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Traumatic brain injury

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https://www.readbyqxmd.com/read/28750178/modifying-an-evidence-based-lifestyle-programme-for-individuals-with-traumatic-brain-injury
#1
Simon Driver, Megan Reynolds, Kaye Kramer
OBJECTIVE: Individuals with traumatic brain injury (TBI) are at a risk of obesity-related chronic diseases; yet, no evidence-based strategies exist to support weight management in this population. The purpose of this study was to use participatory action research to modify the Diabetes Prevention Program Group Lifestyle Balance (DPP-GLB) programme for overweight/obese people with TBI. The DPP-GLB programme provides education and self-management skills for individuals to reach their lifestyle goals through healthy eating and physical activity...
July 27, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28750174/cognitive-fatigue-an-impaired-cortical-inhibitory-replenishment
#2
Claude Touzet
PRIMARY OBJECTIVE: The present study explores the cause of cognitive fatigue in persons with traumatic brain injury (TBI), as also in persons with Multiple Sclerosis (MS). Since cognitive fatigue shares many symptoms with chronic sleep deprivation (best described as cumulative excess wakefulness), it was hypothesized that cognitive fatigue is caused by cumulative excess wakefulness because of an impaired sleep efficacy. Recent results about the nature of sleep advocate that sleep aims primarily to replenish the efficiency of cortical inhibitory synapses...
July 27, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28750171/remediation-of-social-communication-impairments-following-traumatic-brain-injury-using-metacognitive-strategy-intervention-a-pilot-study
#3
Emma Finch, Petrea Cornwell, Anna Copley, Emmah Doig, Jennifer Fleming
OBJECTIVE: To perform a pilot study to evaluate whether a novel metacognitive, goal-based intervention improved and maintained the social communication skills of adults with traumatic brain injury (TBI). METHOD: Eight community-dwelling participants with TBI completed three study phases: (1) baseline, (2) eight-week intervention targeting social communication impairments and (3) follow-up. Participants completed the Profile of Pragmatic Impairment in Communication (PPIC), LaTrobe Communication Questionnaire (LCQ) and Goal Attainment Scaling (GAS) at the commencement of baseline phase, pre- and post-intervention and completion of the follow-up phase...
July 27, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28748496/huperzine-a-alleviates-neuroinflammation-oxidative-stress-and-improves-cognitive-function-after-repetitive-traumatic-brain-injury
#4
Zhengrong Mei, Peiying Zheng, Xiangping Tan, Ying Wang, Bing Situ
Traumatic brain injury (TBI) may trigger secondary injury cascades including endoplasmic reticulum stress, oxidative stress, and neuroinflammation. Unfortunately, there are no effective treatments targeting either primary or secondary injuries that result in long-term detrimental consequences. Huperzine A (HupA) is a potent acetylcholinesterase inhibitor (AChEI) that has been used treatment of Alzheimer's disease (AD). This study aimed to explore the neuroprotective effects of HupA in TBI and its possible mechanisms...
July 26, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28748392/mobile-monitoring-of-traumatic-brain-injury-in-older-adults-challenges-and-opportunities
#5
EDITORIAL
Andrei Irimia, Susan Wei, Nanshu Lu, Constance M Moore, David N Kennedy
No abstract text is available yet for this article.
July 26, 2017: Neuroinformatics
https://www.readbyqxmd.com/read/28748217/mechanisms-and-applications-of-the-anti-inflammatory-effects-of-photobiomodulation
#6
Michael R Hamblin
Photobiomodulation (PBM) also known as low-level level laser therapy is the use of red and near-infrared light to stimulate healing, relieve pain, and reduce inflammation. The primary chromophores have been identified as cytochrome c oxidase in mitochondria, and calcium ion channels (possibly mediated by light absorption by opsins). Secondary effects of photon absorption include increases in ATP, a brief burst of reactive oxygen species, an increase in nitric oxide, and modulation of calcium levels. Tertiary effects include activation of a wide range of transcription factors leading to improved cell survival, increased proliferation and migration, and new protein synthesis...
2017: AIMS Biophysics
https://www.readbyqxmd.com/read/28747144/abcg2-c-421c-a-is-associated-with-outcomes-following-severe-traumatic-brain-injury
#7
Solomon M Adams, Yvette P Conley, Dianxu Ren, David O Okonkwo, Ava Puccio, C Edward Dixon, Robert Sb Clark, Patrick M Kochanek, Philip E Empey
Traumatic brain injury (TBI) is a leading cause of death with no pharmacologic treatments that improve outcomes. Transporter proteins participate in TBI recovery by maintaining the CNS biochemical milieu. Genetic variations in transporters that alter expression and/or function have been associated with TBI outcomes. The ATP-binding cassette transporter, ABCG2, is a uric acid (UA) transporter that effluxes UA from cells in the CNS and is responsible for systemic UA clearance. Uric acid is a CNS antioxidant and/or a biomarker that might support TBI recovery...
July 26, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28747109/the-changing-face-of-posttraumatic-stress-disorder-in-modern-warfare
#8
Duncan Wallace, Kristi Heffernan
OBJECTIVES: This study examined aspects of modern warfare and determined whether they have changed the clinical presentation of posttraumatic stress disorder (PTSD). CONCLUSIONS: The relationship between PTSD, mild traumatic brain injury, unmanned aerial vehicle operations and women in combat examined. It was concluded that there are significant changes in how contemporary combat veterans may present with PTSD.
August 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/28745861/mass-spectrometric-imaging-of-ceramides-tracks-therapeutic-response-in-traumatic-brain-injury
#9
Damon Christopher Barbacci, Aurélie Roux, Ludovic Muller, Shelley N Jackson, Jeremy Post, Kathrine Baldwin, Barry Hoffer, Carey Balaban, Shawn Gouty, Brian M Cox, Amina S Woods
Traumatic brain injury (TBI) is a serious public health problem and the leading cause of death in children and young adults. It also contributes to a substantial number of cases of permanent disability. As lipids make up over 50% of the brain mass and play a key role in both membrane structure and cell signaling, their profile is of particular interest. In this study, we show that advanced mass spectrometry imaging (MSI) has sufficient technical accuracy and reproducibility to demonstrate the anatomical distribution of 50 micron diameter microdomains that show changes in brain ceramide levels in a rat model of controlled cortical impact (CCI) 3 days post injury with and without treatment...
July 26, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28745856/severe-traumatic-brain-injury-in-children-an-evidence-based-review-of-emergency-department-management-digest
#10
Kirsten Morrissey, Hilary Fairbrother, Michelle N Vazquez
More than 1.7 million traumatic brain injuries occur in adults and children each year in the United States, with approximately 30% occurring in children aged < 14 years. Traumatic brain injury is a significant cause of morbidity and mortality in pediatric trauma patients. Early identification and management of severe traumatic brain injury is crucial in decreasing the risk of secondary brain injury and optimizing outcome. The main focus for early management of severe traumatic brain injury is to mitigate and prevent secondary injury, specifically by avoiding hypotension and hypoxia, which have been associated with poorer outcomes...
October 22, 2016: Pediatric Emergency Medicine Practice
https://www.readbyqxmd.com/read/28745642/assessing-spatial-memory-impairment-in-a-mouse-model-of-traumatic-brain-injury-using-a-radial-water-tread-maze
#11
Marcella M Cline, Megan A Ostlie, Chloe G Cross, Gregory G Garwin, Satoshi Minoshima, Donna J Cross
Despite the recent increase in use of mouse models in scientific research, researchers continue to use cognitive tasks that were originally designed and validated for rat use. The Radial Water Tread (RWT) maze test of spatial memory (designed specifically for mice and requiring no swimming) has been shown previously to successfully distinguish between controlled cortical impact-induced TBI mice and sham controls. Here, a detailed protocol for this task is presented. The RWT maze capitalizes on the natural tendency of mice to avoid open areas in favor of hugging the sides of an apparatus (thigmotaxis)...
July 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28744846/extubation-failure-and-tracheostomy-placement-in-children-with-acute-neurocritical-illness
#12
Ellen C Cohn, Tammy S Robertson, Stacey A Scott, Andre M Finley, Rong Huang, Darryl K Miles
BACKGROUND: There is a lack of data describing the risk factors for extubation failure (EF) or tracheostomy placement in pediatric neurocritical care (NCC) patients. METHODS: A retrospective chart review of children admitted to the pediatric intensive care unit who were intubated for >24 h with an acute neurocritical illness and had an extubation attempt. Bivariate and multivariate statistical analysis was performed to determine significant associations of demographic, neurologic, pulmonary, and clinical variables with EF and tracheostomy placement...
July 25, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28744321/an-18-f-positron-emitting-fluorescent-cerebrospinal-fluid-probe-for-imaging-damage-to-the-brain-and-spine
#13
Harikrishna Kommidi, Hua Guo, Nandi Chen, Dohyun Kim, Bin He, Amy P Wu, Omer Aras, Richard Ting
Fluorescein is modified to bear (18)F so that it can act as both a positron emitter, and a fluorophore, allowing detection by positron emission tomography (PET), scintillation, and fluorescent imaging (FL). [(18)F]-2 is injected into the intrathecal space of rats and used to observe the cerebrospinal fluid (CSF) that bathes the brain and spine. Injury in three different applications is visualized with [(18)F]-2: 1) detection of a 0.7 mm paranasal-sinus CSF leak (CSFL); 2) detection of 0.5 mm puncture damage to the thoracic spine (acute spinal cord injury); and 3) detection of intracerebral hemorrhage/edema because of traumatic brain injury...
2017: Theranostics
https://www.readbyqxmd.com/read/28742817/temporal-profile-of-intracranial-pressure-and-cerebrovascular-reactivity-in-severe-traumatic-brain-injury-and-association-with-fatal-outcome-an-observational-study
#14
Hadie Adams, Joseph Donnelly, Marek Czosnyka, Angelos G Kolias, Adel Helmy, David K Menon, Peter Smielewski, Peter J Hutchinson
BACKGROUND: Both intracranial pressure (ICP) and the cerebrovascular pressure reactivity represent the dysregulation of pathways directly involved in traumatic brain injury (TBI) pathogenesis and have been used to inform clinical management. However, how these parameters evolve over time following injury and whether this evolution has any prognostic importance have not been studied. METHODS AND FINDINGS: We analysed the temporal profile of ICP and pressure reactivity index (PRx), examined their relation to TBI-specific mortality, and determined if the prognostic relevance of these parameters was affected by their temporal profile using mixed models for repeated measures of ICP and PRx for the first 240 hours from the time of injury...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28742798/cerebrovascular-pressure-reactivity-monitoring-using-wavelet-analysis-in-traumatic-brain-injury-patients-a-retrospective-study
#15
Xiuyun Liu, Joseph Donnelly, Marek Czosnyka, Marcel J H Aries, Ken Brady, Danilo Cardim, Chiara Robba, Manuel Cabeleira, Dong-Joo Kim, Christina Haubrich, Peter J Hutchinson, Peter Smielewski
BACKGROUND: After traumatic brain injury (TBI), the ability of cerebral vessels to appropriately react to changes in arterial blood pressure (pressure reactivity) is impaired, leaving patients vulnerable to cerebral hypo- or hyperperfusion. Although, the traditional pressure reactivity index (PRx) has demonstrated that impaired pressure reactivity is associated with poor patient outcome, PRx is sometimes erratic and may not be reliable in various clinical circumstances. Here, we introduce a more robust transform-based wavelet pressure reactivity index (wPRx) and compare its performance with the widely used traditional PRx across 3 areas: its stability and reliability in time, its ability to give an optimal cerebral perfusion pressure (CPPopt) recommendation, and its relationship with patient outcome...
July 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28742231/different-resuscitation-strategies-and-novel-pharmacologic-treatment-with-valproic-acid-in-traumatic-brain-injury
#16
REVIEW
Simone E Dekker, Vahagn C Nikolian, Martin Sillesen, Ted Bambakidis, Patrick Schober, Hasan B Alam
Traumatic brain injury (TBI) is a leading cause of death in young adults, and effective treatment strategies have the potential to save many lives. TBI results in coagulopathy, endothelial dysfunction, inflammation, cell death, and impaired epigenetic homeostasis, ultimately leading to morbidity and/or mortality. Commonly used resuscitation fluids such as crystalloids or colloids have several disadvantages and might even be harmful when administered in large quantities. There is a need for next-generation treatment strategies (especially in the prehospital setting) that minimize cellular damage, improve survival, and enhance neurological recovery...
July 25, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28742121/correction-relationship-of-mechanical-impact-magnitude-to-neurologic-dysfunction-severity-in-a-rat-traumatic-brain-injury-model
#17
Tsung-Hsun Hsieh, Jing-Wei Kang, Jing-Huei Lai, Ying-Zu Huang, Alexander Rotenberg, Kai-Yun Chen, Jia-Yi Wang, Shu-Yen Chan, Shih-Ching Chen, Yung-Hsiao Chiang, Chih-Wei Peng
[This corrects the article DOI: 10.1371/journal.pone.0178186.].
2017: PloS One
https://www.readbyqxmd.com/read/28741437/traumatic-brain-injury-in-a-community-based-cohort-of-homeless-and-vulnerably-housed-individuals
#18
Toby Schmitt, Allen Thornton, Iris Rawtaer, Alasdair Barr, Kristina Gicas, Donna Lang, Talia Vertinsky, Alexander Rauscher, Ric Procyshyn, Tari Buchanan, Alex Cheng, Sarah Mackay, Olga Leonova, Verena Langheimer, Thalia Field, Manraj K S Heran, Fidel Vila-Rodriguez, Tiffany-Anne O'Connor, William MacEwan, William Honer, William Panenka
We characterized traumatic brain injury (TBI) and studied its associations with mental and physical health in a community cohort of homeless and vulnerably-housed individuals. METHODS: Detailed mental and physical health structured interviews, neuropsychological testing, and multimodal MRI were performed on 283 participants. Two traumatic brain injury (TBI) participant groups were defined for primary analyses: those with a self-reported history of TBI and those with MRI evidence of TBI...
July 25, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28740480/cerebrospinal-fluid-and-microdialysis-cytokines-in-severe-traumatic-brain-injury-a-scoping-systematic-review
#19
REVIEW
Frederick A Zeiler, Eric Peter Thelin, Marek Czosnyka, Peter J Hutchinson, David K Menon, Adel Helmy
OBJECTIVE: To perform two scoping systematic reviews of the literature on cytokine measurement in: 1. cerebral microdialysis (CMD) and 2. cerebrospinal fluid (CSF) in severe traumatic brain injury (TBI) patients. METHODS: Two separate systematic reviews were conducted: one for CMD cytokines and the second for CSF cytokines. Both were conducted in severe TBI (sTBI) patients only. DATA SOURCES: Articles from MEDLINE, BIOSIS, EMBASE, Global Health, Scopus, Cochrane Library (inception to October 2016), reference lists of relevant articles, and gray literature were searched...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28739518/traumatic-brain-injury-and-mood-stabilizers-recent-cumulative-evidence
#20
Leonardo C Welling, Mariana S Welling, Eberval G Figueiredo
No abstract text is available yet for this article.
July 21, 2017: World Neurosurgery
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