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Toby M Enniss, Khaled Basiouny, Brian Brewer, Nikolay Bugaev, Julius Cheng, Omar K Danner, Thomas Duncan, Shannon Foster, Gregory Hawryluk, Hee Soo Jung, Felix Lui, Rishi Rattan, Pina Violano, Marie Crandall
Background: Awareness of the magnitude of contact sports-related concussions has risen exponentially in recent years. Our objective is to conduct a prospectively registered systematic review of the scientific evidence regarding interventions to prevent contact sports-related concussions. Methods: Using the Grading of Recommendations Assessment, Development, and Evaluation methodology, we performed a systematic review of the literature to answer seven population, intervention, comparator, and outcomes (PICO) questions regarding concussion education, head protective equipment, rules prohibiting high-risk activity and neck strengthening exercise for prevention of contact sports-related concussion in pediatric and adult amateur athletes...
2018: Trauma surgery & acute care open
Aleksey Seleznev, Neil V Shah, Rohan Desai, Cuong Le, Patrick Cleary, Qais Naziri, Niladri N Basu, Barbara J Freeman, William P Urban, Jared M Newman
Background: Since it was introduced as an Olympic sport in 1998, snowboarding has drawn the participation of individuals of all ages. Despite the growing popularity of this sport, individuals can suffer from a number of musculoskeletal injuries. The specific goals of the study were to: (I) compare the number of injuries and trends of snowboarding injuries; (II) identify the injury occurrences, trends, and incidence of snowboarding-related fractures; and (III) identify the injury occurrences and trends of snowboarding-related fractures by body part...
June 2018: Annals of Translational Medicine
Rachel Micay, Doug Richards, Michael G Hutchison
Objective: The utility of structured exercise for rehabilitation purposes early in the postacute phase (ie, beyond the initial 24-48 hours of advised rest) following sport-related concussion (SRC) remains largely unexplored. This study examined the feasibility of implementing a standardised aerobic exercise (AE) intervention in the postacute stage of SRC recovery in a sample of adolescent students with SRC compared with usual care. Methods: Symptomatic adolescents with SRC were randomised to one of two groups: Aerobic Exercise (n=8) or Usual Care (n=7)...
2018: BMJ Open Sport & Exercise Medicine
Gwynn Curran-Sills, Tasnima Abedin
Background: There is limited literature that examines risk factors for injury and mild traumatic brain injury (mTBI) in mixed martial arts (MMA). An examination of previously unstudied bout and athlete characteristics that may pose health risks while partaking in this sport is warranted. Hypothesis/purpose: To determine the incidence of injury and concussion, along with the identification of risk factors that contribute to injury and mTBI in amateur and professional MMA bouts in Calgary, Alberta...
2018: BMJ Open Sport & Exercise Medicine
Jennifer Kosoy, Ronald Feinstein
Learning about concussion diagnosis and management is important for all individuals who will be taking care of young athletes. There are about 1.7million reported concussions per year, and, of these, about 20% are sports related. There are risks in all sports, but the highest rates of concussions are from football, rugby, and hockey, with soccer being the highest cause for girls. An on-field assessment includes evaluating airway, breathing, and circulation, followed by cervical spine assessment. Then, concussion evaluation tools can be used to aid in making the diagnosis...
July 14, 2018: Current Problems in Pediatric and Adolescent Health Care
Ronald Feinstein, Martin Fisher
No abstract text is available yet for this article.
July 14, 2018: Current Problems in Pediatric and Adolescent Health Care
Jean-Paul Chung Pin Yong, Jin H Lee, David R Howell, William P Meehan, Grant L Iverson, Andrew J Gardner
OBJECTIVE: The purpose of this study was to examine the influence of a brief exercise protocol on Sport Concussion Assessment Tool-Third Edition (SCAT3) performance in amateur women athletes. DESIGN: Cross-over repeated-measures design. SETTING: Off-season, uninjured community amateur athletes. PARTICIPANTS: We examined 87 amateur women athlete volunteers (age = 29.9, SD = 6.9 years). INDEPENDENT VARIABLES: Participants were assessed using the SCAT3 under 2 conditions: at rest and after a 5-minute physical exertion protocol, completed in a counterbalanced order...
July 13, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Alexander C Conley, Patrick Cooper, Frini Karayanidis, Andrew Gardner, Christopher R Levi, Peter Stanwell, Michael Gaetz, Grant L Iverson
Sports-related concussion is associated with a range of short-term functional deficits that are commonly thought to recover within a two-week post-injury period for most, but certainly not all, people. Resting state electroencephalography (rs-EEG) may prove to be an affordable, accessible, and sensitive method of assessing severity of brain injury and rate of recovery following a concussion. This paper presents a systematic review of rs-EEG in sports-related concussion. A systematic review of articles published in the English language, up to June 2017, was retrieved via PsychINFO, Medline, Medline In Process, Embase, SportDiscus, CINAHL, and Cochrane Library, Reviews, and Trials...
July 17, 2018: Journal of Neurotrauma
Natalie S Dailey, Ryan Smith, Sahil Bajaj, Anna Alkozei, Melissa K Gottschlich, Adam C Raikes, Brieann C Satterfield, William D S Killgore
Mild traumatic brain injury (mTBI) remains the most commonly reported head injury in the United States, and is associated with a wide range of post-concussive symptoms including physical, cognitive and affective impairments. Elevated aggression has been documented in mTBI; however, the neural mechanisms associated with aggression at the chronic stage of recovery remain poorly understood. In the present study, we investigated the association between white matter integrity and aggression in mTBI using diffusion tensor imaging (DTI)...
2018: Frontiers in Behavioral Neuroscience
Lauren A Pierpoint, Cynthia R LaBella, Christy L Collins, Sarah K Fields, R Dawn Comstock
BACKGROUND: Sports injuries impose physical and economic burdens on high school athletes, yet only 37% of high schools have access to a fulltime certified athletic trainer (AT). Although intuitively there are multiple benefits of AT coverage, research demonstrating the measurable effect of AT coverage on rates and patterns of injury is limited. Our objective was to investigate the epidemiology of girls' basketball and soccer injuries in high schools with and without an AT. METHODS: We compared data captured by two similar sports injury surveillance systems during the 2006/07-2008/09 academic years...
July 16, 2018: Injury Epidemiology
Harry Bramley, Kathryn C Foley, Ronald Williams, Mechelle M Lewis, Lan Kong, Matthew Silvis
CONTEXT: Adolescent obesity and sports-related concussion are rising in prevalence, yet there is minimal research exploring the relationship between these two conditions. OBJECTIVE: To assess the impact of body mass index (BMI) percentile on duration of recovery and reported symptoms after sports-related concussion in adolescents. DESIGN: Retrospective chart review at a regional concussion program located at an academic medical center. Medical records of all patients aged 13 to 18 years treated from March 2006 through January 2012 were reviewed...
July 12, 2018: Permanente Journal
Liane E Hunter, Chloe Ifrah, Molly E Zimmerman, Mimi Kim, Richard B Lipton, Walter F Stewart, Michael L Lipton
The effects of soccer-related head impacts, beyond overt concussions, on Patient Reported Outcomes (PROs) have not been explored to date. Generalized estimating equations were employed to determine the association between soccer-related head impacts (headers in the prior 2 weeks, unintentional head impacts in the prior 2 weeks, headers in the prior 12 months and lifetime concussions) on PROs including depression, anxiety, sleep disturbance and sleep impairment. Compared to players with no unintentional head impacts in the prior 2 weeks, players with one unintentional exposure reported more symptoms of anxiety (p = 0...
July 13, 2018: Research in Sports Medicine
Jonathan M Peake, Graham Kerr, John P Sullivan
The commercial market for technologies to monitor and improve personal health and sports performance is ever expanding. A wide range of smart watches, bands, garments, and patches with embedded sensors, small portable devices and mobile applications now exist to record and provide users with feedback on many different physical performance variables. These variables include cardiorespiratory function, movement patterns, sweat analysis, tissue oxygenation, sleep, emotional state, and changes in cognitive function following concussion...
2018: Frontiers in Physiology
(no author information available yet)
No abstract text is available yet for this article.
August 2018: Journal of Neurology, Neurosurgery, and Psychiatry
Limin Wu, Joon Y Chung, Shivani Saith, Lorenzo Tozzi, Erin M Buckley, Bharat Sanders, Maria A Franceschini, Sevda Lule, Saef Izzy, Josephine Lok, William J Edmiston, Lauren M McAllister, Sloane Mebane, Gina Jin, Jiaxi Lu, John S Sherwood, Sarah Willwerth, Suzanne Hickman, Joseph El Khoury, Eng H Lo, David Kaplan, Michael J Whalen
Repetitive mild traumatic brain injury during adolescence can induce neurological dysfunction through undefined mechanisms. Interleukin-1 (IL-1) contributes to experimental adult diffuse and contusion TBI models, and IL-1 antagonists have entered clinical trials for severe TBI in adults; however, no such data exist for adolescent TBI. We developed an adolescent mouse repetitive closed head injury (rCHI) model to test the role of IL-1 family members in post-injury neurological outcome. Compared to one CHI, three daily injuries (3HD) produced acute and chronic learning deficits and emergence of hyperactivity, without detectable gliosis, neurodegeneration, brain atrophy, and white matter loss at one year...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
Amber L Dougherty, Andrew J MacGregor, Erik Viirre, Mary C Clouser, Peggy P Han, Kimberly H Quinn, Michael R Galarneau
PRIMARY OBJECTIVE: To examine the relationship between hearing protection and non-impact, blast-induced concussion in US military personnel. RESEARCH DESIGN: Retrospective cohort study. METHODS AND PROCEDURES: A total of 501 US service members from the Expeditionary Medical Encounter Database with hearing protection status reported either 'worn' or 'not worn' were eligible for analysis. Clinical records were reviewed for concussion diagnoses...
July 12, 2018: Brain Injury: [BI]
James Bouley, David Y Chung, Cenk Y Ayata, Robert H Brown, Nils Henninger
Cortical spreading depression (CSD) has been described after moderate-to-severe traumatic brain injury (TBI). However, it is uncertain whether CSD occurs after mild, concussive TBI and whether it relates to brain pathology and functional outcome. Male C57BL6/J mice (n=62) were subjected to closed head TBI with a 25g weight (n=11), 50g weight (n=45), or sham injury (n=6). Laser Doppler flowmetry and optical intrinsic signal imaging were used to determine cerebral blood flow dynamics after concussive CSD. Functional deficits were assessed at baseline, 2 h, 24 h, and 48 h...
July 12, 2018: Journal of Neurotrauma
Joseph Toninato, Hannah Casey, Mohit Uppal, Tessneem Abdallah, Thomas Bergman, JamesT Eckner, Uzma Samadani
Reporting of sports-related concussions (SRCs) has risen dramatically over the last decade, increasing awareness of the need for treatment and prevention of SRCs. To date most prevention studies have focused on equipment and rule changes to sports in order to reduce the risk of injury. However, increased neck strength has been shown to be a predictor of concussion rate. In the TRAIN study, student-athletes will follow a simple neck strengthening program over the course of three years in order to better understand the relationship between neck strength and SRCs...
September 2018: Contemporary Clinical Trials Communications
Kumar Abhiram Jha, Mickey Pentecost, Raji Lenin, Lada Klaic, Sally L Elshaer, Jordy Gentry, John M Russell, Alex Beland, Anton Reiner, Veronique Jotterand, Nicolas Sohl, Rajashekhar Gangaraju
Blast concussions are a common injury sustained in military combat today. Inflammation due to microglial polarization can drive the development of visual defects following blast injuries. In this study, we assessed whether anti-inflammatory factors released by the mesenchymal stem cells derived from adipose tissue (adipose stem cells, ASC) can limit retinal tissue damage and improve visual function in a mouse model of visual deficits following mild traumatic brain injury. We show that intravitreal injection of 1 μL of ASC concentrated conditioned medium from cells pre-stimulated with inflammatory cytokines (ASC-CCM) mitigates loss of visual acuity and contrast sensitivity four weeks post blast injury...
July 11, 2018: International Journal of Molecular Sciences
Bamini Gopinath, Gerald Liew, Ashley Craig, Ilaria Pozzato, Susanne Meares, George Burlutsky, Ian D Cameron, Paul Mitchell
The adverse long-term consequences following traumatic brain injury are poorly understood, particularly on the cerebral microvasculature. Retinal vessels are a surrogate marker of cerebral vascular changes. We therefore aimed to examine the cross-sectional association between serious head injury or being knocked unconscious, and/or concussion and retinal microvascular signs, specifically, mean retinal arteriolar and venular calibre, in older adults after accounting for potential confounders. This cohort study involved 2,624 adults with mean age of 66...
2018: PloS One
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