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Traumatic Brain Injuries

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https://www.readbyqxmd.com/read/28550691/gender-sex-and-traumatic-brain-injury-transformative-science-to-optimize-patient-outcomes
#1
Tatyana Mollayeva, Angela Colantonio
This paper presents highlights from a program of research addressing sex and gender among persons with traumatic brain injury (TBI) relevant to the Canadian context. Epidemiological trends based on health administrative data are examined, and their implications for policy and practice are considered. Further, the authors discuss the need to proactively address TBI in marginalized populations and in the workplace, two areas that have not received widespread attention.
2017: Healthcare Quarterly
https://www.readbyqxmd.com/read/28549992/thyroid-hormone-treatment-activates-protective-pathways-in-both-in-vivo-and-in-vitro-models-of-neuronal-injury
#2
Jianrong Li, Ines Donangelo, Kiyomi Abe, Oscar Scremin, Sujie Ke, Feng Li, Anna Milanesi, Yan-Yun Liu, Gregory A Brent
Thyroid hormone plays an important role in brain development and adult brain function, and may influence neuronal recovery after Traumatic Brain Injury (TBI). We utilized both animal and cell culture models to determine the effects of thyroid hormone treatment, post TBI or during hypoxia, on genes important for neuronal survival and neurogenesis. We show that TBI in rats is associated with a reduction in serum thyroxine (T4) and triiodothyronine (T3). A single dose of levothyroxine (T4), one hour after injury, increased serum T4 and normalized serum T3 levels...
May 23, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28549769/variations-in-the-cerebrospinal-fluid-proteome-following-traumatic-brain-injury-and-subarachnoid-hemorrhage
#3
David E Connor, Ganta V Chaitanya, Prashant Chittiboina, Paul McCarthy, L Keith Scott, Lisa Schrott, Alireza Minagar, Anil Nanda, J Steven Alexander
BACKGROUND: Proteomic analysis of cerebrospinal fluid (CSF) has shown great promise in identifying potential markers of injury in neurodegenerative diseases [1-13]. Here we compared CSF proteomes in healthy individuals, with patients diagnosed with traumatic brain injury (TBI) and subarachnoid hemorrhage (SAH) in order to characterize molecular biomarkers which might identify these different clinical states and describe different molecular mechanisms active in each disease state. METHODS: Patients presenting to the Neurosurgery service at the Louisiana State University Hospital-Shreveport with an admitting diagnosis of TBI or SAH were prospectively enrolled...
May 13, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28549643/hypertonic-saline-for-raised-intracranial-pressure-following-aneurysmal-subarachnoid-hemorrhage-a-systematic-review
#4
REVIEW
Christopher R Pasarikovski, Naif M Alotaibi, Fawaz Al-Mufti, R Loch Macdonald
BACKGROUND: The use of hyperosmolar agents such as mannitol or hypertonic saline (HTS) to control high intracranial pressure (ICP) in traumatic brain injury patients has been well studied. However, the role of HTS in the management of aneurysmal subarachnoid hemorrhage (aSAH)-associated raised ICP is still unclear. METHODS: We performed a systematic review in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The primary outcome of this review is to quantify ICP reduction produced by HTS and its effect on clinical outcomes defined by any standardized functional score...
May 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28548592/intracranial-pressure-monitoring-in-severe-blunt-head-trauma-does-the-type-of-monitoring-device-matter
#5
Alberto Aiolfi, Desmond Khor, Jayun Cho, Elizabeth Benjamin, Kenji Inaba, Demetrios Demetriades
OBJECTIVE Intracranial pressure (ICP) monitoring has become the standard of care in the management of severe head trauma. Intraventricular devices (IVDs) and intraparenchymal devices (IPDs) are the 2 most commonly used techniques for ICP monitoring. Despite the widespread use of these devices, very few studies have investigated the effect of device type on outcomes. The purpose of the present study was to compare outcomes between 2 types of ICP monitoring devices in patients with isolated severe blunt head trauma...
May 26, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28547321/relationship-between-brain-pulsatility-and-cerebral-perfusion-pressure-replicated-validation-using-different-drivers-of-cpp-change
#6
Leanne A Calviello, Nicolás de Riva, Joseph Donnelly, Marek Czosnyka, Peter Smielewski, David K Menon, Frederick A Zeiler
BACKGROUND: Determination of relationships between transcranial Doppler (TCD)-based spectral pulsatility index (sPI) and pulse amplitude (AMP) of intracranial pressure (ICP) in 2 groups of severe traumatic brain injury (TBI) patients (a) displaying plateau waves and (b) with unstable mean arterial pressure (MAP). METHODS: We retrospectively reviewed patients with severe TBI and continuous TCD monitoring displaying either plateau waves or unstable MAP from 1992 to 1998...
May 25, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28547319/systemic-inflammatory-response-syndrome-sirs-score-independently-predicts-poor-outcome-in-isolated-traumatic-brain-injury
#7
Tomas Jacome, Danielle Tatum
INTRODUCTION: Systemic inflammatory response syndrome (SIRS) is frequently observed after various types of acute cerebral injury and has been linked to clinical deterioration in non-traumatic brain injury (TBI). SIRS scores have also been shown to be predictive of length of stay and mortality in trauma patients. We aimed to determine the prognostic utility of SIRS present at admission in trauma patients with isolated TBI. METHODS: This was a 5-year retrospective cohort study of adults (≥18 years) with isolated TBI admitted to a Level II trauma center...
May 25, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28545954/prognostic-role-of-copeptin-after-traumatic-brain-injury-a-systematic-review-and-meta-analysis-of-observational-studies
#8
Kyu-Sun Choi, Youngsuk Cho, Bo-Hyoung Jang, Wonhee Kim, Chiwon Ahn, Tae Ho Lim, Hyoung-Joong Yi
PURPOSE: Copeptin, the C-terminal portion of provasopressin, has emerged as a novel prognostic marker in neurocritical care, such as in traumatic brain injury (TBI). The aim of this study was to quantitatively assess the prognostic significance of initial plasma copeptin levels in the neurological outcome and mortality after traumatic brain injury. MATERIALS AND METHODS: Six relevant studies with data from 552 patients were included in this meta-analysis. RESULTS: The plasma copeptin levels were found to be significantly higher in patients who died than in the survivors (standardized mean difference [SMD], 1...
April 19, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28545794/the-natural-history-of-sleep-disturbance-among-oef-oif-veterans-with-tbi-and-ptsd-and-the-role-of-proxy-variables-in-its-measurement
#9
Paul R King, Kerry T Donnelly, Gary Warner, Michael Wade, Wilfred R Pigeon
OBJECTIVE: Sleep disturbance crosscuts post-traumatic stress disorder (PTSD) and traumatic brain injury (TBI). Though previous cross-sectional findings demonstrate a compounding effect of PTSD and TBI comorbidity, relatively little is known about the longitudinal trajectory of sleep-related complaints in veterans with TBI history and current PTSD symptoms. In this study, we explored patterns and predictors of sleep complaints in a sample of combat veterans with and without TBI and PTSD...
May 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28544811/differential-protein-expression-in-exosomal-samples-taken-from-trauma-patients
#10
Ron B Moyron, Amber Gonda, Matthew J Selleck, Xian Luo-Owen, Richard D Catalano, Thomas O'Callahan, Carlos Garberoglio, David Turay, Nathan R Wall
Traumatic Brain Injuries (TBI) are among the most misdiagnosed and underreported types of head trauma. The potential long-term impact of undiagnosed or incorrectly identified concussions and other head injuries are potentially devastating, as evidenced by the increasing societal burden exhibited by soldiers returning from combat and athletes in contact sports. Concussions and TBI are notoriously difficult to correctly diagnose and prognosis for these injuries is poorly understood. In order to increase the likelihood of successful diagnosis, treatment, and prediction of outcomes, a definitive differential diagnosis will need to be established...
May 25, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28544024/contribution-of-perceived-cognitive-functioning-to-quality-of-life-in-service-members-and-veterans-with-posttraumatic-stress-disorder
#11
Noah D Silverberg, Magdalena Wojtowicz, Eric Bui, Rebecca Wershba, Ross Zafonte, Lauren M Laifer, Naomi M Simon, Grant L Iverson
Perceived cognitive impairment is a core clinical feature of posttraumatic stress disorder (PTSD) and may be an important determinant of quality of life (QOL) in those who suffer from this disorder. Using a clinical data repository, we evaluated this hypothesis in a cross-sectional sample of U.S. military service members and veterans who served after September 11, 2001, and were seeking mental health treatment at a tertiary outpatient clinic. A consecutive series of 117 patients with a clinical diagnosis of PTSD completed a battery of questionnaires at intake, including the PTSD Checklist (Weathers, Litz, Herman, Huska, & Keane, 1993), a 4-item Cognitive Symptom subscale of the Neurobehavioral Symptom Inventory (Cicerone & Kalmar, 1995), the Depression Anxiety Stress Scale-21 (Lovibond & Lovibond, 1995), and the Quality of Life Enjoyment and Satisfaction Questionnaire (Endicott, Nee, Harrison, & Blumenthal, 1993)...
May 19, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28543843/white-matter-biomarkers-from-fast-protocols-using-axially-symmetric-diffusion-kurtosis-imaging
#12
Brian Hansen, Ahmad R Khan, Noam Shemesh, Torben E Lund, Ryan Sangill, Simon F Eskildsen, Leif Østergaard, Sune N Jespersen
White matter tract integrity (WMTI) can characterize brain microstructure in areas with highly aligned fiber bundles. Several WMTI biomarkers have now been validated against microscopy and provided promising results in studies of brain development and aging, as well as in a number of brain disorders. Currently, WMTI is mostly used in dedicated animal studies and clinical studies of slowly progressing diseases, and has not yet emerged as a routine clinical tool. To this end, a less data intensive experimental method would be beneficial by enabling high resolution validation studies, and ease clinical applications by speeding up data acquisition compared with typical diffusion kurtosis imaging (DKI) protocols utilized as part of WMTI imaging...
May 22, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28543689/mild-cognitive-impairment-and-structural-brain-abnormalities-in-a-sexagenarian-with-a-history-of-childhood-traumatic-brain-injury
#13
John Darrell Van Horn, Andrei Irimia, Carinna M Torgerson, Avnish Bhattrai, Zachary Jacokes, Paul M Vespa
In this report, we present a case study involving an older, female patient with a history of pediatric traumatic brain injury (TBI). Magnetic resonance imaging and diffusion tensor imaging volumes were acquired from the volunteer in question, her brain volumetrics and morphometrics were extracted, and these were then systematically compared against corresponding metrics obtained from a large sample of older healthy control (HC) subjects as well as from subjects in various stages of mild cognitive impairment (MCI) and Alzheimer disease (AD)...
May 20, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28543565/lactate-supplementation-in-severe-traumatic-brain-injured-adults-by-primed-constant-infusion-of-sodium-l-lactate
#14
Stephanie M Wolahan, Howard C Mao, Courtney Real, Paul M Vespa, Thomas C Glenn
Carbohydrate fuel augmentation following traumatic brain injury may be a viable treatment to improve recovery when cerebral oxidative metabolism of glucose is depressed. We performed a primed constant sodium L-lactate infusion in 11 moderate to severely brain injured adults. Blood was collected before and periodically during the infusion study. We quantified global cerebral uptake of glucose and lactate and other systemic metabolites associated with energy metabolism. Our hypothesis was that cerebral lactate uptake, as measured by the arteriovenous difference of lactate (AVDlac), would increase in severely injured TBI patients in the neurocritical care unit...
May 20, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28543180/traf6-participates-in-early-brain-injury-after-subarachnoid-hemorrhage-in-rats-through-inhibiting-autophagy-and-promoting-oxidative-stress
#15
Yang Dou, Haitao Shen, Dongxia Feng, Haiying Li, Xiaodi Tian, Jian Zhang, Zhong Wang, Gang Chen
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a member of the TRAF family and an important multifunctional intracellular adaptin of the tumor necrosis factor (TNF) superfamily and toll/IL-1 receptor (TIR) superfamily. TRAF6 has been studied in several central nervous system (CNS) diseases, including ischemic stroke, traumatic brain injury and neurodegenerative diseases, but its role in subarachnoid hemorrhage (SAH) has not been fully illustrated. This study was designed to explore changes of expression level and potential roles and mechanisms of TRAF6 in early brain injury (EBI) after SAH by using a Sprague-Dawley rat model of SAH induced in 0...
May 24, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28542502/in-vivo-transduction-of-neurons-with-tat-uch-l1-protects-brain-against-controlled-cortical-impact-injury
#16
Hao Liu, Marie E Rose, Xiecheng Ma, Sherman Culver, C Edward Dixon, Steven H Graham
Many mechanisms or pathways are involved in secondary post-traumatic brain injury, such as the ubiquitin-proteasome pathway (UPP), axonal degeneration and neuronal cell apoptosis. UCH-L1 is a protein that is expressed in high levels in neurons and may have important roles in the UPP, autophagy and axonal integrity. The current study aims to evaluate the role of UCH-L1 in post-traumatic brain injury (TBI) and its potential therapeutic effects. A novel protein was constructed that fused the protein transduction domain (PTD) of trans-activating transduction (TAT) protein with UCH-L1 (TAT-UCH-L1) in order to promote neuronal transduction...
2017: PloS One
https://www.readbyqxmd.com/read/28542295/therapeutic-benefits-of-phosphodiesterase-4b-inhibition-after-traumatic-brain-injury
#17
Nicole M Wilson, Mark E Gurney, W Dalton Dietrich, Coleen M Atkins
Traumatic brain injury (TBI) initiates a deleterious inflammatory response that exacerbates pathology and worsens outcome. This inflammatory response is partially mediated by a reduction in cAMP and a concomitant upregulation of cAMP-hydrolyzing phosphodiesterases (PDEs) acutely after TBI. The PDE4B subfamily, specifically PDE4B2, has been found to regulate cAMP in inflammatory cells, such as neutrophils, macrophages and microglia. To determine if PDE4B regulates inflammation and subsequent pathology after TBI, adult male Sprague Dawley rats received sham surgery or moderate parasagittal fluid-percussion brain injury (2 ± 0...
2017: PloS One
https://www.readbyqxmd.com/read/28542226/german-validation-of-quality-of-life-after-brain-injury-qolibri-assessment-and-associated-factors
#18
Nicole von Steinbüchel, Ruben G L Real, Nadine Sasse, Lindsay Wilson, Christiane Otto, Ryan Mullins, Robert Behr, Wolfgang Deinsberger, Ramon Martinez-Olivera, Wolfgang Puschendorf, Werner Petereit, Veit Rohde, Holger Schmidt, Stephan Sehmisch, Klaus Michael Stürmer, Klaus von Wild, Henning Gibbons
The consequences of traumatic brain injury (TBI) for health-related quality of life (HRQoL) are still poorly understood, and no TBI-specific instrument has hitherto been available. This paper describes in detail the psychometrics and validity of the German version of an internationally developed, self-rated HRQoL tool after TBI-the QOLIBRI (Quality of Life after Brain Injury). Factors associated with HRQoL, such as the impact of cognitive status and awareness, are specifically reported. One-hundred seventy-two participants after TBI were recruited from the records of acute clinics, most of whom having a Glasgow Coma Scale (GCS) 24-hour worst score and a Glasgow Outcome Scale (GOSE) score...
2017: PloS One
https://www.readbyqxmd.com/read/28541863/danger-on-the-farm-a-comparison-of-agricultural-and-animal-related-injuries
#19
Jessica L Weaver, Charles W Kimbrough, Kimberly Broughton-Miller, Michelle Frisbie, Jodi Wojcik, Karina Pentecost, Matthew C Bozeman, Nicholas A Nash, Brian G Harbrecht
Animal-related injuries are common in rural areas. Agricultural workers can suffer severe injuries involving farm machinery or falls. The spectrum of injuries related to rural activities is poorly defined and characterizing these injuries will improve injury prevention efforts. Records for injured patients admitted between 2010 and 2013 were retrospectively reviewed. Patients with a mechanism of injury involving a large animal or with the injury site listed as "farm" were included. Patients with agricultural injuries (n = 85) were older with more multisystem injuries than patients injured by animals (n = 132) but the Injury Severity Score was equivalent...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28541083/the-family-environment-predicts-long-term-academic-achievement-and-classroom-behavior-following-traumatic-brain-injury-in-early-childhood
#20
Chelsea M Durber, Keith Owen Yeates, H Gerry Taylor, Nicolay Chertkoff Walz, Terry Stancin, Shari L Wade
OBJECTIVE: This study examined how the family environment predicts long-term academic and behavioral functioning in school following traumatic brain injury (TBI) in early childhood. METHOD: Using a concurrent cohort, prospective design, 15 children with severe TBI, 39 with moderate TBI, and 70 with orthopedic injury (OI) who were injured when they were 3-7 years of age were compared on tests of academic achievement and parent and teacher ratings of school performance and behavior on average 6...
May 25, 2017: Neuropsychology
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