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https://www.readbyqxmd.com/read/29782961/baclofen-induced-encephalopathy-in-overdose-modeling-of-the-electroencephalographic-effect-concentration-relationships-and-contribution-of-tolerance-in-the-rat
#1
Magali Chartier, Isabelle Malissin, Salma Tannous, Laurence Labat, Patricia Risède, Bruno Mégarbane, Lucie Chevillard
Baclofen, a γ-amino-butyric acid type-B receptor agonist with exponentially increased use at high-dose to facilitate abstinence in chronic alcoholics, is responsible for increasing poisonings. Baclofen overdose may induce severe encephalopathy and electroencephalographic (EEG) abnormalities. Whether prior prolonged baclofen treatment may influence the severity of baclofen-induced encephalopathy in overdose has not been established. We designed a rat study to characterize baclofen-induced encephalopathy, correlate its severity with plasma concentrations and investigate the contribution of tolerance...
May 18, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29751085/a-predictive-index-of-biomarkers-for-ictogenesis-from-tier-i-safety-pharmacology-testing-that-may-warrant-tier-ii-eeg-studies
#2
REVIEW
David V Gauvin, Zachary J Zimmermann, Joshua Yoder, Marci Harter, David Holdsworth, Quinn Kilgus, Jonelle May, Jill Dalton, Theodore J Baird
Three significant contributions to the field of safety pharmacology were recently published detailing the use of electroencephalography (EEG) by telemetry in a critical role in the successful evaluation of a compound during drug development (1] Authier, Delatte, Kallman, Stevens & Markgraf; JPTM 2016; 81:274-285; 2] Accardi, Pugsley, Forster, Troncy, Huang & Authier; JPTM; 81: 47-59; 3] Bassett, Troncy, Pouliot, Paquette, Ascaha, & Authier; JPTM 2016; 70: 230-240) . These authors present a convincing case for monitoring neocortical biopotential waveforms (EEG, ECoG, etc) during preclinical toxicology studies as an opportunity for early identification of a central nervous system (CNS) risk during Investigational New Drug (IND) Enabling Studies...
May 8, 2018: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/29699515/creutzfeldt-jakob-disease-with-alzheimer-pathology-presenting-with-status-epilepticus-following-repeated-partial-seizures-a-case-report-and-literature-review
#3
Keita Miyake, Takashi Hara, Etsuko Oshima, Kiyohiro Kawada, Hideki Ishizu, Yuko Yamauchi, Katsuya Satoh, Tetsuyuki Kitamoto, Shintaro Takenoshita, Seishi Terada, Norihito Yamada
BACKGROUND: Creutzfeldt-Jakob disease (CJD) is a fatal neurodegenerative disease. Common first symptoms are dementia, cerebellar ataxia, visual disturbance, and psychiatric symptoms. Seizure as the first symptom of CJD is a very rare finding. CASE PRESENTATION: We experienced an elderly woman who presented initially with status epilepticus following repeated partial seizures in the course of Alzheimer disease (AD) dementia. Anti-convulsive therapy had no effect...
April 25, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29588947/the-intrahippocampal-kainate-mouse-model-of-mesial-temporal-lobe-epilepsy-lack-of-electrographic-seizure-like-events-in-sham-controls
#4
Friederike Twele, Alina Schidlitzki, Kathrin Töllner, Wolfgang Löscher
Objective: There is an ongoing debate about definition of seizures in experimental models of acquired epilepsy and how important adequate sham controls are in this respect. For instance, several mouse and rat strains exhibit high-voltage rhythmic spike or spike-wave discharges in the cortical electroencephalogram (EEG), which has to be considered when using such strains for induction of epilepsy by status epilepticus, traumatic brain injury, or other means. Mice developing spontaneous recurrent nonconvulsive and convulsive seizures after intrahippocampal injection of kainate are increasingly being used as a model of mesial temporal lobe epilepsy...
June 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29557322/is-concussion-a-risk-factor-for-epilepsy
#5
Richard Wennberg, Carmen Hiploylee, Peter Tai, Charles H Tator
BACKGROUND: Epidemiologic studies have suggested that concussion, or mild traumatic brain injury (mTBI), is associated with a twofold or greater increase in relative risk for the development of post-traumatic epilepsy. To assess the clinical validity of these findings, we analyzed the incidence of epilepsy in a large cohort of post-concussion patients in whom concussion was strictly defined according to international guidelines. METHODS: A retrospective cohort study of 330 consecutive post-concussion patients followed by a single concussion specialist...
May 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29512478/pediatric-acute-severe-neurologic-illness-and-injury-in-an-urban-and-a-rural-hospital-in-the-democratic-republic-of-the-congo
#6
Taty Tshimangani, Jean Pongo, Joseph Bodi Mabiala, Marcel Yotebieng, Nicole F O'Brien
Empirical knowledge suggests that acute neurologic disorders are common in sub-Saharan Africa, but studies examining the true burden of these diseases in children are scarce. We performed this prospective, observational study to evaluate the prevalence, clinical characteristics, treatment approaches, and outcomes of children suffering acute neurologic illness or injury (ANI) in an urban and rural site in the Democratic Republic of the Congo. Over 12 months, 471 out of 6,563 children admitted met diagnostic criteria for ANI, giving a hospital-based prevalence of 72/1,000 admissions...
May 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29442558/progression-of-convulsive-and-nonconvulsive-seizures-during-epileptogenesis-after-pilocarpine-induced-status-epilepticus
#7
Zachariah Z Smith, Alexander M Benison, Florencia M Bercum, F Edward Dudek, Daniel S Barth
Although convulsive seizures occurring during pilocarpine-induced epileptogenesis have received considerable attention, nonconvulsive seizures have not been closely examined, even though they may reflect the earliest signs of epileptogenesis and potentially guide research on antiepileptogenic interventions. The definition of nonconvulsive seizures based on brain electrical activity alone has been controversial. Here, we define and quantify electrographic properties of convulsive and nonconvulsive seizures in the context of the acquired epileptogenesis that occurs after pilocarpine-induced status epilepticus (SE)...
February 14, 2018: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29429204/-small-vessel-childhood-primary-angiitis-of-the-central-nervous-system-a-case-report-and-literature-review
#8
REVIEW
J Deng, F Fang, X H Wang, M Ge, L J He, N Zhang
Objective: To summarize the clinical and pathological features of small vessel-childhood primary angiitis of the central nervous system (SV-cPACNS), discuss the immune therapy and increase the attention to brain biopsy in SV-cPACNS. Methods: The clinical data, pathology of brain biopsy, treatment and outcome of an SV-cPACNS patient hospitalized in Beijing Children's Hospital in February 2016 were analyzed retrospectively. The cases reported at Pubmed, CNKI and Wanfang databases from 2007 to 2017 were searched, the clinical and pathological features, immunotherapy and prognosis of the disease were summarized according to the literature review...
February 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29414550/clinical-aspects-neuroimaging-and-electroencephalography-of-35-cases-of-hemiconvulsion-hemiplegia-syndrome
#9
Mohamed Albakaye, Halima Belaïdi, Fatiha Lahjouji, Leila Errguig, Callixte Kuate, Youssoufa Maiga, Seybou Hassane Diallo, Najib Kissani, Reda Ouazzani
INTRODUCTION: The hemiconvulsion-hemiplegia-epilepsy (HHE) syndrome is a rare consequence of febrile seizures during childhood. It is characterized by the presence of prolonged unilateral clonic seizures occurring during febrile illness in a child less than 4years of age. Then, a flaccid unilateral hemiplegia with variable duration occurs. OBJECTIVES: The objective of the study was to describe the clinical, electroencephalogram (EEG), and neuroimaging treatment and outcome of series of cases of HHE syndrome followed for 10years in our clinical neurophysiology department of the specialty hospital of Rabat...
March 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29174200/group-2-adrenal-insufficiency-screening-methods-and-confirmation-of-diagnosis
#10
Philippe Chanson, Laurence Guignat, Bernard Goichot, Olivier Chabre, Dinane Samara Boustani, Rachel Reynaud, Dominique Simon, Antoine Tabarin, Damien Gruson, Yves Reznik, Marie-Laure Raffin Sanson
A diagnosis of adrenal insufficiency should be suspected in the presence of a number of non-specific symptoms (fatigue, anorexia, weight loss, hypotension, hyponatremia and hyperkalemia amongst adrenal causes of insufficiency). The diagnosis should be considered in case of pituitary disease or a state of shock. Treatment should be commenced immediately without waiting for confirmation from biochemical tests, which rely on cortisol level at 8am (expected to be low) and on ACTH level (expected to be high in the case of primary adrenal insufficiency)...
December 2017: Annales D'endocrinologie
https://www.readbyqxmd.com/read/29153965/information-about-epilepsy-on-the-internet-an-exploratory-study-of-arabic-websites
#11
Jamal M Alkhateeb, Muna S Alhadidi
The aim of this study was to explore information about epilepsy found on Arabic websites. The researchers collected information from the internet between November 2016 and January 2017. Information was obtained using Google and Yahoo search engines. Keywords used were the Arabic equivalent of the following two keywords: epilepsy (Al-saraa) and convulsion (Tashanoj). A total of 144 web pages addressing epilepsy in Arabic were reviewed. The majority of web pages were websites of medical institutions and general health websites, followed by informational and educational websites, others, blogs and websites of individuals, and news and media sites...
January 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29152808/observational-safety-study-of-specific-outcomes-after-trivalent-cell-culture-seasonal-influenza-vaccination-optaflu-%C3%A2-among-adults-in-thin-database-of-electronic-uk-primary-healthcare-records
#12
Gillian C Hall, Paul T G Davies, M Yousuf Karim, Mendel D M Haag, Caroline O'Leary
PURPOSE: To investigate the safety of trivalent seasonal influenza vaccine (TIVc) (Optaflu® ), the first cell culture seasonal trivalent influenza vaccine available in Europe. METHODS: Codes and unstructured text in adult electronic healthcare records (The Health Improvement Network) were searched for a TIVc brand name or batch number and possible outcomes within a 3 month pre- to 6 month post-TIVc exposure study period (2012-2015). The outcomes were severe allergic reactions, Bell's palsy, convulsions, demyelination, paresthesia, noninfectious encephalitis, neuritis (optic and brachial), vasculitis, inflammatory bowel disease, and thrombocytopenia...
January 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29103011/seizure-triggered-by-sick-sinus-syndrome
#13
Nilesh Patel, Faisal Majeed, Anupam Ashutosh Sule
Sick sinus syndrome (SSS) is a dysfunction of sinoatrial node resulting in symptomatic bradycardia or sinus pauses causing decreased cardiac output with cerebral hypoperfusion and usually presents as syncope, presyncope or fatigue. The occurrence of a seizure is very rare. A 69-year-old man suffered two episodes of generalised tonic-clonic seizures. MRI and electroencephalogram failed to reveal the cause of seizures. In the emergency room, he experienced presyncope simultaneous to bradycardia and sinus pauses...
November 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29061605/suitability-of-current-definitions-of-ambulatory-care-sensitive-conditions-for-research-in-emergency-department-patients-a-secondary-health-data-analysis
#14
Johann Frick, Martin Möckel, Reinhold Muller, Julia Searle, Rajan Somasundaram, Anna Slagman
OBJECTIVE: The aim of this study was to investigate the suitability of existing definitions of ambulatory care sensitive conditions (ACSC) in the setting of an emergency department (ED) by assessing ACSC prevalence in patients admitted to hospital after their ED stay. The secondary aim was to identify ACSC suitable for specific application in the ED setting. DESIGN: Observational clinical study with secondary health data. SETTING: Two EDs of the Charité-Universitätsmedizin Berlin...
October 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28811861/importance-of-distinguishing-between-mitochondrial-encephalomyopathy-with-elderly-onset-of-stroke-like-episodes-and-cerebral-infarction
#15
Syuichi Tetsuka, Asako Tagawa, Tomoko Ogawa, Mieko Otsuka, Ritsuo Hashimoto, Hiroyuki Kato
The most common disease-causing mitochondrial DNA (mtDNA) mutation in mitochondrial encephalomyopathy (ME) with lactic acidosis and stroke-like episodes (MELAS) is m.3243A>G. In the future, the incidence of patients with cerebral infarction and diabetes mellitus is expected to increase tremendously. Additionally, the A3243G mutation typical of diabetes is estimated to be present in approximately 2% of all diabetes patients, which suggests that the potential disease population with a mitochondrial disorder is greater than previously thought, and there may have been many cases among the elderly that were misdiagnosed...
September 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28781312/the-prehospital-predictors-of-tracheal-intubation-for-in-patients-who-experience-convulsive-seizures-in-the-emergency-department
#16
Kenichiro Sato, Noritoshi Arai, Aki Omori-Mitsue, Ayumi Hida, Akio Kimura, Sousuke Takeuchi
Objective To identify the prehospital factors predicting the performance of tracheal intubation (TI) at the emergency department (ED) in patients with convulsive seizure or epilepsy. Methods We performed a retrospective analysis of seizure patients who underwent TI at the ED soon after arrival. The clinical variables obtained in the prehospital setting were reviewed. Patients The study population included consecutive adult patients who were transported to an urban tertiary care ED due to convulsive seizure between August 2010 and September 2015...
August 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28721058/clinical-patterns-and-outcomes-of-status-epilepticus-in-patients-with-tuberous-sclerosis-complex
#17
Hatem S Shehata, Hadeer Mahmoud AbdelGhaffar, Mohammed Nasreldin, Alaa Elmazny, Ahmed Abdelalim, Asmaa Sabbah, Nevin M Shalaby
INTRODUCTION: Refractory epilepsy is a common clinical manifestation in patients with tuberous sclerosis complex (TSC), which can be complicated by many life-threatening conditions, such as status epilepticus (SE). However, very few reports mention the patterns and semiology of SE in those patients. OBJECTIVE: To study the clinical characteristics and outcomes of SE in TSC patients. MATERIALS AND METHODS: This observational, prospective study was carried out on 36 Egyptian children with definite TSC...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28390326/active-safety-monitoring-of-measles-mumps-rubella-vaccine-in-the-national-immunisation-programme-of-sri-lanka
#18
K Sanchayan, R Fernandopulle, A Amarasinghe, S N Thiyahiny, S Sri Ranganathan
Objectives: This study was designed to report incidence and characteristics of selected adverse events following immunisation which have consistent causal association (AEFIc) with Measles-Mumps-Rubella (MMR) vaccination given at the age of one year in the National Immunisation Programme of Sri Lanka. Methods: The data presented here were obtained from a cohort event monitoring study. It was carried out in the Jaffna Regional Directorate of Health Services area from November 2012 to December 2014...
March 31, 2017: Ceylon Medical Journal
https://www.readbyqxmd.com/read/28384785/maternal-body-mass-index-in-early-pregnancy-and-risk-of-epilepsy-in-offspring
#19
Neda Razaz, Kristina Tedroff, Eduardo Villamor, Sven Cnattingius
Importance: There is growing concern about the long-term neurologic effects of prenatal exposure to maternal overweight and obesity. The causes of epilepsy are poorly understood and, in more than 60% of the patients, no definitive cause can be determined. Objectives: To investigate the association between early pregnancy body mass index (BMI) and the risk of childhood epilepsy and examine associations between obesity-related pregnancy and neonatal complications and risks of childhood epilepsy...
June 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28322166/glutamate-modulating-drugs-as-a-potential-therapeutic-strategy-in-obsessive-compulsive-disorder
#20
REVIEW
Zoya Marinova, De-Maw Chuang, Naomi Fineberg
OBJECTIVE: Obsessive-compulsive disorder (OCD) is a mental disease commonly associated with severe distress and impairment of social functioning. Serotonin reuptake inhibitors and/or cognitive behavioural therapy are the therapy of choice, however up to 40% of patients do not respond to treatment. Glutamatergic signalling has also been implicated in OCD. The aim of the current study was to review the clinical evidence for therapeutic utility of glutamate-modulating drugs as an augmentation or monotherapy in OCD patients...
2017: Current Neuropharmacology
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