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21 papers 100 to 500 followers MH Residency - Concussion
Kelly L Pearce, Alicia Sufrinko, Brian C Lau, Luke Henry, Michael W Collins, Anthony P Kontos
BACKGROUND: Convergence insufficiency (CI) is a common binocular vision deficit after a sport-related concussion (SRC). CI may result in visual discomfort and vision-mediated functional difficulties such as slowed reading and compromised attention, leading to impaired academic, work, and sport performance. PURPOSE: To test the reliability of repeated near point of convergence (NPC) measurements in a sample of athletes after an SRC; compare the symptoms and cognitive impairment of athletes with normal NPC to those with CI after an SRC; and explore the relationship among age, sex, learning disability, migraine history, and CI...
December 2015: American Journal of Sports Medicine
Luke C Henry, R J Elbin, Michael W Collins, Gregory Marchetti, Anthony P Kontos
BACKGROUND: Previous research estimates that the majority of athletes with sport-related concussion (SRC) will recover between 7 and 10 days after injury. This short temporal window of recovery is based predominately on symptom resolution and cognitive improvement and does not accurately reflect recent advances in the clinical assessment model. OBJECTIVE: To characterize SRC recovery at 1-week postinjury time intervals on symptom, neurocognitive, and vestibular-oculomotor outcomes and to examine sex differences in SRC recovery time...
February 2016: Neurosurgery
Erin B Wasserman, Beau Abar, Manish N Shah, Daniel Wasserman, Jeffrey J Bazarian
BACKGROUND: Concussions impair balance, visual acuity, and reaction time--all of which are required for high-level batting performance--but the effects of concussion on batting performance have not been reported. The authors examined this relationship between concussion and batting performance among Major League Baseball (MLB) players. HYPOTHESIS: Batting performance among concussed MLB players will be worse upon return to play than batting performance among players missing time for noninjury reasons...
May 2015: American Journal of Sports Medicine
Christine M Baugh, Emily Kroshus, Daniel H Daneshvar, Naji A Filali, Michael J Hiscox, Leonard H Glantz
BACKGROUND: In 2010, the National Collegiate Athletic Association (NCAA) adopted its Concussion Policy and Legislation, which applies to more than 450,000 collegiate athletes annually. To date, there has been no examination of school-level compliance with the NCAA Concussion Policy. PURPOSE: To examine whether stakeholders at NCAA schools report that their school has a concussion management plan and whether existing plans are consistent with the NCAA policy. Also examined were stakeholders' perceptions regarding concussion management at their institution and possible areas for improvement...
January 2015: American Journal of Sports Medicine
Anne Mucha, Michael W Collins, R J Elbin, Joseph M Furman, Cara Troutman-Enseki, Ryan M DeWolf, Greg Marchetti, Anthony P Kontos
BACKGROUND: Vestibular and ocular motor impairments and symptoms have been documented in patients with sport-related concussions. However, there is no current brief clinical screen to assess and monitor these issues. PURPOSE: To describe and provide initial data for the internal consistency and validity of a brief clinical screening tool for vestibular and ocular motor impairments and symptoms after sport-related concussions. STUDY DESIGN: Cross-sectional study; Level of evidence, 2...
October 2014: American Journal of Sports Medicine
Eric E Hall, Caroline J Ketcham, Cayce R Crenshaw, Martin H Baker, Jodi M McConnell, Kirtida Patel
Concussions in collegiate athletics can affect student-athletes both on the field and in the classroom. As policies are made to outline return-to-play decisions and timelines, this article will make the case that return-to-academics should also be included and follow a step-wise protocol. Complete cognitive rest is a cornerstone of concussion recovery and slow reintroduction to academics should precede return-to-play. The college structure allows for student-athletes to begin small doses of cognitive activity after the recommended complete cognitive rest...
May 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
David R Howell, Louis R Osternig, Li-Shan Chou
BACKGROUND: Recent work has identified deficits in dual-task gait balance control for up to 2 months after adolescent concussion; however, how resumption of preinjury physical activities affects recovery is unknown. PURPOSE: The objective of this study is to examine how return to activity (RTA) affects recovery from concussion on measures of symptom severity, cognition, and balance control during single-task and dual-task walking. METHODS: Nineteen adolescents with concussion who returned to preinjury activity within 2 months after injury and 19 uninjured, matched controls completed symptom inventories, computerized cognitive testing, and single-task and dual-task gait analyses...
April 2015: Medicine and Science in Sports and Exercise
Kathryn J Schneider, Willem H Meeuwisse, Alberto Nettel-Aguirre, Karen Barlow, Lara Boyd, Jian Kang, Carolyn A Emery
BACKGROUND/AIM: Concussion is a common injury in sport. Most individuals recover in 7-10 days but some have persistent symptoms. The objective of this study was to determine if a combination of vestibular rehabilitation and cervical spine physiotherapy decreased the time until medical clearance in individuals with prolonged postconcussion symptoms. METHODS: This study was a randomised controlled trial. Consecutive patients with persistent symptoms of dizziness, neck pain and/or headaches following a sport-related concussion (12-30 years, 18 male and 13 female) were randomised to the control or intervention group...
September 2014: British Journal of Sports Medicine
Pierre Frémont, Lindsay Bradley, Charles H Tator, Jill Skinner, Lisa K Fischer
The Canadian Concussion Collaborative (CCC) is composed of health-related organisations concerned with the recognition, treatment and management of concussion. Its mission is to create synergy between organisations concerned with concussion to improve education and implementation of best practices for the prevention and management of concussions. Each of the organisations that constitute the CCC has endorsed two recommendations that address the need for relevant authorities to develop policies about concussion management in sports...
January 2015: British Journal of Sports Medicine
Jennifer C Reneker, Chad E Cook
No abstract text is available yet for this article.
April 2015: British Journal of Sports Medicine
Anna Nordström, Peter Nordström, Jan Ekstrand
BACKGROUND: Little is known about the short-term and long-term sequelae of concussion, and about when athletes who have sustained such injuries can safely return to play. PURPOSE: To examine whether sports-related concussion increases the risk of subsequent injury in elite male football players. STUDY DESIGN: Prospective cohort study. METHODS: Injuries were registered for 46 male elite football teams in 10 European countries in the 2001/2002-2011/2102 seasons...
October 2014: British Journal of Sports Medicine
John J Leddy, John G Baker, Asim Merchant, John Picano, Daniel Gaile, Jason Matuszak, Barry Willer
OBJECTIVE: To compare symptoms in patients with physiologic postconcussion disorder (PCD) versus cervicogenic/vestibular PCD. We hypothesized that most symptoms would not be equivalent. In particular, we hypothesized that cognitive symptoms would be more often associated with physiologic PCD. DESIGN: Retrospective review of symptom reports from patients who completed a 22-item symptom questionnaire. SETTING: University-based concussion clinic...
May 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
James MacDonald, Drew Duerson
OBJECTIVE: Baseline assessments using computerized neurocognitive tests are frequently used in the management of sport-related concussions. Such testing is often done on an annual basis in a community setting. Reliability is a fundamental test characteristic that should be established for such tests. Our study examined the test-retest reliability of a computerized neurocognitive test in high school athletes over 1 year. DESIGN: Repeated measures design. SETTING: Two American high schools...
July 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Carrie Rahn, Barry A Munkasy, A Barry Joyner, Thomas A Buckley
OBJECTIVE: The purpose was to examine the influence of a live sporting sideline environment on balance error scoring system (BESS) performance. DESIGN: Prospective longitudinal cohort study. SETTING: The BESS was performed by all participants at 3 locations: (1) quiet laboratory, (2) football stadium sidelines, and (3) basketball arena sidelines. PARTICIPANTS: The experimental group had 38 participants (age: 20.1 ± 1...
May 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Margot Putukian, Ruben Echemendia, Annegret Dettwiler-Danspeckgruber, Tawny Duliba, Jared Bruce, John L Furtado, Murali Murugavel
OBJECTIVE: To evaluate the utility of the Sideline Concussion Assessment Tool (SCAT)-2 in collegiate athletes with sport-related concussion. DESIGN: Prospective cross-sectional study with baseline testing and serial repeat testing after concussion in contact sport athletes and non-concussed control athletes. SETTING: Division I University. PARTICIPANTS: Male and female club rugby and varsity athletes. INTERVENTIONS: Baseline measures of concussion symptoms, cognitive function, and balance were obtained using the SCAT-2...
January 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Shawn Love, Gary S Solomon
Over the past decade, athletic-related chronic traumatic encephalopathy (CTE) has garnered a great deal of attention in the popular press and, more recently, in the scientific press. With increasing frequency, sports medicine practitioners and providers are faced with questions from the parents of high school football players about CTE and the risk posed to children who participate in this or other contact or collision sports. The purpose of this review was to summarize the research on CTE in an attempt to provide some evidence-based answers to frequently asked questions in clinics from parents...
May 2015: American Journal of Sports Medicine
Yusuke Nakayama, Tracey Covassin, Philip Schatz, Sally Nogle, Jeff Kovan
BACKGROUND: Test-retest reliability is a critical issue in the utility of computer-based neurocognitive assessment paradigms employing baseline and postconcussion tests. Researchers have reported low test-retest reliability for the Immediate Post Concussion Assessment and Cognitive Testing (ImPACT) across an interval of 45 and 50 days. PURPOSE: To re-examine the test-retest reliability of the ImPACT between baseline, 45 days, and 50 days. STUDY DESIGN: Descriptive laboratory study...
August 2014: American Journal of Sports Medicine
Christopher A Anthony, Andrew R Peterson
OBJECTIVE: To determine the amount of within-day variation of Concussion Symptom Severity Scores (CSSSs) in athletes with a clinically diagnosed concussion. DESIGN: This prospective cohort study used a text-messaging robot to survey concussed athletes using the CSSS 5-times daily while they remained symptomatic. SETTING: Academic sports concussion clinic at a large tertiary care medical center. PARTICIPANTS: Fourteen 14- to 22-year-old athletes with clinically diagnosed concussions were enrolled...
March 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Alysia Bedgood, Scott E Rand, James Major
Concussions, or mild traumatic brain injuries (mTBI), are on the forefront of sports medicine. There is a spectrum of symptoms associated with mTBI, some of which include blurriness, double vision, and light sensitivity. Further evaluation for nonconcussion-related causes is warranted if vision changes do not improve concurrently with other symptoms. Keeping in mind other less obvious injuries, including retinal detachment, is important when performing an initial evaluation or follow-up of an mTBI.
January 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
James MacDonald, Julie Wilson, Julie Young, Drew Duerson, Gail Swisher, Christy L Collins, William P Meehan
OBJECTIVE: A common sequela of concussions is impaired reaction time. Computerized neurocognitive tests commonly measure reaction time. A simple clinical test for reaction time has been studied previously in college athletes; whether this test is valid and reliable when assessing younger athletes remains unknown. Our study examines the reliability and validity of this test in a population of high school athletes. DESIGN: Cross-sectional study. SETTING: Two American High Schools...
January 2015: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
2014-07-20 19:22:30
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