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https://www.readbyqxmd.com/read/28622122/exploding-head-syndrome-in-the-epilepsy-monitoring-unit-case-report-and-literature-review
#1
Kara Gillis, Marcus C Ng
Diagnosis of paroxysmal events in epilepsy patients is often made through video-telemetry electroencephalography in the epilepsy monitoring unit. This case report describes the first-ever diagnosis of exploding head syndrome in a patient with longstanding epilepsy and novel nocturnal events. In this report, we describe the presentation of exploding head syndrome and its prevalence and risk factors. In addition, the prevalence of newly diagnosed sleep disorders through video-telemetry electroencephalography in the epilepsy monitoring unit is briefly reviewed...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28609734/assessment-of-treatment-patterns-and-healthcare-costs-associated-with-probable-lennox-gastaut-syndrome
#2
J Eric Piña-Garza, Georgia D Montouris, Francis Vekeman, Wendy Y Cheng, Edward Tuttle, Philippe Giguere-Duval, Mei Sheng Duh, Vivienne Shen, Timothy B Saurer, Jouko Isojarvi
Lennox-Gastaut syndrome (LGS) is a chronic and severe form of epilepsy characterized by intractable seizures, cognitive impairment, and abnormal electroencephalogram findings with slow spike-wave complexes. It typically presents before age 8, but symptoms continue into adulthood and require lifelong treatment associated with significant clinical burden. Data on LGS-associated healthcare utilization and costs are limited. In this study we use a claims-based LGS classifier based on random forest methodology to identify patients with probable LGS from the a Medicaid multi-state database and assess its prevalence across the age spectrum, healthcare utilization, treatment patterns, costs, and comorbid conditions...
June 10, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28584608/super-refractory-status-epilepticus-in-hashimoto-s-encephalopathy
#3
Mujahid Al-Busaidi, Jyoti Burad, Asma Al-Belushi, Arun Gujjar
We present a case of a 38-year-old woman who was at eight weeks of gestation and was admitted to Sultan Qaboos University Hospital with refractory status epilepticus (SE). She presented with a two-day history of fever and a depressed level of consciousness that was followed with generalized tonic-clonic seizures. She progressed to refractory SE that required intubation and mechanical ventilation. Autoimmune workup was suggestive of Hashimoto's encephalopathy (HE) as suggested by the high levels of thyroid antibodies...
May 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28567538/comparative-effectiveness-of-eight-antiepileptic-drugs-in-adults-with-focal-refractory-epilepsy-the-influence-of-age-gender-and-the-sequence-in-which-drugs-were-introduced-onto-the-market
#4
Jussi Mäkinen, Jukka Peltola, Jani Raitanen, Tiina Alapirtti, Sirpa Rainesalo
The first objective was to determine the long-term retention rate of eight antiepileptic drugs (AEDs) commonly used as adjunctive therapy in adults with focal refractory epilepsy. Second, we assessed the effects of age and gender on retention rates. Third, we examined if the retention rate could be influenced by the sequence in which the AEDs had entered the market. Patients with focal refractory epilepsy treated with any of the eight AEDs in Tampere University Hospital were identified retrospectively (N = 507)...
July 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28542801/serum-protein-binding-of-25-antiepileptic-drugs-in-a-routine-clinical-setting-a-comparison-of-free-non-protein-bound-concentrations
#5
Philip N Patsalos, Miguel Zugman, Charlotte Lake, Anthony James, Neville Ratnaraj, Josemir W Sander
OBJECTIVE: Given that only the free non-protein-bound concentration of an antiepileptic drug (AED) crosses the blood-brain barrier, entering the brain and producing an antiepileptic effect, knowledge and measurement of the free drug fraction is important. Such data are sparse, particularly for newer AEDs, and have arisen from the use of disparate methodologies and settings over the past six decades. We report on the protein binding of 25 AEDs that are available for clinical use, along with two pharmacologically active metabolites (carbamazepine-epoxide and N-desmethyl clobazam), using standardized methodology and under set conditions...
May 24, 2017: Epilepsia
https://www.readbyqxmd.com/read/28524224/-epileptic-encephalopathies-in-infancy-how-do-we-treat-them-does-the-aetiology-influence-the-response-to-treatment
#6
S Roldan
INTRODUCTION: Resistance to treatments is a common feature of Ohtahara, Aicardi, West and Dravet syndromes, as well as malignant migrating epilepsy in infancy. AIMS: To update the therapeutic management and to analyse whether the aetiology somehow determines the treatment. DEVELOPMENT: Convulsive seizures in the first year of life may be due to a potentially treatable aetiology, which makes it essential to carry out a complete evaluation so as to be able to begin, as early as possible, the most suitable and the non-specific symptomatic treatments to control the seizures, which prevents or minimises their deleterious effects...
May 17, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28491900/screening-of-conventional-anticonvulsants-in-a-genetic-mouse-model-of-epilepsy
#7
Nicole A Hawkins, Lyndsey L Anderson, Tracy S Gertler, Linda Laux, Alfred L George, Jennifer A Kearney
OBJECTIVE: Epilepsy is a common neurological disorder that affects 1% of the population. Approximately, 30% of individuals with epilepsy are refractory to treatment, highlighting the need for novel therapies. Conventional anticonvulsant screening relies predominantly on induced seizure models. However, these models may not be etiologically relevant for genetic epilepsies. Mutations in SCN1A are a common cause of Dravet Syndrome, a severe epileptic encephalopathy. Dravet syndrome typically begins in infancy with seizures provoked by fever and then progresses to include afebrile pleomorphic seizure types...
May 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28479797/lennox-gastaut-syndrome-a-prospective-follow-up-study
#8
Bhanu Pratap Rathaur, Ravindra Kumar Garg, Hardeep Singh Malhotra, Neeraj Kumar, Praveen Kumar Sharma, Rajesh Verma, Ravi Uniyal
OBJECTIVES: Lennox-Gastaut syndrome is a catastrophic epileptic encephalopathy. In Lennox-Gastaut syndrome, seizures are resistant to pharmacological treatment. In this prospective study, we evaluated the clinical features, neuroimaging, and response to treatment. MATERIALS AND METHODS: Forty-three consecutive newly diagnosed patients of Lennox-Gastaut syndrome were enrolled in the study. Baseline clinical assessment included seizure semiology, seizure frequency, electroencephalography, and neuroimaging...
April 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28461749/treatment-resistant-lennox-gastaut-syndrome-therapeutic-trends-challenges-and-future-directions
#9
REVIEW
Adam P Ostendorf, Yu-Tze Ng
Lennox-Gastaut syndrome is a severe, childhood-onset electroclinical syndrome comprised of multiple seizure types, intellectual and behavioral disturbances and characteristic findings on electroencephalogram of slow spike and wave complexes and paroxysmal fast frequency activity. Profound morbidity often accompanies a common and severe seizure type, the drop attack. Seizures often remain refractory, or initial treatment efficacy fades. Few individuals are seizure free despite the development of multiple generations of antiseizure medications over decades and high-level evidence on several choices...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28449218/development-and-pharmacologic-characterization-of-the-rat-6-hz-model-of-partial-seizures
#10
COMPARATIVE STUDY
Cameron S Metcalf, Peter J West, Kyle E Thomson, Sharon F Edwards, Misty D Smith, H Steve White, Karen S Wilcox
OBJECTIVE: The mouse 6 Hz model of psychomotor seizures is a well-established and commonly used preclinical model for antiseizure drug (ASD) discovery. Despite its widespread use both in the identification and differentiation of novel ASDs in mice, a corresponding assay in rats has not been developed. We established a method for 6 Hz seizure induction in rats, with seizure behaviors similar to those observed in mice including head nod, jaw clonus, and forelimb clonus. METHODS: A convulsive current that elicits these seizure behaviors in 97% of rats (CC97 ) was determined using a Probit analysis...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28434133/stiripentol-in-the-management-of-epilepsy
#11
REVIEW
Katherine C Nickels, Elaine C Wirrell
Stiripentol is a structurally unique antiepileptic drug that has several possible mechanisms of action, including diverse effects on the gamma-aminobutyric acid (GABA)-A receptor and novel inhibition of lactate dehydrogenase. Because of its inhibition of several cytochrome P450 enzymes, it has extensive pharmacokinetic interactions, which often necessitates reduction in doses of certain co-therapies, particularly clobazam. Stiripentol also has a neuroprotective action, by reducing calcium-mediated neurotoxicity...
May 2017: CNS Drugs
https://www.readbyqxmd.com/read/28418172/analgesic-effect-of-clobazam-in-chronic-low-back-pain-but-not-in-experimentally-induced-pain
#12
J Schliessbach, P H Vuilleumier, A Siegenthaler, L Bütikofer, A Limacher, P Juni, H U Zeilhofer, L Arendt-Nielsen, M Curatolo
BACKGROUND: Chronic pain is frequently associated with hypersensitivity of the nervous system, and drugs that increase central inhibition are therefore a potentially effective treatment. Benzodiazepines are potent modulators of GABAergic neurotransmission and are known to exert antihyperalgesic effects in rodents, but translation into patients are lacking. This study investigates the effect of the benzodiazepine clobazam in chronic low-back pain in humans. The aim of this study is to explore the effect of GABA modulation on chronic low-back pain and on quantitative sensory tests...
April 18, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28346953/lennox-gastaut-syndrome-a-state-of-the-art-review
#13
Mario Mastrangelo
Lennox-Gastaut syndrome (LGS) is a severe age-dependent epileptic encephalopathy usually with onset between 1 and 8 years of age. Functional neuroimaging studies recently introduced the concept of Lennox-Gastaut as "secondary network epilepsy" resulting from dysfunctions of a complex system involving both cortical and subcortical structures (default-mode network, corticoreticular connections, and thalamus). These dysfunctions are produced by different disorders including hypoxic-ischemic encephalopathies, meningoencephalitis, cortical malformations, neurocutaneous disorders, or tumors...
June 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28274497/development-and-validation-of-a-quantification-method-for-cucurbitacins-e-and-i-in-rat-plasma-application-to-population-pharmacokinetic-studies
#14
Giovana Maria Lanchoti Fiori, Salvatore D'Agate, Adriana Rocha, Ana Maria Soares Pereira, Oscar Della Pasqua, Norberto Peporine Lopes
Cucurbitacin E is a potential drug candidate due to its anticancer activity, recognition of its molecular targets, and synergism with other drugs used for cancer treatment. However, the use of cucurbitacin E in clinical practice is not possible because of important knowledge gaps in its preclinical and clinical pharmacokinetic characteristics. Cucurbitacin E is hydrolyzed to cucurbitacin I in plasma and in human liver microsomes. The aim of this study was to evaluate the population pharmacokinetics of cucurbitacin E and of its metabolite cucurbitacin I in rats...
February 20, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28273540/screening-of-benzodiazepines-in-thirty-european-rivers
#15
Jerker Fick, Tomas Brodin, Martina Heynen, Jonatan Klaminder, Micael Jonsson, Katerina Grabicova, Tomas Randak, Roman Grabic, Vit Kodes, Jaroslav Slobodnik, Andrew Sweetman, Mark Earnshaw, Anna Barra Caracciolo, Teresa Lettieri, Robert Loos
Pharmaceuticals as environmental contaminants have received a lot of interest over the past decade but, for several pharmaceuticals, relatively little is known about their occurrence in European surface waters. Benzodiazepines, a class of pharmaceuticals with anxiolytic properties, have received interest due to their behavioral modifying effect on exposed biota. In this study, our results show the presence of one or more benzodiazepine(s) in 86% of the analyzed surface water samples (n = 138) from 30 rivers, representing seven larger European catchments...
June 2017: Chemosphere
https://www.readbyqxmd.com/read/28225210/prophylactic-drug-management-for-febrile-seizures-in-children
#16
REVIEW
Martin Offringa, Richard Newton, Martinus A Cozijnsen, Sarah J Nevitt
BACKGROUND: Febrile seizures occurring in a child older than one month during an episode of fever affect 2% to 4% of children in Great Britain and the United States and recur in 30%. Rapid-acting antiepileptics and antipyretics given during subsequent fever episodes have been used to avoid the adverse effects of continuous antiepileptic drugs. OBJECTIVES: To evaluate primarily the effectiveness and safety of antiepileptic and antipyretic drugs used prophylactically to treat children with febrile seizures; but also to evaluate any other drug intervention where there was a sound biological rationale for its use...
February 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28207600/advancements-in-the-critical-care-management-of-status-epilepticus
#17
Andrew Bauerschmidt, Andrew Martin, Jan Claassen
PURPOSE OF REVIEW: Status epilepticus has a high morbidity and mortality. There are little definitive data to guide management; however, new recent data continue to improve understanding of management options of status epilepticus. This review examines recent advancements regarding the critical care management of status epilepticus. RECENT FINDINGS: Recent studies support the initial treatment of status epilepticus with early and aggressive benzodiazepine dosing...
April 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28183048/potential-impurities-of-anxiolytic-drug-clobazam-identification-synthesis-and-characterization-using-hplc-lc-esi-ms-n-and-nmr
#18
Neeraj Kumar, Subba Rao Devineni, Shailendra Kumar Dubey, Pramod Kumar
During the optimization of process, eight impurities (CLB Imp-A to CLB Imp-H) were detected in few of the laboratory batches of clobazam, used as anxiolytic agent, in the range of 0.02-0.12% using gradient HPLC method with UV detection. On the basis of co-spiking analysis, six impurities (CLB Imp-A to -F) enumerated by European Pharmacopoeia, however, not reported in the earlier literature, have been harmonized and found to be two impurities are completely unknown (CLB Imp-G and -H). These two new impurities structures were presumed based on LC-ESI/MS(n) study as 8-chloro-1-methyl-5-phenyl-1,5-dihydro-3H-1,5-benzodiazepine-2,4-dione (CLB Imp-G) and 5-chloro-1-methyl-3-phenyl-1H-benzo[d]imidazol-2(3H)-one (CLB Imp-H)...
April 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28162658/-415-effect-of-the-benzodiazepine-clobazam-in-chronic-low-back-pain-and-experimental-pain-modalities-a-randomized-placebo-controlled-crossover-study
#19
J Schliessbach, P Vuilleumier, A Siegenthaler, L Bütikofer, A Limacher, P Juni, H Zeilhofer, L Arendt-Nielsen, M Curatolo
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28094153/development-and-validation-of-a-fast-ionic-liquid-based-dispersive-liquid-liquid-microextraction-procedure-combined-with-lc-ms-ms-analysis-for-the-quantification-of-benzodiazepines-and-benzodiazepine-like-hypnotics-in-whole-blood
#20
Marieke De Boeck, Sophie Missotten, Wim Dehaen, Jan Tytgat, Eva Cuypers
To date, thorough clean-up of complex biological samples remains an essential part of the analytical process. The solid phase extraction (SPE) technique is the well-known standard, however, its main weaknesses are the labor-intensive and time-consuming protocols. In this respect, dispersive liquid-liquid microextractions (DLLME) seem to offer less complex and more efficient extraction procedures. Furthermore, ionic liquids (ILs) - liquid salts - are emerging as new promising extraction solvents, thanks to their non-flammable nature, negligible vapor pressure and easily adaptable physiochemical properties...
May 2017: Forensic Science International
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