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Traumatic brain injury

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https://www.readbyqxmd.com/read/28214984/dl-3-n-butylphthalide-nbp-provides-neuroprotection-in-the-mice-models-after-traumatic-brain-injury-via-nrf2-are-signaling-pathway
#1
Zhengwei Liu, Handong Wang, Xiaofeng Shi, Liwen Li, Mengliang Zhou, Hui Ding, Youqing Yang, Xiang Li, Ke Ding
The present study was aimed to evaluate the neuroprotective effects of NBP in the mice models of TBI, as well as the possible role of Nrf2-ARE pathways in the assumptive neuroprotection. In mice,a modified Marmarou's weight-drop model was employed to induce TBI. ICR mice were randomly assigned to four experimental groups: sham, TBI, TBI+vehicle(V) and TBI+NBP. NBP (100 mg/kg) was administered via an intraperitoneal (i.p.) injection at 1 h following TBI. The administration of NBP significantly ameliorated the effects of the brain injury, including neurological deficits, brain water content, and cortical neuronal apoptosis...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214960/axonal-disruption-in-white-matter-underlying-cortical-sulcus-tau-pathology-in-chronic-traumatic-encephalopathy
#2
Laurena Holleran, Joong Hee Kim, Mihika Gangolli, Thor Stein, Victor Alvarez, Ann McKee, David L Brody
Chronic traumatic encephalopathy (CTE) is a progressive degenerative disorder associated with repetitive traumatic brain injury. One of the primary defining neuropathological lesions in CTE, based on the first consensus conference, is the accumulation of hyperphosphorylated tau in gray matter sulcal depths. Post-mortem CTE studies have also reported myelin loss, axonal injury and white matter degeneration. Currently, the diagnosis of CTE is restricted to post-mortem neuropathological analysis. We hypothesized that high spatial resolution advanced diffusion MRI might be useful for detecting white matter microstructural changes directly adjacent to gray matter tau pathology...
February 18, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28213892/opportunities-for-repurposing-of-poly-adp-ribose-polymerase-parp-inhibitors-for-the-therapy-of-non-oncological-diseases
#3
REVIEW
Nathan A Berger, Valerie C Besson, A Hamid Boulares, Alexander Bürkle, Alberto Chiarugi, Robert S Clark, Nicola J Curtin, Salvatore Cuzzocrea, Ted M Dawson, Valina L Dawson, György Haskó, Lucas Liaudet, Flavio Moroni, Pál Pacher, Peter Radermacher, Andrew L Salzman, Solomon H Snyder, Francisco Garcia Soriano, Robert P Strosznajder, Balázs Sümegi, Raymond A Swanson, Csaba Szabo
The recent clinical availability of the PARP inhibitor Lynparza (olaparib) opens the door for potential therapeutic repurposing for non-oncological indications. Considering (a) the preclinical efficacy data with PARP inhibitors in non-oncological diseases and (b) the risk-benefit ratio of treating patients with a compound that inhibits an enzyme that has physiological roles in the regulation of DNA repair, indications where (a) the severity of the disease is high, (b) the available therapeutic options are limited, and (c) the duration of PARP inhibitor administration could be short, provide first-line options for therapeutic repurposing...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28213195/blunt-traumatic-brain-injury-patients-a-role-for-ct-angiography-of-the-head-to-evaluate-non-traumatic-etiologies
#4
REVIEW
Ha Nguyen, Ninh Doan, Michael Gelsomino, Saman Shabani
BACKGROUND: In the setting of trauma, the etiology of intracranial hemorrhage (ICH) is frequently attributed to the physical, traumatic event. Caution should still be directed towards non-traumatic (or spontaneous) etiologies responsible for the trauma, such as hypertension, cerebral amyloid angiopathy, aneurysms, vascular malformation, and hemorrhagic infarcts. The role for immediate CT angiography (CTA) remains controversial to evaluate for non-traumatic etiologies. METHODS: A systematic review of the available literature in Medline PubMed database...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28212955/health-state-preference-weights-for-the-glasgow-outcome-scale-following-traumatic-brain-injury-a-systematic-review-and-mapping-study
#5
Gordon Ward Fuller, Monica Hernandez, David Pallot, Fiona Lecky, Mathew Stevenson, Belinda Gabbe
BACKGROUND: Valid and relevant estimates of health state preference weights (HSPWs) for Glasgow Outcome Scale (GOS) categories are a key input of economic models evaluating treatments for traumatic brain injury (TBI). OBJECTIVES: To characterize existing HSPW estimates, and model the EuroQol five-dimensional questionnaire (EQ-5D) from the GOS, to inform parameterization of future economic models. METHODS: A systematic review of HSPWs for GOS categories following TBI was conducted using a highly sensitive search strategy implemented in an extensive range of information sources between 1975 and 2016...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28212927/patients-with-chronic-dizziness-following-traumatic-head-injury-typically-have-multiple-diagnoses-involving-combined-peripheral-and-central-vestibular-dysfunction
#6
Q Arshad, R E Roberts, H Ahmad, R Lobo, M Patel, T Ham, D J Sharp, B M Seemungal
OBJECTIVE: We hypothesised that chronic vestibular symptoms (CVS) of imbalance and dizziness post-traumatic head injury (THI) may relate to: (i) the occurrence of multiple simultaneous vestibular diagnoses including both peripheral and central vestibular dysfunction in individual patients increasing the chance of missed diagnoses and suboptimal treatment; (ii) an impaired response to vestibular rehabilitation since the central mechanisms that mediate rehabilitation related brain plasticity may themselves be disrupted...
February 7, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28212177/neurocognitive-outcomes-for-acute-global-acquired-brain-injury-in-children
#7
Fenella J Kirkham
PURPOSE OF REVIEW: In children, acute global brain injury from traumatic brain injury (TBI) and nontraumatic coma has a substantial cost to the child, the family, and the society. There have historically been relatively few studies looking at long-term cognition and behavioural outcomes. RECENT FINDINGS: Long-term follow-up studies, population-based studies, and meta-analyses are now available for TBI in children as well as adults and suggest that there is a significant cognitive cost, particularly for processing speed, working memory, and intelligence quotient (IQ) in severe TBI...
February 15, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28211592/a-methodology-for-assessing-deployment-trauma-and-its-consequences-in-oef-oif-ond-veterans-the-tracts-longitudinal-prospective-cohort-study
#8
Regina E McGlinchey, William P Milberg, Jennifer R Fonda, Catherine Brawn Fortier
Many US veterans of Afghanistan and Iraq have multiple physical and psychiatric problems. A major focus of research has been on determining the effects of mild Traumatic Brain Injury (mTBI), but mTBI is rarely diagnosed in the absence of co-occurring conditions such as blast exposure, post-traumatic stress disorder (PTSD), depression, substance abuse, etc. These potentially interactive psychological and physical conditions produce complex patterns of cognitive, psychological, and physical symptoms that impede civilian reintegration and complicate efficient and effective treatment planning...
February 17, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28210542/dynamic-association-between-perfusion-and-white-matter-integrity-across-time-since-injury-in-veterans-with-history-of-tbi
#9
Alexandra L Clark, Katherine J Bangen, Scott F Sorg, Dawn M Schiehser, Nicole D Evangelista, Benjamin McKenna, Thomas T Liu, Lisa Delano-Wood
OBJECTIVE: Cerebral blood flow (CBF) plays a critical role in the maintenance of neuronal integrity, and CBF alterations have been linked to deleterious white matter changes. Although both CBF and white matter microstructural alterations have been observed within the context of traumatic brain injury (TBI), the degree to which these pathological changes relate to one another and whether this association is altered by time since injury have not been examined. The current study therefore sought to clarify associations between resting CBF and white matter microstructure post-TBI...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28210402/interdisciplinary-management-of-minimally-displaced-orbital-roof-fractures-delayed-pulsatile-exophthalmos-and-orbital-encephalocele
#10
Austin Y Ha, William Mangham, Sarah A Frommer, David Choi, Petra Klinge, Helena O Taylor, Adetokunbo A Oyelese, Stephen R Sullivan
Traumatic orbital roof fractures are rare and are managed nonoperatively in most cases. They are typically associated with severe mechanisms of injury and may be associated with significant neurologic or ophthalmologic compromise including traumatic brain injury and vision loss. Rarely, traumatic encephalocele or pulsatile exophthalmos may be present at the time of injury or develop in delayed fashion, necessitating close observation of these patients. In this article, we describe two patients with minimally displaced blow-in type orbital roof fractures that were later complicated by orbital encephalocele and pulsatile exophthalmos, prompting urgent surgical intervention...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28210211/app-as-a-protective-factor-in-acute-neuronal-insults
#11
REVIEW
Dimitri Hefter, Andreas Draguhn
Despite its key role in the molecular pathology of Alzheimer's disease (AD), the physiological function of amyloid precursor protein (APP) is unknown. Increasing evidence, however, points towards a neuroprotective role of this membrane protein in situations of metabolic stress. A key observation is the up-regulation of APP following acute (stroke, cardiac arrest) or chronic (cerebrovascular disease) hypoxic-ischemic conditions. While this mechanism may increase the risk or severity of AD, APP by itself or its soluble extracellular fragment APPsα can promote neuronal survival...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28209460/pharmacologic-cardioversion-with-intravenous-amiodarone-is-likely-safe-in-neurocritically-ill-patients
#12
Michael Su, David Seki, Asma M Moheet
Neurological injury is often associated with cardiac abnormalities, including electrophysiological issues. Cardioversion of acute atrial fibrillation (<48h' duration) without anticoagulation carries about a 0.7% risk of thromboembolism. There is limited data on managing acute atrial fibrillation specifically in the neuroscience intensive care unit (NSICU) setting. We sought to determine the safety of using intravenous (IV) amiodarone for restoring sinus rhythm in patients with presumed new onset atrial or ventricular tachycardia after neurological injury...
February 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28209450/the-effect-of-tranexamic-acid-in-traumatic-brain-injury-a-randomized-controlled-trial
#13
Abolfazl Jokar, Koorosh Ahmadi, Tayyebeh Salehi, Mahdi Sharif-Alhoseini, Vafa Rahimi-Movaghar
PURPOSE: Traumatic brain injury (TBI) is a leading cause of death and disability. Intracranial hemorrhage (ICH) secondary to TBI is associated with a high risk of coagulopathy which leads to increasing risk of hemorrhage growth and higher mortality rate. Therefore, antifibrinolytic agents such as tranexamic acid (TA) might reduce traumatic ICH. The aim of the present study was to investigate the extent of ICH growth after TA administration in TBI patients. METHODS: This single-blind randomized controlled trial was conducted on patients with traumatic ICH (with less than 30 ml) referring to the emergency department of Vali-Asr Hospital, Arak, Iran in 2014...
January 20, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28209192/learning-from-2523-trauma-deaths-in-india-opportunities-to-prevent-in-hospital-deaths
#14
Nobhojit Roy, Deepa Kizhakke Veetil, Monty Uttam Khajanchi, Vineet Kumar, Harris Solomon, Jyoti Kamble, Debojit Basak, Göran Tomson, Johan von Schreeb
BACKGROUND: A systematic analysis of trauma deaths is a step towards trauma quality improvement in Indian hospitals. This study estimates the magnitude of preventable trauma deaths in five Indian hospitals, and uses a peer-review process to identify opportunities for improvement (OFI) in trauma care delivery. METHODS: All trauma deaths that occurred within 30 days of hospitalization in five urban university hospitals in India were retrospectively abstracted for demography, mechanism of injury, transfer status, injury description by clinical, investigation and operative findings...
February 16, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28208906/association-of-serum-uric-acid-level-with-the-severity-of-brain-injury-and-patient-s-outcome-in-severe-traumatic-brain-injury
#15
Masoud Hatefi, Masoud Moghadas Dastjerdi, Bahareh Ghiasi, Asghar Rahmani
INTRODUCTION: The prognostic value of serum Uric Acid (UA) levels in Traumatic Brain Injury (TBI) is unclear. AIM: To investigate the relationship between serum UA levels and prognosis of patients with TBI when in hospital and at six months after discharge. MATERIALS AND METHODS: All patients attended our emergency department during July 2014 and December 2015 and were consecutively entered into the study and among 890 evaluated candidates based on inclusion criteria we finally investigated the serum UA levels of 725 TBI patients...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208601/surgical-neurostimulation-for-spinal-cord-injury
#16
REVIEW
Aswin Chari, Ian D Hentall, Marios C Papadopoulos, Erlick A C Pereira
Traumatic spinal cord injury (SCI) is a devastating neurological condition characterized by a constellation of symptoms including paralysis, paraesthesia, pain, cardiovascular, bladder, bowel and sexual dysfunction. Current treatment for SCI involves acute resuscitation, aggressive rehabilitation and symptomatic treatment for complications. Despite the progress in scientific understanding, regenerative therapies are lacking. In this review, we outline the current state and future potential of invasive and non-invasive neuromodulation strategies including deep brain stimulation (DBS), spinal cord stimulation (SCS), motor cortex stimulation (MCS), transcutaneous direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) in the context of SCI...
February 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28207601/advanced-monitoring-in-traumatic-brain-injury-microdialysis
#17
Keri L H Carpenter, Adam M H Young, Peter J Hutchinson
PURPOSE OF REVIEW: Here, we review the present state-of-the-art of microdialysis for monitoring patients with severe traumatic brain injury, highlighting the newest developments. Microdialysis has evolved in neurocritical care to become an established bedside monitoring modality that can reveal unique information on brain chemistry. RECENT FINDINGS: A major advance is recent consensus guidelines for microdialysis use and interpretation. Other advances include insight obtained from microdialysis into the complex, interlinked traumatic brain injury disorders of electrophysiological changes, white matter injury, inflammation and metabolism...
February 14, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28207570/international-survey-of-critically-ill-children-with-acute-neurologic-insults-the-prevalence-of-acute-critical-neurological-disease-in-children-a-global-epidemiological-assessment-study
#18
Ericka L Fink, Patrick M Kochanek, Robert C Tasker, John Beca, Michael J Bell, Robert S B Clark, Jamie Hutchison, Monica S Vavilala, Anthony Fabio, Derek C Angus, R Scott Watson
OBJECTIVE: The international scope of critical neurologic insults in children is unknown. Our objective was to assess the prevalence and outcomes of children admitted to PICUs with acute neurologic insults. DESIGN: Prospective study. SETTING: Multicenter (n = 107 PICUs) and multinational (23 countries, 79% in North America and Europe). PATIENTS: Children 7 days to 17 years old admitted to the ICU with new traumatic brain injury, stroke, cardiac arrest, CNS infection or inflammation, status epilepticus, spinal cord injury, hydrocephalus, or brain mass...
February 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28207508/concussion-mild-traumatic-brain-injury-related-chronic-pain-in-males-and-females-a-diagnostic-modelling-study
#19
Tatyana Mollayeva, J David Cassidy, Colin M Shapiro, Shirin Mollayeva, Angela Colantonio
Pain is an unpleasant, complex, and perceived experience that places a significant burden on patients and clinicians. Its severity may be mediated by emotion, attitude, and environmental influences, and pain may be expressed differently in males and females. Traumatic brain injury (TBI) is frequently associated with chronic pain. This diagnostic modeling study examined sex differences in the construct of chronic pain in patients with delayed recovery from concussion/mild traumatic brain injury (mTBI).Data were collected from standardized questionnaires, neuroimaging records, and comprehensive clinical assessments...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28206801/burden-and-mental-health-among-caregivers-of-veterans-with-traumatic-brain-injury-polytrauma
#20
Joan M Griffin, Minji K Lee, Lauren R Bangerter, Courtney Harold Van Houtven, Greta Friedemann-Sánchez, Sean M Phelan, Kathleen F Carlson, Laura A Meis
Veterans who survive multiple traumatic injuries, including traumatic brain injuries (TBI), must often rely on family caregivers for ongoing care and support with reintegration. Understanding factors associated with caregiving that help or harm caregivers' health is critical for identifying appropriate and effective interventions that support caregiver health and promote the provision of quality care to veterans. This study utilized cross-sectional data from the Family and Caregiver Experiences Study, a survey of 564 caregivers caring for veterans who served after September 11, 2001, survived TBI/polytrauma during service, and received inpatient rehabilitation care in a Veterans Affairs Polytrauma Rehabilitation Center...
2017: American Journal of Orthopsychiatry
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