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Moderate traumatic brain injury

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https://www.readbyqxmd.com/read/28323659/stimulus-induced-rhythmic-periodic-or-ictal-discharges-in-coma-incidence-and-interrater-reliability-of-continuous-eeg-after-a-standard-stimulation-protocol-a-prospective-study
#1
Khalid A Alsherbini, Joao Mc-OʼNeil Plancher, David M Ficker, Brandon P Foreman, Opeolu M Adeoye, Jun Ying, Michael D Privitera
PURPOSE: Stimulus-induced rhythmic, periodic, or ictal discharges (SIRPIDs) are often seen during continuous electroencephalographic (cEEG) monitoring in coma. Given their uncertain clinical significance, our prospective study evaluated incidence of SIRPIDs in comatose patients in the neuroscience intensive care unit (NSICU) who underwent a standard stimulation protocol and defined interreader reliability for cEEG. METHODS: Of 146 patients prospectively screened who underwent cEEG during a 6-month period, 53 patients were included and 93 patients were excluded...
March 17, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28315455/7-8-dihydroxyflavone-facilitates-the-action-exercise-to-restore-plasticity-and-functionality-implications-for-early-brain-trauma-recovery
#2
Gokul Krishna, Rahul Agrawal, Yumei Zhuang, Zhe Ying, Afshin Paydar, Neil G Harris, Luiz Fernando F Royes, Fernando Gomez-Pinilla
Metabolic dysfunction accompanying traumatic brain injury (TBI) severely impairs the ability of injured neurons to comply with functional demands. This limits the success of rehabilitative strategies by compromising brain plasticity and function, and highlights the need for early interventions to promote energy homeostasis. We sought to examine whether the TrkB agonist, 7,8-dihydroxyflavone (7,8-DHF) normalizes brain energy deficits and restablishes more normal patterns of functional connectivity, while enhancing the effects of exercise during post-TBI period...
March 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28314375/inter-subject-variability-of-axonal-injury-in-diffuse-traumatic-brain-injury
#3
Jeffrey B Ware, Tessa Hart, John Whyte, Amanda Rabinowitz, John A Detre, Junghoon Kim
Traumatic brain injury (TBI) is a leading cause of cognitive morbidity worldwide, for which reliable biomarkers are needed. Diffusion tensor imaging (DTI) is a promising biomarker of traumatic axonal injury (TAI), however existing studies have been limited by a primary reliance upon group-level analytic methods not well-suited to account for inter-subject variability. In this study, 42 adults with TBI of at least moderate severity were examined 3 months following injury and compared to 35 healthy controls. DTI data was used for both traditional group-level comparison as well as subject-specific analysis using the distribution-corrected Z-score (DisCo-Z) approach...
March 17, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28298549/diverging-white-matter-trajectories-in-children-after-traumatic-brain-injury-the-rapbi-study
#4
Emily L Dennis, Faisal Rashid, Monica U Ellis, Talin Babikian, Roza M Vlasova, Julio E Villalon-Reina, Yan Jin, Alexander Olsen, Richard Mink, Christopher Babbitt, Jeffrey Johnson, Christopher C Giza, Paul M Thompson, Robert F Asarnow
OBJECTIVE: To examine longitudinal trajectories of white matter organization in pediatric moderate/severe traumatic brain injury (msTBI) over a 12-month period. METHODS: We studied 21 children (16 M/5 F) with msTBI, assessed 2-5 months postinjury and again 13-19 months postinjury, as well as 20 well-matched healthy control children. We assessed corpus callosum function through interhemispheric transfer time (IHTT), measured using event-related potentials, and related this to diffusion-weighted MRI measures of white matter (WM) microstructure...
March 15, 2017: Neurology
https://www.readbyqxmd.com/read/28296528/the-impact-of-early-hyperglycaemia-on-children-with-traumatic-brain-injury
#5
Yue-Qiang Fu, Shu-Ling Chong, Jan Hau Lee, Cheng-Jun Liu, Sheng Fu, Tsee Foong Loh, Kee Chong Ng, Feng Xu
OBJECTIVE: Hyperglycaemia is common amongst children with traumatic brain injury (TBI). We aim to investigate the association between early hyperglycaemia and poor clinical outcomes in children with moderate to severe TBI. METHODS: We performed a retrospective study in a tertiary paediatric hospital between May 2012 and October 2014 of all patients with TBI who were aged <16 years with a Glasgow Coma Scale (GCS) of ≤13. The primary outcome was death. Secondary outcomes were 14 ventilation-free, 14 paediatric intensive care unit (PICU)-free and 28 hospital-free days...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28294709/cross-lagged-panel-analysis-of-depression-and-behavioral-dysfunction-in-the-first-year-after-moderate-to-severe-traumatic-brain-injury
#6
Shannon B Juengst, John M Myrga, Jesse R Fann, Amy K Wagner
Timely treatment of depression and behavioral dysfunction after moderate-to-severe traumatic brain injury (TBI) could improve health, function, and quality of life. The authors hypothesized that 6-month depression would be the stronger contributor to later depression and behavioral dysfunction in a sample of 88 adults with moderate-to-severe TBI. A structural equation modeling cross-lagged panel analysis, adjusting for all 6-month predictors, revealed that 6-month depression had a stronger relationship to 12-month depression (βstand=0...
March 15, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28294464/assessing-connectivity-related-injury-burden-in-diffuse-traumatic-brain-injury
#7
Berkan Solmaz, Birkan Tunç, Drew Parker, John Whyte, Tessa Hart, Amanda Rabinowitz, Morgan Rohrbach, Junghoon Kim, Ragini Verma
Many of the clinical and behavioral manifestations of traumatic brain injury (TBI) are thought to arise from disruption to the structural network of the brain due to diffuse axonal injury (DAI). However, a principled way of summarizing diffuse connectivity alterations to quantify injury burden is lacking. In this study, we developed a connectome injury score, Disruption Index of the Structural Connectome (DISC), which summarizes the cumulative effects of TBI-induced connectivity abnormalities across the entire brain...
March 15, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28288867/moderate-traumatic-brain-injury-increases-the-vulnerability-to-neurotoxicity-induced-by-systemic-administration-of-6-hydroxydopamine-in-mice
#8
Paulo Alexandre de Oliveira, Juliana Ben, Filipe Carvalho Matheus, Marcelo Liborio Schwarzbold, Eduardo Luiz Gasnhar Moreira, Daniel Rial, Roger Walz, Rui Daniel Prediger
Moderate traumatic brain injury (TBI) might increase the vulnerability to neuronal neurodegeneration, but the basis of such selective neuronal susceptibility has remained elusive. In keeping with the disruption of the blood-brain barrier (BBB) caused by TBI, changes in BBB permeability following brain injury could facilitate the access of xenobiotics into the brain. To test this hypothesis, here we evaluated whether TBI would increase the susceptibility of nigrostriatal dopaminergic fibers to the systemic administration of 6-hydroxydopamine (6-OHDA), a classic neurotoxin used to trigger a PD-like phenotype in mice, but that in normal conditions is unable to cross the BBB...
March 10, 2017: Brain Research
https://www.readbyqxmd.com/read/28278589/assessment-and-treatment-of-mental-fatigue-after-a-traumatic-brain-injury
#9
Birgitta Johansson, Lars Rönnbäck
Mental fatigue is a frequently occurring symptom after mild, moderate or severe traumatic brain injury (TBI). Such mental fatigue may become a long-lasting problem, irrespective of severity and even after recovery from other neurological or psychiatric symptoms. Two characteristics of this mental fatigue are that patients easily become exhausted and there is generally a long recovery time. There is a need to increase knowledge and awareness of mental fatigue as it interferes considerably with work, studies, and social activities...
March 1, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28271316/psychometric-evaluation-of-the-pediatric-and-parent-proxy-patient-reported-outcomes-measurement-information-system-and-the-neurology-and-traumatic-brain-injury-quality-of-life-measurement-item-banks-in-pediatric-traumatic-brain-injury
#10
Hilary Bertisch, Frederick P Rivara, Pamela A Kisala, Jin Wang, Keith Owen Yeates, Dennis Durbin, Mark R Zonfrillo, Michael J Bell, Nancy Temkin, David S Tulsky
PURPOSE: The primary objective is to provide evidence of convergent and discriminant validity for the pediatric and parent-proxy versions of the Patient-Reported Outcomes Measurement Information System (PROMIS) Anxiety, Depression, Anger, Peer Relations, Mobility, Pain Interference, and Fatigue item banks, the Neurology Quality of Life measurement system (Neuro-QOL) Cognition-General Concerns and Stigma item banks, and the Traumatic Brain Injury Quality of Life (TBI-QOL) Executive Function and Headache item banks in a pediatric traumatic brain injury (TBI) sample...
March 7, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28269777/what-is-the-relationship-of-traumatic-brain-injury-to-dementia
#11
Mario F Mendez
There is a long history linking traumatic brain injury (TBI) with the development of dementia. Despite significant reservations, such as recall bias or concluding causality for TBI, a summary of recent research points to several conclusions on the TBI-dementia relationship. 1) Increasing severity of a single moderate-to-severe TBI increases the risk of subsequent Alzheimer's disease (AD), the most common type of dementia. 2) Repetitive, often subconcussive, mild TBIs increases the risk for chronic traumatic encephalopathy (CTE), a degenerative neuropathology...
March 2, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28261150/intranasal-administration-of-the-antisecretory-peptide-af-16-reduces-edema-and-improves-cognitive-function-following-diffuse-traumatic-brain-injury-in-the-rat
#12
Fredrik Clausen, Hans-Arne Hansson, Johan Raud, Niklas Marklund
A synthetic peptide with antisecretory activity, antisecretory factor (AF)-16, improves injury-related deficits in water and ion transport and decreases intracranial pressure after experimental cold lesion injury and encephalitis although its role in traumatic brain injury (TBI) is unknown. AF-16 or an inactive reference peptide was administrated intranasally 30 min following midline fluid percussion injury (mFPI; n = 52), a model of diffuse mild-moderate TBI in rats. Sham-injured (n = 14) or naïve (n = 24) animals were used as controls...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28249827/helsinki-computerized-tomography-scoring-system-can-independently-predict-long-term-outcome-in-traumatic-brain-injury
#13
Shun Yao, Jian Song, Shun Li, Chenglong Cao, Li Fang, Chaohu Wang, Guozheng Xu
OBJECTIVE: The Helsinki computerized tomography (CT) scoring system was developed to predict long-term outcome in patients with traumatic brain injury (TBI) two years ago; however, it has not yet been external validated. This study aimed to determine whether this system could be used as an independent predictor for TBI. METHODS: This retrospective cohort study was performed on 302 consecutive patients with TBI. Univariate and multivariate logistic regressions and receiver operating characteristic (ROC) curve analyses were employed to determine the relationship between initial Helsinki CT scores and mortality and unfavorable neurological outcome at 6 months post-injury...
February 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28249729/both-hemorrhagic-and-non-hemorrhagic-traumatic-mri-lesions-are-associated-with-the-microstructural-damage-of-the-normal-appearing-white-matter
#14
Arnold Toth, Balint Kornyei, Noemi Kovacs, Tamas Rostas, Andras Buki, Tamas Doczi, Peter Bogner, Attila Schwarcz
Traumatic microbleeds (TMBs) and non-hemorrhagic lesions (NHLs) on MRI are regarded as surrogate markers of diffuse axonal injury. However, the actual relation between lesional and diffuse pathology remained unclear, since lesions were related to clinical parameters, largely influenced by extracranial factors. The aim of this study is to directly compare TMBs, NHLs and their regional features with the co-existing diffuse injury of the normal appearing white matter (NAWM) as measured by diffusion tensor imaging (DTI)...
February 27, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28243152/training-driving-ability-in-a-traumatic-brain-injured-individual-using-a-driving-simulator-a-case-report
#15
Sarah Imhoff, Martin Lavallière, Mathieu Germain-Robitaille, Normand Teasdale, Philippe Fait
BACKGROUND: Traumatic brain injury (TBI) causes functional deficits that may significantly interfere with numerous activities of daily living such as driving. We report the case of a 20-year-old woman having lost her driver's license after sustaining a moderate TBI. OBJECTIVE: We aimed to evaluate the effectiveness of an in-simulator training program with automated feedback on driving performance in a TBI individual. METHODS: The participant underwent an initial and a final in-simulator driving assessment and 11 in-simulator training sessions with driving-specific automated feedbacks...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28243098/delirium-after-a-traumatic-brain-injury-predictors-and-symptom-patterns
#16
Jutaporn Maneewong, Benchalak Maneeton, Narong Maneeton, Tanat Vaniyapong, Patrinee Traisathit, Natthanidnan Sricharoen, Manit Srisurapanont
BACKGROUND: Delirium in traumatic brain injury (TBI) is common, may be predictable, and has a multifaceted symptom complex. This study aimed to examine: 1) the sum score of Glasgow Coma Scale (GCS) and if its component scores could predict delirium in TBI patients, and 2) the prominent symptoms and their courses over the first days after TBI. METHODS: TBI patients were recruited from neurosurgical ward inpatients. All participants were hospitalized within 24 hours after their TBI...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28239519/white-matter-integrity-of-the-medial-forebrain-bundle-and-attention-and-working-memory-deficits-following-traumatic-brain-injury
#17
Jacqueline A Owens, Gershon Spitz, Jennie L Ponsford, Alicia R Dymowski, Nicholas Ferris, Catherine Willmott
BACKGROUND AND OBJECTIVE: The medial forebrain bundle (MFB) contains ascending catecholamine fibers that project to the prefrontal cortex (PFC). Damage to these fibers following traumatic brain injury (TBI) may alter extracellular catecholamine levels in the PFC and impede attention and working memory ability. This study investigated white matter microstructure of the medial MFB, specifically the supero-lateral branch (slMFB), following TBI, and its association with performance on attention and working memory tasks...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28228155/catecholamines-as-outcome-markers-in-isolated-traumatic-brain-injury-the-coma-tbi-study
#18
Sandro B Rizoli, Blessing N R Jaja, Alex P Di Battista, Shawn G Rhind, Antonio Capone Neto, Leodante da Costa, Kenji Inaba, Luis Teodoro da Luz, Bartolomeu Nascimento, Adic Perez, Andrew J Baker, Airton Leonardo de Oliveira Manoel
BACKGROUND: Elevated catecholamine levels might be associated with unfavorable outcome after traumatic brain injury (TBI). We investigated the association between catecholamine levels in the first 24 h post-trauma and functional outcome in patients with isolated moderate-to-severe TBI. METHODS: A cohort of 174 patients who sustained isolated blunt TBI was prospectively enrolled from three Level-1 Trauma Centers. Epinephrine (Epi) and norepinephrine (NE) concentrations were measured at admission (baseline), 6, 12 and 24 h post-injury...
February 23, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28222560/depression-following-traumatic-brain-injury-impact-on-post-hospital-residential-rehabilitation-outcomes
#19
Frank D Lewis, Gordon J Horn
BACKGROUND: A need exists to better understand the impact of depression on functional outcomes following TBI. OBJECTIVES: To evaluate the prevalence and severity of depression among a large group of chronic TBI adults; to determine the impact of depression on outcomes of post-hospital residential rehabilitation programs; and to assess effectiveness of post-hospital residential rehabilitation programs in treating depression. METHODS: 820 adults with moderate to severe traumatic brain injury (TBI) were assigned to one of four groups based on MPAI- 4 depression ratings: (1) Not Depressed, (2) Mildly Depressed, (3) Moderately Depressed, and (4) Severely Depressed...
February 8, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28215191/is-computerized-cognitive-testing-useful-in-children-and-adolescents-with-moderate-to-severe-traumatic-brain-injury
#20
Vickie Plourde, Brian L Brooks
OBJECTIVES: Children and adolescents with moderate-to-severe traumatic brain injury (TBI) present with short and long-term neuropsychological deficits following their injury. The aim of this study was to investigate the utility of a brief computerized test battery for evaluating cognitive functioning sub-acutely following a TBI. METHODS: Participants (n=33) sustained a moderate-to-severe TBI, were between 8 and 18 years old, and were assessed using CNS Vital Signs (CNSVS) within 6 months post-injury (median=0...
February 20, 2017: Journal of the International Neuropsychological Society: JINS
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