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injury traumatic brain

J Michael Dickson, Xu Wang, Alexander E St John, Esther B Lim, Susan A Stern, Nathan J White
Introduction: Traumatic brain injury (TBI) and hemorrhagic shock (HS) are the leading causes of traumatic death worldwide and particularly on the battlefield. They are especially challenging when present simultaneously (polytrauma), and clear blood pressure end points during fluid resuscitation are not well described for this situation. The goal of this study is to evaluate for any benefit of increasing blood pressure using a vasopressor on brain blood flow during initial fluid resuscitation in a swine polytrauma model...
March 14, 2018: Military Medicine
Annie Hartmann, Deb Kegelmeyer, Anne Kloos
: Individuals with concomitant spinal cord injury and traumatic brain injury have cognitive deficits that may limit the ability to learn novel motor tasks necessary for functional independence. Errorless learning has been shown to improve cognitive task performance in persons with brain injury but little is known about its usefulness for improving novel motor task learning. CASE DESCRIPTION: A 44-year-old man with traumatic spinal cord and brain injuries from a motor vehicle accident was admitted to an inpatient rehabilitation hospital...
April 2018: Journal of Neurologic Physical Therapy: JNPT
Kate O'Reilly, Kath Peters, Nathan Wilson, Cannas Kwok
BACKGROUND: Although more men than women sustain a traumatic brain injury (TBI), approximately one quarter of people with TBIs are women. The experiences of TBI reported in the literature are informed from the masculine perspective and do not adequately represent women's experiences. Pragmatism provides an overarching methodological framework to explore and critique a broader perspective of health, including psychosocial, cultural, spiritual, political and environmental factors, while attempting to address gender inequity...
March 16, 2018: Nurse Researcher
Yuan-Hao Chen, Tung-Tai Kuo, Eagle Yi-Kung Huang, Barry J Hoffer, Yu-Ching Chou, Yung-Hsiao Chiang, Hsin-I Ma, Jonathan P Miller
Aim: To determine the precise effects of post-traumatic seizure activity on hippocampal processes, we induced seizures at various intervals after traumatic brain injury (TBI) and analyzed plasticity at CA1 Schaffer collateral synapses. Material and Methods: Rats were initially separated into two groups; one exposed solely to fluid percussion injury (FPI) at 2 Psi and the other only receiving kainic acid (KA)-induced seizures without FPI. Electrophysiological (ePhys) studies including paired-pulse stimulation for short-term presynaptic plasticity and long-term potentiation (LTP) of CA1 Schaffer collateral synapses of the hippocampus for post-synaptic function survey were followed at post-event 1 hour, 3 and 7 days respectively...
February 20, 2018: Oncotarget
Qin Rui, Haibo Ni, Fan Gao, Baoqi Dang, Di Li, Rong Gao, Gang Chen
Leucine-rich repeat kinase 2 (LRRK2) is widely expressed in the brain and exerts neurotoxicity in Parkinson's disease. The p38/Drosha signaling activation has been reported to increase cell death under stress. This study was designed to investigate the potential role and mechanism of LRRK2 in secondary brain injury after traumatic brain injury (TBI). A total of 130 male Sprague-Dawley rats were examined using a weight-drop model of TBI. The rats received the specific LRRK2 inhibitor PF-06447475 or LRRK2 pDNA alone or in combination with Drosha pDNA...
2018: Frontiers in Cellular Neuroscience
Alessander Danna-Dos-Santos, Sambit Mohapatra, Maria Santos, Adriana M Degani
Understanding the long-term effects of concussive events remains a challenge for the development of modern medical practices and the prevention of recurrent traumas. In this study, we utilized indices of oculomotor performance and the ability to react to simple environmental stimuli to assess the long-term motor effects of traumatic brain injury in its mildest form (mTBI). We performed analysis of eye movement accuracy, investigated the presence of abnormal eye movements, and quantified time to react to simple environmental stimuli on long-term mTBI survivors...
March 15, 2018: Scientific Reports
Laura B Tucker, Alexander G Velosky, Joseph T McCabe
Acquired traumatic brain injury (TBI) is frequently accompanied by persistent cognitive symptoms, including executive function disruptions and memory deficits. The Morris Water Maze (MWM) is the most widely-employed laboratory behavioral test for assessing cognitive deficits in rodents after experimental TBI. Numerous protocols exist for performing the test, which has shown great robustness in detecting learning and memory deficits in rodents after infliction of TBI. We review applications of the MWM for the study of cognitive deficits following TBI in pre-clinical studies, describing multiple ways in which the test can be employed to examine specific aspects of learning and memory...
March 12, 2018: Neuroscience and Biobehavioral Reviews
Colin M Bosma, Nashwa Mansoor, Chiara S Haller
OBJECTIVE: The present study investigated the relationship between Post-traumatic stress (PTS) symptom severity and Health-related Quality of Life (HRQoL) after severe Traumatic Brain Injury (TBI). DESIGN: Longitudinal prospective multi-center, cohort study on severe TBI in Switzerland (2007-2011). Injury severity was determined using the Abbreviated Injury Score of the Head region (HAIS), following clinical assessment and initial computed tomography (CT). SETTING: Baseline data was gathered at time/location of the accident...
March 12, 2018: Archives of Physical Medicine and Rehabilitation
Yasmine Mosleh, Martin Cajka, Bart Depreitere, Jos Vander Sloten, Jan Ivens
Oblique impact is the most common accident situation that occupants in traffic accidents or athletes in professional sports experience. During oblique impact, the human head is subjected to a combination of linear and rotational accelerations. Rotational movement is known to be responsible for traumatic brain injuries. In this article, composite foam with a column/matrix composite configuration is proposed for head protection applications to replace single-layer uniform foam, to better attenuate rotational movement of the head during oblique impacts...
March 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
Jing Li Huang, Theo A Woehrle, Pat Conway, Catherine A McCarty, Madeline M Eyer, Steven D Eyer
PURPOSE: In 2007, Essentia Health St. Mary's Medical Center (SMMC), a Level II trauma center in northeastern Minnesota, implemented a protocol for patients who presented with blunt head trauma and were receiving warfarin for anticoagulation. The purpose of this study was to determine the incidence and risk factors of early delayed, warfarin-associated intracranial hemorrhage (ICH). METHODS: Adult patients with signs and symptoms of head injury on warfarin who were admitted by protocol to SMMC between March 2007 and June 2015 were included...
March 14, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
Philip W Cameron, Noelle C Soltero, Justin Byers
Mild traumatic brain injuries (mTBIs) are common in contact sports. There is an association between mTBIs and altered motor function. BioSway technology measures individuals' balance using the Balance Error Scoring System (BESS). Prior to incorporating BESS testing in concussion protocol, other variables that influence the BESS test require review. The objective of this study is to determine if game fatigue in hockey players also influences the BESS score. 23 male (21.08 ± 1.09) National Collegiate Athletic Association (NCAA) athletes were tested using the BioSway™ (Biodex, USA)...
2018: International Journal of Exercise Science
Melanie Li, Swetlana Sirko
Building on the seminal work by Geoffrey Harris in the 1970s, the neuroendocrinology field, having undergone spectacular growth, has endeavored to understand the mechanisms of hormonal connectivity between the brain and the rest of the body. Given the fundamental role of the brain in the orchestration of endocrine processes through interactions among neurohormones, it is thus not surprising that the structural and/or functional alterations following traumatic brain injury (TBI) can lead to endocrine changes affecting the whole organism...
March 14, 2018: Journal of Clinical Medicine
Jong Min Kim, Seung Beom Woo, Zeeihn Lee, Sung Jae Heo, Donghwi Park
RATIONALE: Verbal auditory agnosia is the selective inability to recognize verbal sounds. Patients with this disorder lose the ability to understand language, write from dictation, and repeat words with reserved ability to identify nonverbal sounds. However, to the best of our knowledge, there was no report about verbal auditory agnosia in adult patient with traumatic brain injury. PATIENT CONCERNS: He was able to clearly distinguish between language and nonverbal sounds, and he did not have any difficulty in identifying the environmental sounds...
March 2018: Medicine (Baltimore)
Marcel J H Aries, Joseph Donnelly
No abstract text is available yet for this article.
April 2018: Critical Care Medicine
Salah Boussen, David Lagier, Lionel J Velly, Nicolas J Bruder
No abstract text is available yet for this article.
April 2018: Critical Care Medicine
Matthew Eisenberg, Rebekah Mannix
PURPOSE OF REVIEW: Concussion is an increasingly common injury in children. We aim to review the basic epidemiology and management of acute concussion and highlight recent studies that have contributed to our understanding of care for this injury. RECENT FINDINGS: While concussion is considered a 'mild' form of traumatic brain injury, recent evidence suggests that as many as 30% of children are still symptomatic 1 month after injury. Although there is increasing interest in finding objective measures of injury and recovery, emerging imaging and serum biomarkers are not ready for routine clinical use...
March 13, 2018: Current Opinion in Pediatrics
Bridget M Smith, Rachael N Martinez, Charlesnika T Evans, Karen L Saban, Salva Balbale, Eric J Proescher, Kevin Stroupe, Timothy P Hogan
BACKGROUND: Veterans who experience traumatic brain injury (TBI) may have long-term needs placing a premium on well-coordinated care. This study aimed to (1) identify barriers to care coordination for Veterans with TBI; and (2) describe strategies used by VA polytrauma care team members to coordinate care for Veterans with TBI. METHODS: We utilised a mixed method design, including an online survey of VA polytrauma care team members (N = 236) and subsequent semi-structured interviews (N = 25)...
March 14, 2018: Brain Injury: [BI]
Deepa P Rao, Steven McFaull, Wendy Thompson, Gayatri C Jayaraman
INTRODUCTION: With growing awareness about traumatic brain injuries (TBI), there is limited information about population level patterns of TBI care in Canada. METHODS: We examined data from the Canadian Community Health Survey (years 2004, 2009, and 2014) among all respondents ages 12 years and older. TBI management characteristics examined included access to care within 48 hours of injury, point of care, hospital admission, and follow-up. RESULTS: We observed that many Canadians sought care within 48 hours of their injury, with no changes over time...
March 2018: Health Promotion and Chronic Disease Prevention in Canada
Jennifer A Kim, Emily Boyle, Alexander C Wu, Andrew J Cole, Kevin J Staley, Sahar Zafar, Sydney S Cash, M Brandon Westover
We hypothesize that epileptiform abnormalities (EA) in the electroencephalopgram (EEG) during the acute period following traumatic brain injury (TBI) independently predict first-year post-traumatic epilepsy (PTE1 ). We analyzed PTE1 risk factors in two cohorts matched for TBI severity and age (n=50). EA independently predict risk for PTE1 (OR 3.16[0.99 11.68]); subdural hematoma is another independent risk factor (OR 4.13 [1.18 39.33]). Differences in EA rates are apparent within 5 days following TBI. Our results suggest increased EA prevalence identifies patients at increased risk for PTE1 , and that EA acutely post-TBI can identify patients most likely to benefit from anti-epileptogenesis drug trials...
March 14, 2018: Annals of Neurology
Annabel Jain Sorby-Adams, Robert Vink, Renee Jade Turner
Acute central nervous system injury, encompassing traumatic brain injury (TBI) and stroke, accounts for a significant burden of morbidity and mortality worldwide. Studies in animal models have greatly enhanced our understanding of the complex pathophysiology that underlies TBI and stroke and enabled the pre-clinical screening of over 1000 novel therapeutic agents. Despite this, the translation of novel therapeutics from experimental models to clinical therapies has been extremely poor. One potential explanation for this poor clinical translation is the choice of experimental model, given that the majority of pre-clinical TBI and ischemic stroke studies have been conducted in small animals, such as rodents, which have small lissencephalic brains...
March 14, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
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