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Traumatic Brain Injuries

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https://www.readbyqxmd.com/read/28350782/acknowledging-the-risk-for-traumatic-brain-injury-in-women-veterans
#1
Timothy Amoroso, Katherine M Iverson
Since the Iraq and Afghanistan wars began, an unprecedented number of women have been engaging in combat operations. Likewise, the number of women using Department of Veterans Affairs (VA) services has doubled since 2001. Military service, and deployment to combat in particular, poses certain risks for traumatic brain injury (TBI)-for all service members. However, women may have additional military and nondeployment risk factors such as intimate partner violence (IPV). We briefly review the definition and classification issues related to TBI, as well as common acute and chronic health symptoms after TBI...
April 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28346104/bioengineered-3d-glial-cell-culture-systems-and-applications-for-neurodegeneration-and-neuroinflammation
#2
P Marc D Watson, Edel Kavanagh, Gary Allenby, Matthew Vassey
Neurodegeneration and neuroinflammation are key features in a range of chronic central nervous system (CNS) diseases such as Alzheimer's and Parkinson's disease, as well as acute conditions like stroke and traumatic brain injury, for which there remains significant unmet clinical need. It is now well recognized that current cell culture methodologies are limited in their ability to recapitulate the cellular environment that is present in vivo, and there is a growing body of evidence to show that three-dimensional (3D) culture systems represent a more physiologically accurate model than traditional two-dimensional (2D) cultures...
February 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28343797/early-brain-edema-is-a-predictor-of-in-hospital-mortality-in-traumatic-brain-injury
#3
Brian Tucker, Jill Aston, Megan Dines, Elena Caraman, Marianne Yacyshyn, Mary McCarthy, James E Olson
BACKGROUND: Identifying patients who may progress to a poor clinical outcome will encourage earlier appropriate therapeutic interventions. Brain edema may contribute to secondary injury in traumatic brain injury (TBI) and thus, may be a useful prognostic indicator. OBJECTIVE: We determined whether the presence of brain edema on the initial computed tomography (CT) scan of TBI patients would predict poor in-hospital outcome. METHODS: We performed a retrospective review of all trauma patients with nonpenetrating head trauma at a Level I Trauma Center...
March 23, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28343463/prospective-head-to-head-study-of-three-computerized-neurocognitive-assessment-tools-part-2-utility-for-assessment-of-mild-traumatic-brain-injury-in-emergency-department-patients
#4
Lindsay D Nelson, Robyn E Furger, Peter Gikas, E Brooke Lerner, William B Barr, Thomas A Hammeke, Christopher Randolph, Kevin Guskiewicz, Michael A McCrea
OBJECTIVES: The aim of this study was to evaluate the reliability and validity of three computerized neurocognitive assessment tools (CNTs; i.e., ANAM, DANA, and ImPACT) for assessing mild traumatic brain injury (mTBI) in patients recruited through a level I trauma center emergency department (ED). METHODS: mTBI (n=94) and matched trauma control (n=80) subjects recruited from a level I trauma center emergency department completed symptom and neurocognitive assessments within 72 hr of injury and at 15 and 45 days post-injury...
March 27, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28343456/implementation-of-neurocritical-care-is-associated-with-improved-outcomes-in-traumatic-brain-injury
#5
Mypinder S Sekhon, Peter Gooderham, Brian Toyota, Navid Kherzi, Vivien Hu, Vinay K Dhingra, Morad S Hameed, Dean R Chittock, Donald E Griesdale
Background Traditionally, the delivery of dedicated neurocritical care (NCC) occurs in distinct NCC units and is associated with improved outcomes. Institution-specific logistical challenges pose barriers to the development of distinct NCC units; therefore, we developed a consultancy NCC service coupled with the implementation of invasive multimodal neuromonitoring, within a medical-surgical intensive care unit. Our objective was to evaluate the effect of a consultancy NCC program on neurologic outcomes in severe traumatic brain injury patients...
March 27, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28343409/development-of-a-prediction-model-for-post-concussive-symptoms-following-mild-traumatic-brain-injury-a-track-tbi-pilot-study
#6
Maryse C Cnossen, Ethan A Winkler, John K Yue, David O Okonkwo, Alex Valadka, Ewout W Steyerberg, Hester Lingsma, Geoffrey T Manley
Post-concussive symptoms occur frequently after mild traumatic brain injury (mTBI) and may be categorized as cognitive, somatic, or emotional. We aimed to: 1) assess whether patient demographics and clinical variables predict development of each of these three symptom categories, and 2) develop a prediction model for six-month post-concussive symptoms. MTBI patients (Glasgow Coma Scale score 13-15) from the prospective multicenter Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI) Pilot study (2010-2012) who completed the Rivermead Post-Concussion Symptoms Questionnaire (RPQ) at six-months post-injury were included...
March 27, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28343407/what-are-the-complications-and-emerging-strategies-for-preventing-depression-following-traumatic-brain-injury
#7
Melissa Jones, Laura Acion, Ricardo E Jorge
Depression is a common and disabling complication of traumatic brain injury (TBI). The high rates of post-TBI depression (PTBID) make this condition an important candidate for selective preventive interventions. Areas covered: The authors recently reported on the efficacy of sertraline, a selective serotonin reuptake inhibitor (SSRI), for the prevention of new cases of depression in the first six months after TBI. The authors review this and other studies on preventive strategies in PTBID as ascertained from a PubMed and citation search...
March 27, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28343321/a-risk-score-based-on-admission-characteristics-to-predict-progressive-hemorrhagic-injury-from-traumatic-brain-injury-in-children
#8
Guo-Wen Hu, Hai-Li Lang, Hua Guo, Lei Wu, Pei Zhang, Wei Kuang, Xin-Gen Zhu
Traumatic brain injury (TBI) is one of the leading causes of death and disability in children, and progressive hemorrhagic injury (PHI) post TBI is associated with poor outcomes. Therefore, the objective of this study was to develop and validate a prognostic model that uses the information available at admission to determine the likelihood of PHI occurrence after TBI in children. The identified demographic data, cause of injury, clinical predictors on admission, computed tomography scan characteristics, and routine laboratory parameters were collected and used to develop a PHI prognostic model with logistic regression analysis, and the prediction model was validated in 68 children...
March 25, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28342966/time-courses-of-post-injury-mitochondrial-oxidative-damage-and-respiratory-dysfunction-and-neuronal-cytoskeletal-degradation-in-a-rat-model-of-focal-traumatic-brain-injury
#9
Rachel L Hill, Indrapal N Singh, Juan A Wang, Edward D Hall
Traumatic brain injury (TBI) results in rapid reactive oxygen species (ROS) production and oxidative damage to essential brain cellular components leading to neuronal dysfunction and cell death. It is increasingly appreciated that a major player in TBI-induced oxidative damage is the reactive nitrogen species (RNS) peroxynitrite (PN) which is produced in large part in injured brain mitochondria. Once formed, PN decomposes into highly reactive free radicals that trigger membrane lipid peroxidation (LP) of polyunsaturated fatty acids (e...
March 23, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28342925/epidemiology-and-characteristics-of-neurosurgical-conditions-at-mbarara-regional-referral-hospital
#10
Jihad Abdelgadir, Emily R Smith, Maria Punchak, Joao Ricardo Vissoci, Catherine Staton, Alex Muhindo, David Kitya, Lawrence P Park, Michael M Haglund
BACKGROUND: The unmet surgical need, specifically neurosurgical need, in Uganda is significant, yet only two public hospitals currently perform neurosurgery in the country. This study examines the epidemiology and outcomes of neurosurgical conditions presenting to one of 12 regional referral hospitals in Uganda, in an effort to understand the neurosurgical needs of this population. METHODS: The study was conducted at Mbarara Regional Referral Hospital (MRRH), in southwestern Uganda...
March 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28341824/posterior-cingulate-cross-hemispheric-functional-connectivity-predicts-the-level-of-consciousness-in-traumatic-brain-injury
#11
Haosu Zhang, Rui Dai, Pengmin Qin, Weijun Tang, Jin Hu, Xuchu Weng, Xing Wu, Ying Mao, Xuehai Wu, Georg Northoff
Previous studies have demonstrated that altered states of consciousness are related to changes in resting state activity in the default-mode network (DMN). Anatomically, the DMN can be divided into anterior and posterior regions. The anterior DMN includes the perigenual anterior cingulate cortex and other medial prefrontal cortical regions, whereas the posterior DMN includes regions such as the posterior cingulate cortex (PCC) and the temporal parietal junction (TPJ). Although differential roles have been attributed to the anterior and posterior DMN regions, their exact contributions to consciousness levels remain unclear...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28341799/use-of-traumatic-brain-injury-prediction-rules-with-clinical-decision-support
#12
Peter S Dayan, Dustin W Ballard, Eric Tham, Jeff M Hoffman, Marguerite Swietlik, Sara J Deakyne, Evaline A Alessandrini, Leah Tzimenatos, Lalit Bajaj, David R Vinson, Dustin G Mark, Steve R Offerman, Uli K Chettipally, Marilyn D Paterno, Molly H Schaeffer, Jun Wang, T Charles Casper, Howard S Goldberg, Robert W Grundmeier, Nathan Kuppermann
OBJECTIVES: We determined whether implementing the Pediatric Emergency Care Applied Research Network (PECARN) traumatic brain injury (TBI) prediction rules and providing risks of clinically important TBIs (ciTBIs) with computerized clinical decision support (CDS) reduces computed tomography (CT) use for children with minor head trauma. METHODS: Nonrandomized trial with concurrent controls at 5 pediatric emergency departments (PEDs) and 8 general EDs (GEDs) between November 2011 and June 2014...
March 24, 2017: Pediatrics
https://www.readbyqxmd.com/read/28341672/activation-of-myeloid-tlr4-mediates-t-lymphocyte-polarization-after-traumatic-brain-injury
#13
Molly Braun, Kumar Vaibhav, Nancy Saad, Sumbul Fatima, Darrell W Brann, John R Vender, Lei P Wang, Md Nasrul Hoda, Babak Baban, Krishnan M Dhandapani
Traumatic brain injury (TBI) is a major public health issue, producing significant patient mortality and poor long-term outcomes. Increasing evidence suggests an important, yet poorly defined, role for the immune system in the development of secondary neurologic injury over the days and weeks following a TBI. In this study, we tested the hypothesis that peripheral macrophage infiltration initiates long-lasting adaptive immune responses after TBI. Using a murine controlled cortical impact model, we used adoptive transfer, transgenic, and bone marrow chimera approaches to show increased infiltration and proinflammatory (classically activated [M1]) polarization of macrophages for up to 3 wk post-TBI...
March 24, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28340906/veterans-treatment-courts-a-case-study-of-their-efficacy-for-veterans-needs
#14
John W Erickson
Veterans Treatment Courts (VTCs) were created to: (1) address issues unique to U.S. Military Veterans; and, (2) where possible, avoid punishing veterans for crimes that may have been committed as a direct result of their mental conditions (e.g., Posttraumatic Stress Disorder (PTSD) and/or Traumatic Brain Injury (TBI)). Little research has been undertaken to ascertain whether VTCs are accomplishing their intended goals. To that end, the present case study examined three operating VTCs in order to determine if they are meeting their objectives...
November 2016: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/28340601/rantes-levels-in-peripheral-blood-csf-and-contused-brain-tissue-as-a-marker-for-outcome-in-traumatic-brain-injury-tbi-patients
#15
Venencia Albert, Arulselvi Subramanian, Deepak Agrawal, Sanjeev Kumar Bhoi, Pooja Pallavi, A K Mukhopadhayay
BACKGROUND: Traumatic brain injury (TBI) causes activation of several neurochemical and physiological cascades, leading to neurological impairment. We aimed to investigate the level of novel chemokine RANTES in plasma, cerebrospinal fluid (CSF) and contused brain tissue in traumatic brain injury patients and to correlate the expression of this chemokine with the severity of head injury and neurological outcome. METHODS: This longitudinal case control study was performed on 70 TBI patients over a period of 30 months...
March 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28340575/nox2-deficiency-alters-macrophage-phenotype-through-an-il-10-stat3-dependent-mechanism-implications-for-traumatic-brain-injury
#16
James P Barrett, Rebecca J Henry, Sonia Villapol, Bogdan A Stoica, Alok Kumar, Mark P Burns, Alan I Faden, David J Loane
BACKGROUND: NADPH oxidase (NOX2) is an enzyme system that generates reactive oxygen species (ROS) in microglia and macrophages. Excessive ROS production is linked with neuroinflammation and chronic neurodegeneration following traumatic brain injury (TBI). Redox signaling regulates macrophage/microglial phenotypic responses (pro-inflammatory versus anti-inflammatory), and NOX2 inhibition following moderate-to-severe TBI markedly reduces pro-inflammatory activation of macrophages/microglia resulting in concomitant increases in anti-inflammatory responses...
March 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28340321/exploring-the-relationship-between-cognition-and-functional-verbal-reasoning-in-adults-with-severe-traumatic-brain-injury-at-six-months-post-injury
#17
Petra Avramović, Belinda Kenny, Emma Power, Skye McDonald, Robyn Tate, Louise Hunt, Sheila MacDonald, Rob Heard, Leanne Togher
OBJECTIVE(S): This study aims to determine the association between cognitive impairment and functional verbal reasoning in adults with severe traumatic brain injury (TBI), at six months post-injury. METHOD(S): 38 participants with severe TBI were assessed using the four tasks on the Functional Assessment of Verbal Reasoning and Executive Strategies (FAVRES) [1] and a battery of neuropsychological tests at 6 months post injury in a cross-sectional observational study...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28340316/quality-of-relationship-between-veterans-with-traumatic-brain-injury-and-their-family-members
#18
Laraine Winter, Helene J Moriarty
OBJECTIVES: The quality of the relationship between patients with many illnesses and their family members has been shown to affect the well-being of both. Yet, relationship quality has not been studied in traumatic brain injury (TBI), and giving and receiving aspects have not been distinguished. The present study of veterans with TBI examined associations between relationship quality and caregiver burden, satisfaction with caregiving, and veterans' competence in interpersonal functioning, rated by veterans and family members...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28340315/systematic-behavioural-observation-of-executive-performance-after-brain-injury
#19
Mark W Lewis, Duncan R Babbage, Janet M Leathem
OBJECTIVE: To develop an ecologically valid measure of executive functioning (i.e. Planning and Organization, Executive Memory, Initiation, Cognitive Shifting, Impulsivity, Sustained and Directed Attention, Error Detection, Error Correction and Time Management) during a functional chocolate brownie cooking task. METHODS: In Study 1, the inter-rater reliability of a novel behavioural observation assessment method was assessed with 10 people with traumatic brain injury (TBI)...
March 24, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28340312/a-preliminary-investigation-on-the-effect-of-extracorporeal-shock-wave-therapy-as-a-treatment-for-neurogenic-heterotopic-ossification-following-traumatic-brain-injury-part-ii-effects-on-function
#20
J E Reznik, E Biros, Y Sacher, O Kibrik, S Milanese, S Gordon, M P Galea
INTRODUCTION: Neurogenic heterotopic ossification (NHO) occurs as a complication of traumatic brain injury (TBI). Management of clinically significant NHO remains variable. Complications of mature NHO include limitation of mobility. The effect of the extracorporeal shock wave therapy (ESWT) on range of motion at hip and knee, and function in patients with TBI with chronic NHO was investigated. METHODS: A series of single-case studies applying ESWT to chronic NHO at the hip or knee of 11 patients with TBI were undertaken at a rehabilitation hospital...
March 24, 2017: Brain Injury: [BI]
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