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https://www.readbyqxmd.com/read/28734937/longitudinal-examination-of-resilience-after-traumatic-brain-injury-a-traumatic-brain-injury-model-systems-study
#1
Jennifer H Marwitz, Adam P Sima, Jeffrey S Kreutzer, Laura E Dreer, Thomas F Bergquist, Ross Zafonte, Douglas Johnson-Greene, Elizabeth R Felix
OBJECTIVE: To evaluate the trajectory of resilience during the first year following a moderate-severe TBI, factors associated with resilience at 3, 6 and 12-months post-injury, and changing relationships over time between resilience and other factors. DESIGN: Longitudinal analysis of an observational cohort. SETTING: Five inpatient rehabilitation centers. PARTICIPANTS: Patients with TBI (N = 195) enrolled in the resilience module of the TBI Model Systems study with data collected at 3, 6, and 12-month follow-up...
July 19, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28732652/correlation-of-tenascin-c-concentrations-in-serum-with-outcome-of-traumatic-brain-injury-in-humans
#2
Yuan-Yuan Zhao, Lin Lou, Kai-Chuang Yang, Hai-Bo Wang, Yan Xu, Gang Lu, Hai-Yan He
BACKGROUND: Tenascin-C, a matricellular protein, is involved in brain injury. However, change of tenascin-C concentrations in peripheral blood remains unknown after traumatic brain injury (TBI). METHODS: Serum tenascin-C concentrations were measured in 100 healthy controls, 108 severe TBI patients, 79 moderate TBI patients and 32 mild TBI patients. RESULTS: Serum tenascin-C concentrations of patients were significantly higher than those of controls...
July 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28731871/online-family-problem-solving-for-pediatric-traumatic-brain-injury-influences-of-parental-marital-status-and-participation-on-adolescent-outcomes
#3
Stacey P Raj, Nanhua Zhang, Michael W Kirkwood, H Gerry Taylor, Terry Stancin, Tanya M Brown, Shari L Wade
OBJECTIVE: To examine the moderating effects of parent marital status and participation on efficacy of an online family problem-solving intervention for pediatric traumatic brain injury (TBI). METHODS: Participants were 132 adolescents (12-17 years) who had sustained a recent (<6 months) TBI and their parents. Participants were randomly assigned to the intervention (Counselor-Assisted Problem Solving, CAPS) or an Internet resource comparison (IRC) condition. CAPS was designed to support families in the initial phase following TBI, by teaching problem-solving skills and addressing common challenges...
July 20, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28731870/the-association-of-cognitive-reserve-in-chronic-phase-functional-and-neuropsychological-outcomes-following-traumatic-brain-injury
#4
Jacob B Leary, Grace Y Kim, Catherine L Bradley, Uzma Z Hussain, Maryanne Sacco, Martha Bernad, John Collins, John Dsurney, Leighton Chan
OBJECTIVE: Examine the association of cognitive reserve (CR) factors (estimated premorbid intelligence quotient [IQ], years of education, and occupational attainment) and traumatic brain injury (TBI) severity with functional and neuropsychological outcomes 1 to 5 years following TBI. PARTICIPANTS: Patients with mild (N = 58), moderate (N = 25), or severe (N = 17) TBI. MAIN MEASURES: Cognitive reserve factors (estimated premorbid IQ, years of education, and occupational attainment); neuropsychological test battery; Glasgow Outcome Scale-Extended; Short Form-36 Health Survey...
July 20, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28731869/individual-and-population-level-impacts-of-traumatic-brain-injury-and-maternal-characteristics-on-subsequent-offending-behavior
#5
Handan Wand, Melanie Simpson, Eva Malacova, Peter W Schofield, David B Preen, Robyn Tate, Tony Butler
OBJECTIVE: To evaluate the individual- and population-level impact of a combination of factors, including traumatic brain injury (TBI) and certain maternal characteristics, on subsequent criminal conviction. DESIGN AND PARTICIPANTS: A retrospective record linkage study involving a cohort of 30 599 individuals born between 1980 and 1985, with ratio of 1 (with TBI): 3 (no TBI), matched by sex and the year of birth. METHODS AND PROCEDURES: Cox proportional hazard regression models and population attributable risk percentages (PAR%) were used to assess the contribution of TBI and other risk factors on subsequent criminal convictions...
July 20, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28729823/administration-of-tauroursodeoxycholic-acid-attenuates-early-brain-injury-via-akt-pathway-activation
#6
Dongdong Sun, Gang Gu, Jianhao Wang, Yan Chai, Yueshan Fan, Mengchen Yang, Xin Xu, Weiwei Gao, Fei Li, Dongpei Yin, Shuai Zhou, Xin Chen, Jianning Zhang
Traumatic brain injury (TBI) is one of the leading causes of trauma-induced mortality and disability, and emerging studies have shown that endoplasmic reticulum (ER) stress plays an important role in the pathophysiology of TBI. Tauroursodeoxycholic acid (TUDCA), a hydrophilic bile acid, has been reported to act as an ER stress inhibitor and chemical chaperone and to have the potential to attenuate apoptosis and inflammation. To study the effects of TUDCA on brain injury, we subjected mice to TBI with a controlled cortical impact (CCI) device...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28729191/hypothermia-pretreatment-improves-cognitive-impairment-via-enhancing-synaptic-plasticity-in-a-traumatic-brain-injury-model
#7
Bingjin Liu, Lin Wang, Yun Cao, Weiqi Xu, Fangxiao Shi, Qing Tian, Xinwen Zhou
PosttraumatichypothermiaattenuatescognitivedeficitscausedbyTBIwhen it is administered at an early stage. However, little is known regarding the effect of hypothermia pretreatment on cognitive deficits one month after TBI. In the current study, the behavior test revealed that hypothermia pretreatment mitigates the learning and memory impairment induced by TBI in mice. Hypothermia treatment significantly increased the expression of PSD93, PSD95 and NR2B one month after TBI in the cortex and hippocampus compared with the normothermia group...
July 17, 2017: Brain Research
https://www.readbyqxmd.com/read/28729147/adult-umbilical-cord-blood-transplantation-using-myeloablative-thiotepa-total-body-irradiation-and-fludarabine-conditioning
#8
Sarah Anand, Samantha Thomas, Kelly Corbet, Cristina Gasparetto, Gwynn D Long, Richard Lopez, Ashley K Morris, David A Rizzieri, Keith M Sullivan, Anthony D Sung, Stefanie Sarantopoulos, Nelson J Chao, Mitchell E Horwitz
Treatment related mortality (TRM) remains elevated in adult patients undergoing umbilical cord blood (UCB) transplantation, including an early rise in TRM suggestive of excessive toxicity associated with the standard myeloablative total body irradiation (TBI), fludarabine, and cyclophosphamide regimen. In an attempt to reduce regimen-related toxicity, we previously studied a modified myeloablative regimen with total body irradiation (1350 cGy) and fludarabine (160 mg/m(2)); TRM was decreased but neutrophil engraftment was suboptimal...
July 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28728875/the-use-and-uptake-of-pupillometers-in-the-intensive-care-unit
#9
Matthew Hao Lee, Biswadev Mitra, Jiun Kae Pui, Mark Fitzgerald
BACKGROUND: Traumatic brain injury (TBI) is a significant public health issue. Assessing pupil reactivity is a crucial aspect of its management and the pupillometer has been shown to be a more objective tool compared to the standard penlight. Its use, however, is not widespread. OBJECTIVE: To investigate the paucity in uptake, we examined the frequency of use of pupillometers (NeurOptics(®)NPi-100™) amongst Intensive Care Unit (ICU) doctors and nurses, evaluated its user-friendliness and explored barriers to its use...
July 17, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
https://www.readbyqxmd.com/read/28728755/-magnetic-resonance-in-traumatic-brain-injury-a-comparative-study-of-the-different-conventional-magnetic-resonance-imaging-sequences-and-their-diagnostic-value-in-diffuse-axonal-injury
#10
Marta Cicuendez, Ana Castaño-León, Ana Ramos, Amaya Hilario, Pedro A Gómez, Alfonso Lagares
OBJECTIVE: To compare the identification capability of traumatic axonal injury (TAI) by different sequences on conventional magnetic resonance (MR) studies in traumatic brain injury (TBI) patients. MATERIAL AND METHODS: We retropectevely analyzed 264 TBI patients to whom a MR had been performed in the first 60 days after trauma. All clinical variables related to prognosis were registered, as well as the data from the initial computed tomography. The MR imaging protocol consisted of a 3-plane localizer sequence T1-weighted and T2-weighted fast spin-echo, FLAIR and gradient-echo images (GRET2*)...
July 17, 2017: Neurocirugía
https://www.readbyqxmd.com/read/28728464/repeat-mild-traumatic-brain-injury-in-adolescent-rats-increases-subsequent-%C3%AE-amyloid-pathogenesis
#11
Daya Alexander Grant, Rebecka Serpa, Cameron R Moattari, Ari Brown, Tiffany Greco, Mayumi Prins, Edmond Teng
Single moderate-to-severe traumatic brain injuries (TBIs) may increase subsequent risk for neurodegenerative disease by facilitating β-amyloid (Aβ) deposition. However, the chronic effects on Aβ pathogenesis of repetitive mild TBIs, which are common in adolescents and young adults, remain uncertain. We examined the effects of repetitive mild TBI sustained during adolescence on subsequent deposition of Aβ pathology in a transgenic APP/PS1 rat model. Transgenic rats received sham or four individual mild TBI (rTBI) separated by either 24- or 72-hour intervals at post-natal day 35 (prior to Aβ plaque deposition)...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28728461/rehabilitation-of-emergent-awareness-of-errors-post-traumatic-brain-injury-a-pilot-intervention
#12
Mary C C FitzGerald, Fiadhnait O'Keeffe, Simone Carton, Robert F Coen, Simon Kelly, Paul Dockree
Impaired awareness of errors is common following traumatic brain injury (TBI) and can be a barrier to successful rehabilitation. The objective of this study was to develop and evaluate a computer-based intervention programme aimed at improving error awareness in individuals with TBI. A further aim was to explore its effects on metacognitive awareness and variability of performance. Participants were 11 individuals with TBI and impaired error awareness who performed a sustained attention task twice-weekly for four weeks...
July 20, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28727580/increase-in-intracranial-pressure-by-application-of-a-rigid-cervical-collar-a-pilot-study-in-healthy-volunteers
#13
Iscander M Maissan, Rein Ketelaars, Boris Vlottes, Sanne E Hoeks, Dennis den Hartog, Robert J Stolker
OBJECTIVES: Rigid cervical collars are known to increase intracranial pressure (ICP) in severe traumatic brain injury (TBI). Cerebral blood flow might decrease according to the Kellie Monroe doctrine. For this reason, the use of the collar in patients with severe TBI has been abandoned from several trauma protocols in the Netherlands. There is no evidence on the effect of a rigid collar on ICP in patients with mild or moderate TBI or indeed patients with no TBI. As a first step we tested the effect in healthy volunteers with normal ICPs and intact autoregulation of the brain...
July 19, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28726717/mini-review-of-controlled-cortical-impact-a-well-suited-device-for-concussion-research
#14
REVIEW
Nicole Osier, C Edward Dixon
Mild traumatic brain injury (mTBI) is increasingly recognized as a significant public health problem which warrants additional research. Part of the effort to understand mTBI and concussion includes modeling in animals. Controlled cortical impact (CCI) is a commonly employed and well-characterized model of experimental TBI that has been utilized for three decades. Today, several commercially available pneumatic- and electromagnetic-CCI devices exist as do a variety of standard and custom injury induction tips...
July 20, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28726590/a-method-of-managing-severe-traumatic-brain-injury-in-the-absence-of-intracranial-pressure-monitoring-the-ice-protocol
#15
Randall Chesnut, Nancy Temkin, Sureyya Dikmen, Carlos Rondina, Walter Videtta, Gustavo Petroni, Silvia Lujan, Victor Alanis, Antonio Luis Eiras Falcao, Gustavo La Fuente, Luis Gonzalez, Manuel Jibaja, Arturo Lavendez, Freddy Sandi Lora, Roberto Merida, Ricardo Romero, James Pridgeon, Jason Barber, Joan Machamer, Kelley Chaddock
Purpose - The imaging- and clinical-examination (ICE) algorithm used in the BEST TRIP ICP randomized controlled trial is the only prospectively investigated clinical protocol for TBI management without ICP monitoring. As the default literature standard, it warrants careful evaluation. Methods - We present the ICE protocol in detail and analyse the demographics, outcome, treatment intensity, frequency of intervention usage, and related adverse events in the ICE-protocol cohort. Results - The 167 ICE protocol patients were young (median 29 years) with a median Glasgow Coma Scale motor score of 4 but with anisocoria or abnormal pupillary reactivity in 40%...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28726571/primary-blast-causes-delayed-effects-without-cell-death-in-shell-encased-brain-cell-aggregates
#16
Thomas Sawyer, Yushan Wang, David V Ritzel, Tyson Josey, Mercy Villanueva, Cory Vair, Yanfeng Song, Yimin Shei, Steven Parks, Peggy Nelson, Grant Hennes, Lori McLaws, Changyan Fan
Previous work used underwater explosive exposures to isolate the effects of shock-induced principle stress without shear on rat brain aggregate cultures. This current study has utilized simulated air blast to expose aggregates in suspension and enclosed within a spherical shell, enabling the examination of a much more complex biomechanical insult. Culture medium-filled spheres were exposed to single pulse overpressures of 15-30 psi (6-7 msec duration) and measurements within the sphere at defined sites showed complex and spatially dependent pressure changes...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28726543/differences-in-brain-architecture-in-remote-mild-traumatic-brain-injury
#17
Aishwarya Rajesh, Gillian E Cooke, Jim M Monti, Andrew Jahn, Ana M Daugherty, Arthur Kramer
Mild TBI (mTBI) is brain trauma from an external impact with a loss of consciousness less than 30 minutes. MTBI results in several biopsychosocial impairments with pronounced cognitive deficits, thought to resolve within three months of injury. Previous research suggests that these impairments are due to a temporary inability to appropriately allocate neural resources in response to cognitive demands. Our study questioned this assumption and instead hypothesized that mTBI was associated with long-term neural disruptions and compromised brain structure integrity...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28726269/previous-physical-exercise-alters-hepatic-profile-of-oxidative-inflammatory-status-and-limits-the-secondary-brain-damage-induced-by-severe-tbi-in-rats
#18
Mauro Robson Torres de Castro, Ana Paula de Oliveira Ferreira, Guilherme Lago Busanello, Luís Roberto Hart da Silva, Mauro Eduardo Porto da Silveira Junior, Fernando Fiorin, Gabriela Arrifano, Maria Elena Crespo López, Rômulo Pillon Barcelos, María J Cuevas, Guilherme Bresciani, Javier González-Gallego, Michele Rechia Fighera, Luiz Fernando Freire Royes
Although systemic responses have been described after traumatic brain injury (TBI), little is known regarding potential interactions between brain and peripheral organs after neuronal injury. In this sense, we decided to investigate whether peripheral oxidative/inflammatory response contributes to the neuronal dysfunction after TBI as well as prophylactic role of exercise training. Animals were submitted to fluid percussion injury (FPI) after 6 weeks of swimming training. Previous exercise training increased mRNA expression of X receptor alpha (LXR-α), ATP-binding cassette transporter (ABCA1), and decreased inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), tumor necrosis factor alpha (TNF-α) and interleukin (IL)-6 expression per se in liver...
July 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28725843/identifying-and-understanding-the-health-information-experiences-and-preferences-of-individuals-with-tbi-sci-and-burn-injuries
#19
Nathan T Coffey, Ali A Weinstein, Cindy Cai, Jimmy Cassese, Rebecca Jones, Dahlia Shaewitz, Steven Garfinkel
INTRODUCTION: Traumatic brain injury, spinal cord injury, and burn injury can cause lifelong disability and changes in quality of life. In order to meet the challenges of postinjury life, various types of health information are needed. We sought to identify preferred sources of health information and services for persons with these injuries and discover how accessibility could be improved. METHODS: Thirty-three persons with injury participated in semistructured interviews...
September 2016: Journal of patient experience
https://www.readbyqxmd.com/read/28725550/dti-measures-identify-mild-and-moderate-tbi-cases-among-patients-with-complex-health-problems-a-receiver-operating-characteristic-analysis-of-u-s-veterans
#20
Keith L Main, Salil Soman, Franco Pestilli, Ansgar Furst, Art Noda, Beatriz Hernandez, Jennifer Kong, Jauhtai Cheng, Jennifer K Fairchild, Joy Taylor, Jerome Yesavage, J Wesson Ashford, Helena Kraemer, Maheen M Adamson
Standard MRI methods are often inadequate for identifying mild traumatic brain injury (TBI). Advances in diffusion tensor imaging now provide potential biomarkers of TBI among white matter fascicles (tracts). However, it is still unclear which tracts are most pertinent to TBI diagnosis. This study ranked fiber tracts on their ability to discriminate patients with and without TBI. We acquired diffusion tensor imaging data from military veterans admitted to a polytrauma clinic (Overall n = 109; Age: M = 47...
2017: NeuroImage: Clinical
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