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https://www.readbyqxmd.com/read/28110244/quantification-of-postural-control-deficits-in-patients-with-recent-concussion-an-inertial-sensor-based-approach
#1
Cailbhe Doherty, Liang Zhao, John Ryan, Yusuke Komaba, Akihiro Inomata, Brian Caulfield
BACKGROUND: The aim of this study was to quantify postural control ability in a group with concussion compared with a healthy control group. METHOD: Fifteen concussion patients (4 females, 11 males) and a group of fifteen age- and sex-matched controls were recruited. Participants were tested during the performance of the three stance variants (bilateral, tandem and unilateral) of the balance error scoring system standing on a force place, while wearing an inertial measurement unit placed at the posterior aspect of the sacrum...
January 16, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28107556/do-post-concussion-like-symptom-responses-change-following-exercise-or-sports-participation-in-a-non-concussed-cohort
#2
Arun Prasad Balasundaram, Josie Athens, Anthony G Schneiders, Paul McCrory, S John Sullivan
The purpose of this study were; 1) To determine the reliable change in post concussion-like symptoms reported following self-selected exercise or sports activities. 2) To explore the potential influence of gender and exercise parameters on post concussion-like symptoms reported by a non-concussed cohort following exercise/training. A pre-post observational design was used. A convenience sample of students aged 18-30 years who visited a university recreation centre to engage in their chosen exercise activity, and a purposeful sample of men's and women's rugby union players engaged in their regular training sessions...
January 20, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28107219/do-neurocognitive-scat3-baseline-test-scores-differ-between-footballers-soccer-living-with-and-without-disability-a-cross-sectional-study
#3
Richard Weiler, Willem van Mechelen, Colin Fuller, Osman Hassan Ahmed, Evert Verhagen
OBJECTIVE: To determine if baseline Sport Concussion Assessment Tool, third Edition (SCAT3) scores differ between athletes with and without disability. DESIGN: Cross-sectional comparison of preseason baseline SCAT3 scores for a range of England international footballers. SETTING: Team doctors and physiotherapists supporting England football teams recorded players' SCAT 3 baseline tests from August 1, 2013 to July 31, 2014. PARTICIPANTS: A convenience sample of 249 England footballers, of whom 185 were players without disability (male: 119; female: 66) and 64 were players with disability (male learning disability: 17; male cerebral palsy: 28; male blind: 10; female deaf: 9)...
January 17, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28107218/depression-anxiety-and-alcohol-use-in-elite-rugby-league-players-over-a-competitive-season
#4
Etienne J Du Preez, Kenneth S Graham, Thomas Y Gan, Bassam Moses, Chris Ball, Donald E Kuah
OBJECTIVE: To assess the prevalence of symptoms of depression, anxiety, and rates of alcohol misuse in elite rugby league players in Australasia. DESIGN: A cross-sectional, epidemiological study with repeated measures. SETTING: Surveys were conducted during the 2015 preseason and in-season. PARTICIPANTS: Four hundred four elite rugby league players participated preseason and 278 players in-season. MAIN OUTCOME MEASURES: Symptoms of depression were measured using the Patient Health Questionnaire-9 scale, symptoms of generalized anxiety disorder (GAD) with the GAD-7 scale, and the Alcohol Use Disorders Identification Test Consumption scale was used to assess hazardous alcohol use...
January 17, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28107216/analysis-of-central-and-peripheral-vision-reaction-times-in-patients-with-postconcussion-visual-dysfunction
#5
Joseph F Clark, James K Ellis, Timothy M Burns, John M Childress, Jon G Divine
OBJECTIVE: To determine whether central and peripheral vision reaction times (PVRTs) are prolonged in patients with visual dysfunction after sustaining a concussion. DESIGN: Comparison of Dynavision D2 central and PVRTs in patients with postconcussion visual dysfunction were compared with control data from a normative patient database. Concussion patients without visual dysfunction were not included in this study. SETTING: National Collegiate Athletic Association Division 1 college training room and university based, academic health center...
January 19, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28103876/the-norwegian-version-of-the-qolibri-a-study-of-metric-properties-based-on-a-12%C3%A2-month-follow-up-of-persons-with-traumatic-brain-injury
#6
Helene Lundgaard Soberg, Cecilie Roe, Cathrine Brunborg, Nicole von Steinbüchel, Nada Andelic
BACKGROUND: Consequences after Traumatic brain injury (TBI) affect the injured person's self-image and quality of life. The purpose was to assess the health related quality of life (HRQoL) at 12 months after a TBI in patients admitted to regional trauma centres, and to evaluate the metric properties of the Norwegian version of the Quality of Life After Brain Injury (QOLIBRI) questionnaire. METHODS: Two hundred four patients with TBI of all severities were included...
January 19, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28100448/commentaries-on-viewpoint-tighter-fit-theory-physiologists-explain-why-higher-altitude-and-jugular-occlusion-are-unlikely-to-reduce-risks-for-sports-concussion-and-brain-injuries
#7
Damian M Bailey, Joseph F Clark, Gregory D Myer, Joseph A Fisher, Erik R Swenson, Benjamin S Stacey, James A Smith, Thomas S Owens, Damian M Bailey
No abstract text is available yet for this article.
January 1, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28100103/systematic-review-of-genetic-risk-factors-for-sustaining-a-mild-traumatic-brain-injury
#8
William Panenka, Andrew Gardner, Michael Dretsch, Gogce Crynen, Fiona C Crawford, Grant L Iverson
INTRODUCTION: This systematic review examined the association between genetics and risk for sustaining a traumatic brain injury. METHODS: Articles published in English from 1980 to July 2016 obtained from the online databases PubMed, PsycINFO®, MEDLINE®, EMBASE, and Web of Science. RESULTS: 5,903 articles were identified, 77 underwent full-text screening, and six were included in this review. Five studies examined the risk of concussion associated with Apolipoprotein E alleles (APOE-ε2 ,ε3 ,ε4,), and polymorphisms of the APOE promoter (rs405509), Brain Derived Neurotrophic Factor (BDNF, rs6265), and Dopamine Receptor D2 (DRD2, rs1800497) were each considered in two studies...
January 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28095142/epidemiology-of-national-collegiate-athletic-association-women-s-lacrosse-injuries-2009-10-through-2014-15
#9
Zachary Y Kerr, Andrew E Lincoln, Shane V Caswell, David A Klossner, Nina Walker, Thomas P Dompier
CONTEXT: Participation in collegiate women's lacrosse has increased dramatically, but little recent epidemiological data exists regarding injuries. OBJECTIVE: Describe the epidemiology of National Collegiate Athletic Association (NCAA) women's lacrosse injuries during the 2009-10 through 2014-15 academic years. SETTING: Aggregate injury and exposure data collected from 40 women's lacrosse programs providing 83 team-seasons of data. PATIENTS OR OTHER PARTICIPANTS: Collegiate women's lacrosse student-athletes...
January 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28095109/test-retest-reliability-and-practice-effects-of-the-stability-evaluation-test
#10
Richelle M Williams, Matthew A Corvo, Kenneth C Lam, Travis A Williams, Lesley K Gilmer, Tamara C Valovich McLeod
CONTEXT: Postural control plays an essential role in concussion evaluation. The Stability Evaluation Test (SET) aims to objectively analyze postural control by measuring sway velocity on the NeuroCom's VSR portable force platform (Natus, San Carlos, CA). OBJECTIVE: To assess the test-retest reliability and practice effects of the SET protocol. DESIGN: Cohort. SETTING: Research Laboratory. PATIENTS OR OTHER PARTICIPANTS: Fifty healthy adults (males=20, females=30, age=25...
January 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28095082/effect-of-concussion-on-performance-of-national-football-league-players
#11
Nicole Reams, Rodney A Hayward, Jeffrey S Kutcher, James F Burke
PURPOSE: Lingering neurologic injury after concussion may expose athletes to increased risk if return-to-play is premature. We explored whether on-field performance after concussion is a marker of lingering neurologic injury. METHODS: Retrospective cohort study on 1,882 skill-position players who played in the National Football League (NFL) during 2007-2010. Players with concussion based on the weekly injury report, were compared to players with other head and neck injuries (controls) on measures of on-field performance using Football Outsiders' calculation of Defense-Adjusted Yards Above Replacement (DYAR): a measure of a player's contribution controlling for game context...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28095029/utilization-of-conventional-neuroimaging-following-youth-concussion
#12
Sean C Rose, Caroline E Schaffer, Julie A Young, Kelly A McNally, Anastasia N Fischer, Geoffrey L Heyer
BACKGROUND/OBJECTIVE: Conventional neuroimaging is not recommended for the routine diagnosis of concussion, but some patients with concussion undergo computed tomography (CT) or magnetic resonance imaging (MRI). The objective of this study was to explore the clinical factors that predict neuroimaging utilization in concussion. METHODS: Concussion-related CT and MRI data were analysed from 1953 patients, aged 10-19 years, who presented to a sports concussion clinic within 30 days of injury...
January 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28094682/development-implementation-and-assessment-of-a-concussion-education-programme-for-high-school-student-athletes
#13
Jeffrey G Caron, Scott Rathwell, J Scott Delaney, Karen M Johnston, Alain Ptito, Gordon A Bloom
Although experts have noted that adolescent athletes should be educated about concussions to improve their safety, there is no agreement on the most effective strategy to disseminate concussion education. The purpose of this study was to develop, implement and assess a concussion education programme. More precisely, four interactive oral presentations were delivered to high school student-athletes (N = 35, Mage = 15.94, SD = 0.34) in a large urban centre. Participants completed a questionnaire at three time-points during the season to measure changes in their knowledge (CK) and attitudes (CA) of concussions, and focus group interviews were conducted following the concussion education programme...
January 17, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28093374/predictors-of-pharmacological-intervention-in-adolescents-with-protracted-symptoms-after-sports-related-concussion
#14
Shanti M Pinto, Maria F Twichell, Luke C Henry
BACKGROUND: Though recovery after concussion is spontaneous and typically occurs within two to three weeks, a subset of adolescents develop persistent symptoms after a sports-related concussion. Medications are frequently prescribed as part of a comprehensive treatment approach to alleviate these symptoms; however, there are no guidelines for prescription of pharmacologic therapy after concussion. OBJECTIVE: To investigate common factors that are associated with the use of medications (anti-epileptic, anti-depressant, neurostimulant, or sleeping medication) during recovery from a sports-related concussion...
January 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28092023/white-matter-alterations-in-college-football-players-a-longitudinal-diffusion-tensor-imaging-study
#15
Michael Christian Mayinger, Kian Merchant-Borna, Jakob Hufschmidt, Marc Muehlmann, Isabelle Ruth Weir, Boris-Stephan Rauchmann, Martha Elizabeth Shenton, Inga Katharina Koerte, Jeffrey John Bazarian
The aim of this study was to evaluate longitudinal changes in the diffusion characteristics of brain white matter (WM) in collegiate athletes at three time points: prior to the start of the football season (T1), after one season of football (T2), followed by six months of no-contact rest (T3). Fifteen male collegiate football players and 5 male non-athlete student controls underwent diffusion MR imaging and computerized cognitive testing at all three timepoints. Whole-brain tract-based spatial statistics (TBSS) were used to compare fractional anisotropy (FA), radial diffusivity (RD), axial diffusivity (AD), and trace between all timepoints...
January 14, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28086771/naturalistic-study-of-guideline-implementation-tool-use-via-evaluation-of-website-access-and-physician-survey
#16
Melissa J Armstrong, Gary S Gronseth, Richard Dubinsky, Sonja Potrebic, Rebecca Penfold Murray, Thomas S D Getchius, Carol Rheaume, Anna R Gagliardi
BACKGROUND: Clinical guidelines support decision-making at the point-of-care but the onus is often on individual users such as physicians to implement them. Research shows that the inclusion of implementation tools in or with guidelines (GItools) is associated with guideline use. However, there is little research on which GItools best support implementation by individual physicians. The purpose of this study was to investigate naturalistic access and use of GItools produced by the American Academy of Neurology (AAN) to inform future tool development...
January 13, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28081555/new-zealand-rugby-health-study-motor-cortex-excitability-in-retired-elite-and-community-level-rugby-players
#17
Gwyn N Lewis, Patria A Hume, Verna Stavric, Scott R Brown, Denise Taylor
AIMS: Rugby union is a high contact sport in which players frequently experience brain injuries. Acute brain injury is associated with altered corticomotor function. However, it is uncertain if long-term exposure to rugby is associated with any alterations in corticomotor function. The aim of the study was to assess measures of corticomotor excitability and inhibition in retired rugby players in comparison to retired non-contact sport players. METHODS: The design was a cross-sectional study with three groups of retired athletes: elite rugby (n=23), community level rugby (n=28) and non-contact sport control (n=22)...
January 13, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28079758/concussion-in-ice-hockey-current-gaps-and-future-directions-in-an-objective-diagnosis
#18
Aynsley M Smith, Michael J Stuart, William O Roberts, David W Dodick, Jonathan T Finnoff, Janelle K Jorgensen, David A Krause
OBJECTIVE: This review provides an update on sport-related concussion (SRC) in ice hockey and makes a case for changes in clinical concussion evaluation. Standard practice should require that concussions be objectively diagnosed and provide quantitative measures of the concussion injury that will serve as a platform for future evidence-based treatment. METHODS: The literature was surveyed to address several concussion-related topics: research in ice hockey-related head trauma, current subjective diagnosis, promising components of an objective diagnosis, and current and potential treatments...
January 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28078102/repeated-mild-traumatic-brain-injury-causes-focal-response-in-lateral-septum-and-hippocampus
#19
Rebecca Acabchuk, Denise I Briggs, Mariana Angoa-Pérez, Meghan Powers, Richard Wolferz, Melanie Soloway, Mai Stern, Lillian R Talbot, Donald M Kuhn, Joanne C Conover
AIM: To advance our understanding of regional and temporal cellular responses to repeated mild traumatic brain injury (rmTBI), we used a mouse model of rmTBI that incorporated acceleration, deceleration and rotational forces. MATERIALS & METHODS: A modified weight-drop method was used to compare two inter-injury intervals, rmTBI-short (five hits delivered over 3 days) and rmTBI-long (five hits delivered over 15 days). Regional investigations of forebrain and midbrain histological alterations were performed at three post-injury time points (immediate, 2 weeks and 6 weeks)...
December 2016: Concussion
https://www.readbyqxmd.com/read/28077398/mild-traumatic-brain-injury-is-associated-with-reduced-cortical-thickness-in-those-at-risk-for-alzheimer-s-disease
#20
Jasmeet P Hayes, Mark W Logue, Naomi Sadeh, Jeffrey M Spielberg, Mieke Verfaellie, Scott M Hayes, Andrew Reagan, David H Salat, Erika J Wolf, Regina E McGlinchey, William P Milberg, Annjanette Stone, Steven A Schichman, Mark W Miller
Moderate-to-severe traumatic brain injury is one of the strongest environmental risk factors for the development of neurodegenerative diseases such as late-onset Alzheimer's disease, although it is unclear whether mild traumatic brain injury, or concussion, also confers risk. This study examined mild traumatic brain injury and genetic risk as predictors of reduced cortical thickness in brain regions previously associated with early Alzheimer's disease, and their relationship with episodic memory. Participants were 160 Iraq and Afghanistan War veterans between the ages of 19 and 58, many of whom carried mild traumatic brain injury and post-traumatic stress disorder diagnoses...
January 11, 2017: Brain: a Journal of Neurology
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