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https://www.readbyqxmd.com/read/29352657/electroencephalographic-monitoring-for-seizure-identification-and-prognosis-in-term-neonates
#1
REVIEW
Shavonne L Massey, Frances E Jensen, Nicholas S Abend
Seizures represent a manifestation of neurological disease in the neonatal period. Historically, neonatal seizures were identified by direct clinical observation. However, since most seizures are electroencephalographic (EEG)-only (subclinical, non-convulsive) and clinical manifestations may be subtle, many clinicians place increasing importance on EEG data including conventional EEG or amplitude-integrated EEG to identify seizures in neonates. Beyond seizure identification, the EEG is a robust source of information about brain function that can be useful for neurobehavioral prognostication in some neonates...
January 15, 2018: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29350659/thiopental-is-better-than-propofol-for-electroconvulsive-therapy
#2
Massimiliano Nuzzi, Dario Delmonte, Barbara Barbini, Laura Pasin, Ornella Sottocorna, Giuseppina Maria Casiraghi, Cristina Colombo, Giovanni Landoni, Alberto Zangrillo
BACKGROUND AND AIM OF THE WORK: electroconvulsive therapy is a psychiatric procedure requiring general anesthesia. The choice of the hypnotic agent is important because the success of the intervention is associated to the occurrence and duration of motor convulsion. However, all available anesthetic agents have anti-convulsant activity. We compared the effect of thiopental and propofol on seizures. METHODS: We designed a retrospective study at Mood Disorders Unit of a teaching Hospital...
January 16, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29344472/status-epilepticus-as-an-unusual-manifestation-of-heat-stroke
#3
Won Gu Lee, So-Young Huh, Jin-Hyung Lee, Bong Goo Yoo, Meyung Kug Kim
Heat stroke (HS) is a medical emergency and life threatening condition, characterized by body temperature over 40°C. This can lead to dysfunction of multiple organs such as the heart, liver, kidneys, lungs, blood coagulation system, and central nervous system. Neurological complications include change in consciousness, cerebellar dysfunction, convulsions, aphasia, muscular weakness, and parkinsonism. Cerebellar syndrome is the most common neurological finding in HS. We report a case of HS presenting with status epilepticus, without any other neurological manifestations...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344469/successful-use-of-therapeutic-hypothermia-for-refractory-nonconvulsive-status-epilepticus
#4
Do-Hyung Kim, Hye-Hoon Kang, Minjung Kim, Tae-Won Yang, Oh-Young Kwon, Jung Sook Yeom, Bong Su Kang, Yong Hwan Kim, Young-Soo Kim
Therapeutic hypothermia (TH) has rarely been utilized as an adjunct to anticonvulsants in treating patients with refractory convulsive status epilepticus (CSE). However, determining the effectiveness of TH in CSE is difficult due to the unavoidable use of sedative drugs to manage hypothermia. Additionally, the effectiveness of TH has not been studied in patients with refractory non-convulsive status epilepticus (NCSE). Here, we report the successful use of TH without additional sedative drugs in a patient with temporal lobe epilepsy and refractory NCSE...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29344464/cannabinoids-in-the-treatment-of-epilepsy-hard-evidence-at-last
#5
REVIEW
Emilio Perucca
The interest in cannabis-based products for the treatment of refractory epilepsy has skyrocketed in recent years. Marijuana and other cannabis products with high content in Δ(9) - tetrahydrocannabinol (THC), utilized primarily for recreational purposes, are generally unsuitable for this indication, primarily because THC is associated with many undesired effects. Compared with THC, cannabidiol (CBD) shows a better defined anticonvulsant profile in animal models and is largely devoid of adverse psychoactive effects and abuse liability...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29337236/maintenance-of-the-innate-seizure-threshold-by-cyclooxygenase-2-is-not-influenced-by-the-translational-silencer-t-cell-intracellular-antigen-1
#6
Yifan Gong, James A Hewett
Activity of neuronal cyclooxygenase-2 (COX-2), a primary source of PG synthesis in the normal brain, is enhanced by excitatory neurotransmission and this is thought to be involved in seizure suppression. Results herein showing that the incidence of pentylenetetrazole (PTZ)-induced convulsions is suppressed in transgenic mice overexpressing COX-2 in neurons supports this notion. T-cell intracellular antigen-1 (TIA-1) is an mRNA binding protein that is known to bind to COX-2 mRNA and repress its translation in non-neuronal cell types...
January 11, 2018: Neuroscience
https://www.readbyqxmd.com/read/29337050/impairments-in-social-novelty-recognition-and-spatial-memory-in-mice-with-conditional-deletion-of-scn1a-in-parvalbumin-expressing-cells
#7
Tetsuya Tatsukawa, Ikuo Ogiwara, Emi Mazaki, Atsushi Shimohata, Kazuhiro Yamakawa
Loss of function mutations in the SCN1A gene, which encodes the voltage-gated sodium channel Nav1.1, have been described in the majority of Dravet syndrome patients presenting with epileptic seizures, hyperactivity, autistic traits, and cognitive decline. We previously reported predominant Nav1.1 expression in parvalbumin-expressing (PV+) inhibitory neurons in juvenile mouse brain and observed epileptic seizures in mice with selective deletion of Scn1a in PV+ cells mediated by PV-Cre transgene expression (Scn1afl/+/PV-Cre-TG)...
January 11, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29335781/peripartum-events-associated-with-severe-neurologic-morbidity-and-mortality-among-acidemic-neonates
#8
Sivan Zuarez-Easton, Sally Hosary, Noah Zafran, Gali Garmi, Clari Felszer, Raed Salim
PURPOSE: To identify peripartum events that may predict the development of short-term neurologic morbidity and mortality among acidemic neonates. METHODS: Retrospective case-control study conducted at a single-teaching hospital on data from January 2010 to December 2015. The study cohort group included all acidemic neonates (cord artery pH ≤ 7.1) born at ≥ 34 weeks. Primary outcome was a composite including any of the following: neonatal encephalopathy, convulsions, intra-ventricular hemorrhage, or neonatal death...
January 15, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29335158/arvanil-olvanil-am-1172-and-ly-2183240-various-cannabinoid-cb1-receptor-agonists-increase-the-threshold-for-maximal-electroshock-induced-seizures-in-mice
#9
Piotr Tutka, Aleksandra Wlaź, Magdalena Florek-Łuszczki, Patrycjusz Kołodziejczyk, Dorota Bartusik-Aebisher, Jarogniew J Łuszczki
BACKGROUND: Recent evidence reveals therapeutic potential for cannabinoids to reduce seizure frequency, severity and duration. Animal models are useful tools to determine the potential antiseizure or antiepileptic effects of cannabinoids. The objective of this study was evaluation of the effect of arvanil, olvanil, AM 1172 and LY 2183240, the compounds interacted with endocannabinoid and/or endovanilloid systems, on convulsions in the commonly used model of convulsions in mice. METHODS: Arvanil and olvanil were injected intraperitoneally (ip) 30 min and AM 1172 and LY 2183240 were administered ip 60 min before the maximal electroshock seizure threshold (MEST) test...
August 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29331765/5-6-dihydropyrimidine-1-2h-carbothioamides-synthesis-in-vitro-gaba-at-screening-anticonvulsant-activity-and-molecular-modelling-study
#10
Meeta Sahu, Nadeem Siddiqui, Vidushi Sharma, Sharad Wakode
Even after considerable advances in the field of epilepsy treatment, convulsions are inefficiently controlled by standard drug therapy. Herein, a series of pyrimidine-carbothioamide derivatives 4(a-t) was designed as anticonvulsant agents by doing some important structural modifications in well-known anticonvulsant drugs. Two classical animal models were used for the in vivo anticonvulsant screening, maximum electroshock seizure (MES) and subcutaneous pentylenetetrazole (scPTZ) models; followed by motor impairment study by rotarod method...
January 2, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29331007/anaesthetic-management-of-nesidioblastosis-in-two-infants
#11
Muhammad Saad Yousuf, Mohsin Nazir Butt, Fauzia Anis Khan
Nesidioblastosis is the most common cause of non-transient, recurrent and persistent hypoglycaemia in neonates and infants. It is a disorder of diffuse proliferation of beta cells of the pancreas leading to hyperinsulinemia and hypoglycaemia. The main aim is to prevent the severe episodes of hypoglycaemia which can cause damage to the brain and/or mental retardation. In this case report we present two cases of nesidioblastosis and their perioperative anaesthetic course for near-total pancreatectomy. First case was a 7 months old female who had repeated episodes of convulsions since birth...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29327202/transient-disruption-of-adenosine-signaling-during-embryogenesis-triggers-a-pro-epileptic-phenotype-in-adult-zebrafish
#12
Fabiano Peres Menezes, Felipe Machado Torresini, Laura Roesler Nery, Rosane Souza da Silva
Adenosinergic signaling has important effects on brain function, anatomy, and physiology in both late and early stages of development. Exposure to caffeine, a non-specific blocker of adenosine receptor, has been indicated as a developmental risk factor. Disruption of adenosinergic signaling during early stages of development can change the normal neural network formation and possibly lead to an increase in susceptibility to seizures. In this work, morpholinos (MO) temporarily blocked the translation of adenosine receptor transcripts, adora1, adora2aa, and adora2ab, during the embryonic phase of zebrafish...
January 11, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29325471/intracranial-subarachnoid-hemorrhage-following-cervical-laminoplasty-a-report-of-two-cases
#13
Yuichi Kondo, Kazunari Fushimi, Makoto Takasawa, Shigeo Kanamori, Takaki Miyagawa, Kenji Kawashima, Kazutoshi Yokoyama, Haruhiko Akiyama
Intracranial hemorrhage is a rare complication of spinal surgery. Case 1 was a 58-year-old man who underwent cervical laminoplasty. No apparent iatrogenic dural rupture or cerebrospinal fluid leakage was observed. An hour after the surgery, the patient had convulsions and became restless thereafter. CT revealed an intracranial SAH. The patient recovered normal consciousness the next morning. Case 2 was a 68-year-old woman who underwent cervical laminoplasty without postoperative CSF leakage. Six days after the surgery, the patient continued to complain of nausea and headache...
January 12, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29321991/buddleja-globosa-matico-prevents-collagen-induced-platelet-activation-by-decreasing-phospholipase-c-gamma-2-and-protein-kinase-c-phosphorylation-signaling
#14
Manuel Fuentes, Cesar Sepúlveda, Marcelo Alarcón, Iván Palomo, Eduardo Fuentes
Platelets play a key role in thrombosis and cardiovascular diseases. Medicinal plants could be one of the most important factors that influence risks for platelet activation. Buddleja globosa (known as "matico") is a medicinal plant with many biological activities. The high content of polyphenols suggest that matico could have antiplatelet activity. The present study was aimed at evaluating mechanisms of antiplatelet action of an extract of matico. We demonstrated that matico extract at low concentrations and in a concentration dependent manner (0...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29320603/drug-management-for-acute-tonic-clonic-convulsions-including-convulsive-status-epilepticus-in-children
#15
REVIEW
Amy McTague, Timothy Martland, Richard Appleton
BACKGROUND: Tonic-clonic convulsions and convulsive status epilepticus (currently defined as a tonic-clonic convulsion lasting at least 30 minutes) are medical emergencies and require urgent and appropriate anticonvulsant treatment. International consensus is that an anticonvulsant drug should be administered for any tonic-clonic convulsion that has been continuing for at least five minutes. Benzodiazepines (diazepam, lorazepam, midazolam) are traditionally regarded as first-line drugs and phenobarbital, phenytoin and paraldehyde as second-line drugs...
January 10, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29318511/midazolam-efficacy-against-acute-hydrogen-sulfide-induced-mortality-and-neurotoxicity
#16
Poojya Anantharam, Dong-Suk Kim, Elizabeth M Whitley, Belinda Mahama, Paula Imerman, Piyush Padhi, Wilson K Rumbeiha
Hydrogen sulfide (H2S) is a colorless, highly neurotoxic gas. It is not only an occupational and environmental hazard but also of concern to the Department of Homeland Security for potential nefarious use. Acute high-dose H2S exposure causes death, while survivors may develop neurological sequelae. Currently, there is no suitable antidote for treatment of acute H2S-induced neurotoxicity. Midazolam (MDZ), an anti-convulsant drug recommended for treatment of nerve agent intoxications, could also be of value in treating acute H2S intoxication...
January 9, 2018: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/29317560/a-new-combined%C3%A2-vaccine%C3%A2-against-measles-mumps-rubella-and-varicella-in-india
#17
Nitin Shah, Raunak Parikh, Giacomo Casabona, Shafi Kolhapure
A quadrivalent MMRV (measles-mumps-rubella-varicella) combination vaccine has recently been launched in India. This vaccine is highly immunogenic, with seroconversion rates against all antigens reaching 96.6-100% at 42 to 56 days after the second vaccine dose in unvaccinated children or in those previously vaccinated with MMR+/-V. Two doses efficacy, against all varicella is 94.1% and effectiveness reaches 91%. The most frequent solicited local adverse event after MMRV vaccine is redness, and fever is the most common solicited general symptom...
December 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/29316763/-an-investigation-on-a-family-tetramine-poisoning-accident
#18
W J Wang, X D Jian, Y Z Wu, K Wang, J E Jia, Z C Zhang
Objective: To investigate and analyze the clinical data of tetramine poisoning in a family and prevent similar incidents from happening again. Methods: The study was conducted in July 2016 in a fami-ly with thiamine poisoning in shandong province, and the clinical data were analyzed. Results: In this case, there are six cases of poisoning caused by the tetramine poisoning, and the convulsions are the main clinical manifestations, and the blood perfusion can have a good effect on the severe patients. After positive treatment, all 6 patients were cured...
November 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29306758/altered-expression-of-gaba-a-receptor-subunits-in-the-hippocampus-of-ptz-kindled-rats
#19
Janusz Szyndler, Piotr Maciejak, Karolina Kołosowska, Natalia Chmielewska, Anna Skórzewska, Patrycja Daszczuk, Adam Płaźnik
BACKGROUND: Changes in the expression of the GABA-A receptor subunits involved in phasic and tonic inhibition have been studied in a wide spectrum of animal models of epilepsy. However, there is no exhaustive data regarding the pentylenetetrazole (PTZ) kindling model of epilepsy. METHODS: The aim of our study was to analyse the hippocampal changes in the expression of GABA-A receptor subunits involved in phasic (α1, γ2) or tonic (α4 and δ) inhibition in rats subjected to the PTZ kindling using immunohistochemistry method as well as in animals subjected to a single injection of a subconvulsive (30 mg/kg) or convulsive (55 mg/kg) dose of PTZ...
July 16, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29306214/the-essence-of-the-first-2-5%C3%A2-h-in-the-treatment-of-generalized-convulsive-status-epilepticus
#20
Leena Kämppi, Harri Mustonen, Kaisa Kotisaari, Seppo Soinila
PURPOSE: This study was designed to find realistic cut-offs of the delays predicting outcome after generalized convulsive status epilepticus (GCSE) and serving protocol streamlining of GCSE patients. METHOD: This retrospective study includes all consecutive adult (>16 years) patients (N = 70) diagnosed with GCSE in Helsinki University Central Hospital emergency department over 2 years. We defined ten specific delay parameters in the management of GCSE and determined functional outcome and mortality at hospital discharge...
December 28, 2017: Seizure: the Journal of the British Epilepsy Association
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