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Neurotrauma

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https://www.readbyqxmd.com/read/28936094/prevention-of-neurotrauma-an-evolving-matter
#1
Samer Hoz, Luis Rafael Moscote-Salazar
No abstract text is available yet for this article.
August 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28887487/trkb-enhancer-facilitates-functional-recovery-after-traumatic-brain-injury
#2
John Marshall, Joanna Szmydynger-Chodobska, Mengia S Rioult-Pedotti, Kara Lau, Andrea T Chin, Siva K Reddy Kotla, Rakesh Kumar Tiwari, Keykavous Parang, Steven W Threlkeld, Adam Chodobski
Brain-derived neurotrophic factor (BDNF), a key player in regulating synaptic strength and learning, is dysregulated following traumatic brain injury (TBI), suggesting that stimulation of BDNF signaling pathways may facilitate functional recovery. This study investigates whether CN2097, a peptidomimetic ligand which targets the synaptic scaffold protein, postsynaptic density protein 95, to enhance downstream signaling of tropomyosin-related kinase B, a receptor for BDNF, can improve neurological function after TBI...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28883806/functional-neuroimaging-in-traumatic-brain-injury-from-nodes-to-networks
#3
REVIEW
John D Medaglia
Since the invention of functional magnetic resonance imaging (fMRI), thousands of studies in healthy and clinical samples have enlightened our understanding of the organization of cognition in the human brain and neuroplastic changes following brain disease and injury. Increasingly, studies involve analyses rooted in complex systems theory and analysis applied to clinical samples. Given the complexity in available approaches, concise descriptions of the theoretical motivation of network techniques and their relationship to traditional approaches and theory are necessary...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28877447/limiting-oxidative-stress-following-neurotrauma-with-a-combination-of-ion-channel-inhibitors
#4
Hannah R Milbourn, Lillian M Toomey, Nikolas Gavriel, Chloe G G Gray, Alexander H Gough, Marcus K Giacci, Melinda Fitzgerald
Following injury to the central nervous system, secondary degeneration is mediated by Ca2+ imbalances and overproduction of reactive oxygen species from mitochondria, and is associated with myelin deficits and loss of function. Preventing intracellular Ca2+ influx at the acute phase of injury is a potential strategy for limiting these deficits and preserving function. The use of single ion channel inhibitors has had little success in attenuating morphological and functional deficits, potentially due to the many pathways by which calcium can traverse the cell membrane...
June 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28877108/prevention-of-heel-pressure-injuries-and-plantar-flexion-contractures-with-use-of-a-heel-protector-in-high-risk-neurotrauma-medical-and-surgical-intensive-care-units-a-randomized-controlled-trial
#5
Tina Meyers
PURPOSE: The purpose of this study was to compare the use of a heel protector to standard of care (pillows) in the prevention of hospital-acquired pressure injuries (HAPI) of the heels and prevention of plantar flexion contractures. DESIGN: Randomized controlled trial. SUBJECTS AND SETTING: The study took place on a surgical intensive care unit, medical intensive care unit, and neurotrauma intensive care unit. Inclusion criteria were a minimum of 5 days of sedation related to care for a critical illness, immobility for 6 to 8 hours before study initiation, a Braden Scale for Pressure Sore Risk score 18 or less, and a mobility subscale score 2 or less...
September 2017: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/28874206/variation-in-monitoring-and-treatment-policies-for-intracranial-hypertension-in-traumatic-brain-injury-a-survey-in-66-neurotrauma-centers-participating-in-the-center-tbi-study
#6
Maryse C Cnossen, Jilske A Huijben, Mathieu van der Jagt, Victor Volovici, Thomas van Essen, Suzanne Polinder, David Nelson, Ari Ercole, Nino Stocchetti, Giuseppe Citerio, Wilco C Peul, Andrew I R Maas, David Menon, Ewout W Steyerberg, Hester F Lingsma
BACKGROUND: No definitive evidence exists on how intracranial hypertension should be treated in patients with traumatic brain injury (TBI). It is therefore likely that centers and practitioners individually balance potential benefits and risks of different intracranial pressure (ICP) management strategies, resulting in practice variation. The aim of this study was to examine variation in monitoring and treatment policies for intracranial hypertension in patients with TBI. METHODS: A 29-item survey on ICP monitoring and treatment was developed on the basis of literature and expert opinion, and it was pilot-tested in 16 centers...
September 6, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28871369/self-inflicted-explosive-death-by-intra-oral-detonation-of-a-firecracker-a-case-report
#7
Musa Aubrey Makhoba, Lorraine du Toit-Prinsloo
Self-inflicted explosive deaths due to detonation of fireworks are rare. In this case report, a peculiar case of an elderly male who discharged a firecracker inside his mouth, resulting in fatal blast induced craniofacial injuries, is described. There is paucity of published data describing fireworks-related suicidal and/or non-suicidal deaths. Even scantier data is present specifically describing fireworks-related blast induced neurotrauma and the mechanism(s) of injury involved in such cases. This case report emphasizes the severe damage that a commercially available explosive, the so-called "Gorilla Bomb", can cause, and raises questions about the relative ease of its acquisition...
September 5, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28867312/models-of-mortality-and-morbidity-in-severe-traumatic-brain-injury-an-analysis-of-a-singapore-neurotrauma-database
#8
Julian Xinguang Han, Angela An Qi See, Mihir Gandhi, Nicolas Kon Kam King
OBJECTIVE: Current prognostic models for traumatic brain injury (TBI) available for use are developed from diverse historical datasets. We aim to construct a prognostication tool for severe TBI as it is this group who would benefit the most from an accurate model. METHODS: Model development was based on a cohort of 300 patients with severe TBI (Glasgow Coma Score [GCS] ≤ 8) consecutively admitted to a neurosurgical intensive care unit in the National Neuroscience Institute (NNI), Singapore, between February 2006 and December 2009...
August 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28863842/title-page-of-factors-associated-with-the-onset-and-progression-of-neurotrauma-a-systematic-review-of-systematic-reviews-and-meta-analyses
#9
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28860331/the-screening-and-management-of-pituitary-dysfunction-following-traumatic-brain-injury-in-adults-british-neurotrauma-group-guidance
#10
REVIEW
Chin Lik Tan, Seyed Alireza Alavi, Stephanie E Baldeweg, Antonio Belli, Alan Carson, Claire Feeney, Anthony P Goldstone, Richard Greenwood, David K Menon, Helen L Simpson, Andrew A Toogood, Mark Gurnell, Peter J Hutchinson
Pituitary dysfunction is a recognised, but potentially underdiagnosed complication of traumatic brain injury (TBI). Post-traumatic hypopituitarism (PTHP) can have major consequences for patients physically, psychologically, emotionally and socially, leading to reduced quality of life, depression and poor rehabilitation outcome. However, studies on the incidence of PTHP have yielded highly variable findings. The risk factors and pathophysiology of this condition are also not yet fully understood. There is currently no national consensus for the screening and detection of PTHP in patients with TBI, with practice likely varying significantly between centres...
August 31, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28840552/the-emerging-role-of-proteomics-in-precision-medicine-applications-in-neurodegenerative-diseases-and-neurotrauma
#11
Rana Alaaeddine, Mira Fayad, Eliana Nehme, Hisham F Bahmad, Firas Kobeissy
Inter-individual variability in response to pharmacotherapy has provoked a higher demand to personalize medical decisions. As the field of pharmacogenomics has served to translate personalized medicine from concept to practice, the contribution of the "omics" disciplines to the era of precision medicine seems to be vital in improving therapeutic outcomes. Although we have observed significant advances in the field of genomics towards personalized medicine , the field of proteomics-with all its capabilities- is still in its infancy towards the area of personalized precision medicine...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28839214/the-role-of-the-immunoproteasome-in-interferon-%C3%AE-mediated-microglial-activation
#12
Kasey E Moritz, Nikki M McCormack, Mahlet B Abera, Coralie Viollet, Young J Yauger, Gauthaman Sukumar, Clifton L Dalgard, Barrington G Burnett
Microglia regulate the brain microenvironment by sensing damage and neutralizing potentially harmful insults. Disruption of central nervous system (CNS) homeostasis results in transition of microglia to a reactive state characterized by morphological changes and production of cytokines to prevent further damage to CNS tissue. Immunoproteasome levels are elevated in activated microglia in models of stroke, infection and traumatic brain injury, though the exact role of the immunoproteasome in neuropathology remains poorly defined...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28832674/the-aggressiveness-of-neurotrauma-practitioners-and-the-influence-of-the-impact-prognostic-calculator
#13
Joshua Letsinger, Casey Rommel, Ryan Hirschi, Raminder Nirula, Gregory W J Hawryluk
Published guidelines have helped to standardize the care of patients with traumatic brain injury; however, there remains substantial variation in the decision to pursue or withhold aggressive care. The International Mission for Prognosis and Analysis of Clinical Trials in TBI (IMPACT) prognostic calculator offers the opportunity to study and decrease variability in physician aggressiveness. The authors wish to understand how IMPACT's prognostic calculations currently influence patient care and to better understand physician aggressiveness...
2017: PloS One
https://www.readbyqxmd.com/read/28816095/new-astroglial-injury-defined-biomarkers-for-neurotrauma-assessment
#14
Julia Halford, Sean Shen, Kyohei Itamura, Jaclynn Levine, Albert C Chong, Gregg Czerwieniec, Thomas C Glenn, David A Hovda, Paul Vespa, Ross Bullock, W Dalton Dietrich, Stefania Mondello, Joseph A Loo, Ina-Beate Wanner
Traumatic brain injury (TBI) is an expanding public health epidemic with pathophysiology that is difficult to diagnose and thus treat. TBI biomarkers should assess patients across severities and reveal pathophysiology, but currently, their kinetics and specificity are unclear. No single ideal TBI biomarker exists. We identified new candidates from a TBI CSF proteome by selecting trauma-released, astrocyte-enriched proteins including aldolase C (ALDOC), its 38kD breakdown product (BDP), brain lipid binding protein (BLBP), astrocytic phosphoprotein (PEA15), glutamine synthetase (GS) and new 18-25kD-GFAP-BDPs...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28806920/specific-ion-channels-contribute-to-key-elements-of-pathology-during-secondary-degeneration-following-neurotrauma
#15
Ryan L O'Hare Doig, Wissam Chiha, Marcus K Giacci, Nathanael J Yates, Carole A Bartlett, Nicole M Smith, Stuart I Hodgetts, Alan R Harvey, Melinda Fitzgerald
BACKGROUND: Following partial injury to the central nervous system, cells beyond the initial injury site undergo secondary degeneration, exacerbating loss of neurons, compact myelin and function. Changes in Ca(2+) flux are associated with metabolic and structural changes, but it is not yet clear how flux through specific ion channels contributes to the various pathologies. Here, partial optic nerve transection in adult female rats was used to model secondary degeneration. Treatment with combinations of three ion channel inhibitors was used as a tool to investigate which elements of oxidative and structural damage related to long term functional outcomes...
August 14, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28776505/effects-of-cathodal-trans-spinal-direct-current-stimulation-on-lower-urinary-tract-function-in-normal-and-spinal-cord-injury-mice-with-overactive-bladder
#16
Zaghloul Ahmed
OBJECTIVE: Lower urinary tract (LUT) dysfunction is a monumental problem affecting quality of life following neurotrauma, such as spinal cord injury (SCI). Proper function of the bladder and its associated structures depends on coordinated activity of the neuronal circuitry in the spinal cord and brain. Disconnection between the spinal and brain centers controlling the LUT causes fundamental changes in the mechanisms involved in the micturition and storage reflexes. We investigated the effects of cathodal trans-spinal direct current stimulation (c-tsDCS) of the lumbosacral spine on bladder and external urinary sphincter (EUS) functions...
October 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28769866/eye-control-deficits-coupled-to-hand-control-deficits-eye-hand-incoordination-in-chronic-cerebral-injury
#17
John-Ross Rizzo, James K Fung, Maryam Hosseini, Azadeh Shafieesabet, Edmond Ahdoot, Rosa M Pasculli, Janet C Rucker, Preeti Raghavan, Michael S Landy, Todd E Hudson
It is widely accepted that cerebral pathology can impair ocular motor and manual motor control. This is true in indolent and chronic processes, such as neurodegeneration and in acute processes such as stroke or those secondary to neurotrauma. More recently, it has been suggested that disruptions in these control systems are useful markers for prognostication and longitudinal monitoring. The utility of examining the relationship or the coupling between these systems has yet to be determined. We measured eye and hand-movement control in chronic, middle cerebral artery stroke, relative to healthy controls, in saccade-to-reach paradigms to assess eye-hand coordination...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28758136/a-mouse-model-of-focal-vascular-injury-induces-astrocyte-reactivity-tau-oligomers-and-aberrant-behavior
#18
Aric F Logsdon, Brandon P Lucke-Wold, Ryan C Turner, Xinlan Li, Chris E Adkins, Afroz S Mohammad, Jason D Huber, Charles L Rosen, Paul R Lockman
Neuropsychiatric symptom development has become more prevalent with 270,000 blast exposures occurring in the past 10 years in the United States. How blast injury leads to neuropsychiatric symptomology is currently unknown. Preclinical models of blast-induced traumatic brain injury have been used to demonstrate blood-brain barrier disruption, degenerative pathophysiology, and behavioral deficits. Vascular injury is a primary effect of neurotrauma that can trigger secondary injury cascades and neurodegeneration...
April 2017: Archives of Neuroscience
https://www.readbyqxmd.com/read/28726590/a-method-of-managing-severe-traumatic-brain-injury-in-the-absence-of-intracranial-pressure-monitoring-the-ice-protocol
#19
Randall Chesnut, Nancy Temkin, Sureyya Dikmen, Carlos Rondina, Walter Videtta, Gustavo Petroni, Silvia Lujan, Victor Alanis, Antonio Luis Eiras Falcao, Gustavo La Fuente, Luis Gonzalez, Manuel Jibaja, Arturo Lavendez, Freddy Sandi Lora, Roberto Merida, Ricardo Romero, James Pridgeon, Jason Barber, Joan Machamer, Kelley Chaddock
Purpose - The imaging- and clinical-examination (ICE) algorithm used in the BEST TRIP ICP randomized controlled trial is the only prospectively investigated clinical protocol for TBI management without ICP monitoring. As the default literature standard, it warrants careful evaluation. Methods - We present the ICE protocol in detail and analyse the demographics, outcome, treatment intensity, frequency of intervention usage, and related adverse events in the ICE-protocol cohort. Results - The 167 ICE protocol patients were young (median 29 years) with a median Glasgow Coma Scale motor score of 4 but with anisocoria or abnormal pupillary reactivity in 40%...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28721915/adding-insight-to-injury-a-new-era-in-neurotrauma
#20
Ruchira M Jha, Patrick M Kochanek
No abstract text is available yet for this article.
August 2017: Lancet Neurology
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