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Concussion return to play

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https://www.readbyqxmd.com/read/29885270/inflection-points-in-longitudinal-models-tracking-recovery-and-return-to-play-following-concussion
#1
Lucy Parrington, Nora F Fino, Peter C Fino, Chad F Murchison, James Chesnutt, Laurie A King
The return to play (RTP) process may occur during longitudinal studies tracking recovery after concussion. This factor, which is often omitted within statistical designs, could affect the fit and overall interpretation of the statistical model. This paper demonstrates the difference in results and interpretation between two linear mixed-model designs; 1) a between-group longitudinal (GROUP) analysis; and 2) a between-group longitudinal model that used an inflection point to account for changes around the time of RTP (RTP analysis)...
June 9, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29880474/quantitative-susceptibility-mapping-after-sports-related-concussion
#2
K M Koch, T B Meier, R Karr, A S Nencka, L T Muftuler, M McCrea
BACKGROUND AND PURPOSE: Quantitative susceptibility mapping using MR imaging can assess changes in brain tissue structure and composition. This report presents preliminary results demonstrating changes in tissue magnetic susceptibility after sports-related concussion. MATERIALS AND METHODS: Longitudinal quantitative susceptibility mapping metrics were produced from imaging data acquired from cohorts of concussed and control football athletes. One hundred thirty-six quantitative susceptibility mapping datasets were analyzed across 3 separate visits (24 hours after injury, 8 days postinjury, and 6 months postinjury)...
June 7, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29870281/return-to-play-after-concussion-state-of-knowledge-frequency-of-use-and-application-barriers-of-guidelines-among-decision-makers-in-rugby
#3
Daniel Niederer, Tobias Engeroff, Kevin Lange, Lutz Vogt, Winfried Banzer
Validated strategies and guidelines for a safe and individualized diagnosis and return-to-play (RTP) after concussion in rugby are needed. Little is known about the state of knowledge, frequency of use and application barriers of state-of-the-art guidelines among decision-makers in professional or semi-professional rugby teams. Participants (n = 195) from the coaching team (head coach, assistance coach, athletic coach), the medical team (physiotherapist, physician, rehabilitation therapist, neuropsychologist), or from the officials of a professional or semi-professional rugby team (top three major leagues in Germany), filled in a questionnaire on their knowledge, frequency of use and application barriers of evidence-based guidelines (Graduated RTP protocol and The 5R)...
June 5, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29864036/managing-sports-related-concussions-from-time-of-injury-through-return-to-play
#4
Eric Shirley, L Jared Hudspeth, Jennifer R Maynard
Sports-related concussions continue to generate widespread interest. A concussion is a complex pathophysiologic process, with or without loss of consciousness, that results in a disturbance of brain function. Risk factors include age <18 years, female sex, and history of a previous concussion. A sideline physical examination with standardized assessment tools can assist diagnosis. Management for suspected concussion begins with immediate removal from play and requires clinical follow-up. Symptoms are usually self-limited and resolve within 2 to 3 weeks...
June 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29772943/school-nurses-management-and-collaborative-practices-for-student-athletes-following-sport-related-concussion
#5
Michelle L Weber, Cailee E Welch Bacon, Tamara Valovich McLeod
The purpose of this study was to examine school nurses' management and collaboration with health-care providers (HCPs) for student-athletes following a concussion. Secondary school nurses accessed an online survey titled the Beliefs, Attitudes, and Knowledge of Pediatric Athletes with Concussions (access rate = 15.6%; n = 1,246/8,000). Approximately 40% of schools where nurses were employed administered baseline and postinjury concussion assessments. No significant differences were found between employment model (single vs...
January 1, 2018: Journal of School Nursing: the Official Publication of the National Association of School Nurses
https://www.readbyqxmd.com/read/29706877/perceived-simultaneity-and-temporal-order-of-audiovisual-events-following-concussion
#6
Adrienne Wise, Michael Barnett-Cowan
The central nervous system allows for a limited time span referred to as the temporal binding window (TBW) in order to rapidly determine whether multisensory events correspond with the same event. Failure to correctly identify whether multisensory events occur simultaneously and their sequential order can lead to inaccurate representations of the physical world, poor decision-making and dangerous behavior. Damage to the neural systems that coordinate the relative timing of sensory events may explain some of the long-term consequences associated with concussion...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29648487/bdnf-expression-increases-without-changes-in-play-behavior-following-concussion-in-juvenile-rats-rattus-norvegicus-brief-report
#7
Allison C F Dyck, Tammy L Ivanco
PURPOSE: Young children have a high risk of concussion or mild traumatic brain injury (mTBI). Children often appear healthy soon after mTBI, but some have pervasive cognitive and/or motor impairments. Understanding underlying mechanisms recruited after concussion may help for return to play protocols and mitigating what might be lifelong impairments. METHODS: We investigated molecular and behavioral changes in a rat model of childhood concussion. Rats received an injury or sham procedure at an age approximately equivalent to the human period of early childhood...
April 12, 2018: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/29568786/reconsidering-return-to-play-times-a-broader-perspective-on-concussion-recovery
#8
Christopher D'Lauro, Brian R Johnson, Gerald McGinty, C Dain Allred, Darren E Campbell, Jonathan C Jackson
Background: Return-to-play protocols describe stepwise, graduated recoveries for safe return from concussion; however, studies that comprehensively track return-to-play time are expensive to administer and heavily sampled from elite male contact-sport athletes. Purpose: To retrospectively assess probable recovery time for collegiate patients to return to play after concussion, especially for understudied populations, such as women and nonelite athletes. Study Design: Cohort study; Level of evidence, 3...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29552572/concussion-prevalence-in-competitive-ultimate-frisbee-players
#9
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
https://www.readbyqxmd.com/read/29550413/sex-differences-in-common-sports-injuries
#10
REVIEW
Cindy Lin, Ellen Casey, Daniel Herman, Nicole Katz, Adam Tenforde
Common sports injuries include bone stress injuries (BSIs), anterior cruciate ligament (ACL) injuries, 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 postinjury rehabilitation and return to play. This narrative review summarizes the sex differences in the diagnosis and management of BSIs, ACL injuries, and concussions...
March 14, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29530941/on-average-a-professional-rugby-union-player-is-more-likely-than-not-to-sustain-a-concussion-after-25-matches
#11
James Rafferty, Craig Ranson, Giles Oatley, Mohamed Mostafa, Prabhat Mathema, Tom Crick, Isabel S Moore
OBJECTIVES: To investigate concussion injury rates, the likelihood of sustaining concussion relative to the number of rugby union matches and the risk of subsequent injury following concussion. METHODS: A four-season (2012/2013-2015/2016) prospective cohort study of injuries in professional level (club and international) rugby union. Incidence (injuries/1000 player-match-hours), severity (days lost per injury) and number of professional matches conferring a large risk of concussion were determined...
March 12, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29517389/difficulty-hearing-in-noise-a-sequela-of-concussion-in-children
#12
Elaine C Thompson, Jennifer Krizman, Travis White-Schwoch, Trent Nicol, Cynthia R LaBella, Nina Kraus
OBJECTIVE: Concussions can result in auditory processing deficits even in the absence of hearing loss. In children and adolescents, the extent to which these impairments have functional consequences for everyday listening, such as the ability to understand speech in noisy environments, is unknown. RESEARCH DESIGN: Case-control study. SUBJECTS AND METHODS: Forty youth comprised the participants: 20 had sustained a concussion and were recovering from their injury, and 20 controls had sustained non-concussive orthopaedic (e...
2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29488165/quantifying-the-value-of-multidimensional-assessment-models-for-acute-concussion-an-analysis-of-data-from-the-ncaa-dod-care-consortium
#13
Gian-Gabriel P Garcia, Steven P Broglio, Mariel S Lavieri, Michael McCrea, Thomas McAllister
BACKGROUND: Many concussion assessment methods exist, but few studies quantify the performance of these methods to determine which can best assess acute concussion alone or in combination. OBJECTIVES: The objectives of this study were to evaluate: (1) selected concussion assessments for acute concussion assessment; (2) the utility of change scores for acute concussion assessment; and (3) concussion assessment capabilities when constrained to limited clinical data or objective clinical measures...
February 27, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29465268/convergent-and-discriminant-validity-of-the-immediate-postconcussion-assessment-and-cognitive-testing-battery-impact-in-young-athletes
#14
Lisa M Koehl, Brittany D Walls, Stacey L Brothers, Sarah N Morris, Amanda C Glueck, Frederick A Schmitt, David T R Berry, Dong Y Han
Sports concussions are recognized as significant injuries among young athletes. Research demonstrates that return-to-play prior to becoming asymptomatic has significant repercussions including sustained cognitive deficits. Many programs have begun to use computerized testing rather than traditional neuropsychological tests to (a) determine baseline performance, (b) track symptoms, and (c) measure symptoms following concussion. Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) is one such tool...
February 21, 2018: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/29411374/a-survey-of-neurologists-on-postconcussion-syndrome
#15
Randolph W Evans, Kamalika Ghosh
BACKGROUND AND OBJECTIVES: Postconcussion syndrome (PCS) has been controversial for more than 150 years. As there have not been any surveys of PCS among neurologists in the United States since 1992, another was performed using most of the prior items to assess current opinions and practices and whether there have been any changes since 1992. METHODS: Two hundred and eighty-nine neurologists attending the Texas Neurological Society 20th Annual Winter Conference continuing medical education meeting in 2017 were supplied the survey instrument with registration materials...
February 7, 2018: Headache
https://www.readbyqxmd.com/read/29368186/protection-before-impact-the-potential-neuroprotective-role-of-nutritional-supplementation-in-sports-related-head-trauma
#16
REVIEW
Jonathan M Oliver, Anthony J Anzalone, Stephanie M Turner
Even in the presence of underreporting, sports-related concussions/mild traumatic brain injuries (mTBI) are on the rise. In the absence of proper diagnosis, an athlete may return to play prior to full recovery, increasing the risk of second-impact syndrome or protracted symptoms. Recent evidence has demonstrated that sub-concussive impacts, those sustained routinely in practice and competition, result in a quantifiable pathophysiological response and the accumulation of both concussive and sub-concussive impacts sustained over a lifetime of sports participation may lead to long-term neurological impairments and an increased risk of developing neurodegenerative diseases...
March 2018: Sports Medicine
https://www.readbyqxmd.com/read/29336208/the-effects-of-sex-differences-and-hormonal-contraception-on-outcomes-after-collegiate-sports-related-concussion
#17
Virginia Gallagher, Natalie Kramer, Kristin Abbott, John Alexander, Hans Breiter, Amy Herrold, Tory Lindley, Jeffrey Mjaanes, James Reilly
There is conflicting evidence regarding whether females are more adversely affected after concussion than males. Further, recent research suggests that hormonal contraceptive (HC) use may affect symptom severity and duration post-concussion. The objective of this study was to examine the effects of sex and HC use on outcomes following concussion among collegiate varsity athletes. We hypothesized that females would have longer length of recovery (LOR), and that peak symptom severity would be associated with longer LOR in both males and females...
March 27, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29330738/a-video-review-of-multiple-concussion-signs-in-national-rugby-league-match-play
#18
Andrew J Gardner, David R Howell, Grant L Iverson
BACKGROUND: Video review has been introduced in many professional sports worldwide to help recognize concussions. However, to date, there has been very little research on the accuracy of using video analysis to identify signs of concussion and the various combinations of observed signs. METHODS: The objective of the study is to determine the accuracy of combinations of clinical signs of concussion identified using video analysis to identify concussions in the National Rugby League (NRL)...
January 12, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29315106/zurich-to-berlin-where-are-we-now-with-the-concussion-in-sport-group
#19
Margaret E Pusateri, Brandon J Hockenberry, Christopher A McGrew
The Concussion in Sport Group recently published its highly anticipated fifth consensus statement on sports-related concussion. The latest iteration features a new organizational format-the "11 Rs" and has input from a wider range of health care professionals, organizations, and experts in the field from both the sport concussion area and from related areas outside of sport. The stated objective of this current document is to "build on the principles outlined in previous statements and develop further conceptual understanding of sports-related concussion...
January 2018: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29284906/may-heading-in-soccer-result-in-traumatic-brain-injury-a-review-of-literature
#20
REVIEW
Gorazd Bunc, Janez Ravnik, Tomaz Velnar
Background: Globally, soccer is the most popular team sport, unifying many fans all around the world. The epidemiological studies so far have confirmed that head playing and hitting the ball with head may cause minor head injuries, which exert their effects in a cumulative way. Methods: Literature search for this review was conducted and data about traumatic brain injury collected from various sources. Results: The consequences of head injury are evident as chronic changes in cognition, including disturbances in concentration and slowing of mental and physical agility...
October 2017: Medical Archives
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