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Emergency neurology

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https://www.readbyqxmd.com/read/27909399/a-subset-of-autism-associated-genes-regulate-the-structural-stability-of-neurons
#1
REVIEW
Yu-Chih Lin, Jeannine A Frei, Michaela B C Kilander, Wenjuan Shen, Gene J Blatt
Autism spectrum disorder (ASD) comprises a range of neurological conditions that affect individuals' ability to communicate and interact with others. People with ASD often exhibit marked qualitative difficulties in social interaction, communication, and behavior. Alterations in neurite arborization and dendritic spine morphology, including size, shape, and number, are hallmarks of almost all neurological conditions, including ASD. As experimental evidence emerges in recent years, it becomes clear that although there is broad heterogeneity of identified autism risk genes, many of them converge into similar cellular pathways, including those regulating neurite outgrowth, synapse formation and spine stability, and synaptic plasticity...
2016: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/27907969/neuroprotection-in-critical-care-neurology
#2
Menno R Germans, Hieronymus D Boogaarts, R Loch Macdonald
Ischemic stroke, intracerebral hemorrhage, subarachnoid hemorrhage, and traumatic brain injury-all have in common early brain injury due to brain tissue destruction, reduced cerebral blood flow and oxygen delivery, and overall substantial morbidity and mortality. The pathophysiology of brain tissue damage likely includes common cellular mechanisms. Neuroprotection has seldom, if ever, been shown to reduce early brain injury. Secondary brain injury develops after these conditions due to macroscopic events such as increased intracranial pressure and reduced cerebral blood flow, as well as cellular processes including vascular damage, inflammation, and apoptotic/necrotic cell death...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907967/modern-approach-to-brain-death
#3
Panayiotis N Varelas, Ariane Lewis
People die either when their heart and respiration stop or when their brain irreversibly stops functioning. This latter mode of death by neurologic criteria (also called brain death) emerged after the development of ventilators and intensive care units in the late 1950s and 1960s. Brain death is universally accepted as a modern entity, but the complex process for declaring a patient brain dead is not uniformly followed across country and state lines or even hospital policies, creating unacceptable variability and risks for falsely pronouncing a patient dead...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907964/critical-care-neurology-perspective-on-delirium
#4
Matthew B Maas, Andrew M Naidech
The evidence linking delirium to poor outcomes after critical illness is compelling, including higher mortality, prolonged mechanical ventilation, longer length of intensive care unit stay, and long-term cognitive impairments. The attitude toward delirium in the neurologic community is shifting away from viewing it as an unmodifiable, inevitable consequence of severe illness to treating it is as a neurologic emergency, akin to seizures or encephalitis. Delirium, like other manifestations of critical illness encephalopathy, is an organ dysfunction syndrome...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907959/status-epilepticus-in-the-intensive-care-unit
#5
Adriana Bermeo-Ovalle, Thomas Bleck
Status epilepticus (SE) is a common neurologic emergency and a frequent reason for admission to the intensive care unit. During the last decade, the advent and availability of diagnostic tools for the recognition of nonconvulsive SE has highlighted an even higher incidence of this condition among the critically ill. New alternatives in treatment have also become available within recent years. The recommendation of early escalation toward the use of general anesthetics in the treatment of convulsive SE follows the theory that the duration of the event defines the aggressiveness of the condition and the potential for long-term neuronal injury...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907958/critical-care-management-after-cardiac-arrest
#6
Hans Friberg, Tobias Cronberg
Sudden cardiac arrest is a devastating event with high mortality and substantial morbidity among survivors. Early recognition and intervention to restore circulation is the primary goal; once that is achieved, the path toward a meaningful recovery starts. Initial in-hospital care is focused on emergency cardiac care, but soon there is a change to a more brain-oriented critical care including targeted temperature management, brain monitoring, sedation, and repeated neurologic assessments. In patients who show early signs of awakening from coma once sedation has been stopped, the prognosis is generally good...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27907951/neurocritical-care-and-emergency-neurology
#7
Kevin N Sheth
No abstract text is available yet for this article.
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27905440/organization-and-functions-of-mglu-and-gabab-receptor-complexes
#8
Jean-Philippe Pin, Bernhard Bettler
The neurotransmitters glutamate and γ-aminobutyric acid (GABA) transmit synaptic signals by activating fast-acting ligand-gated ion channels and more slowly acting G-protein-coupled receptors (GPCRs). The GPCRs for these neurotransmitters, metabotropic glutamate (mGlu) and GABAB receptors, are atypical GPCRs with a large extracellular domain and a mandatory dimeric structure. Recent studies have revealed how these receptors are activated through multiple allosteric interactions between subunit domains. It emerges that the molecular complexity of these receptors is further increased through association with trafficking, effector and regulatory proteins...
December 1, 2016: Nature
https://www.readbyqxmd.com/read/27904004/delayed-diagnosis-of-blunt-carotid-trauma-in-a-seat-belt-syndrome-with-associated-abdominal-wall-injury-a-case-report
#9
Savino Occhionorelli, Dario Andreotti, Daniela Tartarini, Lorenzo Cappellari, Rocco Stano, Lucia Morganti, Giorgio Vasquez
: The aim of this case report is to be aware of occult carotid lesions in thoracic- abdominal trauma because, carotid artery injury consequent to blunt trauma is rare, affecting less than 1% of patients as reported in literature. A 45-years-old female, involved in a traffic accident, arrived to Emergency Room hemodynamically stable, with a Glasgow Coma Scale of 15, complaining abdominal pain, without any neurological signs. She underwent Computed Tomography (CT) scan that showed a complete disruption of left abdominal wall muscles, associated with massive bowel loops herniation...
November 28, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/27902929/necroptosis-in-amyotrophic-lateral-sclerosis-and-other-neurological-disorders
#10
REVIEW
Jessica R Morrice, Cheryl Y Gregory-Evans, Christopher A Shaw
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder characterized by the progressive degeneration of upper and lower motor neurons. Cell death in ALS and in general was previously believed to exist as a dichotomy between apoptosis and necrosis. Most research investigating cell death mechanisms in ALS was conducted before the discovery of programmed necrosis thus did not use selective cell death pathway-specific markers. Recently, a new form of programmed cell death, termed "necroptosis", has been characterized and has been recently implicated in ALS as a primary mechanism driving motor neuron cell death in different forms of ALS...
November 27, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27896329/myasthenia-gravis-with-acute-respiratory-failure-in-the-emergency-department
#11
Hasan Huseyin Kozak, Ali Ulvi Uca, Turgut Teke, Mustafa Altas, Emine Karatas
Acute respiratory failure (ARF) is defined as a sudden malfunction in the ability of respiratory system to maintain adequate gas exchange. Acute hypercapnic respiratory failure develops as a result of ventilation deficiency and it is defined as an increase of PaCO2 above 45 mmHg. Myasthenia Gravis (MG) is a sporadically developing auto-immune deficiency where the neuro-muscular transmission is affected and it is one of the important reasons for neurologically-induced respiratory distress. Here, we report a case of a 75-year-old male patient previously undiagnosed MG, who presented with ARF...
June 2016: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27896320/influences-of-do-not-resuscitate-order-prohibition-on-cpr-outcomes
#12
Umut Gulacti, Ugur Lok
OBJECTIVES: The aim of the study is to determine factors affecting the return of spontaneous circulation (ROSC) ratios, neurological outcomes at discharge, the ratio of living patients discharged from the hospital and due to Do not attempt resuscitation (DNAR) prohibition. MATERIAL AND METHODS: This is a retrospective observational study conducted on patients of cardiopulmonary resuscitation (CPR) performed in emergency department (ED) and intensive care units between February 2010 and February 2012...
June 2016: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27894945/successful-treatment-of-refractory-status-epilepticus-using-anterior-thalamic-nuclei-deep-brain-stimulation
#13
Ching-Yi Lee, Siew-Na Lim, Tony Wu, Shih-Tseng Lee
BACKGROUND: Refractory status epilepticus(RSE) is considered a medical emergency in neurology and is related to a high mortality rate. We report a successfully treated case of RSE using deep brain stimulation (DBS) at the anterior thalamic nuclei (ATN). METHOD: Report concerning the resolution of RSE after DBS of the ATN in a 17-year-old woman RESULT: This patient developed RSE due to progressive seizure activity. RSE with generalized tonic-clonic seizures was noted two weeks prior to admission...
November 25, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27893969/hospital-characteristics-and-favourable-neurological-outcome-among-patients-with-out-of-hospital-cardiac-arrest-in-osaka-japan
#14
Tasuku Matsuyama, Kosuke Kiyohara, Tetsuhisa Kitamura, Chika Nishiyama, Tatsuya Nishiuchi, Yasuyuki Hayashi, Takashi Kawamura, Bon Ohta, Taku Iwami
OBJECTIVE: To assess the association between favourable neurological outcome and hospital characteristics such as hospital volume and number of critical care centres (CCMCs) after out-of-hospital cardiac arrest (OHCA). METHODS: This retrospective, population-based observational study conducted in Osaka Prefecture, Japan included adult patients with OHCA, aged ≥18 years, before the arrival of the emergency medical service and who were transported to acute care hospitals between January 2005 and December 2012...
November 25, 2016: Resuscitation
https://www.readbyqxmd.com/read/27893680/the-value-of-ezis-analysis-of-tc-99m-ecd-spect-on-identifying-cerebellar-hypoperfusion-in-a-patient-with-superficial-siderosis-a-case-report
#15
Cheng-Yu Wei, Tai-Yi Chen, Ian Shih, Pai-Yi Chiu, Guang-Uei Hung, Hiroshi Matsuda
INTRODUCTION: Brain perfusion single photon computed tomography (SPECT) is a functional imaging modality and has been widely utilized in evaluation of various kinds of neurological disorders. Easy z-score imaging system (eZIS) is a computer-assisted statistical analysis, based on the comparison with age-classified ethyl cysteinate dimer (ECD) normal database, which provides objectively interpretation of Tc-99m ECD brain perfusion SPECT.Here we presented a 64-year-old male with dizziness, spin sensation, nausea, and vomiting in the emergency room, and brain computed tomography scan showed only small hypodensity lesion in cerebellum...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27893672/risk-factors-of-severe-hypoglycemia-requiring-medical-assistance-and-neurological-sequelae-in-patients-with-diabetes-a-case-control-study
#16
Ja Young Jeon, Se Ran Kim, Hae Jin Kim, Dae Jung Kim, Kwan-Woo Lee, Jung-Dong Lee, Seung Jin Han
Hypoglycemia commonly occurs in patients who are being treated for diabetes. In some cases, these patients suffer from severe hypoglycemia that requires medical assistance and which can unfortunately result in long-term disabilities. Therefore, we investigated risk factors associated with severe hypoglycemia requiring medical assistance (HMA) and the resulting neurological sequelae in patients with diabetes. This investigation was a case-control study that assessed 129 patients with diabetes and documented hypoglycemia from a single tertiary hospital between February 2013 and May 2015...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27893285/recent-advances-in-subtyping-tumors-of-the-central-nervous-system-using-molecular-data
#17
Jens Schittenhelm
Primary brain tumors account for substantial morbidity and mortality. They often infiltrate the brain diffusely, continue growing, and cause adverse events, such as headaches, seizures, and neurological deficits. The classification of primary brain tumors, based for decades on histology, has been fundamentally changed by the World Health Organization in 2016 by incorporation of molecular data. Areas covered: Literature from glioblastomas, high- and low-grade astrocytic, oligodendroglial, glioneuronal and ependymal tumors from the last five years were reviewed...
November 28, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27893129/us-emergency-department-visits-for-outpatient-adverse-drug-events-2013-2014
#18
Nadine Shehab, Maribeth C Lovegrove, Andrew I Geller, Kathleen O Rose, Nina J Weidle, Daniel S Budnitz
Importance: The Patient Protection and Affordable Care Act of 2010 brought attention to adverse drug events in national patient safety efforts. Updated, detailed, nationally representative data describing adverse drug events can help focus these efforts. Objective: To describe the characteristics of emergency department (ED) visits for adverse drug events in the United States in 2013-2014 and describe changes in ED visits for adverse drug events since 2005-2006...
November 22, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27892990/zika-virus-what-the-otolaryngologist-should-know-a-review
#19
Demetri Arnaoutakis, Tapan Padhya
Importance: Initially discovered in 1947, Zika virus infection received little notoriety as a tropical disease until 2015 when an outbreak of microcephaly cases was reported in Brazil. Zika is a single-stranded RNA arbovirus of the Flaviviridae family. The primary source of infection in humans stems from Aedes aegypti mosquito bites but can also occur through sexual, blood, and perinatal transmission. With expectations that 3 to 4 million people across the Americas will be infected over the next year, the World Health Organization has declared this event a Public Health Emergency of International Concern...
November 17, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27891112/deep-brain-stimulation-for-tourette-s-syndrome-the-case-for-targeting-the-thalamic-centromedian-parafascicular-complex
#20
REVIEW
Paola Testini, Hoon-Ki Min, Asif Bashir, Kendall H Lee
Tourette's syndrome (TS) is a neurologic condition characterized by both motor and phonic tics and is typically associated with psychiatric comorbidities, including obsessive-compulsive disorder/behavior and attention-deficit hyperactivity disorder, and can be psychologically and socially debilitating. It is considered a disorder of the cortico-striato-thalamo-cortical circuitry, as suggested by pathophysiology studies and therapeutic options. Among these, deep brain stimulation (DBS) of the centromedian-parafascicular nucleus (CM-Pf) of the thalamus is emerging as a valuable treatment modality for patients affected by severe, treatment-resistant TS...
2016: Frontiers in Neurology
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