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https://www.readbyqxmd.com/read/28544811/differential-protein-expression-in-exosomal-samples-taken-from-trauma-patients
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28540289/stem-cell-induced-biobridges-as-possible-tools-to-aid-neuroreconstruction-after-cns-injury
#12
REVIEW
Jea Y Lee, Kaya Xu, Hung Nguyen, Vivian A Guedes, Cesar V Borlongan, Sandra A Acosta
Notch-induced mesenchymal stromal cells (MSCs) mediate a distinct mechanism of repair after brain injury by forming a biobridge that facilitates biodistribution of host cells from a neurogenic niche to the area of injury. We have observed the biobridge in an area between the subventricular zone and the injured cortex using immunohistochemistry and laser capture. Cells in the biobridge express high levels of extracellular matrix metalloproteinases (MMPs), specifically MMP-9, which co-localized with a trail of MSCs graft...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28540042/factors-affecting-the-concussion-knowledge-of-athletes-parents-coaches-and-medical-professionals
#13
Michael D Cusimano, Stanley Zhang, Jane Topolovec-Vranic, Michael G Hutchison, Rowan Jing
OBJECTIVES: To determine the predictors of knowledge and awareness of concussion symptoms and outcomes through a survey of athletes, parents of players and coaches in sports settings in Canada. METHODS: A cross-sectional survey of athletic communities in Canada was conducted. Respondents' concussion knowledge score consists of responses to questions about the symptoms, diagnosis, and treatment of a concussion and the timing of return-to-sport post-concussion. The percentage of correct responses was defined as the "identification rate...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28539826/improving-on-laboratory-traumatic-brain-injury-models-to-achieve-better-results
#14
REVIEW
Mark Nyanzu, Felix Siaw-Debrah, Haoqi Ni, Zhu Xu, Hua Wang, Xiao Lin, Qichuan Zhuge, Lijie Huang
Experimental modeling of traumatic brain injury (TBI) in animals has identified several potential means and interventions that might have beneficial applications for treating traumatic brain injury clinically. Several of these interventions have been applied and tried with humans that are at different phases of testing (completed, prematurely terminated and others in progress). The promising results achieved in the laboratory with animal models have not been replicated with human trails as expected. This review will highlight some insights and significance attained via laboratory animal modeling of TBI as well as factors that require incorporation into the experimental studies that could help in translating results from laboratory to the bedside...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28539077/clinical-utility-of-the-mbias-and-nsi-validity-10-to-detect-symptom-over-reporting-following-mild-tbi-a-multicenter-investigation-with-military-service-members
#15
Patrick Armistead-Jehle, Douglas B Cooper, Chad E Grills, Wesley R Cole, Sara M Lippa, Robert L Stegman, Rael T Lange
Self-report measures are commonly relied upon in military healthcare environments to assess service members following a mild traumatic brain injury (mTBI). However, such instruments are susceptible to over-reporting and rarely include validity scales. This study evaluated the utility of the mild Brain Injury Atypical Symptoms scale (mBIAS) and the Neurobehavioral Symptom Inventory Validity-10 scale to detect symptom over-reporting. A total of 359 service members with a reported history of mTBI were separated into two symptom reporting groups based on MMPI-2-RF validity scales (i...
May 25, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28538641/prehospital-plasma-resuscitation-associated-with-improved-neurologic-outcomes-after-traumatic-brain-injury
#16
Matthew C Hernandez, Cornelius A Thiels, Johnathon M Aho, Elizabeth B Habermann, Martin D Zielinski, James A Stubbs, Donald H Jenkins, Scott P Zietlow
INTRODUCTION: Trauma related hypotension and coagulopathy worsen secondary brain injury in patients with traumatic brain injuries (TBI). Early damage control resuscitation with blood products may mitigate hypotension and coagulopathy. Preliminary data suggest resuscitation with plasma in large animals improve neurologic function after TBI; however, data in humans are lacking. METHODS: We retrospectively identified all poly-trauma patients age >15 years with head injuries undergoing prehospital resuscitation with blood products at a single level I trauma center from 01/2002 to 12/2013...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28538329/perioperative-care-for-pediatric-patients-with-penetrating-brain-injury-a-review
#17
Marco Mikhael, Elizabeth Frost, Maria Cristancho
Traumatic brain injury (TBI) continues to be the leading cause of death and acquired disability in young children and adolescents, due to blunt or penetrating trauma, the latter being less common but more lethal. Penetrating brain injury (PBI) has not been studied extensively, mainly reported as case reports or case series, due to the assumption that both types of brain injury have common pathophysiology and consequently common management. However, recommendations and guidelines for the management of PBI differ from those of blunt TBI in regards to neuroimaging, intracranial pressure (ICP) monitoring, and surgical management including those pertaining to vascular injury...
May 19, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28537530/titrating-the-dose-of-oxygen-after-severe-traumatic-brain-injury-in-the-era-of-precision-medicine
#18
Patrick M Kochanek, Hulya Bayir
n/a.
May 24, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28537343/practice-patterns-for-spasticity-management-with-phenol-neurolysis
#19
Jay Karri, Manuel F Mas, Gerard E Francisco, Sheng Li
OBJECTIVE: To present practice patterns for phenol neurolysis procedures conducted for spasticity management. DESIGN: A retrospective review of 185 persons with spasticity who underwent phenol neurolysis procedures (n = 293) at an academic rehabilitation hospital and clinic. Patient demographics, concomitant spasticity treatments, and procedure relevant information were collected. RESULTS: The cohort included 71.9% males and 61.6% inpatient procedures...
May 24, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28536699/integrated-stress-response-as-a-therapeutic-target-for-cns-injuries
#20
REVIEW
Lorenzo Romero-Ramírez, Manuel Nieto-Sampedro, M Asunción Barreda-Manso
Central nervous system (CNS) injuries, caused by cerebrovascular pathologies or mechanical contusions (e.g., traumatic brain injury, TBI) comprise a diverse group of disorders that share the activation of the integrated stress response (ISR). This pathway is an innate protective mechanism, with encouraging potential as therapeutic target for CNS injury repair. In this review, we will focus on the progress in understanding the role of the ISR and we will discuss the effects of various small molecules that target the ISR on different animal models of CNS injury...
2017: BioMed Research International
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