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https://www.readbyqxmd.com/read/29245026/ketogenic-diet-induced-extension-of-longevity-in-epileptic-kcna1-null-mice-is-influenced-by-gender-and-age-at-treatment-onset
#1
Kyoung-Chul Chun, Shun-Chieh Ma, Hyoungil Oh, Jong M Rho, Do Young Kim
Sudden unexpected death in epilepsy (SUDEP) is a leading cause of premature mortality in patients with epilepsy, and has been linked to multiple risk factors, including gender and early age at seizure onset. Despite the lack of a targeted therapy for SUDEP, it has recently been shown that a high-fat, low carbohydrate ketogenic diet (KD) enhances longevity in the epileptic Kcna1-null (KO) mouse, a validated model of SUDEP. Here, we asked whether the KD-driven prolongation of lifespan in KO mice is dependent on sex and/or age at treatment onset...
November 21, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29236612/staff-response-times-in-the-epilepsy-monitoring-unit-a-study-of-diurnal-nocturnal-variability
#2
Natalie Witek, Susannah Cornes, Manu Hegde
Although inpatient epilepsy monitoring units (EMUs) are generally safe, seizures in this setting can still produce significant morbidity. The MORTEMUS (MORTality in Epilepsy Monitoring Unit Study) study revealed that the most feared consequence of an unattended seizure-sudden unexpected death in epilepsy (SUDEP)-does occur rarely in the EMU. Nearly all cases identified in that study occurred in the evening. The hypothesis for this study is that unwitnessed seizures would be more likely to occur during the night shift, and that response times to seizures would be slower at night, due to multiple variables...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/29225548/modulation-of-abnormal-sodium-channel-currents-in-heart-and-brain-hope-for-sudep-prevention-and-seizure-reduction
#3
COMMENT
Lindsey B Gano, Heidi L Grabenstatter
No abstract text is available yet for this article.
September 2017: Epilepsy Currents
https://www.readbyqxmd.com/read/29220722/circulating-mirnas-expression-profiling-in-drug-resistant-epilepsy-up-regulation-of-mir-301a-3p-in-a-case-of-sudden-unexpected-death
#4
Maria De Matteis, Giovanni Cecchetto, Giada Munari, Laura Balsamo, Marina Paola Gardiman, Renzo Giordano, Guido Viel, Matteo Fassan
Sudden and unexpected death in epilepsy (SUDEP) represents one of the most challenging fields for clinical, forensic and preventative pathology. Several authors have emphasized the search of innovative biomarkers related to drug-resistance for an appropriate risk stratification in these patients. However, no reliable biomarker has been implemented into clinical practice, so far. Herein, we present a case of SUDEP due to drug-resistant mesial temporal lobe epilepsy (MTLE) in which we performed miRNA expression profiling (miR-301a-3p, miR-194-5p, miR-30b-5p, mIR-342-5p, and miR-4446-3p) from both the plasma and the temporal lobe in comparison to ten autopsies for traumatic or asphyxia deaths...
December 4, 2017: Legal Medicine
https://www.readbyqxmd.com/read/29181526/cortical-structures-associated-with-human-blood-pressure-control
#5
Nuria Lacuey, Johnson P Hampson, Wanchat Theeranaew, Bilal Zonjy, Ajay Vithala, Norma J Hupp, Kenneth A Loparo, Jonathan P Miller, Samden D Lhatoo
Importance: A better understanding of the role of cortical structures in blood pressure control may help us understand cardiovascular collapse that may lead to sudden unexpected death in epilepsy (SUDEP). Objective: To identify cortical control sites for human blood pressure regulation. Design, Setting, and Participants: Patients with intractable epilepsy undergoing intracranial electrode implantation as a prelude to epilepsy surgery in the Epilepsy Monitoring Unit at University Hospitals Cleveland Medical Center were potential candidates for this study...
November 27, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29178443/the-past-present-and-future-challenges-in-epilepsy-related-and-sudden-deaths-and-biobanking
#6
Maria Thom, Maura Boldrini, Elizabeth Bundock, Mary N Sheppard, Orrin Devinsky
Awareness and research on epilepsy-related deaths (ERD), in particular Sudden Unexpected Death in Epilepsy (SUDEP), have exponentially increased over the last two decades. Most publications have focused on guidelines that inform clinicians dealing with these deaths, educating patients, potential risk factors and mechanisms. There is a relative paucity of information available for pathologists who conduct these autopsies regarding appropriate post-mortem practice and investigations. As we move from recognizing SUDEP as the most common form of ERD toward in-depth investigations into its causes and prevention, health professionals involved with these autopsies and post-mortem procedure must remain fully informed...
November 27, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/29171006/bad-knockout-provides-metabolic-seizure-resistance-in-a-genetic-model-of-epilepsy-with-sudden-unexplained-death-in-epilepsy
#7
Jeannine Foley, Veronica Burnham, Meghan Tedoldi, Nika N Danial, Gary Yellen
Metabolic alteration, either through the ketogenic diet (KD) or by genetic alteration of the BAD protein, can produce seizure protection in acute chemoconvulsant models of epilepsy. To assess the seizure-protective role of knocking out (KO) the Bad gene in a chronic epilepsy model, we used the Kcna1-/- model of epilepsy, which displays progressively increased seizure severity and recapitulates the early death seen in sudden unexplained death in epilepsy (SUDEP). Beginning on postnatal day 24 (P24), we continuously video monitored Kcna1-/- and Kcna1-/- Bad-/- double knockout mice to assess survival and seizure severity...
November 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/29141182/optogenetic-activation-of-5-ht-neurons-in-the-dorsal-raphe-suppresses-seizure-induced-respiratory-arrest-and-produces-anticonvulsant-effect-in-the-dba-1-mouse-sudep-model
#8
Honghai Zhang, Haiting Zhao, Chang Zeng, Christa Van Dort, Carl L Faingold, Norman E Taylor, Ken Solt, Hua-Jun Feng
Sudden unexpected death in epilepsy (SUDEP) is a devastating epilepsy complication. Seizure-induced respiratory arrest (S-IRA) occurs in many witnessed SUDEP patients and animal models as an initiating event leading to death. Thus, understanding the mechanisms underlying S-IRA will advance the development of preventive strategies against SUDEP. Serotonin (5-HT) is an important modulator for many vital functions, including respiration and arousal, and a deficiency of 5-HT signaling is strongly implicated in S-IRA in animal models, including the DBA/1 mouse...
November 13, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/29128679/early-onset-epileptic-encephalopathy-with-de-novo-scn8a-mutation
#9
Yangyang Xiao, Jie Xiong, Ding'an Mao, Lingjuan Liu, Jian Li, Xingfang Li, Haiyan Luo, Liqun Liu
Early-onset epileptic encephalopathies (EOEEs) are clinically and genetically heterogeneous disorders characterized by intractable seizures and unremitting interictal paroxysmal epileptiform activity. Consequently, these syndromes impair neurodevelopment during the first year of life. Currently, the etiology of these disorders is largely unknown. In this study, Childhood-Onset Epilepsy Gene Panel Testing (containing 511 epilepsy-related genes) was performed in a parent-offspring trio. In this family, the son had refractory seizures, intellectual disability, and motor abnormalities, and he was diagnosed with EOEE...
October 28, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29090925/quantitative-proteomic-analysis-to-identify-differentially-expressed-proteins-in-the-myocardium-of-epilepsy-using-itraq-coupled-with-nano-lc-ms-ms
#10
Peng Zhang, Li Zhang, Yongguo Li, Shisheng Zhu, Minzhu Zhao, Shijia Ding, Jianbo Li
Epilepsy is a difficult-to-manage neurological disease that can result in organ damage, such as cardiac injury, that contributes to sudden unexpected death in epilepsy (SUDEP). Although recurrent seizure-induced cardiac dysregulation has been reported, the underlying molecular mechanisms are unclear. We established an epileptic model with Sprague-Dawley rats, applying isobaric tags for a relative and absolute quantification (iTRAQ)-based proteomics approach to identify differentially expressed proteins in myocardial tissue...
November 1, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29067975/sudden-unexpected-death-in-epilepsy
#11
REVIEW
Shishir Nagesh Duble, Sanjeev V Thomas
People with epilepsy have increased risk of premature death, and their life expectancy may reduce by 2-10 yr. Population- and hospital-based studies have shown that the excess mortality in epilepsy is not entirely explained by deaths directly attributable to epilepsy such as accidents and drowning during a seizure. It is also significantly contributed by deaths from other causes such as cardiac deaths, deaths due to malignancies and other causes. It had recently been recognized that sudden unexpected deaths in epilepsy (SUDEP) contributed to a small yet important proportion of mortality in epilepsy...
June 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29060913/detection-of-generalized-tonic-clonic-seizures-using-short-length-accelerometry-signal
#12
Shitanshu Kusmakar, Chandan K Karmakar, Bernard Yan, Terence J O'Brien, Ramanathan Muthuganapathy, Marimuthu Palaniswami
Epileptic seizures are characterized by the excessive and abrupt electrical discharge in the brain. This asynchronous firing of neurons causes unprovoked convulsions which can be a cause of sudden unexpected death in epilepsy (SUDEP). Remote monitoring of epileptic patients can help prevent SUDEP. Systems based on wearable accelerometer sensors have shown to be effective in ambulatory monitoring of epileptic patients. However, these systems have a trade-off between seizure duration and the false alarm rate (FAR)...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29034166/post-lobotomy-epilepsy-illustrated-by-the-story-of-ellinor-hamsun-the-daughter-of-the-famous-norwegian-author-knut-hamsun
#13
Mia Tuft, Karl O Nakken
In Scandinavia, at least 11.500 people were lobotomized in the period 1939-1983. Beside grave personality changes, the surgery caused epilepsy in 10-35% of the patients. Moreover, many died due to perioperative bleedings, convulsive status epilepticus or SUDEP. Most of the stories of these people are anonymous and their post-lobotomy lives are scarcely documented. If it was not for the fact that Ellinor Hamsun (1916-1987) was the daughter of the famous Nobel Prize winning Norwegian author Knut Hamsun, her lobotomy story and the subsequent iatrogenic epilepsy would probably have remained unknown...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/29033634/sudden-unexpected-death-in-epilepsy-a-retrospective-autopsy-study-of-112-epileptic-patients
#14
İpek Esen Melez, Murat Nihat Arslan, Deniz Oğuzhan Melez, Ahmet Necati Şanli, Sermet Koç
INTRODUCTION: Sudden unexpected deaths comprise the most important and worthy investigation case profiles in both neurology and forensic medicine. Epilepsy, which is one of the neuropathological causes of sudden unexpected deaths, is an important disorder having mysterious aspects. The aim of this study is to make common the points of view between neurology and forensic medicine experts and to discuss the features of the findings together with the related clinical hypotheses, leading to the differential diagnosis of sudden unexpected death in epilepsy (SUDEP) by presenting autopsy findings and available medical data of patients who had a prior diagnosis of epilepsy...
September 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29031193/the-retention-of-lacosamide-in-patients-with-epilepsy-and-intellectual-disability-in-three-specialised-institutions
#15
J Brenner, H J M Majoie, S van Beek, J A Carpay
PURPOSE: We describe the effectiveness of lacosamide as adjunctive therapy in patients with epilepsy and an intellectual disability. This information is relevant, as few data exist pertaining to this population with a high prevalence of (intractable) epilepsy. METHODS: We performed a retrospective study in three specialised institutions. Inclusion criteria were (1) focal onset or symptomatic generalized (2) therapy-resistant epilepsy, (3) intellectual disability and (4) residence in a care-facility for people with intellectual disabilities (PWID)...
October 3, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28983274/ranking-the-leading-risk-factors-for-sudden-unexpected-death-in-epilepsy
#16
REVIEW
Christopher M DeGiorgio, Daniela Markovic, Rajarshi Mazumder, Brian D Moseley
BACKGROUND: Sudden unexpected death in epilepsy (SUDEP) is rare in well-controlled epilepsy. However, SUDEP is a common cause of death in drug-resistant epilepsy. Over the last 30 years, multiple cohort and population studies have identified clinical risk factors associated with an increased risk for SUDEP. OBJECTIVE: To identify and rank the leading SUDEP risk factors from major cohort and population-based studies. The incidence of SUDEP is also evaluated in special clinical situations, including antiepileptic drug treatment, epilepsy surgery, devices, and assignment to placebo in clinical trials...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28980315/multicenter-clinical-assessment-of-improved-wearable-multimodal-convulsive-seizure-detectors
#17
MULTICENTER STUDY
Francesco Onorati, Giulia Regalia, Chiara Caborni, Matteo Migliorini, Daniel Bender, Ming-Zher Poh, Cherise Frazier, Eliana Kovitch Thropp, Elizabeth D Mynatt, Jonathan Bidwell, Roberto Mai, W Curt LaFrance, Andrew S Blum, Daniel Friedman, Tobias Loddenkemper, Fatemeh Mohammadpour-Touserkani, Claus Reinsberger, Simone Tognetti, Rosalind W Picard
OBJECTIVE: New devices are needed for monitoring seizures, especially those associated with sudden unexpected death in epilepsy (SUDEP). They must be unobtrusive and automated, and provide false alarm rates (FARs) bearable in everyday life. This study quantifies the performance of new multimodal wrist-worn convulsive seizure detectors. METHODS: Hand-annotated video-electroencephalographic seizure events were collected from 69 patients at six clinical sites. Three different wristbands were used to record electrodermal activity (EDA) and accelerometer (ACM) signals, obtaining 5,928 h of data, including 55 convulsive epileptic seizures (six focal tonic-clonic seizures and 49 focal to bilateral tonic-clonic seizures) from 22 patients...
November 2017: Epilepsia
https://www.readbyqxmd.com/read/28972036/sudep-the-aftermath-supporting-the-bereaved
#18
Lina Nashef, John Paul Leach
Sudden unexpected death in epilepsy is a recurring calamity, yet there is little evidence to guide standards of care for supporting the bereaved. Grief in bereavement includes loss, feelings of guilt, anger and blame. There is also the shock and trauma of the sudden event. How can this be alleviated? This paper focuses on guiding the physician to support the bereaved, while recognising the limited evidence and the varying circumstances that may not always facilitate this. We propose a pathway of care and mode of communication with the deceased's family, with whom contact is currently limited...
September 28, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28967460/ictal-symmetric-tonic-extension-posturing-and-postictal-generalized-eeg-suppression-arising-from-sleep-in-children-with-epilepsy
#19
Kazuo Okanari, Hiroshi Otsubo, Elizabeth Kouzmitcheva, Jagadish Rangrej, Shiro Baba, Ayako Ochi, Tohru Okanishi, Yoichiro Homma, Dragos A Nita, Elizabeth J Donner
BACKGROUND: The identification of a biomarker for sudden unexpected death in epilepsy (SUDEP) has the potential to save lives. Generalized convulsive seizures and postictal generalized suppression on electroencephalography (EEG) most often precede sudden unexpected death in epilepsy (SUDEP) and are potential biomarkers. We identify the EEG and seizure characteristics associated with postictal generalized EEG suppression in children with epilepsy. METHODS: Video EEGs were reviewed for seizure type, duration and semiology, and electrographic features...
July 4, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28958777/incidence-of-sudden-unexpected-death-in-epilepsy-in-community-based-cohort-in-china
#20
Yan Ge, Ding Ding, Qing Zhang, Bin Yang, Taiping Wang, Beixu Li, Jie Wang, Jianfeng Luo, Patrick Kwan, Wenzhi Wang, Zhen Hong, Josemir W Sander
OBJECTIVE: Sudden unexpected death in epilepsy (SUDEP) is associated with the high premature mortality observed among people with epilepsy. It is, however, considered a rare event in China, probably because of lack of awareness and limitation of studies in the country. We aimed to provide some initial estimation of the burden of SUDEP in China. METHODS: We established a large Chinese community-based cohort of people with epilepsy between January 2010 and December 2011...
September 25, 2017: Epilepsy & Behavior: E&B
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