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https://www.readbyqxmd.com/read/28446648/pregabalin-use-early-in-pregnancy-and-the-risk-of-major-congenital-malformations
#1
Elisabetta Patorno, Brian T Bateman, Krista F Huybrechts, Sarah C MacDonald, Jacqueline M Cohen, Rishi J Desai, Alice Panchaud, Helen Mogun, Page B Pennell, Sonia Hernandez-Diaz
OBJECTIVE: To assess whether first-trimester exposure to pregabalin is associated with an increased risk of major congenital malformations, as recently suggested in a pregnancy registry study. METHODS: We performed a cohort study nested in the US Medicaid Analytic eXtract (MAX). The study population included 1,323,432 pregnancies resulting in a live-born infant between 2000 and 2010. We examined the risk of major congenital malformations among infants born to women exposed to pregabalin during the first trimester compared with women unexposed to anticonvulsants...
April 26, 2017: Neurology
https://www.readbyqxmd.com/read/28446201/anticonvulsant-effects-of-antiaris-toxicaria-aqueous-extract-investigation-using-animal-models-of-temporal-lobe-epilepsy
#2
Priscilla Kolibea Mante, Donatus Wewura Adongo, Eric Woode
BACKGROUND: Antiaris toxicaria has previously shown anticonvulsant activity in acute animal models of epilepsy. The aqueous extract (AAE) was further investigated for activity in kindling with pentylenetetrazole and administration of pilocarpine and kainic acid which mimic temporal lobe epilepsy in various animal species. RESULTS: ICR mice and Sprague-Dawley rats were pre-treated with AAE (200-800 mg kg(-1)) and convulsive episodes induced using pentylenetetrazole, pilocarpine and kainic acid...
April 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28445615/status-epilepticus-in-dogs-and-cats-part-1-etiopathogenesis-epidemiology-and-diagnosis
#3
Susan Blades Golubovic, John H Rossmeisl
OBJECTIVE: To review current knowledge of the etiopathogenesis, diagnosis, and consequences of status epilepticus (SE) in veterinary patients. DATA SOURCES: Human and veterinary literature, including clinical and laboratory research and reviews. ETIOPATHOGENESIS: Status epilepticus is a common emergency in dogs and cats, and may be the first manifestation of a seizure disorder. It results from the failure of termination of an isolated seizure...
April 26, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28445601/status-epilepticus-in-dogs-and-cats-part-2-treatment-monitoring-and-prognosis
#4
Susan Blades Golubovic, John H Rossmeisl
OBJECTIVE: To discuss current anticonvulsant drug options and advances in treatment of status epilepticus (SE) and to review the prognosis associated with SE. TREATMENT: When treating a patient with SE, the main goals are to halt seizure activity, prevent further seizures, identify the cause of the seizures, and manage any complications. The veterinary literature indicates that benzodiazepines are the most common class of drugs used for the initial treatment of SE...
April 26, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28442369/further-evaluation-of-the-potential-anxiolytic-activity-of-imidazo-1-5-a-1-4-diazepin-agents-selective-for-%C3%AE-2-3-containing-gabaa-receptors
#5
J M Witkin, R Cerne, M Wakulchik, J S, S D Gleason, T M Jones, G Li, L A Arnold, Jun-Xu Li, J M Schkeryantz, K R Methuku, J M Cook, M M Poe
Positive allosteric modulators of GABAA receptors transduce a host of beneficial effects including anxiolytic actions. We have recently shown that bioavailability and anxiolytic-like activity can be improved by eliminating the ester functionality in imidazo[1,5-a][1,4]diazepines. In the present series of experiments, we further substantiate the value of heterocyle replacement of the ester for potential treatment of anxiety. None of the three esters was active in a Vogel conflict test in rats that detects anxiolytic drugs like diazepam...
April 22, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28441341/a-long-term-treatment-with-arachidonyl-2-chloroethylamide-combined-with-valproate-increases-neurogenesis-in-a-mouse-pilocarpine-model-of-epilepsy
#6
Marta Andres-Mach, Mirosław Zagaja, Agnieszka Haratym-Maj, Radosław Rola, Maciej Maj, Joanna Haratym, Monika Dudra-Jastrzębska, Jarogniew J Łuszczki
Rational polytherapy in the treatment of refractory epilepsy has been the main therapeutic modality for several years. In treatment with two or more antiepileptic drugs (AEDs), it is of particular importance that AEDs be selected based on their high anticonvulsant properties, minimal side effects, and impact on the formation of new neurons. The aim of the study was to conduct an in vivo evaluation of the relationship between treatments with synthetic cannabinoid arachidonyl-2'-chloroethylamide (ACEA) alone or in combination with valproic acid (VPA) and hippocampal neurogenesis in a mouse pilocarpine model of epilepsy...
April 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28441041/the-child-network-for-parents-to-track-their-child-s-mood-and-behavior
#7
Robert M Post, Michael Rowe, Dana Kaplan, Robert Findling
INTRODUCTION: A wide range of psychiatric disorders are common in young children, especially in those at high risk because of a parent with a unipolar or bipolar mood disorder in the United States. Yet in part because most children are seen in primary care, these illnesses are often not recognized or treated in a timely fashion. To begin to address this problem, we started the Child Network. METHODS: The Child Network is for parents of children age 2-12 with mood or behavioral symptoms or at high risk for them...
April 25, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28439683/genistein-modulation-of-seizure-involvement-of-estrogen-and-serotonin-receptors
#8
Saeed Amiri Gheshlaghi, Razieh Mohammad Jafari, Mohammad Algazo, Nastaran Rahimi, Hussein Alshaib, Ahmad Reza Dehpour
Genistein, a major source of phytoestrogen exposure for humans and animals, has been shown to mediate neuroprotection in Alzheimer's disease and status epilepticus. In the present study, we investigated the effect of genistein on pentylenetetrazole-induced seizures in ovariectomized mice and the possible involvement of estrogenic and serotonergic pathways in the probable effects of genistein. Intraperitoneal (i.p.) administration of genistein (10 mg/kg) significantly increased the seizure threshold 30 min prior to induction of seizures 14 days after ovariectomy surgery...
April 24, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28438504/agomelatine-protects-against-neuronal-damage-without-preventing-epileptogenesis-in-the-kainate-model-of-temporal-lobe-epilepsy
#9
Jana Tchekalarova, Dimitrinka Atanasova, Zlatina Nenchovska, Milena Atanasova, Lidia Kortenska, Rumyana Gesheva, Nikolai Lazarov
Recent studies about the novel antidepressant agomelatine, which is a mixed MT1 and MT2 melatonin receptor agonist and 5HT2C serotonin receptor antagonist possessing an anticonvulsant and neuroprotective action, suggest that it may have potential to contribute against epileptogenesis and epilepsy-induced memory impairment. In order to ascertain whether protection of some brain structures could suppress epileptogenesis, in the present study, we evaluated the effect of chronic post-status treatment with agomelatine on epileptogenesis, behavioral and neuronal damage induced by kainate acid (KA) status epilepticus (SE)...
April 21, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28437821/-rapid-cycling-in-bipolar-disorders-symptoms-%C3%A2-background%C3%A2-and-treatment-recommendations
#10
Stephan Köhler, Eva Friedel, Thomas Stamm
Rapid cycling bipolar disorder is encountered frequently in clinical practice with a lifetime prevalence of up to 31 %. Besides its association with greater illness severity, increased suicide and comorbidity rates, rapid cycling bipolar disorder has been closely associated with a longer and more complicated course of disease and inadequate treatment response compared to non-rapid cycling bipolar disorder. However rapid cycling does not serve as a stable characteristic of bipolar disorder, though its prevalence increases with illness duration...
April 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/28435427/novel-4-thiazolidinone-derivatives-as-agonists-of-benzodiazepine-receptors-design-synthesis-and-pharmacological-evaluation
#11
Mehrdad Faizi, Reza Jahani, Seyed Abbas Ebadi, Sayyed Abbas Tabatabai, Elham Rezaee, Mehrnaz Lotfaliei, Mohsen Amini, Ali Almasirad
A new series of 4-chloro-N-(2-(substitutedphenyl)-4-oxothiazolidin-3-yl)-2-phenoxybenzamide derivatives were designed, synthesized and biologically evaluated as anticonvulsant agents. The designed compounds have the main essential functional groups for binding to the benzodiazepine receptors and 4-thiazolidinone ring as an anticonvulsant pharmacophore. Some of the new synthesized compounds showed considerable anticonvulsant activity in electroshock and pentylenetetrazole-induced lethal convulsion tests. Compound 5i, 4-chloro-N-(2-(4-methoxyphenyl)-4-oxothiazolidin-3-yl)-2-phenoxybenzamide, with the best activity was selected for evaluation of other benzodiazepine pharmacological effects...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28435118/transoral-intracranial-injury-via-middle-skull-base-by-a-blunt-chopstick-in-a-child
#12
Thiti Samuthrat, Ke Ye, Ying Tong
BACKGROUND: Transoral penetrating injury from a blunt-tipped chopstick is unusual and should be promptly dealt with since it is associated with high morbidity and mortality. CASE DESCRIPTION: We report a peculiar case of a 2-year-old girl who suffered from a transoral penetrating brain injury after falling onto a bamboo chopstick, which penetrated through the hard palate and eventually led to middle skull base fracture as well as temporal lobe laceration and contusion...
April 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433619/lack-of-pathogenic-mutations-in-sos1-gene-in-phenytoin-induced-gingival-overgrowth-patients
#13
Katia Margiotti, Giulia Pascolini, Federica Consoli, Valentina Guida, Carlo Di Bonaventura, Anna Teresa Giallonardo, Antonio Pizzuti, Alessandro De Luca
OBJECTIVE: Gingival overgrowth is a side effect associated with some distinct classes of drugs, such as anticonvulsants, immunosuppressants, and calcium channel blockers. One of the main drugs associated with gingival overgrowth is the antiepileptic phenytoin, which affects gingival tissues by altering extracellular matrix metabolism. It has been shown that mutation of human SOS1 gene is responsible for a rare hereditary gingival fibromatosis type 1, a benign gingival overgrowth. The aim of the present study is to evaluate the possible contribution of SOS1 mutation to gingival overgrowth-related phenotype...
April 5, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28431741/chloride-dysregulation-seizures-and-cerebral-edema-a-relationship-with-therapeutic-potential
#14
REVIEW
Joseph Glykys, Volodymyr Dzhala, Kiyoshi Egawa, Kristopher T Kahle, Eric Delpire, Kevin Staley
Pharmacoresistant seizures and cytotoxic cerebral edema are serious complications of ischemic and traumatic brain injury. Intraneuronal Cl(-) concentration ([Cl(-)]i) regulation impacts on both cell volume homeostasis and Cl(-)-permeable GABAA receptor-dependent membrane excitability. Understanding the pleiotropic molecular determinants of neuronal [Cl(-)]i - cytoplasmic impermeant anions, polyanionic extracellular matrix (ECM) glycoproteins, and plasmalemmal Cl(-) transporters - could help the identification of novel anticonvulsive and neuroprotective targets...
April 18, 2017: Trends in Neurosciences
https://www.readbyqxmd.com/read/28427029/treatment-of-refractory-and-super-refractory-status-epilepticus-with-brivaracetam-a-cohort-study-from-two-german-university-hospitals
#15
Adam Strzelczyk, Isabel Steinig, Laurent M Willems, Philipp S Reif, Christian Senft, Martin Voss, Bernadette Gaida, Felix von Podewils, Felix Rosenow
PURPOSE: We aimed to ascertain the possible use of brivaracetam (BRV) as an option for treatment of status epilepticus (SE). METHODS: A review of medical records was carried out to detect BRV administration in SE patients treated in Frankfurt and Greifswald during the period February 2016 to January 2017. The primary outcome question concerned SE resolution after BRV initiation. RESULTS: During that period, BRV was started with eleven adult patients with SE...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427027/multisensory-temporal-function-and-eeg-complexity-in-patients-with-epilepsy-and-psychogenic-nonepileptic-events
#16
Jean-Paul Noel, LeAnne Kurela, Sarah H Baum, Hong Yu, Joseph S Neimat, Martin J Gallagher, Mark Wallace
Cognitive and perceptual comorbidities frequently accompany epilepsy and psychogenic nonepileptic events (PNEE). However, and despite the fact that perceptual function is built upon a multisensory foundation, little knowledge exists concerning multisensory function in these populations. Here, we characterized facets of multisensory processing abilities in patients with epilepsy and PNEE, and probed the relationship between individual resting-state EEG complexity and these psychophysical measures in each patient...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28425821/l-carnitine-supplementation-to-reverse-hyperammonemia-in-a-patient-undergoing-chronic-valproic-acid-treatment-a-case-report
#17
Cecilia Maldonado, Natalia Guevara, Alicia Silveira, Pietro Fagiolino, Marta Vázquez
Valproic acid is a broad-spectrum anticonvulsant that has also gained attention in the psychiatric setting. With respect to safety, valproic acid may induce a seemingly rare condition, hyperammonemia, which can induce a wide variety of symptoms ranging from irritability to coma. The proposed mechanism of hyperammonemia involves depletion of carnitine and overproduction of a toxic metabolite, 4-en-valproic acid, both of which impair the urea cycle and thus ammonia elimination. Carnitine is a commonly used antidote for acute intoxication of valproic acid, but is not a therapeutic option for management of chronic adults with adverse effects related to valproic acid...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28424403/-non-convulsive-status-epilepticus-caused-by-hyponatremia-in-an-elderly-woman-a-case-report
#18
Yoshinori Kurauchi, Masahiro Yasaka, Keisuke Tokunaga, Masaki Saito, Shun Shimohama, Yasushi Okada
We report the case of a 67-year-old woman with non-convulsive status epilepticus (NCSE) due to hyponatremia. She had a history of psychogenic polydipsia but not epilepsy. She was admitted to our hospital with dysbulia. On admission, she was confused and disoriented (Glasgow Coma Scale: 6, E1V1M4). Magnetic resonance imaging of the brain showed no abnormalities. Laboratory test showed hyponatremia (Na<sup>+</sup> level: 115 mEq/L). The electroencephalography (EEG) showed a generalized slow wave of 5 Hz during recording...
April 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28419925/characterization-and-application-of-restricted-access-carbon-nanotubes-in-online-extraction-of-anticonvulsant-drugs-from-plasma-samples-followed-by-liquid-chromatography-analysis
#19
Rodrigo Campos Dos Santos, Adriana Kaori Kakazu, Mariane Gonçalves Santos, Fábio Antônio Belinelli Silva, Eduardo Costa Figueiredo
Anticonvulsant drugs are often used in the treatment of epilepsy. However, their therapeutic monitoring is often necessary in order to obtain an appropriate dose adjustment, due to the proximity between their therapeutic and toxic ranges. The aim of this study was to carry out the synthesis, characterization and use of restricted access carbon nanotubes (RACNTs) in an online method for the analyses of phenobarbital and carbamazepine and primidone from untreated human blood plasma by column switching liquid chromatography...
April 11, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28418160/synthesis-and-evaluation-of-5-o-tolyl-1h-tetrazole-derivatives-as-potent-anticonvulsant-agents
#20
Shiyang Dong, Tiantian Wang, Huayu Wang, Kun Qian, Zhongli Zhang, Yueming Zuo, Guangming Luo, Yi Jin, Zengtao Wang
A series of 5-(o-tolyl)-1H-tetrazole derivatives were synthesized and evaluated for their anticonvulsant activities. 1-(2-Methylbenzyl)-5-(o-tolyl)-1H-tetrazole (3h) showed important anticonvulsant activity against the MES-induced seizures, as well as lower neurotoxicity with an ED50 value of 12.7 mg/kg and a TD50 value of over 500 mg/kg after intraperitoneal injection into mice, providing 3h with a high protective index (TD50 /ED50 ) of over 39.4. The achieved results prove that the distinctive compounds could be valuable as a model for future development, adaptation, and investigation to construct more active analogues...
April 18, 2017: Archiv der Pharmazie
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