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https://www.readbyqxmd.com/read/28100103/systematic-review-of-genetic-risk-factors-for-sustaining-a-mild-traumatic-brain-injury
#1
William Panenka, Andrew Gardner, Michael Dretsch, Gogce Crynen, Fiona C Crawford, Grant L Iverson
INTRODUCTION: This systematic review examined the association between genetics and risk for sustaining a traumatic brain injury. METHODS: Articles published in English from 1980 to July 2016 obtained from the online databases PubMed, PsycINFO®, MEDLINE®, EMBASE, and Web of Science. RESULTS: 5,903 articles were identified, 77 underwent full-text screening, and six were included in this review. Five studies examined the risk of concussion associated with Apolipoprotein E alleles (APOE-ε2 ,ε3 ,ε4,), and polymorphisms of the APOE promoter (rs405509), Brain Derived Neurotrophic Factor (BDNF, rs6265), and Dopamine Receptor D2 (DRD2, rs1800497) were each considered in two studies...
January 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28099375/routine-neurosurgical-consultation-is-not-necessary-in-mild-blunt-traumatic-brain-injury
#2
Paul R Lewis, Casey E Dunne, James D Wallace, Jason B Brill, Richard Y Calvo, Jayraan Badiee, Michael J Sise, Vishal Bansal, C Beth Sise, Steven R Shackford
BACKGROUND: The Brain Trauma Foundation guidelines provide indications for neurosurgical intervention in traumatic brain injury (TBI) with moderate or severe intracranial hemorrhage (ICH). In TBI patients with less severe ICH, the utility of neurosurgical consultation remains unclear. We sought to determine if routine neurosurgical consultation is necessary for mild blunt TBI patients with ICH. METHODS: A retrospective cohort study was conducted on 500 consecutive blunt TBI patients aged 15 years or older with Glasgow Coma Scale score ≥13 and ICH on initial head computed tomography (CT) admitted to a Level 1 trauma center over 28 months...
January 17, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28095735/criterion-validity-of-the-d-kefs-color-word-and-verbal-fluency-switching-paradigms-following-traumatic-brain-injury
#3
Luke B Anderson, Rebekah Jaroh, Hillary Smith, Carrie-Ann H Strong, Jacobus Donders
The present study was composed of two parts examining the clinical utility of the Delis-Kaplan Executive Function System (D-KEFS) Verbal Fluency and Color-Word subtests in traumatic brain injury (TBI). In the first part, the performance of 128 outpatients with mild to severe TBI on the Verbal Fluency and Color-Word subtests was examined in relation to two primary indicators of TBI severity: length of coma and the presence of intracranial lesions on neuroimaging through regression analysis. After controlling for education, ethnicity, and complicating premorbid and comorbid factors, length of coma predicted performance on the Color-Word Inhibition/Switching subtest, whereas the presence of diffuse lesions was related to Verbal Fluency Category Switching performance...
January 17, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28095027/severe-and-extensive-traumatic-axonal-injury-following-minor-and-indirect-head-trauma
#4
Sung Ho Jang, Han Do Lee
OBJECTIVES: This study reports on a patient with mild traumatic brain injury (TBI) who showed severe and extensive traumatic axonal injury (TAI) of various neural tracts following minor and indirect head trauma, which was demonstrated by diffusion tensor tractography (DTT). CASE DESCRIPTION: A 26-year-old female patient suffered from indirect head trauma resulting from flexion-hyperextension injury after being hit from behind by a slowly moving car. At the time of head trauma, she felt tingling sensation on her four extremities; however, she did not experience loss of consciousness...
January 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28092022/relevance-of-neuroimaging-for-neurocognitive-and-behavioral-outcome-after-pediatric-traumatic-brain-injury
#5
Marsh Königs, Petra Jw Pouwels, L W Ernest van Heurn, Roel Bakx, R Jeroen Vermeulen, J Carel Goslings, Bwee Tien Poll-The, Marleen van der Wees, Coriene E Catsman-Berrevoets, Jaap Oosterlaan
This study aims to (1) investigate the neuropathology of mild to severe pediatric TBI and (2) elucidate the predictive value of conventional and innovative neuroimaging for functional outcome. Children aged 8-14 years with trauma control (TC) injury (n = 27) were compared to children with mild TBI and risk factors for complicated TBI (mild(RF+), n = 20) or moderate/severe TBI (n = 17) at 2.8 years post-injury. Neuroimaging measures included: acute computed tomography (CT), volumetric analysis on post-acute conventional T1-weighted magnetic resonance imaging (MRI) and post-acute diffusion tensor imaging (DTI, analyzed using tract-based spatial statistics and voxel-wise regression)...
January 14, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28076834/risk-factors-for-posttraumatic-epilepsy-a-systematic-review-and-meta-analysis
#6
REVIEW
Tao Xu, Xinyuan Yu, Shu Ou, Xi Liu, Jinxian Yuan, Hao Huang, Juan Yang, Liang He, Yangmei Chen
OBJECTIVE: A systematic review and meta-analysis was performed to identify risk factors for posttraumatic epilepsy (PTE). METHODS: Two electronic databases (Medline and Embase) were searched to identify studies with a cohort, case-control, or cross-sectional design reporting on epidemiologic evidence regarding risk factors for PTE. RESULTS: Men had a higher risk of developing PTE than women [relative ratio (RR), 1.32; 95% confidence interval (CI), 1...
January 8, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28067551/emotional-recognition-from-dynamic-facial-vocal-and-musical-expressions-following-traumatic-brain-injury
#7
Joanie Drapeau, Nathalie Gosselin, Isabelle Peretz, Michelle McKerral
OBJECTIVES: To assess emotion recognition from dynamic facial, vocal and musical expressions in sub-groups of adults with traumatic brain injuries (TBI) of different severities and identify possible common underlying mechanisms across domains. METHODS: Forty-one adults participated in this study: 10 with moderate-severe TBI, nine with complicated mild TBI, 11 with uncomplicated mild TBI and 11 healthy controls, who were administered experimental (emotional recognition, valence-arousal) and control tasks (emotional and structural discrimination) for each domain...
October 24, 2016: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28060208/branched-chain-amino-acids-bcaas-and-traumatic-brain-injury-a-systematic-review
#8
Bhanu Sharma, David W Lawrence, Michael G Hutchison
BACKGROUND: Despite the prevalence of traumatic brain injury (TBI), pharmaceutical treatment options for brain injury remain limited. However, nutritional intervention (such as with branched chain amino acids [BCAAs]) has emerged as a promising treatment option for TBI. OBJECTIVES: (1) To determine whether TBI patients have lower levels of endogenous BCAAs postinjury; and (2) to evaluate whether post-TBI BCAA supplementation improves clinical outcome. DESIGN: A systematic review of primary research articles examining the relationship between BCAAs and TBI recovery indexed in Ovid/MEDLINE, EMBASE, and PsycINFO...
January 5, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28048972/astaxanthin-improves-cognitive-performance-in-mice-following-mild-traumatic-brain-injury
#9
Xinran Ji, Dayong Peng, Yiling Zhang, Jun Zhang, Yuning Wang, Yuan Gao, Ning Lu, Peifu Tang
[BACKGROUND]: Traumatic brain injury (TBI) produces lasting neurological deficits that plague patients and physicians. To date, there is no effective method to combat the source of this problem. Here, we utilized a mild, closed head TBI model to determine the modulatory effects of a natural dietary compound, astaxanthin (AST). AST is centrally active following oral administration and is neuroprotective in experimental brain ischemia/stroke and subarachnoid hemorrhage (SAH) models. We examined the effects of oral AST on the long-term neurological functional recovery and histological outcomes following moderate TBI in a mice model...
December 31, 2016: Brain Research
https://www.readbyqxmd.com/read/28032118/biomarkers-of-traumatic-brain-injury-temporal-changes-in-body-fluids
#10
REVIEW
Harel Adrian, Kvist Mårten, Nuutinen Salla, Välimaa Lasse
Traumatic brain injuries (TBIs) are caused by a hit to the head or a sudden acceleration/deceleration movement of the head. Mild TBIs (mTBIs) and concussions are difficult to diagnose. Imaging techniques often fail to find alterations in the brain, and computed tomography exposes the patient to radiation. Brain-specific biomolecules that are released upon cellular damage serve as another means of diagnosing TBI and assessing the severity of injury. These biomarkers can be detected from samples of body fluids using laboratory tests...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28032004/orbitofrontal-cortical-thinning-and-aggression-in-mild-traumatic-brain-injury-patients
#11
Daniel J Epstein, Margaret Legarreta, Elliot Bueler, Jace King, Erin McGlade, Deborah Yurgelun-Todd
INTRODUCTION: Although mild traumatic brain injury (mTBI) comprises 80% of all TBI, the morphological examination of the orbitofrontal cortex (OFC) in relation to clinical symptoms such as aggression, anxiety and depression in a strictly mTBI sample has never before been performed. OBJECTIVES: The primary objective of the study was to determine if mTBI patients would show morphological differences in the OFC and if the morphology of this region would relate to clinical symptoms...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28030563/the-involvement-of-pial-microvessels-in-leukocyte-invasion-after-mild-traumatic-brain-injury
#12
Joanna Szmydynger-Chodobska, Rongzi Shan, Nicole Thomasian, Adam Chodobski
The pathophysiological mechanisms underlying mild traumatic brain injury (mTBI) are not well understood, but likely involve neuroinflammation. Here the controlled cortical impact model of mTBI in rats was used to test this hypothesis. Mild TBI caused a rapid (within 6 h post-mTBI) upregulation of synthesis of TNF-α and IL-1β in the cerebral cortex and hippocampus, followed by an increase in production of neutrophil (CXCL1-3) and monocyte (CCL2) chemoattractants. While astrocytes were not a significant source of CXC chemokines, they highly expressed CCL2...
2016: PloS One
https://www.readbyqxmd.com/read/28027193/brain-injury-vision-symptom-survey-bivss-questionnaire
#13
Hannu Laukkanen, Mitchell Scheiman, John R Hayes
PURPOSE: Validation of the Brain Injury Vision Symptom Survey (BIVSS), a self-administered survey for vision symptoms related to traumatic brain injury (TBI). METHODS: A 28-item vision symptom questionnaire was completed by 107 adult subjects (mean age 42.1, 16.2 SD, range 18-75) who self-reported as having sustained mild-to-moderate TBI and two groups of reference adult subjects (first-year optometry students: mean age 23.2, 2.8 SD, range 20-39; and 71 third-year optometry students: mean age 26...
January 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28018502/toe-brachial-index-in-the-second-toe-substitutability-to-toe-brachial-index-in-the-great-toe-and-ankle-brachial-index
#14
Yoshiko Watanabe, Hisao Masaki, Kenji Kojima, Kazuo Tanemoto
Objective: Toe-brachial index (TBI) is usually measured in the great toe (TBI-1). However, this is not always possible. To determine the usefulness of TBI measurement in the second toe (TBI-2), we examined the relation between systolic pressure in the second toe (toe pressure [TP-2]) and that in the great toe (TP-1) and evaluated the association between TBI and ankle-brachial index (ABI). Materials and Methods: We retrospectively analyzed patients who underwent a series of measurements of TBI-2, TBI-1, and ABI using an automatic oscillometric device at Kawasaki Medical School Hospital, Japan in 2012...
2016: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/28007444/effectiveness-of-an-educational-intervention-on-reducing-misconceptions-among-ethnic-minorities-with-complicated-mild-to-severe-traumatic-brain-injury
#15
Monique R Pappadis, Angelle M Sander, Beata Łukaszewska, Margaret A Struchen, Patrick Leung, Dennis W Smith
OBJECTIVE: To evaluate the effectiveness of an educational intervention designed to reduce TBI-related misconceptions among Blacks and Latinos with complicated mild to severe TBI. DESIGN: A randomized controlled trial with masked one-month follow-up. SETTING: Community. PARTICIPANTS: 52 persons with complicated mild to severe TBI (Mean Best day 1 GCS=11.27; SD=3.89) were randomly recruited from 141 eligible participants (Mean age=37...
December 19, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28000134/takotsubo-cardiomyopathy-in-traumatic-brain-injury
#16
Chun Fai Cheah, Mario Kofler, Alois Josef Schiefecker, Ronny Beer, Gert Klug, Bettina Pfausler, Raimund Helbok
BACKGROUND: Takotsubo cardiomyopathy (TC) is a well-known complication after aneurysmal subarachnoid hemorrhage and has been rarely described in patients with traumatic brain injury (TBI). METHODS: Case report and review of literature. RESULTS: Here, we report a 73-year-old woman with mild traumatic brain injury (TBI) presenting in cardiogenic shock. Takotsubo cardiomyopathy (TC) was diagnosed by repeated echocardiography. Cardiovascular support by inotropic agents led to hemodynamic stabilization after initiation of levosimendan...
December 20, 2016: Neurocritical Care
https://www.readbyqxmd.com/read/27997672/caring-for-our-wounded-warriors-a-qualitative-examination-of-health-related-quality-of-life-in-caregivers-of-individuals-with-military-related-traumatic-brain-injury
#17
Noelle E Carlozzi, Tracey A Brickell, Louis M French, Angelle Sander, Anna L Kratz, David S Tulsky, Nancy D Chiaravalloti, Elizabeth A Hahn, Michael Kallen, Amy M Austin, Jennifer A Miner, Rael T Lange
The purpose of this study was to develop a conceptual framework that captures aspects of health-related quality of life (HRQOL) for caregivers of individuals with military-related traumatic brain injury (TBI). We analyzed qualitative data from nine focus groups composed of caregivers of wounded warriors with a medically documented TBI. Focus group participants were recruited through hospital-based and/or community outreach efforts at the Walter Reed National Military Medical Center, the University of Michigan, and Hearts of Valor support groups (Tennessee and Washington)...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27996327/new-vignettes-for-the-experimental-manipulation-of-injury-cause-in-prospective-mild-traumatic-brain-injury-research
#18
Karen A Sullivan, Shannon L Edmed
PURPOSE: This study developed standardized vignettes that depict a mild traumatic brain injury (TBI) from one of several causes and subjected them to formal expert review. METHOD: A base vignette was developed using the World Health Organization operational criteria for mild TBI. Eight specific causes (e.g. sport vs assault) were examined. A convenience sample of mild TBI experts with a discipline background of Neuropsychology from North America, Australasia and Europe (n = 21) used an online survey to evaluate the vignettes and rated the role of cause on outcome...
2016: Brain Injury: [BI]
https://www.readbyqxmd.com/read/27995066/functional-resting-state-fmri-connectivity-correlates-with-serum-levels-of-the-s100b-protein-in-the-acute-phase-of-traumatic-brain-injury
#19
William Hedley Thompson, Eric Peter Thelin, Anders Lilja, Bo-Michael Bellander, Peter Fransson
The S100B protein is an intra-cellular calcium-binding protein that mainly resides in astrocytes in the central nervous system. The serum level of S100B is used as biomarker for the severity of brain damage in traumatic brain injury (TBI) patients. In this study we investigated the relationship between intrinsic resting-state brain connectivity, measured 1-22 days (mean 8 days) after trauma, and serum levels of S100B in a patient cohort with mild-to-severe TBI in need of neuro-intensive care in the acute phase...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27986702/a-systems-science-approach-to-understanding-polytrauma-and-blast-related-injury-bayesian-network-model-of-data-from-a-survey-of-the-florida-national-guard
#20
Peter A Toyinbo, Rodney D Vanderploeg, Heather G Belanger, Andrea M Spehar, William A Lapcevic, Steven G Scott
We sought to further define the epidemiology of the complex, multiple injuries collectively known as polytrauma/blast-related injury (PT/BRI). Using a systems science approach, we performed Bayesian network modeling to find the most accurate representation of the complex system of PT/BRI and identify key variables for understanding the subsequent effects of blast exposure in a sample of Florida National Guard members (1,443 deployed to Operation Enduring Freedom/Operation Iraqi Freedom and 1,655 not deployed) who completed an online survey during the period from 2009 to 2010...
December 16, 2016: American Journal of Epidemiology
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