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Traumatic brain

Valérie Poulin, Deirdre R Dawson, Carolina Bottari, Cynthia Verreault, Samantha Turcotte, Alexandra Jean
PURPOSE: To identify and critically appraise the content, readability, reliability and usability of websites providing information for managing cognitive difficulties in everyday life for the families of adults with moderate to severe traumatic brain injury. METHOD: Systematic searches on the Internet for relevant websites were conducted using five search engines, and through consultation of the lists of resources published on websites of traumatic brain injury organizations...
March 22, 2018: Disability and Rehabilitation
David F Tate, Benjamin S C Wade, Carmen S Velez, Ann Marie Drennon, Jacob D Bolzenius, Douglas B Cooper, Jan E Kennedy, Matthew W Reid, Amy O Bowles, Paul M Thompson, Boris A Gutman, Jeffrey D Lewis, John L Ritter, Gerald E York, Erin D Bigler
In a recent manuscript, our group demonstrated shape differences in the thalamus, nucleus accumbens, and amygdala in a cohort of U.S. Service Members with mild traumatic brain injury (mTBI). Given the significant role these structures play in cognitive function, this study directly examined the relationship between shape metrics and neuropsychological performance. The imaging and neuropsychological data from 135 post-deployed United States Service Members from two groups (mTBI and orthopedic injured) were examined...
March 21, 2018: Brain Imaging and Behavior
Andrew T Hale, Kelly Pekala, Benjamin Theobald, Katherine Kelly, Michael Wolf, John C Wellons, Truc Le, Chevis N Shannon
PURPOSE: In traumatic brain injury (TBI), hyperglycemia and hypothermia are thought to be associated with poor outcomes, but have not been systematically studied in children. Thus, our aim was to evaluate whether serum glucose and temperature at admission, among other clinical variables, were associated with need for post hospital-discharge seizure medication in children diagnosed with TBI. METHODS: We performed a retrospective study of 1814 children who were diagnosed with TBI at a tertiary pediatric hospital...
March 21, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Zhi Gang Lan, Seidu A Richard, Jin Li, Chaohua Yang
Introduction: Nonprojectile penetrating skull base injuries as a result of falls have rarely been confronted in normal neurosurgery although a few nonmissile injuries have been reported. These kinds of injuries represent a life-threatening emergency. Case presentation: We present an unusual case of a 25-year-old male construction worker who suffered an accidental penetrating skull base injury when he fell on a metal rod while he was walking on a 2-meter-high platform...
2018: International Medical Case Reports Journal
Jin Wu, Todd Vogel, Xiang Gao, Bin Lin, Charles Kulwin, Jinhui Chen
No FDA approved pharmacological therapy is available that would reduce cell death following traumatic brain injury (TBI). Dexmedetomidine (Dex) is a highly selective agonist of alpha-2 adrenergic receptors and has demonstrated neuroprotective effects in hippocampal slice cultures undergoing direct impact. However, no one has tested whether Dex, in addition to its sedative action, has neuroprotective effects in an animal model of TBI. Thus, in the present study, we investigated the effects of Dex on an animal model of TBI...
March 21, 2018: Scientific Reports
Kimberley Bernadette Velt, Maryse Cnossen, Pleunie P M Rood, Ewout W Steyerberg, Suzanne Polinder, Hester F Lingsma
BACKGROUND: ED overcrowding is an increasing problem worldwide that may negatively affect quality of care and patient outcomes. We aimed to study ED overcrowding across European centres. METHODS: Questionnaires on structure and process of care, including crowding, were distributed to 68 centres participating in a large European study on traumatic brain injury (Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury). RESULTS: Of the 65 centres included in the analysis, 32 (49%) indicated that overcrowding was a frequent problem and 28 (43%) reported that patients were placed in hallways 'multiple times a day'; 27 (41%) stated that multiple times a day, there was no bed available when a patient needed to be admitted...
March 21, 2018: Emergency Medicine Journal: EMJ
Arianna Rigon, Michelle W Voss, Lyn S Turkstra, Bilge Mutlu, Melissa C Duff
It is well established that many individuals with traumatic brain injury (TBI) are impaired at facial affect recognition, yet little is known about the mechanisms underlying such deficits. In particular, little work has examined whether the breakdown of facial affect recognition abilities occurs at the perceptual level (e.g., recognizing a smile) or at the verbal categorization stage (e.g., assigning the label "happy" to a smiling face). The aim of the current study was to investigate the integrity of these two distinct facial affect recognition subskills in a sample of 38 individuals with moderate-to-severe TBI and 24 demographically matched healthy individuals...
March 22, 2018: Journal of Clinical and Experimental Neuropsychology
Francesca Pischiutta, Eliana Sammali, Ornella Parolini, Hilary V O Carswell, Elisa R Zanier
Acute brain injury resulting from ischemic/hemorrhagic or traumatic damage is one of the leading causes of mortality and disability worldwide and is a significant burden to society. Neuroprotective options to counteract brain damage are very limited in stroke and traumatic brain injury (TBI). Given the multifaceted nature of acute brain injury and damage progression, several therapeutic targets may need to be addressed simultaneously to interfere with the evolution of the injury and improve the patient's outcome...
January 2018: Cell Transplantation
Hollie Ringrose, Mary Brown, Krystyna Walton, Manoj Sivan
BACKGROUND: Rehabilitation following severe Traumatic Brain Injury (TBI) often involves the use of temporary tracheostomies. Tracheostomy weaning is influenced by physiological parameters, which are abnormal in the concomitant complication of Paroxysmal Sympathetic Hyperactivity (PSH). OBJECTIVE: To investigate the association between PSH and tracheostomy weaning in severe TBI. METHODS: This was a retrospective cohort study of consecutive patients with TBI and tracheostomy admitted to a Hyper-Acute Neurorehabilitation Unit over a 34-month period...
2018: NeuroRehabilitation
A Thibaut, S Wannez, T Deltombe, G Martens, S Laureys, C Chatelle
BACKGROUND: Spasticity is a frequent complication after severe brain injury, which may prevent the rehabilitation process and worsen the patients' quality of life. OBJECTIVES: In this study, we investigated the correlation between spasticity, muscle contracture, and the frequency of physical therapy (PT) in subacute and chronic patients with disorders of consciousness (DOC). METHODS: 109 patients with subacute and chronic disorders of consciousness (Vegetative state/Unresponsive wakefulness syndrome - VS/UWS; minimally conscious state - MCS and patients who emerged from MCS - EMCS) were included in the study (39 female; mean age: 40±13...
2018: NeuroRehabilitation
Hatim A AlSulaim, R Sterling Haring, Anthony O Asemota, Blair J Smart, Joseph K Canner, Aslam Ejaz, David T Efron, Catherine G Velopulos, Elliott R Haut, Eric B Schneider
OBJECTIVE: To assess the relationship between The International Classification of Diseases, Ninth Revision, Clinical Modification-derived conscious status and mortality rates in trauma centres (TC) vs. non-trauma centres (NTC). METHODS: Patients in the 2006-2011 Nationwide Emergency Department Sample meeting, The Centers for Disease Control and Prevention criteria for traumatic brain injury (TBI), with head/neck Abbreviated Injury Scale (AIS) scores ≥3 were included...
March 21, 2018: Brain Injury: [BI]
Brandon P Vasquez, Jennifer C Tomaszczyk, Bhanu Sharma, Brenda Colella, Robin E A Green
BACKGROUND: Executive control deficits are deleterious and enduring consequences of moderate-severe traumatic brain injury (TBI) that disrupt everyday functioning. Clinically, such impairments can manifest as behavioural inconsistency, measurable experimentally by the degree of variability across trials of a reaction time (RT) task (also known as intraindividual variability [IIV]). Growing research on cognition after TBI points to cognitive deterioration in the chronic stages postinjury...
March 1, 2018: Neurorehabilitation and Neural Repair
E David Bell, Matthew Converse, Haojie Mao, Ginu Unnikrishnan, Jaques Reifman, Kenneth L Monson
Traumatic brain injury (TBI), resulting from either impact- or non-impact blast-related mechanisms, is a devastating cause of death and disability. The cerebral blood vessels, which provide critical support for brain tissue in both health and disease, are commonly injured in TBI. However, little is known about how vessels respond to traumatic loading, particularly at rates relevant to blast. To better understand vessel responses to trauma, the objective of this project was to characterize the high-rate response of passive cerebral arteries...
March 19, 2018: Journal of Biomechanical Engineering
Lucy P Evans, Elizabeth A Newell, MaryAnn Mahajan, Stephen H Tsang, Polly J Ferguson, Jolonda Mahoney, Christopher D Hue, Edward W Vogel, Barclay Morrison, Ottavio Arancio, Russell Nichols, Alexander G Bassuk, Vinit B Mahajan
Objective: Limited attention has been given to ocular injuries associated with traumatic brain injury (TBI). The retina is an extension of the central nervous system and evaluation of ocular damage may offer a less-invasive approach to gauge TBI severity and response to treatment. We aim to characterize acute changes in the mouse eye after exposure to two different models of TBI to assess the utility of eye damage as a surrogate to brain injury. Methods: A model of blast TBI (bTBI) using a shock tube was compared to a lateral fluid percussion injury model (LFPI) using fluid pressure applied directly to the brain...
March 2018: Annals of Clinical and Translational Neurology
Nathan W Churchill, Michael G Hutchison, Simon J Graham, Tom A Schweizer
Concussion is associated with significant adverse effects within the first week post-injury, including physical complaints and altered cognition, sleep and mood. It is currently unknown whether these subjective disturbances have reliable functional brain correlates. Resting-state functional magnetic resonance imaging (rs-fMRI) has been used to measure functional connectivity of individuals after traumatic brain injury, but less is known about the relationship between functional connectivity and symptom assessments after a sport concussion...
2018: NeuroImage: Clinical
Lauren R Klein, Marc L Martel, Brian E Driver, Mackenzie Reing, Jon B Cole
Introduction: A subset of frequent users of emergency services are those who use the emergency department (ED) for acute alcohol intoxication. This population and their ED encounters have not been previously described. Methods: This was a retrospective, observational, cohort study of patients presenting to the ED for acute alcohol intoxication between 2012 and 2016. We collected all data from the electronic medical record. Frequent users for alcohol intoxication were defined as those with greater than 20 visits for acute intoxication without additional medical chief complaints in the previous 12 months...
March 2018: Western Journal of Emergency Medicine
Karem H Alzoubi, Omar F Khabour, Mohammad Ahmad
Posttraumatic stress disorder (PTSD) is a disabling prevalent and difficult-to-treat psychiatric disorder, which can develop after the exposure to severe traumatic events such as those occurring during wars and natural disasters. Pentoxifylline (PTX) is a potent antioxidant, which has an important role in prevention of cognitive dysfunctions. In the present study, the effect of PTX on memory impairment induced by PTSD was investigated using the rat animal model. PTSD-like behavior was induced in animals using a single-prolonged stress (SPS) rat model of PTSD (2 h restrain, 20 min forced swimming, 15 min rest, 1-2 min diethyl ether exposure)...
March 17, 2018: Brain Research Bulletin
Nikolaos P Daskalakis, Allison C Provost, Richard G Hunter, Guia Guffanti
Posttraumatic stress disorder (PTSD) is a pathologic response to trauma that impacts ∼8% of the population and is highly comorbid with other disorders, such as traumatic brain injury. PTSD affects multiple biological systems throughout the body, including the hypothalamic-pituitary-adrenal axis, cortical function, and the immune system, and while the study of the biological underpinnings of PTSD and related disorders are numerous, the roles of noncoding RNAs (ncRNAs) are just emerging. Moreover, deep sequencing has revealed that ncRNAs represent most of the transcribed mammalian genome...
January 31, 2018: Biological Psychiatry
Casey J Allen, Daniel J Baldor, Mena M Hanna, Nicholas Namias, M Ross Bullock, Jonathan R Jagid, Kenneth G Proctor
After traumatic brain injury, decompressive craniectomy (DC) is a second-tier, late therapy for refractory intracranial hypertension. We hypothesize that early DC, based on CT evidence of intracranial hypertension, improves intracranial pressure (ICP) and cerebral perfusion pressure (CPP). From September 2008 to January 2015, 286 traumatic brain injury patients requiring invasive ICP monitoring at a single Level I trauma center were reviewed. DC and non-DC patients were propensity score matched 1:1, based on demographics, hemodynamics, injury severity score (ISS), Glasgow Coma Scale (GCS), transfusion requirements, and need for vasopressor therapy...
March 1, 2018: American Surgeon
Caitlin R Woolcott, Stephanie Torrey, Patricia V Turner, Lilia Serpa, Karen Schwean-Lardner, Tina M Widowski
On-farm euthanasia is a critical welfare issue in the poultry industry and can be particularly difficult to perform on mature turkeys due to their size. We evaluated the efficacy of two commercially available non-penetrating captive bolt devices, the Zephyr-EXL and the Turkey Euthanasia Device (TED), on 253 turkeys at three stages of production: 4-5, 10, and 15-20 weeks of age. Effectiveness of each device was measured using both ante- and post-mortem measures. Application of the Zephyr-EXL resulted in a greater success rate (immediate abolishment of brainstem reflexes) compared to the TED (97...
March 20, 2018: Animals: An Open Access Journal From MDPI
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