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Sports related concussion

Andreas Ströhle
Sports psychiatry has developed for the past 3 decades as an emerging field within psychiatry and sports medicine. An International society has been established in 1994 and also national interest groups were implemented, mostly within the national organizations for psychiatry, some also containing the topic of exercise treatment of mental disorders. Where are we now 30 years later? We systematically but also selectively review the medical literature on exercise, sport, psychiatry, mental health and mental disorders and related topics...
March 21, 2018: European Archives of Psychiatry and Clinical Neuroscience
Nathan W Churchill, Michael G Hutchison, Simon J Graham, Tom A Schweizer
Concussion is associated with significant adverse effects within the first week post-injury, including physical complaints and altered cognition, sleep and mood. It is currently unknown whether these subjective disturbances have reliable functional brain correlates. Resting-state functional magnetic resonance imaging (rs-fMRI) has been used to measure functional connectivity of individuals after traumatic brain injury, but less is known about the relationship between functional connectivity and symptom assessments after a sport concussion...
2018: NeuroImage: Clinical
Breton M Asken, Russell M Bauer, Kevin M Guskiewicz, Michael A McCrea, Julianne D Schmidt, Christopher C Giza, Aliyah R Snyder, Zachary M Houck, Anthony P Kontos, Thomas W McAllister, Steven P Broglio, James R Clugston, Scott Anderson, Jeff Bazarian, Alison Brooks, Thomas Buckley, Sara Chrisman, Michael Collins, John DiFiori, Stefan Duma, Brian Dykhuizen, James T Eckner, Luis Feigenbaum, April Hoy, Louise Kelly, T Dianne Langford, Laura Lintner, Gerald McGinty, Jason Mihalik, Christopher Miles, Justus Ortega, Nicholas Port, Margot Putukian, Steve Rowson, Steven Svoboda
BACKGROUND: Timely removal from activity after concussion symptoms remains problematic despite heightened awareness. Previous studies indicated potential adverse effects of continuing to participate in physical activity immediately after sustaining a concussion. Hypothesis/Purpose: The purpose was to determine the effect of timing of removal from play after concussion on clinical outcomes. It was hypothesized that immediate removal from activity after sport-related concussion (SRC) would be associated with less time missed from sport, a shorter symptomatic period, and better outcomes on acute clinical measures...
March 1, 2018: American Journal of Sports Medicine
James T Eckner, Alireza Goshtasbi, Kayla Curtis, Aliaksandra Kapshai, Erik Myyra, Lea M Franco, Michael Favre, Jon A Jacobson, James A Ashton-Miller
Greater neck girth and strength may be associated with a lower risk of sport-related concussion due to mitigation of head accelerations by the neck. However, neck strengthening exercise remains unstudied in youth athletes. Therefore, this pilot study assessed the feasibility and effect of targeted neck strengthening exercises in youth athletes. Seventeen participants were allocated to perform 8-wk manual resistance-based neck strengthening (n = 13) or control resistance exercise (n = 4) programs. Before and after the intervention, participants completed laboratory-based assessments of neck size, strength, and head kinematics during standardized test loading in each plane of motion...
April 2018: American Journal of Physical Medicine & Rehabilitation
William T Tsushima, Andrea M Siu, Hyeong Jun Ahn, Bolin L Chang, Nathan M Murata
Objective: This study was designed to determine concussion incidence, risk, and relative risk among middle and high school athletes participating in various sports. Method: Data were retrospectively obtained from 10,334 athletes of 12 different sports in Hawaii. In addition to determining the overall concussion incidence, comparisons of incidence, risk, and relative risk were made according to age, sex, concussion history, sport, and football position. Results: The overall incidence of concussion among youth athletes was 1,250 (12...
March 15, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
Damien J Lazar, Jonathan D Lichtenstein, David J Tybor
Background: Ultimate Frisbee (ultimate) is a fast-growing, popular sport played nationally by over 4 million athletes. While several studies have examined injury rates in ultimate, no work has investigated the prevalence of concussions specifically or players' knowledge and management of those injuries. Purpose: To estimate the lifetime prevalence of concussions in ultimate and to assess players' knowledge of concussions as well as their concussion management behaviors...
March 2018: Orthopaedic Journal of Sports Medicine
Cindy Lin, Ellen Casey, Daniel Herman, Nicole Katz, Adam Tenforde
Common sports injuries include bone stress injuries (BSI), anterior cruciate ligament injuries (ACL), and concussions. Less commonly recognized are the specific sex differences in epidemiology, risk factors, and outcomes of these conditions by sex. An understanding of these factors can improve their clinical management, from prescribing appropriate prehabilitation to guiding post injury rehabilitation and return to play. This narrative review summarizes the sex differences in the diagnosis and management of BSI, ACL injuries, and concussions...
March 14, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
Richard G Ellenbogen, Hunt Batjer, Javier Cardenas, Mitchel Berger, Julian Bailes, Elizabeth Pieroth, Robert Heyer, Nicholas Theodore, Wellington Hsu, Elizabeth Nabel, Joe Maroon, Robert Cantu, Ronnie Barnes, James Collins, Margot Putukian, Russell Lonser, Gary Solomon, Allen Sills
One of the National Football League's (NFL) Head, Neck and Spine Committee's principal goals is to create a 'best practice' protocol for concussion diagnosis and management for its players. The science related to concussion diagnosis and management continues to evolve, thus the protocol has evolved contemporaneously. The Fifth International Conference on Concussion in Sport was held in Berlin in 2016, and guidelines for sports concussion diagnosis and management were revised and refined. The NFL Head, Neck and Spine Committee has synthesised the most recent empirical evidence for sports concussion diagnosis and management including the Berlin consensus statement and tailored it to the game played in the NFL...
March 16, 2018: British Journal of Sports Medicine
Betty Kollia, Corey H Basch, Christina Mouser, Aurea J Deleon
Background: Considering how many people obtain information about their health online, the aim of this study was to describe the content of the currently most widely viewed YouTube videos related to concussions and to test the hypothesis that consumer videos would be anecdotal, while other sources would be more informational. Methods: The term "concussion" was used to search for videos with 100,000 or more views on YouTube that were posted in English or Spanish...
2018: International Journal of Preventive Medicine
Gary Solomon
My objectives are to review: 1) a brief history of sport-related concussion (SRC) and chronic traumatic encephalopathy (CTE), 2) the evolution of CTE in American professional football, 3) the data regarding SRC/CTE as they relate to depression and suicide, 4) the data on the neurocognitive effects of subconcussion/repetitive head trauma (with emphases on heading the ball in soccer and early exposure to football), 5) the evidence related to SRC and neurodegenerative diseases, 6) the published studies of CTE, 7) the NINDS neuropathological criteria for CTE, 8) public beliefs about SRC/CTE, and 9) the scientific questions regarding CTE...
March 13, 2018: Developmental Neuropsychology
Christopher A Abeare, Isabelle Messa, Brandon G Zuccato, Bradley Merker, Laszlo Erdodi
Importance: Estimated base rates of invalid performance on baseline testing (base rates of failure) for the management of sport-related concussion range from 6.1% to 40.0%, depending on the validity indicator used. The instability of this key measure represents a challenge in the clinical interpretation of test results that could undermine the utility of baseline testing. Objectives: To determine the prevalence of invalid performance on baseline testing and to assess whether the prevalence varies as a function of age and validity indicator...
March 12, 2018: JAMA Neurology
Doug King, Patria A Hume, Natalie Hardaker, Cloe Cummins, Conor Gissane, Trevor Clark
OBJECTIVES: To provide epidemiological data and related costs for sport-related injuries of five sporting codes (cricket, netball, rugby league, rugby union and football) in New Zealand for moderate-to-serious and serious injury claims. METHODS: A retrospective analytical review using detailed descriptive epidemiological data obtained from the Accident Compensation Corporation (ACC) for 2012-2016. RESULTS: Over the 5 years of study data, rugby union recorded the most moderate-to-serious injury entitlement claims (25 226) and costs (New Zealand dollars (NZD$)267 359 440 (£139 084 749)) resulting in the highest mean cost (NZD$10 484 (£5454)) per moderate-to-serious injury entitlement claim...
March 12, 2018: British Journal of Sports Medicine
Jonathan M Oliver, Anthony J Anzalone, Margaret T Jones, K Michele Kirk, David A Gable, Yanqin Gao, William S Harris, Henrik Zetterberg
No abstract text is available yet for this article.
March 2018: Current Sports Medicine Reports
Cecilia Davis-Hayes, David R Baker, Thomas S Bottiglieri, William N Levine, Natasha Desai, James D Gossett, James M Noble
Purpose of review: In patients with a considerable history of sports-related concussion, the decision of when to discontinue participation in sports due to medical concerns including neurologic disorders has potentially life-altering consequences, especially for young athletes, and merits a comprehensive evaluation involving nuanced discussion. Few resources exist to aid the sports medicine provider. Recent findings: In this narrative review, we describe 10 prototypical vignettes based upon the authors' collective experience in concussion management and propose an algorithm to help clinicians navigate retirement discussions...
February 2018: Neurology. Clinical Practice
Ryan N Moran, Tracey Covassin, R J Elbin, Dan Gould, Sally Nogle
BACKGROUND: The Vestibular/Ocular Motor Screening (VOMS) measure is a newly developed vestibular and ocular motor symptom provocation screening tool for sport-related concussions. Baseline data, psychometric properties, and reliability of the VOMS are needed to further understand the applications of this tool, especially in the youth population, where research is scarce. PURPOSE: The purpose of this study was to establish normative data and document the internal consistency and false-positive rate of the VOMS in a sample of nonconcussed youth athletes...
March 1, 2018: American Journal of Sports Medicine
Laura K Purcell, Gavin A Davis, Gerard A Gioia
OBJECTIVE: To evaluate the evidence regarding (1) factors affecting return to school (RTS) and (2) strategies/accommodations for RTS following a sport-related concussion (SRC) in children and adolescents. DESIGN: A systematic review of original studies specifically addressing RTS following concussion in the paediatric and sporting context. DATA SOURCES: MEDLINE (Ovid), Embase (Ovid), PsycInfo (Ovid) electronic databases and the grey literature OpenGrey, ClinicalTrials...
March 2, 2018: British Journal of Sports Medicine
Barry P Katz, Maria Kudela, Jaroslaw Harezlak, Michael McCrea, Thomas McAllister, Steven P Broglio
BACKGROUND: Sport-related concussion and repetitive head impact exposure in contact sports continue to receive increased attention in public and medical spheres. The Concussion Assessment, Research and Education (CARE) Consortium, a multicenter cooperative, was established to study the natural history of concussion in National Collegiate Athletic Association (NCAA) collegiate student-athletes across 29 colleges and universities in the United States. The purpose of this investigation is to provide normative data from the CARE Consortium and evaluate for differences between sport categories...
March 1, 2018: Sports Medicine
Alexander D Wright, Jonathan D Smirl, Kelsey Bryk, Paul van Donkelaar
OBJECTIVE: To determine whether acute sports-related concussion (SRC) exerts differential effects on cerebral autoregulatory properties during systole versus diastole. MATERIALS AND METHODS: One hundred and thirty-six contact-sport athletes tested preseason; 14 sustained a concussion and completed follow-up testing at 72 hours, 2 weeks, and 1 month post-injury. Five minutes of repetitive squat-stand maneuvers induced blood pressure (BP) oscillations at both 0.05 and 0...
2018: Acta Neurochirurgica. Supplement
David Robert Howell, Thomas Buckley, Robert C Lynall, William Meehan
Prior studies suggest that concussion may lead to an increased risk of a subsequent time-loss sport-related injury, but the mechanisms responsible are unknown. We measured the symptom and dual-task gait outcomes for athletes initially post-concussion and after clinical recovery. Participants then self-reported any additional injuries incurred in the year after their concussion. Forty-two athletes (52% female, mean age=16.8±3.2 years) completed the study. They underwent a dual-task gait evaluation and symptom inventory within 21 days post-concussion, and again after they were deemed clinically recovered...
February 28, 2018: Journal of Neurotrauma
Benjamin L Brett, Andrew W Kuhn, Aaron M Yengo-Kahn, Gary S Solomon, Scott L Zuckerman
Objective: The empirical identification of risk factors associated with sport-related concussion (SRC) may improve the management of student-athletes. The current study attempted to identify and quantify bio-cognitive risk factors associated with sustaining a SRC. Methods: Cross-sectional ambispective study; level of evidence, 3. Neurocognitive testing of 12,320 middle school, high school and collegiate athletes was completed at preseason baseline and post-SRC. Univariate and multivariable logistic regressions were used to determine which pre-injury variables accurately predicted the occurrence of SRC...
February 17, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
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