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Adult traumatic brain injury

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https://www.readbyqxmd.com/read/28549992/thyroid-hormone-treatment-activates-protective-pathways-in-both-in-vivo-and-in-vitro-models-of-neuronal-injury
#1
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/28547319/systemic-inflammatory-response-syndrome-sirs-score-independently-predicts-poor-outcome-in-isolated-traumatic-brain-injury
#2
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/28543565/lactate-supplementation-in-severe-traumatic-brain-injured-adults-by-primed-constant-infusion-of-sodium-l-lactate
#3
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/28542295/therapeutic-benefits-of-phosphodiesterase-4b-inhibition-after-traumatic-brain-injury
#4
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/28532914/penetrating-bihemispheric-traumatic-brain-injury-a-collective-review-of-gunshot-wounds-to-the-head
#5
REVIEW
L Turco, D L Cornell, B Phillips
BACKGROUND: Head injuries that cross midline structures of the brain are 'bihemispheric.' Other terms have been used to describe such injuries, but 'bihemispheric' is the most accurate and should be standard nomenclature. Bihemispheric head injuries are associated with higher mortality and morbidity than other penetrating traumatic brain injuries (TBI). Currently, there is a tendency to manage severe gunshot wounds (GSWs) to the head non-operatively, despite reports of improved outcome in military patients treated aggressively...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28530785/anti-edematous-anti-inflammatory-and-neuroprotective-effect-of-etanercept-in-acute-stage-in-experimental-head-injury
#6
Ömer Aykanat, Durmuş Oğuz Karakoyun, Mehmet Erhan Türkoğlu, Cem Dinç
BACKGROUND: To study the anti-edematous, anti-inflammatory, and neuroprotective effect of etanercept in the model of experimental head injury. METHODS: In this study, 40 male-adult Spraque-Dawley rats, with weight ranging from 250g to 300g, were used. The rats are divided into groups as control; non-penetrating trauma; trauma +NS; post-traumatic normal saline; trauma + D; post-traumatic dexamethasone and trauma + E. All medicines were given into peritoneum. After applying trauma and medicine, rats were decapitated in the 24th hour and the samples were studied histopathologically...
May 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28527644/conceptual-structure-of-health-related-quality-of-life-for-persons-with-traumatic-brain-injury-confirmatory-factor-analysis-of-the-tbi-qol
#7
Mark Sherer, Julia Maria Paul Poritz, David Tulsky, Pamela Kisala, Luis Leon-Novelo, Esther Ngan
OBJECTIVE: To determine the factor structure of the Traumatic Brain Injury - Quality of Life (TBI-QOL) measurement system. DESIGN: Observational. SETTING: 3 TBI Model Systems rehabilitation centers in the US PARTICIPANTS: and Methods: 20 TBI-QOL item banks were administered to a sample of 504 community-dwelling adults with traumatic brain injury (TBI) as part of a study of TBI classification. A subsample of n=200 participants was randomly selected for exploratory factor analyses (EFA), while data from the remaining 304 participants were used for the confirmatory factor analysis (CFA)...
May 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28525411/beta-blockers-and-traumatic-brain-injury-a-systematic-review-meta-analysis-and-eastern-association-for-the-surgery-of-trauma-guideline
#8
Aziz S Alali, Kaushik Mukherjee, Victoria A McCredie, Eyal Golan, Prakesh S Shah, James M Bardes, Susan E Hamblin, Elliott R Haut, James C Jackson, Kosar Khwaja, Nimitt J Patel, Satish R Raj, Laura D Wilson, Avery B Nathens, Mayur B Patel
OBJECTIVE: To determine if beta-(β)-blockers improve outcomes after acute traumatic brain injury (TBI). BACKGROUND: There have been no new inpatient pharmacologic therapies to improve TBI outcomes in a half-century. Treatment of TBI patients with β-blockers offers a potentially beneficial approach. METHODS: Using MEDLINE, EMBASE, and CENTRAL databases, eligible articles for our systematic review and meta-analysis (PROSPERO CRD42016048547) included adult (age ≥ 16 years) blunt trauma patients admitted with TBI...
May 18, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28523229/strategy-based-reasoning-training-modulates-cortical-thickness-and-resting-state-functional-connectivity-in-adults-with-chronic-traumatic-brain-injury
#9
Kihwan Han, Rebecca A Davis, Sandra B Chapman, Daniel C Krawczyk
INTRODUCTION: Prior studies have demonstrated training-induced changes in the healthy adult brain. Yet, it remains unclear how the injured brain responds to cognitive training months-to-years after injury. METHODS: Sixty individuals with chronic traumatic brain injury (TBI) were randomized into either strategy-based (N = 31) or knowledge-based (N = 29) training for 8 weeks. We measured cortical thickness and resting-state functional connectivity (rsFC) before training, immediately posttraining, and 3 months posttraining...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28522734/voluntary-control-of-epileptiform-spike-wave-discharges-in-awake-rats
#10
Jeremy A Taylor, Krista M Rodgers, Florencia M Bercum, Carmen J Booth, F Edward Dudek, Daniel S Barth
Genetically inherited absence epilepsy in humans is typically characterized by brief (seconds) spontaneous seizures, which involve spike-wave discharges (SWDs) in the EEG and interruption of consciousness and ongoing behavior. Genetic (inbred) models of this disorder in rats have been used to examine mechanisms, comorbidities and anti-absence drugs. SWDs have also been proposed as models of complex partial seizures (CPSs) following traumatic brain injury (post-traumatic epilepsy; PTE). However, the ictal characteristics of these rat models, including SWDs and associated immobility, are also prevalent in healthy outbred laboratory rats...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28522414/therapeutic-potential-of-agmatine-for-cns-disorders
#11
REVIEW
Vivian B Neis, Priscila B Rosa, Gislaine Olescowicz, Ana Lúcia S Rodrigues
Agmatine is a neuromodulator that regulates multiple neurotransmitters and signaling pathways. Several studies have focused on elucidating the mechanisms underlying the neuroprotective effects of this molecule, which seems to be mediated by a reduction in oxidative damage, neuroinflammation, and proapoptotic signaling. Since these events are implicated in acute and chronic excitotoxicity-related disorders (ischemia, epilepsy, traumatic brain injury, spinal cord injury, neurodegenerative, and psychiatric disorders) as well as in nociception, agmatine has been proposed as a therapeutic strategy for the treatment of central nervous system (CNS) disorders...
May 15, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28521527/employment-outcome-four-years-after-a-severe-traumatic-brain-injury-results-of-the-paris-severe-traumatic-brain-injury-study
#12
Alexis Ruet, Claire Jourdan, Eléonore Bayen, Emmanuelle Darnoux, Dalila Sahridj, Idir Ghout, Sylvie Azerad, Pascale Pradat Diehl, Philippe Aegerter, James Charanton, Claire Vallat Azouvi, Philippe Azouvi
OBJECTIVE: To describe employment outcome four years after a severe traumatic brain injury by the assessment of individual patients' preinjury sociodemographic data, injury-related and postinjury factors. DESIGN: A prospective, multicenter inception cohort of 133 adult patients in the Paris area (France) who had received a severe traumatic brain injury were followed up postinjury at one and four years. Sociodemographic data, factors related to injury severity and one-year functional and cognitive outcomes were prospectively collected...
May 18, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28520675/the-role-of-cognitive-reserve-in-recovery-from-traumatic-brain-injury
#13
Kayla A Steward, Richard Kennedy, Thomas A Novack, Michael Crowe, Daniel C Marson, Kristen L Triebel
OBJECTIVE: To examine whether cognitive reserve (CR) attenuates the initial impact of traumatic brain injury (TBI) on cognitive performance (neural reserve) and results in faster cognitive recovery rates in the first year postinjury (neural compensation), and whether the advantage of CR differs on the basis of the severity of TBI. SETTING: Inpatient/outpatient clinics at an academic medical center. PARTICIPANTS: Adults with mild TBI (mTBI; n = 28), complicated mild TBI (cmTBI; n = 24), and moderate to severe TBI (msevTBI; n = 57), and demographically matched controls (n = 66)...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28520672/sertraline-for-major-depression-during-the-year-following-traumatic-brain-injury-a-randomized-controlled-trial
#14
Jesse R Fann, Charles H Bombardier, Nancy Temkin, Peter Esselman, Catherine Warms, Jason Barber, Sureyya Dikmen
OBJECTIVE: Major depressive disorder (MDD) is common and associated with impaired functioning after traumatic brain injury (TBI). Few placebo-controlled antidepressant trials exist in this population. We evaluated the efficacy and tolerability of sertraline for MDD within 1 year of sustaining a TBI. SETTING: Level I trauma center. PARTICIPANTS: Adults with MDD within 1 year of hospitalization for complicated mild to severe TBI. DESIGN: Randomized, double-blind, placebo-controlled trial...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28520662/anxiety-disorders-in-adults-with-childhood-traumatic-brain-injury-evidence-of-difficulties-more-than-10-years-postinjury
#15
Michelle Albicini, Audrey McKinlay
OBJECTIVE: To explore long-term psychiatric outcomes in individuals with a history of childhood traumatic brain injury (TBI) or orthopedic injury (OI). SETTING: Hospital emergency department, medical admission records and outpatient settings. PARTICIPANTS: There were 95 males (M = 22.78 years, SD = 3.44 years) and 74 females (M = 22.27 years, SD = 3.09 years), 65 with mild TBI (M = 23.25 years, SD = 3.58 years), 61 with moderate-severe TBI (M = 22...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28520661/traumatic-brain-injury-and-depression-in-a-community-based-sample-a-cohort-study-across-the-adult-life-span
#16
A J Osborn, J L Mathias, A K Fairweather-Schmidt, K J Anstey
OBJECTIVES: To determine whether self-reported traumatic brain injuries (TBIs) are associated with "cases" of clinically significant depression in the general community. To examine interactions between variables previously linked to depression after a TBI. SETTING: Population-based community study (Canberra and Queanbeyan, Australia). PARTICIPANTS AND DESIGN: Three age cohorts: young, middle-aged, and older adults (aged 20-24, 40-44, and 60-64 years at baseline) randomly selected from the electoral roll and followed across 3 waves (4 years apart)...
May 17, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28512739/normal-develompent-of-spinal-axons-in-early-embryo-stages-and-posterior-locomotor-function-is-independent-of-gal-1
#17
Juana M Pasquini, Francisco J Barrantes, Héctor R Quintá
It was recently described that Galectin-1 (Gal-1) promotes axonal growth after spinal cord injury. This effect depends on protein dimerization, since monomeric Gal-1 fails to stimulate axonal re-growth. Gal-1 is expressed in vivo at concentrations that favor the monomeric species. The aim of the present study is to investigate whether endogenous Gal-1 is required for spinal axon development and normal locomotor behavior in mice. In order to characterize axonal development, we used a novel combination of 3-DISCO technique with 1-photon microscopy and epifluorescence microscopy under high power LED illumination, followed by serial image section deconvolution and 3-D reconstruction...
May 17, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28512443/transcranial-direct-current-stimulation-for-post-concussion-syndrome-study-protocol-for-a-randomized-crossover-trial
#18
Robson Luis Oliveira de Amorim, André Russowsky Brunoni, Mirian Akiko Furutani de Oliveira, Ana Luiza Costa Zaninotto, Marcia Mitie Nagumo, Vinícius Monteiro de Paula Guirado, Iuri Santana Neville, Gláucia Rosana Guerra Benute, Mara Cristina Souza de Lucia, Wellingson Silva Paiva, Almir Ferreira de Andrade, Manoel Jacobsen Teixeira
BACKGROUND: Mild traumatic brain injury (MTBI) represents 70-80% of all treated brain injuries. A considerable proportion of MTBI patients experience post-concussion symptoms for a prolonged period after MTBI, and these symptoms are diagnosed as persistent post-concussion syndrome (PPCS). PPCS is defined as a range of physical, cognitive, and emotional symptoms. However, memory and executive dysfunction seems to be one of the most debilitating symptoms. Recently, non-invasive brain stimulation has been studied as a potential treatment method for traumatic brain injury (TBI) patients...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28508995/l-carnitine-and-acetyl-l-carnitine-roles-and-neuroprotection-in-developing-brain
#19
Gustavo C Ferreira, Mary C McKenna
L-Carnitine functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. Treatment with L-carnitine can ameliorate metabolic imbalances in many inborn errors of metabolism. In recent years there has been considerable interest in the therapeutic potential of L-carnitine and its acetylated derivative acetyl-L-carnitine (ALCAR) for neuroprotection in a number of disorders including hypoxia-ischemia, traumatic brain injury, Alzheimer's disease and in conditions leading to central or peripheral nervous system injury...
May 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28508698/negative-impact-of-litigation-procedures-on-patient-outcomes-four-years-after-severe-traumatic-brain-injury-results-from-the-paris-traumatic-brain-injury-study
#20
Eléonore Bayen, Claire Jourdan, Idir Ghout, Pascale Pradat-Diehl, Emmanuelle Darnoux, Gaëlle Nelson, Claire Vallat-Azouvi, James Charenton, Philippe Aegerter, Alexis Ruet, Philippe Azouvi
PURPOSE: To analyze the effect of litigation procedures on long-term outcomes in severe traumatic brain injury. MATERIALS AND METHODS: Prospective observational follow-up of an inception cohort including 504 adults with severe traumatic brain injury recruited in 2005-2007 in the Parisian area, France, with initial, one- and four-year outcomes measures. RESULTS: Four years after the traumatic brain injury, 147 patients, out of 257 who survived the acute phase, were assessed...
May 16, 2017: Disability and Rehabilitation
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