressed seizures in most rats, even when the stimuli were 20% above the threshold to evoke seizures in already kindled animals. The Wistar Audiogenic Rat (WAR) strain is a model of tonic-clonic seizures induced by acute acoustic stimulation, although it also expresses limbic seizures when repeated acoustic stimulation occurs - a process known as audiogenic kindling (AK)...
January 12, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29344473/intractable-epilepsy-with-solitary-cerebral-calcification
#4
Kyoung Jin Hwang, Jiyoung Kim, Eun Yeon Joo, Seung Bong Hong, Seung-Chyul Hong, Dae Won Seo
Cerebral calcification is a common incidental finding upon brain imaging and its epileptogenicity is often underestimated. Here, we report a case of intractable epilepsy arising in conjunction with a solitary cerebral calcification. A 42-year-old male with intractable epilepsy was admitted to the epilepsy clinic for invasive epilepsy surgery. Brain magnetic resonance imaging revealed a slight high-intensity signal change in the right amygdala and a small, calcified lesion in the right lateral temporal region...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344469/successful-use-of-therapeutic-hypothermia-for-refractory-nonconvulsive-status-epilepticus
#5
Do-Hyung Kim, Hye-Hoon Kang, Minjung Kim, Tae-Won Yang, Oh-Young Kwon, Jung Sook Yeom, Bong Su Kang, Yong Hwan Kim, Young-Soo Kim
Therapeutic hypothermia (TH) has rarely been utilized as an adjunct to anticonvulsants in treating patients with refractory convulsive status epilepticus (CSE). However, determining the effectiveness of TH in CSE is difficult due to the unavoidable use of sedative drugs to manage hypothermia. Additionally, the effectiveness of TH has not been studied in patients with refractory non-convulsive status epilepticus (NCSE). Here, we report the successful use of TH without additional sedative drugs in a patient with temporal lobe epilepsy and refractory NCSE...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344467/longitudinal-change-in-thyroid-hormone-levels-in-children-with-epilepsy-on-a-ketogenic-diet-prevalence-and-risk-factors
#6
Yun-Jin Lee, Sang Ook Nam, Kyung-Min Kim, Young Mi Kim, Gyu Min Yeon
Background and Purpose: The aim of this study is to evaluate the prevalence of hypothyroidism and the change of thyroid hormone level in the children with epilepsy on a ketogenic diet (KD). Methods: The levels of serum free thyroxine (fT4) and thyroid-stimulation hormone (TSH) were measured at the start of the KD and at 6- to 12-month intervals in children with intractable epilepsy. Hypothyroidism was defined as fT4 level < 0.8 ng/dL and TSH level > 6.0 μIU/mL...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344466/comparison-of-autonomic-function-before-and-after-surgical-intervention-in-patients-with-temporal-lobe-epilepsy
#7
Navita Choudhary, Kishore K Deepak, Poodipedi S Chandra, Shalini Bhatia, Rajesh Sagar, Ashok K Jaryal, Ravindra M Pandey, Manjari Tripathi
Background and Purpose: Refractory temporal lobe epilepsy (TLE) is commonly associated with imbalances in cardiovascular (CV) parasympathetic and sympathetic functions, which are treated using TLE surgery. We investigated the effect of hemispheric lateralization of seizure foci on autonomic CV functions before and after TLE surgery. Methods: The study was conducted on patients with left TLE (LTLE, n = 23) and right TLE (RTLE, n = 30) undergoing unilateral TLE surgery...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344465/grey-and-white-matter-alterations-in-juvenile-myoclonic-epilepsy-a-comprehensive-review
#8
REVIEW
Ji Hyun Kim
Juvenile myoclonic epilepsy (JME) has been classified as a syndrome of idiopathic generalized epilepsy and is characterized by a strong genetic basis, age-specific onset of seizures, specific types of seizures, generalized spike-wave discharges on electroencephalography, and a lack of focal abnormality on magnetic resonance imaging (MRI). Recently, a wide range of advanced neuroimaging techniques have been utilized to elucidate the neuroanatomical substrates and pathophysiological mechanisms underlying JME...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344464/cannabinoids-in-the-treatment-of-epilepsy-hard-evidence-at-last
#9
REVIEW
Emilio Perucca
The interest in cannabis-based products for the treatment of refractory epilepsy has skyrocketed in recent years. Marijuana and other cannabis products with high content in Δ(9) - tetrahydrocannabinol (THC), utilized primarily for recreational purposes, are generally unsuitable for this indication, primarily because THC is associated with many undesired effects. Compared with THC, cannabidiol (CBD) shows a better defined anticonvulsant profile in animal models and is largely devoid of adverse psychoactive effects and abuse liability...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29343804/compound-heterozygous-spata5-variants-in-four-families-and-functional-studies-of-spata5-deficiency
#10
Sanna Puusepp, Reka Kovacs-Nagy, Bader Alhaddad, Matthias Braunisch, Georg F Hoffmann, Urania Kotzaeridou, Lucia Lichvarova, Mailis Liiv, Christine Makowski, Merle Mandel, Thomas Meitinger, Sander Pajusalu, Richard J Rodenburg, Dzhamilja Safiulina, Tim M Strom, Inga Talvik, Annika Vaarmann, Callum Wilson, Allen Kaasik, Tobias B Haack, Katrin Õunap
Variants in the SPATA5 gene were recently described in a cohort of patients with global developmental delay, sensorineural hearing loss, seizures, cortical visual impairment and microcephaly. SPATA5 protein localizes predominantly in the mitochondria and is proposed to be involved in mitochondrial function and brain developmental processes. However no functional studies have been performed. This study describes five patients with psychomotor developmental delay, microcephaly, epilepsy and hearing impairment, who were thought clinically to have a mitochondrial disease with subsequent whole-exome sequencing analysis detecting compound heterozygous variants in the SPATA5 gene...
January 17, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29343677/prognostic-factors-in-glioblastoma-is-there-a-role-for-epilepsy
#11
Mauro Dobran, Davide Nasi, Stefano Chiriatti, Maurizio Gladi, Lucia di Somma, Maurizio Iacoangeli, Massimo Scerrati
The prognostic relevance of epilepsy at glioblastoma (GBMs) onset is still under debate. In this study, we analyzed the value of epilepsy and other prognostic factors on GBMs survival. We retrospectively analyzed the clinical, radiological, surgical and histological data in 139 GBMs. Seizures were the presenting symptoms in 50 patients out of 139 (35.9%). 123 patients (88%) were treated with craniotomy and tumor resection while 16 (12%) with biopsy. The median overall survival was 9.9 months from surgery. At univariable Cox regression, the factors that significantly improved survival were age less than 65 years (P = 0...
January 16, 2018: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/29341109/the-prescribable-drugs-with-efficacy-in-experimental-epilepsies-pde3-database-for-drug-repurposing-research-in-epilepsy
#12
Shayeeshan Sivapalarajah, Mathangi Krishnakumar, Harry Bickerstaffe, YikYing Chan, Joseph Clarkson, Alistair Hampden-Martin, Ahmad Mirza, Matthew Tanti, Anthony Marson, Munir Pirmohamed, Nasir Mirza
OBJECTIVE: Current antiepileptic drugs (AEDs) have several shortcomings. For example, they fail to control seizures in 30% of patients. Hence, there is a need to identify new AEDs. Drug repurposing is the discovery of new indications for approved drugs. This drug "recycling" offers the potential of significant savings in the time and cost of drug development. Many drugs licensed for other indications exhibit antiepileptic efficacy in animal models. Our aim was to create a database of "prescribable" drugs, approved for other conditions, with published evidence of efficacy in animal models of epilepsy, and to collate data that would assist in choosing the most promising candidates for drug repurposing...
January 17, 2018: Epilepsia
https://www.readbyqxmd.com/read/29341105/metabolomic-characterization-of-human-hippocampus-from-drug-resistant-epilepsy-with-mesial-temporal-seizure
#13
Julien Detour, Caroline Bund, Charles Behr, Hélène Cebula, Ercument A Cicek, Maria-Paola Valenti-Hirsch, Béatrice Lannes, Benoît Lhermitte, Astrid Nehlig, Pierre Kehrli, François Proust, Edouard Hirsch, Izzie-Jacques Namer
OBJECTIVE: Within a complex systems biology perspective, we wished to assess whether hippocampi with established neuropathological features have distinct metabolome. Apparently normal hippocampi with no signs of sclerosis (noHS), were compared to hippocampal sclerosis (HS) type 1 (HS1) and/or type 2 (HS2). Hippocampus metabolome from patients with epilepsy-associated neuroepithelial tumors (EANTs), namely, gangliogliomas (GGs) and dysembryoplastic neuroepithelial tumors (DNTs), was also compared to noHS epileptiform tissue...
January 17, 2018: Epilepsia
https://www.readbyqxmd.com/read/29340132/effect-of-epilepsy-on-autism-symptoms-in-angelman-syndrome
#14
Kristin A Bakke, Patricia Howlin, Lars Retterstøl, Øivind J Kanavin, Arvid Heiberg, Terje Nærland
Background: Autism spectrum disorder and epilepsy often co-occur; however, the extent to which the association between autism symptoms and epilepsy is due to shared aetiology or to the direct effects of seizures is a topic of ongoing debate. Angelman syndrome (AS) is presented as a suitable disease model to explore this association. Methods: Data from medical records and questionnaires were used to examine the association between age of epilepsy onset, autism symptoms, genetic aberration and communication level...
2018: Molecular Autism
https://www.readbyqxmd.com/read/29338667/docosahexaenoic-acid-prevents-resistance-to-antiepileptic-drugs-in-two-animal-models-of-drug-resistant-epilepsy
#15
Melika Moezifar, Mohammad Sayyah, Morteza Zendehdel, Hakimeh Gavzan
OBJECTIVES: One-third of epileptic patients are resistant to antiepileptic drugs. Few clinical studies with small sample size indicate that polyunsaturated fatty acids could control drug-resistant epilepsy. We examined the efficacy of acute and chronic administration of docosahexaenoic acid (DHA) in two animal models of drug-resistant epilepsies, i.e. 6-Hz psychomotor seizures in mice and lamotrigine (LTG)-resistant kindled rats. METHODS: Mice received a single injection of DHA (300 µM, i...
January 16, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29338461/mtor-dysregulation-and-tuberous-sclerosis-related-epilepsy
#16
Paolo Curatolo, Romina Moavero, Jackelien van Scheppingen, Eleonora Aronica
The mammalian target of rapamycin (mTOR) pathway has emerged as a key player for proper neural network development, and it is involved in epileptogenesis triggered by both genetic or acquired factors. Areas covered. The robust mTOR signaling deregulation observed in a large spectrum of epileptogenic developmental pathologies, such as focal cortical dysplasias and tuberous sclerosis complex (TSC), has been linked to germline and somatic mutations in mTOR pathway regulatory genes, increasing the spectrum of "mTORopathies"...
January 17, 2018: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29337455/-pediatrics-new-classification-of-seizures-and-epilepsies
#17
Sébastien Lebon, Éliane Roulet-Perez
The International League Against Epilepsy published a new classification of epileptic seizures and epilepsies. It is more transparent and important notions like etiologies and comorbities have been added. The identification of seizures, epilepsies then epilepsy syndromes constitutes the three steps of this classification.
January 10, 2018: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29336937/the-combination-of-stereo-eeg-and-radiofrequency-ablation
#18
Hélène Catenoix, Pierre Bourdillon, Marc Guénot, Jean Isnard
SEEG-guided radiofrequency thermocoagulation (SEEG-guided RFTC), a combination of Stereo-electroencephalography (SEEG) and radiofrequency thermocoagulation (RFTC), has been performed since 2001 in drug resistant epilepsy. The interest of this procedure is to aim at total or partial destruction of the epileptogenic zone, as tailored in each individual patient by the SEEG exploration. These multiple SEEG-guided RFTC lesions of epileptic foci are produced by using a radiofrequency generator connected to the electrode contacts...
January 9, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29336266/design-synthesis-evaluation-and-computational-studies-of-nipecotic-acid-acetonaphthone-hybrids-as-potential-antiepileptic-agents
#19
Ankit Seth, Piyoosh A Sharma, Avanish Tripathi, Priyanka K Choubey, Pavan Srivastava, Prabhash N Tripathi, Sushant Kumar Shrivastava
BACKGROUND: Nipecotic acid is considered to be one of the most potent inhibitors of neuronal and glial γ- aminobutyric acid (GABA) uptake in vitro. However nipecotic acid does not readily cross the blood-brain barrier (BBB) following peripheral administration, owing to its hydrophilic nature. OBJECTIVE: A series of substituted acetonaphthones tethered nipecotic acid derivatives were designed and synthesized with an aim to improve the lipophilicity and the blood-brain barrier (BBB) permeation...
January 15, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29336036/the-incidence-and-significance-of-periictal-apnea-in-epileptic-seizures
#20
Nuria Lacuey, Bilal Zonjy, Johnson P Hampson, M R Sandhya Rani, Anita Zaremba, Rup K Sainju, Brian K Gehlbach, Stephan Schuele, Daniel Friedman, Orrin Devinsky, Maromi Nei, Ronald M Harper, Luke Allen, Beate Diehl, John J Millichap, Lisa Bateman, Mark A Granner, Deidre N Dragon, George B Richerson, Samden D Lhatoo
OBJECTIVE: The aim of this study was to investigate periictal central apnea as a seizure semiological feature, its localizing value, and possible relationship with sudden unexpected death in epilepsy (SUDEP) pathomechanisms. METHODS: We prospectively studied polygraphic physiological responses, including inductance plethysmography, peripheral capillary oxygen saturation (SpO2 ), electrocardiography, and video electroencephalography (VEEG) in 473 patients in a multicenter study of SUDEP...
January 16, 2018: Epilepsia
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