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https://www.readbyqxmd.com/read/28931509/development-and-validation-of-qmortality-risk-prediction-algorithm-to-estimate-short-term-risk-of-death-and-assess-frailty-cohort-study
#1
Julia Hippisley-Cox, Carol Coupland
Objectives To derive and validate a risk prediction equation to estimate the short term risk of death, and to develop a classification method for frailty based on risk of death and risk of unplanned hospital admission.Design Prospective open cohort study.Participants Routinely collected data from 1436 general practices contributing data to QResearch in England between 2012 and 2016. 1079 practices were used to develop the scores and a separate set of 357 practices to validate the scores. 1.47 million patients aged 65-100 years were in the derivation cohort and 0...
September 20, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28870986/factors-affecting-seizure-outcome-after-epilepsy-surgery-an-observational-series
#2
Gail S Bell, Jane de Tisi, Juan Carlos Gonzalez-Fraile, Janet L Peacock, Andrew W McEvoy, William F J Harkness, Jacqueline Foong, Rebecca A Pope, Beate Diehl, Josemir W Sander, John S Duncan
IMPORTANCE: Surgical treatment can bring seizure remission in people with focal epilepsy but requires careful selection of candidates. OBJECTIVES: To determine which preoperative factors are associated with postoperative seizure outcome. DESIGN: We audited seizure outcome of 693 adults who had resective epilepsy surgery between 1990 and 2010 and used survival analysis to detect preoperatively identifiable risk factors of poor seizure outcome...
September 4, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28791958/the-%C3%AE-7-nach-nicotinic-receptor-and-its-role-in-memory-and-selected-diseases-of-the-central-nervous-system
#3
REVIEW
Urszula Baranowska, Róża Julia Wiśniewska
α7-nACh is one of the major nicotinic cholinergic receptor subtypes found in the brain. It is broadly expressed in the hippocampal and cortical neurons, the regions which play a key role in memory formation. Although α7-nACh receptors may serve as postsynaptic receptors mediating classical neurotransmission, they usually function as presynaptic modulators responsible for the release of other neurotransmitters, such as glutamate, γ-aminobutyric acid, dopamine, and norepinephrine. They can, therefore, affect a wide array of neurobiological functions...
July 30, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28753498/the-impact-of-epilepsy-on-academic-achievement-in-children-with-normal-intelligence-and-without-major-comorbidities-a-systematic-review
#4
REVIEW
S W Wo, L C Ong, W Y Low, P S M Lai
PURPOSE: To systematically examine published literature which assessed the prevalence of academic difficulties in children with epilepsy (CWE) of normal intelligence, and its associating factors. METHODS: A search was conducted on five databases for articles published in English from 1980 till March 2015. Included were studies who recruited children (aged 5-18 years), with a diagnosis or newly/recurrent epilepsy, an intelligent quotient (IQ) of ≥70 or attending regular school, with or without a control group, which measured academic achievement using a standardised objective measure, and published in English...
July 20, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28671982/clinical-services-for-adults-with-an-intellectual-disability-and-epilepsy-a-comparison-of-management-alternatives
#5
Adam P Wagner, Tim J Croudace, Naomi Bateman, Mark W Pennington, Elizabeth Prince, Marcus Redley, Simon R White, Howard Ring
BACKGROUND: Intellectual disability (ID) is relatively common in people with epilepsy, with prevalence estimated to be around 25%. Surprisingly, given this relatively high frequency, along with higher rates of refractory epilepsy than in those without ID, little is known about outcomes of different management approaches/clinical services treating epilepsy in adults with ID-we investigate this area. MATERIALS & METHODS: We undertook a naturalistic observational cohort study measuring outcomes in n = 91 adults with ID over a 7-month period (recruited within the period March 2008 to April 2010)...
2017: PloS One
https://www.readbyqxmd.com/read/28625946/educational-needs-of-epileptologists-regarding-psychiatric-comorbidities-of-the-epilepsies-a-descriptive-quantitative-survey
#6
Marco Mula, Esper Cavalheiro, Alla Guekht, Andres M Kanner, Hyang Woon Lee, Çiğdem Özkara, Alfredo Thomson, Sarah J Wilson
Psychiatric disorders are relatively frequent comorbidities in epilepsy and they have an impact on morbidity, mortality, and quality of life. This is a report from the Task Force on Education of the ILAE Commission on Neuropsychiatry based on a survey about educational needs of epileptologists regarding management of the psychiatric comorbidities of epilepsy. The Task Force designed a quantitative questionnaire to survey the self-perceived confidence of child and adult epileptologists and psychiatrists in managing major psychiatric comorbidities of epilepsy to identify: (1) critical areas of improvement from a list of skills that are usually considered necessary for effective management of these conditions, and (2) the preferred educational format for improving these skills...
June 1, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28602636/extensive-phenotyping-of-two-arx-polyalanine-expansion-mutation-mouse-models-that-span-clinical-spectrum-of-intellectual-disability-and-epilepsy
#7
Matilda R Jackson, Kristie Lee, Tessa Mattiske, Emily J Jaehne, Ezgi Ozturk, Bernhard T Baune, Terence J O'Brien, Nigel Jones, Cheryl Shoubridge
The Aristaless-related homeobox gene (ARX) is a known intellectual disability (ID) gene that frequently presents with X-linked infantile spasm syndrome as a comorbidity. ID with epilepsy in children is a chronic and devastating disorder that has poor treatment options and disease outcomes. To gain a better understanding of the role that mutations in ARX play in ID and epilepsy, we investigate ARX patient mutations modelled in mice. Over half of all ARX mutations result from expansions of the first two polyalanine (PA1 and PA2 respectively) tracts...
September 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28575774/a-randomized-controlled-trial-of-a-manual-based-psychosocial-group-intervention-for-young-people-with-epilepsy-pie
#8
Liam Dorris, Helen Broome, Margaret Wilson, Cathy Grant, David Young, Gus Baker, Selina Balloo, Susan Bruce, Jo Campbell, Bernie Concannon, Nadia Conway, Lisa Cook, Cheryl Davis, Bruce Downey, Jon Evans, Diane Flower, Jack Garlovsky, Shauna Kearney, Susan Lewis, Victoria Stephens, Stuart Turton, Ingram Wright
We conducted an exploratory RCT to examine feasibility and preliminary efficacy for a manual-based psychosocial group intervention aimed at improving epilepsy knowledge, self-management skills, and quality of life in young people with epilepsy. METHOD: Eighty-three participants (33:50m/f; age range 12-17years) were randomized to either the treatment or control group in seven tertiary paediatric neuroscience centres in the UK, using a wait-list control design. Participants were excluded if they reported suicidal ideation and/or scored above the cut off on mental health screening measures, or if they had a learning disability or other neurological disorder...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28551500/psychiatric-side-effects-and-antiepileptic-drugs-observations-from-prospective-audits
#9
Linda J Stephen, Abbie Wishart, Martin J Brodie
Psychiatric comorbidities are common in people with epilepsy. A retrospective study of characteristics associated with withdrawal due to psychiatric side effects was undertaken in patients with treated epilepsy participating in prospective audits with new antiepileptic drugs (AEDs). A total of 1058 treated patients with uncontrolled seizures (942 focal-onset seizures, 116 generalized genetic epilepsies [GGEs]) participated in eight prospective, observational audits from 1996 to 2014. These patients were prescribed adjunctive topiramate (n=170), levetiracetam (n=220), pregabalin (n=135), zonisamide (n=203), lacosamide (n=160), eslicarbazepine acetate (n=52), retigabine (n=64), or perampanel (n=54)...
June 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28463240/incorrect-dosage-of-iqsec2-a-known-intellectual-disability-and-epilepsy-gene-disrupts-dendritic-spine-morphogenesis
#10
S J Hinze, M R Jackson, S Lie, L Jolly, M Field, S C Barry, R J Harvey, C Shoubridge
There is considerable genetic and phenotypic heterogeneity associated with intellectual disability (ID), specific learning disabilities, attention-deficit hyperactivity disorder, autism and epilepsy. The intelligence quotient (IQ) motif and SEC7 domain containing protein 2 gene (IQSEC2) is located on the X-chromosome and harbors mutations that contribute to non-syndromic ID with and without early-onset seizure phenotypes in both sexes. Although IQ and Sec7 domain mutations lead to partial loss of IQSEC2 enzymatic activity, the in vivo pathogenesis resulting from these mutations is not known...
May 2, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28407523/glut1-deficiency-syndrome-report-of-a-four-generation-norwegian-family-with-a-mild-phenotype
#11
Anette Ramm-Pettersen, Karl O Nakken, Kathrine C Haavardsholm, Kaja Kristine Selmer
INTRODUCTION: Glucose transporter type 1 deficiency syndrome (GLUT1-DS) is a rare metabolic encephalopathy with a wide variation of clinical phenotypes. Familial variants are often milder than de novo cases, and may therefore remain undiagnosed. The aim of this study was to characterize the clinical course of GLUT1-DS in a four-generation Norwegian family where the oldest generations had never received any treatment. METHOD: Through interviews and clinical investigations, we characterized a family of 26 members, where 11 members had symptoms strongly suggesting GLUT1-DS...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28394231/long-term-neurodevelopmental-outcome-of-children-born-to-prospectively-followed-pregnancies-of-women-with-systemic-lupus-erythematosus-and-or-antiphospholipid-syndrome
#12
C Nalli, A Iodice, L Andreoli, J Galli, A Lojacono, M Motta, E Fazzi, A Tincani
Background Systemic lupus erythematosus (SLE) and antiphospholipid antibody syndrome (APS) are autoimmune diseases that affect women of childbearing age. Maternal IgG antiphospholipid antibodies (aPL) can cross the placenta during pregnancy and theoretically reach the fetal brain. Some studies showed an increased number of learning disabilities in these children. Objectives To evaluate the long-term neurodevelopmental outcome of 40 children (median age 7.4 years) born to mothers with SLE and/or APS carrying positive IgG aPL during the third trimester of pregnancy...
April 2017: Lupus
https://www.readbyqxmd.com/read/28336156/pediatric-arterial-ischemic-stroke-epidemiology-risk-factors-and-management
#13
Ryan J Felling, Lisa R Sun, Emily C Maxwell, Neil Goldenberg, Timothy Bernard
Pediatric arterial ischemic stroke (AIS) is an uncommon but important cause of neurologic morbidity in neonates and children, with consequences including hemiparesis, intellectual disabilities, and epilepsy. The causes of pediatric AIS are unique to those typically associated with stroke in adults. Familiarity with the risk factors for AIS in children will help with efficient diagnosis, which is unfortunately frequently delayed. Here we review the epidemiology and risk factors for AIS in neonates and children...
March 7, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28327575/analysis-of-exome-data-for-4293-trios-suggests-gpi-anchor-biogenesis-defects-are-a-rare-cause-of-developmental-disorders
#14
Alistair T Pagnamenta, Yoshiko Murakami, John M Taylor, Consuelo Anzilotti, Malcolm F Howard, Venessa Miller, Diana S Johnson, Shereen Tadros, Sahar Mansour, I Karen Temple, Rachel Firth, Elisabeth Rosser, Rachel E Harrison, Bronwen Kerr, Niko Popitsch, Taroh Kinoshita, Jenny C Taylor, Usha Kini
Over 150 different proteins attach to the plasma membrane using glycosylphosphatidylinositol (GPI) anchors. Mutations in 18 genes that encode components of GPI-anchor biogenesis result in a phenotypic spectrum that includes learning disability, epilepsy, microcephaly, congenital malformations and mild dysmorphic features. To determine the incidence of GPI-anchor defects, we analysed the exome data from 4293 parent-child trios recruited to the Deciphering Developmental Disorders (DDD) study. All probands recruited had a neurodevelopmental disorder...
June 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28229379/a-novel-frameshift-mutation-in-the-sterol-27-hydroxylase-gene-in-an-egyptian-family-with-cerebrotendinous-xanthomatosis-without-cataract
#15
Mohamed S Abdel-Hamid, Mahmoud Y Issa, Ghada A Otaify, Maha S Zaki
Cerebrotendinous xanthomatosis (CTX) is a rare autosomal recessive lipid storage disorder caused by deficiency of the mitochondrial cytochrome P450 sterol 27-hydroxylase enzyme encoded by CYP27A1 gene. CTX is characterized by tendon xanthomas, juvenile cataracts and multiple progressive neurological symptoms. Here we report on the clinical and molecular findings of a 35-years old Egyptian patient with CTX without cataract. Parents were first cousins with family history of two deceased sibs with mild impaired cognitive functions and epilepsy without appearance of tendon xanthomas...
April 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28186943/wordless-intervention-for-people-with-epilepsy-and-learning-disabilities-wield-a-randomised-controlled-feasibility-trial
#16
Silvana E Mengoni, Bob Gates, Georgina Parkes, David Wellsted, Garry Barton, Howard Ring, Mary Ellen Khoo, Deela Monji-Patel, Karin Friedli, Asif Zia, Lisa Irvine, Marie-Anne Durand
OBJECTIVE: To investigate the feasibility of a full-scale randomised controlled trial of a picture booklet to improve quality of life for people with epilepsy and learning disabilities. TRIAL DESIGN: A randomised controlled feasibility trial. Randomisation was not blinded and was conducted using a centralised secure database and a blocked 1:1 allocation ratio. SETTING: Epilepsy clinics in 1 English National Health Service (NHS) Trust. PARTICIPANTS: Patients with learning disabilities and epilepsy who had: a seizure within the past 12 months, meaningful communication and a carer with sufficient proficiency in English...
November 10, 2016: BMJ Open
https://www.readbyqxmd.com/read/28045139/chrna7-deficient-mice-manifest-no-consistent-neuropsychiatric-and-behavioral-phenotypes
#17
Jiani Yin, Wu Chen, Hongxing Yang, Mingshan Xue, Christian P Schaaf
The alpha7 nicotinic acetylcholine receptor, encoded by the CHRNA7 gene, has been implicated in various psychiatric and behavioral disorders, including schizophrenia, bipolar disorder, epilepsy, autism, Alzheimer's disease, and Parkinson's disease, and is considered a potential target for therapeutic intervention. 15q13.3 microdeletion syndrome is a rare genetic disorder, caused by submicroscopic deletions on chromosome 15q. CHRNA7 is the only gene in this locus that has been deleted entirely in cases involving the smallest microdeletions...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27935023/causes-of-mortality-in-individuals-with-tuberous-sclerosis-complex
#18
Sam Amin, Andrew Lux, Nuala Calder, Matthew Laugharne, John Osborne, Finbar O'callaghan
AIM: The causes of death in patients with tuberous sclerosis complex (TSC) have rarely been studied, with only one published account, which was reported from the Mayo Clinic in 1991. We aimed to investigate mortality in a large cohort of patients with TSC from one of two national referral clinics in the UK. METHOD: We identified 284 patients who attended Bath TSC clinic between 1981 and 2015, and ascertained causes of death by reviewing medical records, death certificates, and postmortem reports...
June 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27899087/paradoxical-physiological-responses-to-propranolol-in-a-rett-syndrome-patient-a-case-report
#19
P J Santosh, L Bell, K Lievesley, J Singh, F Fiori
BACKGROUND: Rett Syndrome (RTT), caused by a loss-of-function in the epigenetic modulator: X-linked methyl-CpG binding protein 2 (MeCP2), is a pervasive neurological disorder characterized by compromised brain functions, anxiety, severe mental retardation, language and learning disabilities, repetitive stereotyped hand movements and developmental regression. An imbalance in the sympathetic and the parasympathetic nervous system (dysautonomia) and the resulting autonomic storms is a frequent occurrence in patients with RTT...
November 29, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27818011/human-grin2b-variants-in-neurodevelopmental-disorders
#20
REVIEW
Chun Hu, Wenjuan Chen, Scott J Myers, Hongjie Yuan, Stephen F Traynelis
The development of whole exome/genome sequencing technologies has given rise to an unprecedented volume of data linking patient genomic variability to brain disorder phenotypes. A surprising number of variants have been found in the N-methyl-d-aspartate receptor (NMDAR) gene family, with the GRIN2B gene encoding the GluN2B subunit being implicated in many cases of neurodevelopmental disorders, which are psychiatric conditions originating in childhood and include language, motor, and learning disorders, autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), developmental delay, epilepsy, and schizophrenia...
October 2016: Journal of Pharmacological Sciences
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