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Mild traumatic brain injury

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https://www.readbyqxmd.com/read/28343797/early-brain-edema-is-a-predictor-of-in-hospital-mortality-in-traumatic-brain-injury
#1
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
#2
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/28343409/development-of-a-prediction-model-for-post-concussive-symptoms-following-mild-traumatic-brain-injury-a-track-tbi-pilot-study
#3
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/28340601/rantes-levels-in-peripheral-blood-csf-and-contused-brain-tissue-as-a-marker-for-outcome-in-traumatic-brain-injury-tbi-patients
#4
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/28338593/clinical-correlates-to-assist-with-cte-diagnosis-insights-from-a-novel-rodent-repeat-concussion-model
#5
Gretchen M Thomsen, Ara Ko, Megan Y Harada, Annie Ma, Livia Wyss, Patricia Haro, Jean-Philippe Vit, Pablo Avalos, Navpreet Dhillon, Noell Cho, Oksana Shelest, Eric J Ley
INTRODUCTION: Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease linked to repetitive head injuries. CTE symptoms include changes in mood, behavior, cognition and motor function, however CTE is only currently diagnosed post-mortem. Using a rat model of recurrent traumatic brain injury (TBI) we demonstrate rodent deficits that predict the severity of CTE-like brain pathology. METHODS: Bilateral, closed skull, mild TBI was administered once per week to 35 WT rats, 8 rats received 2 injuries ('2xTBI'), 27 rats received 5 injuries ('5xTBI') and 13 rats were sham controls...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28337734/diffusion-tensor-imaging-dti-findings-in-adult-civilian-military-and-sport-related-mild-traumatic-brain-injury-mtbi-a-systematic-critical-review
#6
Breton Michael Asken, Steven T DeKosky, James R Clugston, Michael S Jaffee, Russell M Bauer
This review seeks to summarize diffusion tensor imaging (DTI) studies that have evaluated structural changes attributed to the mechanisms of mild traumatic brain injury (mTBI) in adult civilian, military, and athlete populations. Articles from 2002 to 2016 were retrieved from PubMed/MEDLINE, EBSCOhost, and Google Scholar, using a Boolean search string containing the following terms: "diffusion tensor imaging", "diffusion imaging", "DTI", "white matter", "concussion", "mild traumatic brain injury", "mTBI", "traumatic brain injury", and "TBI"...
March 24, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28336445/mortality-associated-characteristics-of-traumatic-brain-injury-patients-at-the-university-teaching-hospital-of-kigali-rwanda
#7
Elizabeth Krebs, Charles J Gerardo, Lawrence P Park, Joao Ricardo Nickenig Vissoci, Jean Claude Byiringiro, Fidele Byiringiro, Stephen Rulisa, Nathan Thielman, Catherine Staton
OBJECTIVE: Traumatic Brain Injury (TBI) is a leading cause of death and disability. TBI patients in low and middle- income countries have worse outcomes than those in high-income countries. We aimed to evaluate important clinical indicators associated with mortality for TBI patients at the University Teaching Hospital of Kigali (UTHK) Kigali, Rwanda. METHODS: Prospective consecutive sampling of TBI patients presenting to UTHK Accident and Emergency Department were screened for inclusion criteria: reported head trauma, alteration in consciousness, headache, or visible head trauma...
March 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28335673/modifiable-risk-factors-for-delirium-in-critically-ill-trauma-patients
#8
Marc-Alexandre Duceppe, David R Williamson, Audrée Elliott, Mélissa Para, Marie-Christine Poirier, Marie-Soleil Delisle, Dan Deckelbaum, Tarek Razek, Monique Desjardins, Jean-Claude Bertrand, Francis Bernard, Philippe Rico, Lisa Burry, Anne Julie Frenette, Marc Perreault
OBJECTIVE: Intensive care unit (ICU)-acquired delirium has been associated with increased morbidity and mortality. Prevention strategies including modification of delirium risk factors are emphasized by practice guidelines. No study has specifically evaluated modifiable delirium risk factors in trauma ICU patients. Our goal was to evaluate modifiable risk factors for delirium among trauma patients admitted to the ICU. DESIGN: Prospective observational study. SETTING: Two level 1 trauma ICU centers...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28335664/cognitive-behavioral-intervention-compared-to-telephone-counselling-early-after-mild-traumatic-brain-injury-a-randomized-trial
#9
Myrthe Elisabeth Scheenen, Annemarie Cecile Visser-Keizer, Myrthe Elisabeth de Koning, Harm Jan van der Horn, Peter van de Sande, Marlies Elisabeth van Kessel, Joukje van der Naalt, Jacoba M Spikman
Many patients do not return to work (RTW) following mild Traumatic Brain Injury (mTBI) due to persistent complaints that are often resistant to therapy in the chronic phase. Recent studies suggest that psychological interventions should be implemented early after injury to prevent patients from developing chronic complaints. This study is a randomized controlled trial which examines the effectiveness of a newly developed CBT intervention (CBTi) compared to telephonic counseling (TC) in at risk mTBI patients (patients with high reports of early complaints)...
March 23, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28334184/mild-traumatic-brain-injury-induces-structural-and-functional-disconnection-of-local-neocortical-inhibitory-networks-via-parvalbumin-interneuron-diffuse-axonal-injury
#10
Michal Vascak, Xiaotao Jin, Kimberle M Jacobs, John T Povlishock
Diffuse axonal injury (DAI) plays a major role in cortical network dysfunction posited to cause excitatory/inhibitory imbalance after mild traumatic brain injury (mTBI). Current thought holds that white matter (WM) is uniquely vulnerable to DAI. However, clinically diagnosed mTBI is not always associated with WM DAI. This suggests an undetected neocortical pathophysiology, implicating GABAergic interneurons. To evaluate this possibility, we used mild central fluid percussion injury to generate DAI in mice with Cre-driven tdTomato labeling of parvalbumin (PV) interneurons...
March 4, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28329183/remote-traumatic-brain-injury-is-associated-with-motor-dysfunction-in-older-military-veterans
#11
Raquel C Gardner, Carrie B Peltz, Kimbra Kenney, Kenneth E Covinsky, Ramon Diaz-Arrastia, Kristine Yaffe
Background: Traumatic brain injury (TBI) has been identified as a risk factor for Parkinson's disease (PD). Motor dysfunction among TBI-exposed elders without PD has not been well characterized. We sought to determine whether remote TBI is a risk factor for motor dysfunction on exam and functionally relevant motor dysfunction in day-to-day life among independently living elders without PD. Methods: This is a cross-sectional cohort study of independently living retired military veterans aged 50 or older with (n = 78) and without (n = 85) prior TBI-all without diagnosed PD...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28325461/neurocritical-care-of-acute-subdural-hemorrhage
#12
REVIEW
Fawaz Al-Mufti, Stephan A Mayer
Although urgent surgical hematoma evacuation is necessary for most patients with subdural hematoma (SDH), well-orchestrated, evidenced-based, multidisciplinary, postoperative critical care is essential to achieve the best possible outcome. Acute SDH complicates approximately 11% of mild to moderate traumatic brain injuries (TBIs) that require hospitalization, and approximately 20% of severe TBIs. Acute SDH usually is related to a clear traumatic event, but in some cases can occur spontaneously. Management of SDH in the setting of TBI typically conforms to the Advanced Trauma Life Support protocol with airway taking priority, and management breathing and circulation occurring in parallel rather than sequence...
April 2017: Neurosurgery Clinics of North America
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
#13
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/28323180/early-and-severe-symptomatic-cerebral-vasospasm-after-mild-traumatic-brain-injury-case-report
#14
Kyle Ogami, Melissa Dofredo, Asma M Moheet, Shouri Lahiri
BACKGROUND: Symptomatic cerebral vasospasm has been reported in a low percentage of patients with moderate or severe traumatic brain injury as defined by Glasgow Coma Score (GCS). Here, we present case of mild traumatic brain injury (GCS 14) complicated by early and severe symptomatic cerebral vasospasm. CASE DESCRIPTION: A 63-year-old female was admitted following mild traumatic brain injury with a Glasgow Coma Score of 14. Concurrent with the onset of sonographic vasospasm, the patient developed severe neurological symptoms consistent with ischemia of the left middle cerebral artery territory...
March 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28322622/central-nervous-system-changes-induced-by-underbody-blast-induced-hyperacceleration-an-in-vivo-diffusion-tensor-imaging-and-magnetic-resonance-spectroscopy-study
#15
Shiyu Tang, Su Xu, William L Fourney, Ulrich H Leiste, Julie L Proctor, Gary Fiskum, Rao P Gullapalli
Blast-related traumatic brain injury (bTBI) resulting from improvised explosive devices is the hallmark injury of recent wars, and affects many returning veterans who experienced either direct or indirect exposure. Many of these veterans have long-term neurocognitive symptoms. However, there is very little evidence to show whether blast-induced acceleration alone, in the absence of secondary impacts, can cause mild TBI. In this study, we examine the effect of under-vehicle blast-induced hyperacceleration (uBIH) of ∼1700 g on the biochemical and microstrucutral changes in the brain using diffusion tensor imaging (DTI) and magnetic resonance spectroscopy (MRS)...
March 21, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28321191/palmitoylethanolamide-reduces-neuropsychiatric-behaviors-by-restoring-cortical-electrophysiological-activity-in-a-mouse-model-of-mild-traumatic-brain-injury
#16
Francesca Guida, Serena Boccella, Monica Iannotta, Danilo De Gregorio, Catia Giordano, Carmela Belardo, Rosaria Romano, Enza Palazzo, Maria A Scafuro, Nicola Serra, Vito de Novellis, Francesco Rossi, Sabatino Maione, Livio Luongo
Traumatic brain injury (TBI) represents a major public health problem, which is associated with neurological dysfunction. In severe or moderate cases of TBI, in addition to its high mortality rate, subjects may encounter diverse behavioral dysfunctions. Previous reports suggest that an association between TBI and chronic pain syndromes tends to be more common in patients with mild forms of brain injury. Despite causing minimal brain damage, mild TBI (mTBI) often leads to persistent psychologically debilitating symptoms, which can include anxiety, various forms of memory and learning deficits, and depression...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28319479/brainstem-evoked-potential-indices-of-subcortical-auditory-processing-after-mild-traumatic-brain-injury
#17
Kathy R Vander Werff, Brian Rieger
OBJECTIVES: The primary aim of this study was to assess subcortical auditory processing in individuals with chronic symptoms after mild traumatic brain injury (mTBI) by measuring auditory brainstem responses (ABRs) to standard click and complex speech stimuli. Consistent with reports in the literature of auditory problems after mTBI (despite normal-hearing thresholds), it was hypothesized that individuals with mTBI would have evidence of impaired neural encoding in the auditory brainstem compared to noninjured controls, as evidenced by delayed latencies and reduced amplitudes of ABR components...
March 17, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28316248/assessing-the-impact-of-post-traumatic-stress-symptoms-on-resting-state-function-networks-in-a-military-chronic-mild-traumatic-brain-injury-sample
#18
Dominic E Nathan, Julie F Bellgowan, Louis M French, Jonathan P Wolf, Terry Oakes, Jeannine B Mielke, Elyssa B Sham, Wei Liu, Gerard Riedy
The relationship between post traumatic stress disorder (PTSD) and chronic symptoms of mild traumatic brain injury (mTBI) is difficult to discern and poorly understood. An accurate differential diagnosis, assessment and treatment of mTBI and PTSD is challenging due to significant symptom overlap and the absence of clearly established biomarkers. The objective of this work is to examine how post traumatic stress influences task-free brain networks in chronic mTBI subjects. Control subjects (N=44) were compared with chronic mTBI subjects with low (N=58, PCLC total<30), medium (N=124, PCLC total = 31-49) and high (N=105, PCLC total ≥ 60) post traumatic stress symptoms (PTSS)...
March 19, 2017: Brain Connectivity
https://www.readbyqxmd.com/read/28314984/substance-use-criminal-behaviour-and-psychiatric-symptoms-following-childhood-traumatic-brain-injury-findings-from-the-alspac-cohort
#19
Eleanor Kennedy, Jon Heron, Marcus Munafò
Recent research suggests a link between traumatic brain injury (TBI) in youth and later risk behaviour. We explored the association between mild TBI and psychiatric symptoms, substance use and criminal behaviour using data from a longitudinal birth cohort. Participants with mild TBI (n = 800), orthopaedic injuries (n = 2305) and no injuries (n = 8307) were identified from self and parent reports up to age 16 years. Self-report measures of substance use (alcohol, tobacco and cannabis) and criminal behaviours, and parent-reported psychiatric symptoms were collected at age 17 years...
March 17, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28314863/mild-traumatic-brain-injury-in-soldiers-returning-from-combat
#20
Erin D Bigler, Jack W Tsao
No abstract text is available yet for this article.
March 17, 2017: Neurology
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