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Epilepsy cognition

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https://www.readbyqxmd.com/read/29771452/cognitive-safety-of-intracranial-electrodes-for-epilepsy
#1
Kimford J Meador, Casey H Halpern, Bruce P Hermann
Two recent articles in Epilepsia have raised concerns about adverse cognitive effects associated with intracranial electrode implantation. However, both studies have important limitations, and their results contrast with studies that report no adverse cognitive effects of intracranial electrodes for diagnosis or neurostimulation in epilepsy. Furthermore, no data are provided on the relative safety of depth electrodes implanted along the longitudinal axis of the hippocampus vs other electrode locations or types of electrodes...
May 17, 2018: Epilepsia
https://www.readbyqxmd.com/read/29770467/anticholinergic-load-negatively-correlates-with-recovery-of-cognitive-activities-of-daily-living-for-geriatric-patients-after-stroke-in-the-convalescent-stage
#2
E Kose, T Hirai, T Seki, S Hidaka, T Hamamoto
WHAT IS KNOWN AND OBJECTIVE: Anticholinergic drugs are associated with risks of falls, confusion and cognitive dysfunction. However, the effect of anticholinergic drug use on rehabilitation outcomes after a stroke is poorly documented. We therefore aimed to establish whether the anticholinergic load was associated with functional recovery among geriatric patients convalescing after stroke. METHOD: Consecutive geriatric stroke patients admitted and discharged from a convalescence rehabilitation ward between 2010 and 2016 were included in this retrospective cohort study...
May 16, 2018: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/29766029/seizure-suppressant-and-neuroprotective-effects-of-encapsulated-bdnf-producing-cells-in-a-rat-model-of-temporal-lobe-epilepsy
#3
Chiara Falcicchia, Giovanna Paolone, Dwaine F Emerich, Francesca Lovisari, William J Bell, Tracie Fradet, Lars U Wahlberg, Michele Simonato
Brain-derived neurotrophic factor (BDNF) may represent a therapeutic for chronic epilepsy, but evaluating its potential is complicated by difficulties in its delivery to the brain. Here, we describe the effects on epileptic seizures of encapsulated cell biodelivery (ECB) devices filled with genetically modified human cells engineered to release BDNF. These devices, implanted into the hippocampus of pilocarpine-treated rats, highly decreased the frequency of spontaneous seizures by more than 80%. These benefits were associated with improved cognitive performance, as epileptic rats treated with BDNF performed significantly better on a novel object recognition test...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29761020/tested-and-reported-executive-problems-in-children-and-youth-epilepsy
#4
Erik Hessen, Kristin Å Alfstad, Halvor Torgersen, Morten I Lossius
Objectives: Executive problems in children and youth with epilepsy influence their ability to handle important aspects of daily life activities. The present study sought to explore factors associated with executive problems for patients with epilepsy in this age group. Methods: The cohort consisted of 97 consecutive patients at the National Centre for Epilepsy in Norway, aged 10-19 years, with focal or genetic generalized epilepsy. All underwent tests of executive functions (D-KEFS), the Behavior Rating Inventory for Executive Function (BRIEF), and screening for psychiatric symptoms, using the Strengths and Difficulties Questionnaire (SDQ)...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760005/clinical-reasoning-progressive-cognitive-decline-cerebellar-ataxia-recurrent-myoclonus-and-epilepsy
#5
Fei Xiao, Jingchuan Fan, Jiaze Tan, Xue-Feng Wang
No abstract text is available yet for this article.
May 15, 2018: Neurology
https://www.readbyqxmd.com/read/29755351/gastrodin-attenuates-bilateral-common-carotid-artery-occlusion-induced-cognitive-deficits-via-regulating-a%C3%AE-related-proteins-and-reducing-autophagy-and-apoptosis-in-rats
#6
Bo Liu, Jian-Mei Gao, Fei Li, Qi-Hai Gong, Jing-Shan Shi
Gastrodin (GAS), an active constituent extracted from Gastrodia elata Blume, is used to treat ischemic stroke, epilepsy, dizziness, and dementia for centuries in China. This study examined its effects on vascular dementia (VD) and the underlying molecular mechanisms. VD was established by ligation of bilateral common carotid artery occlusion (BCCAO). A total of 7 days after BCCAO surgery, GAS (15, 30, and 60 mg/kg) was orally administered for 28 consecutive days to evaluate therapeutic effects. Cognitive function was tested by the Morris water maze...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29754115/delusional-misidentifications-in-a-procrustean-bed
#7
EDITORIAL
G N Christodoulou, M Margariti, N Christodoulou
The Delusional Misidentification Syndromes (DMSs) are characterized by defective integration of the normally The Delusional Misidentification Syndromes (DMSs) are characterized by defective integration of the normally fused functions of perception and recognition. The classical sub-types are: the syndromes of Capgras, Fregoli,Intermetamorphosis (mentioned in 3) and Subjective doubles. These syndromes occur in a clear sensorium and shouldbe differentiated from the banal transient misidentifications occurring in confusional states and in mania and from thenon-delusional misidentifications (e...
January 2018: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/29753923/prevalence-of-valproate-syndrome-in-europe-from-2005-to-2014-a-registry-based-multi-centre-study
#8
Joan K Morris, Ester Garne, Maria Loane, Marie-Claude Addor, Ingeborg Barisic, Fabrizio Bianchi, Miriam Gatt, Monica Lanzoni, Catherine Lynch, Olatz Mokoroa, Vera Nelen, Amanda Neville, Mary T O'Mahony, Hanitra Randrianaivo-Ranjatoelina, Anke Rissmann, David Tucker, H E K de Walle, Nataliia Zymak-Zakutnia, Judith Ankin
Women with epilepsy need to continue to take anticonvulsants during their pregnancies to prevent seizures from occurring. Since the 1980's, it has been known that the use of valproate (an anticonvulsant) in the first trimester of pregnancy is associated with an increased risk of spina bifida. Recent studies have also demonstrated increased risks of other congenital anomalies as well as a risk of cognitive impairment. Doctors in the EU are now advised not to prescribe valproate in pregnant women, in women who can become pregnant or in girls unless other treatments are ineffective or not tolerated...
May 10, 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29752287/-rnaset2-knockout-rats-exhibit-hippocampal-neuropathology-and-deficits-in-memory
#9
Kerstin W Sinkevicius, Thomas R Morrison, Praveen Kulkarni, Martha K Caffrey Cagliostro, Sade Iriah, Samantha Malmberg, Julia Sabrick, Jennifer A Honeycutt, Kim L Askew, Malav Trivedi, Craig F Ferris
RNASET2 deficiency in humans is associated with infant cystic leukoencephalopathy, which causes psychomotor impairment, spasticity, and epilepsy. A zebrafish mutant model suggests that loss of RNASET2 function leads to neurodegeneration due to the accumulation of non-degraded RNA in the lysosomes. The goal of this study was to characterize the first rodent model of RNASET2 deficiency. The brains of 3- and 12-month-old RNaseT2 knockout rats were studied using multiple magnetic resonance imaging modalities and behavioral tests...
May 10, 2018: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/29751371/status-epilepticus-associated-with-acute-encephalitis-long-term-follow-up-of-functional-and-cognitive-outcomes-in-72-patients
#10
Weibi Chen, Yingying Su, Mengdi Jiang, Gang Liu, Fei Tian, Guoping Ren
BACKGROUND: Continued care in patients with encephalitis and prolonged status epilepticus (SE) is controversial. Limited data is available on the functional and cognitive outcomes. METHODS: In a prospective cohort study from 2007 to 2016, patients with acute encephalitis and SE were reviewed. Long-term outcomes including motor disability (modified Rankin Scale, mRS), daily living skills (activities of daily living, ADL), cognitive ability (modified Telephone Interview for Cognitive Status, TICS-M) and epilepsy sequelae, were evaluated in those survivors at 12-month follow-up...
May 11, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29751355/targeting-of-microrna-21-5p-protects-against-seizure-damage-in-a-kainic-acid-induced-status-epilepticus-model-via-pten-mtor
#11
Chongyang Tang, Yunhe Gu, Haiyang Wang, Hongmei Wu, Yu Wang, Yao Meng, Zhibin Han, Yifei Gu, Wei Ma, Zhenfeng Jiang, Yuanyuan Song, Meng Na, Dunyue Lu, Zhiguo Lin
OBJECTIVE: Studies have shown that microRNAs play a role in the development of epilepsy by regulating downstream target messenger (m)RNA. The present study aims to determine the changes associated with microRNA-21-5p (miR-21-5p) during epileptogenesis in a kainic acid rat model, and to assess whether the PTEN-mTOR pathway is a target of miR-21-5p. METHOD: Reverse transcription polymerase chain reaction (RT-PCR) was used to examine the quantitative expressions of miR-21-5p and PTEN, and Western blotting was used to test the activity of mTOR in the acute, latent, and chronic stages of epileptogenesis...
May 4, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29750339/pre-and-postsurgical-cognitive-trajectories-and-quantitative-mri-changes-in-rasmussen-syndrome
#12
Sarah R Rudebeck, Sara Shavel-Jessop, Sophia Varadkar, Tamsin Owen, J Helen Cross, Faraneh Vargha-Khadem, Torsten Baldeweg
OBJECTIVE: To quantify the longitudinal cognitive trajectory, before and after surgery, of Rasmussen syndrome (RS), a rare disease characterized by focal epilepsy and progressive atrophy of one cerebral hemisphere. METHOD: Thirty-two patients (mean age = 6.7 years; 17 male, 16 left hemispheres affected) were identified from hospital records. The changes in intelligence scores during 2 important phases in the patients' journey to treatment were investigated: (1) during the preoperative period (n = 28, mean follow-up 3...
May 11, 2018: Epilepsia
https://www.readbyqxmd.com/read/29749462/immunotherapy-by-targeting-of-vgkc-complex-for-seizure-control-and-prevention-of-cognitive-impairment-in-a-mouse-model-of-epilepsy
#13
Zhiliang Fan, Xiaojuan Feng, Zhigang Fan, Xingyuan Zhu, Shaohua Yin
Epilepsy is a type of refractory neurologic disorder mental disease, which is associated with cognitive impairments and memory dysfunction. However, the potential mechanisms of epilepsy are not well understood. Previous evidence has identified the voltage gated potassium channel complex (VGKC) as a target in various cohorts of patients with epilepsy. In the present study, the efficacy of an antibody against VGKC (anti‑VGKC) for the treatment of epilepsy in mice was investigated. A mouse model of lithium‑pilocarpine temporal lobe epilepsy was established and anti‑VGKC treatment was administered for 30 days...
May 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29747930/baseline-and-outcome-assessment-in-pediatric-status-epilepticus
#14
REVIEW
Saba Jafarpour, Coral M Stredny, Juan Piantino, Kevin E Chapman
PURPOSE: To summarize different aspects of short and long-term outcomes associated with SE, including mortality, recurrence, subsequent epilepsy, neurocognitive dysfunction, imaging abnormalities, and health-related quality of life. METHODS: We searched MEDLINE for studies that assessed the short-term and long-term outcome of status epilepticus in pediatric population, including mortality, recurrence of seizure and status epilepticus, neurological, cognitive, or behavioral impairment, and health-related quality of life...
April 27, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29745359/contribution-of-family-relatedness-to-neurobehavioral-comorbidities-in-idiopathic-childhood-epilepsies
#15
Dace N Almane, Qianqian Zhao, Paul J Rathouz, Melissa Hanson, Daren C Jackson, David A Hsu, Carl E Stafstrom, Jana E Jones, Michael Seidenberg, Monica Koehn, Bruce P Hermann
OBJECTIVES: Rates of cognitive, academic and behavioral comorbidities are elevated in children with epilepsy. The contribution of environmental and genetic influences to comorbidity risk is not fully understood. This study investigated children with epilepsy, their unaffected siblings, and controls to determine the presence and extent of risk associated with family relatedness across a range of epilepsy comorbidities. METHODS: Participants were 346 children (8-18 years), n=180 with recent-onset epilepsy, their unaffected siblings (n=67), and healthy first-degree cousin controls (n=99)...
May 10, 2018: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29745347/febrile-infection-related-epilepsy-syndrome-fires-an-overview-of-treatment-and-recent-patents
#16
Kam Lun E Lun Hon, Alexander K C Leung, Alcy R Torres
BACKGROUND: New-onset refractory status epilepticus (NORSE) refers to a clinical presentation in a patient without active epilepsy or other existing relevant neurological disorder, with new onset of refractory status epilepticus in the absence of a clear acute or active structural, metabolic, or toxic cause. Febrile infection-related epilepsy syndrome (FIRES) is a subset of NORSE that requires a febrile infection between 24 hours and 2 weeks prior to the onset of refractory status epilepticus, with or without fever at the onset of status epilepticus, and with no restriction to the age of the patient...
May 8, 2018: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/29739701/early-identification-of-epileptic-encephalopathy-with-continuous-spikes-and-waves-during-sleep-a-case-control-study
#17
Camille Desprairies, Blandine Dozières-Puyravel, Adina Ilea, Vanina Bellavoine, Hala Nasser, Catherine Delanöe, Stéphane Auvin
Epileptic encephalopathy with continuous spikes-and-waves during sleep (EE-CSWS) is a rare childhood epilepsy syndrome characterized by a regression in cognitive, behavioral and psychiatric functioning, seizures and a specific electroencephalographic pattern. An early recognition and an appropriate treatment might play a key role in the outcome of this epileptic encephalopathy. We conducted a case-control study to evaluate if there is any clinical or electroencephalographic sign suggestive of EE-CSWS after the first seizure...
April 27, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29738885/regulation-of-seizure-induced-mecp2-ser421-phosphorylation-in-the-developing-brain
#18
Evan C Rosenberg, Jocelyn J Lippman-Bell, Marcus Handy, Samantha S Soldan, Sanjay Rakhade, Cristina Hilario-Gomez, Kaitlyn Folweiler, Leah Jacobs, Frances E Jensen
Neonatal seizures disrupt normal synaptic maturation and often lead to later-life epilepsy and cognitive deficits. During early life, the brain exhibits heightened synaptic plasticity, in part due to a developmental overabundance of CaV 1.2 L-type voltage gated calcium (Ca2+ ) channels (LT-VGCCs) and Ca2+ -permeable AMPARs (CP-AMPARs) lacking GluA2 subunits. We hypothesized that early-life seizures overactivate these channels, in turn dysregulating Ca2+ -dependent signaling pathways including that of methyl-CPG-binding protein 2 (MeCP2), a transcription factor implicated in the autism spectrum disorder (ASD) Rett Syndrome...
May 5, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29736355/juvenile-myoclonic-epilepsy-presenting-with-neurocognitive-impairment-a-case-report
#19
Sarfraz Mahesar, Hira F Akbar, Husnain Abid, Rabia Sana
Juvenile myoclonic epilepsy (JME) is a genetically and clinically diverse disorder which is characterized by myoclonic jerks, usually after awakening from sleep. It affects both genders equally and manifests during the second decade of life. The various precipitating factors include stress, light, sleep deprivation, and alcohol. A history of morning clumsiness supported by typical electroencephalography (EEG) findings, together with a normal clinical examination all point towards a diagnosis of JME. We present the case of a nine-year-old girl who presented with cognitive dysfunction in addition to myoclonic jerks...
March 5, 2018: Curēus
https://www.readbyqxmd.com/read/29735512/cognitive-behavioural-therapy-does-not-meaningfully-reduce-depression-in-most-people-with-epilepsy-a-systematic-review-of-clinically-reliable-improvement
#20
REVIEW
Adam J Noble, James Reilly, James Temple, Peter L Fisher
Psychological treatment is recommended for depression and anxiety in those with epilepsy. This review used standardised criteria to evaluate, for the first time, the clinical relevance of any symptom change these treatments afford patients. Databases were searched until March 2017 for relevant trials in adults. Trial quality was assessed and trial authors asked for individual participants' pre-treatment and post-treatment distress data. Jacobson's methodology determined the proportion in the different trial arms demonstrating reliable symptom change on primary and secondary outcome measures and its direction...
May 7, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
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