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https://www.readbyqxmd.com/read/28935224/the-test-retest-reliability-of-three-computerized-neurocognitive-tests-used-in-the-assessment-of-sport-concussion
#1
Jacob E Resch, Mathew Schneider, C Munro Cullum
Computerized neurocognitive tests (CNTs) are widely used at all competitive levels of sport to assess sport concussion (SC). Whereas there are multiple CNTs available, little is known about how some of the most popular platforms compare. The purpose of this study was to investigate the test-retest reliability of the Automated Neuropsychological Assessment Metrics (ANAM), Concussion Vital Signs (CVS) and the Immediate Postconcussion and Cognitive Testing battery (ImPACT) using clinically relevant time points in healthy college-age participants...
September 18, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28930492/time-trends-in-concussion-symptom-presentation-and-assessment-methods-in-high-school-athletes
#2
Dustin W Currie, Matthew J Kraeutler, John B Schrock, Eric C McCarty, R Dawn Comstock
BACKGROUND: Concussion rates have increased significantly over the past decade. This may reflect an increase in the knowledge and diagnosis of the symptoms of a concussion rather than a true increase in the incidence. Assessing trends in the way that concussions are presenting to and being identified by clinicians over the same period may provide additional insight into the apparent rise in concussions. PURPOSE: To evaluate patterns of change in concussion symptom presentation, diagnostic/evaluation methods, and symptom resolution time reported for United States high school athletes from the 2007-2008 through 2014-2015 academic years...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28926944/coach-cv-the-seven-clinical-phenotypes-of-concussion
#3
Neil Craton, Haitham Ali, Stephane Lenoski
Our understanding of the diverse physiological manifestations of concussion is changing rapidly. This has an influence on the clinical assessment of patients who have sustained a concussion. The 2017 Consensus Statement on Concussion in Sport states that numerous post-injury clinical findings, such as cognitive deficits, post-traumatic headaches, dizziness, difficulties with oculomotor function, and depression have all been associated with a poorer prognosis in concussed patients. This demonstrates that there are several potential clinical manifestations after head injury warranting clinical evaluation...
September 16, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28919121/the-utility-of-instrumented-dual-task-gait-and-tablet-based-neurocognitive-measurements-after-concussion
#4
David R Howell, Alexandra Stillman, Thomas A Buckley, Brant Berkstresser, Francis Wang, William P Meehan
OBJECTIVES: Quantitative and non-invasive measurements acquired by neurocognitive or gait evaluations are useful concussion management components. Emerging technology has allowed for the development of portable and objective tests which may be potentially useful across many settings where evaluations take place. Our aim was to examine the association between instrumented dual-task gait and tablet-based neurocognitive outcome variables with an acute concussion. DESIGN: A total of 59 collegiate athletes were identified and tested within 5days of concussion (n=18, 50% female, 20±1years of age) or as a part of a baseline examination (n=41, 29% female, 19±1years of age)...
August 16, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28916167/structural-neuroimaging-in-sport-related-concussion
#5
Erin D Bigler
Structural neuroimaging of athletes who have sustained a sports-related concussion (SRC) can be viewed as either standard clinical imaging or with advanced neuroimaging methods that quantitatively assess brain structure. Negative findings from conventional computed tomography (CT) or magnetic resonance imaging (MRI) are the norm in SRC. Nonetheless, these conventional measures remain the first line of neuroimaging of the athlete as they do detect clinically significant pathologies, when present, such as hemorrhagic abnormalities in the form of hematomas, contusions and mircobleeds along with regions of focal encephalomalacia or other signal abnormalities, with CT best capable of detecting skull fractures...
September 12, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28900564/relationships-among-common-vision-and-vestibular-tests-in-healthy-recreational-athletes
#6
John D Heick, Curt Bay, Thomas P Dompier, Tamara C Valovich McLeod
BACKGROUND: Disruption of the visual and vestibular systems is commonly observed following concussion. Researchers have explored the utility of screening tools to identify deficits in these systems in concussed patients, but it is unclear if these tests are measuring similar or distinct phenomena. PURPOSE: To determine the relationships between common vestibular tests including the King-Devick (K-D) test, Sensory Organization Test (SOT), Head Shake-Sensory Organization Test (HS-SOT), and Dynamic Visual Acuity (DVA) test, when administered contiguously, to healthy recreational athletes aged 14 to 24 years...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28895491/preliminary-validation-of-the-whodas-2-0-for-mild-traumatic-brain-injury
#7
Deborah Snell, Grant L Iverson, William Panenka, Noah D Silverberg
The purpose of this study is to examine the reliability, factor structure, and validity of the World Health Organization Disability Assessment Schedule (WHODAS 2.0 12-item version) in a sample of patients who were slow to recover from a mild traumatic brain injury (MTBI). Participants were 79 adults with MTBI recruited from one of four specialty outpatient clinics in Vancouver, Canada. The WHODAS 2.0 12-item version is a disease-non-specific measure of disability representing six International Classification of Disability, Functioning, and Health activity and participation domains including cognition, mobility, self-care, interpersonal functioning, life activities, and participation...
September 12, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28895490/the-association-between-dual-task-gait-after-concussion-and-prolonged-symptom-duration
#8
David Robert Howell, Anna Brilliant, Brant Berkstresser, Francis Wang, Joana Fraser, William Meehan
Quantitative gait measurements can identify persistent post-concussion impairments. However, their prognostic utility after injury to identify the likelihood of prolonged concussion symptoms remains unknown. Our objective was to examine if dual-task gait performance measures are independently associated with persistent (> 28 days) concussion symptoms among a sample of athletes. Sixty individuals diagnosed with a sport-related concussion were assessed within 10 days of their injury. Each participant completed a post-concussion symptom scale, injury history questionnaire, and a single/dual-task gait examination...
September 12, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28894835/the-use-of-oculomotor-vestibular-and-reaction-time-tests-to-assess-mild-traumatic-brain-injury-mtbi-over-time
#9
Michael E Hoffer, Carey Balaban, Mikhaylo Szczupak, James Buskirk, Hillary Snapp, James Crawford, Sean Wise, Sara Murphy, Kathryn Marshall, Constanza Pelusso, Sean Knowles, Alex Kiderman
OBJECTIVES: The objective of this work is to examine the outcomes of a set of objective measures for evaluating individuals with minor traumatic brain injury (mTBI) over the sub-acute time period. These methods involve tests of oculomotor, vestibular, and reaction time functions. This work expands upon published work examining these test results at the time of presentation. STUDY DESIGN: This study is a prospective age- and sex-matched controlled study. MATERIALS AND METHODS: The subject group was composed of 106 individuals with mTBI and 300 age- and sex-matched controls without a history of mTBI...
August 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28894296/test-retest-reliability-of-high-spatial-resolution-diffusion-tensor-and-diffusion-kurtosis-imaging
#10
Pashtun Shahim, Laurena Holleran, Joong H Kim, David L Brody
We assessed the test-retest reliability of high spatial resolution diffusion tensor imaging (DTI) and diffusion kurtosis imaging (DKI). Diffusion MRI was acquired using a Siemens 3 Tesla Prisma scanner with 80 mT/m gradients and a 32-channel head coil from each of 3 concussive traumatic brain injury (cTBI) patients and 4 controls twice 0 to 24 days apart. Coefficients of variation (CoV) for DTI parameters were calculated in each DTI Studio parcellated white matter tract at 1.25 mm and 1.75 mm isotropic voxel resolution, as well as DKI parameters at 1...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28889832/intra-individual-cognitive-variability-an-examination-of-anam4-tbi-mil-simple-reaction-time-data-from-service-members-with-and-without-mild-traumatic-brain-injury
#11
Wesley R Cole, Emma Gregory, Jacques P Arrieux, F Jay Haran
OBJECTIVES: The Automated Neuropsychological Assessment Metrics 4 TBI-MIL (ANAM4) is a computerized cognitive test often used in post-concussion assessments with U.S. service members (SMs). Existing evidence, however, remains mixed regarding ANAM4's ability to identify cognitive issues following mild traumatic brain injury (mTBI). Studies typically examine ANAM4 by comparing mean scores to baseline or normative scores. A more fine-grained approach involves examining inconsistency within an individual's performance...
September 11, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28882543/longitudinal-study-of-a-nogo-p3-event-related-potential-component-following-mild-traumatic-brain-injury-in-adults
#12
Gian Candrian, Andreas Müller, Patrizia Dall'Acqua, Kyveli Kompatsiari, Gian-Marco Baschera, Ladislav Mica, Hans-Peter Simmen, Richard Glaab, Javier Fandino, Markus Schwendinger, Christoph Meier, Erika Jasmin Ulbrich, Sönke Johannes
BACKGROUND: Event-related potentials have repeatedly revealed electrophysiological markers of cognitive dysfunction associated with Mild Traumatic Brain Injury (MTBI) and may represent a sensitive tool to guide cognitive rehabilitative interventions. We previously found patients with symptomatic MTBI characterized by smaller P300 (or P3) wave amplitudes in a NoGo-P3 subcomponent in the acute phase of the injury. The goal of this longitudinal study was to investigate whether this early NoGo-P3 subcomponent differs over time in symptomatic MTBI patients and healthy controls...
September 4, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28880237/analysis-of-baseline-computerized-neurocognitive-testing-results-among-5-11-year-old-male-and-female-children-playing-sports-in-recreational-leagues-in-florida
#13
Karen D Liller, Barbara Morris, Jessica Fillion, Yingwei Yang, Omonigho M Bubu
There is a paucity of data related to sports injuries, concussions, and computerized neurocognitive testing (CNT) among very young athletes playing sports in recreational settings. The purpose of this study was to report baseline CNT results among male and female children, ages 5-11, playing sports in Hillsborough County, Florida using ImPACT Pediatric, which is specifically designed for this population. Data were collected from 2016 to 2017. The results show that 657 baseline tests were conducted and t-tests and linear regression were used to assess mean significant differences in composite scores with sex and age...
September 7, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28878731/head-eye-vestibular-motion-therapy-affects-the-mental-and-physical-health-of-severe-chronic-postconcussion-patients
#14
Frederick Robert Carrick, Joseph F Clark, Guido Pagnacco, Matthew M Antonucci, Ahmed Hankir, Rashid Zaman, Elena Oggero
CONTEXT: Approximately 1.8-3.6 million annual traumatic brain injuries occur in the United States. An evidence-based treatment for concussions that is reliable and effective has not been available. OBJECTIVE: The objective of this study is to test whether head-eye vestibular motion (HEVM) therapy is associated with decreased symptoms and increased function in postconcussive syndrome (PCS) patients that have been severely impaired for greater than 6 months after a mild traumatic brain injury...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28878729/structural-functional-and-metabolic-brain-markers-differentiate-collision-versus-contact-and-non-contact-athletes
#15
Nathan W Churchill, Michael G Hutchison, Alex P Di Battista, Simon J Graham, Tom A Schweizer
There is growing concern about how participation in contact sports affects the brain. Retrospective evidence suggests that contact sports are associated with long-term negative health outcomes. However, much of the research to date has focused on former athletes with significant health problems. Less is known about the health of current athletes in contact and collision sports who have not reported significant medical issues. In this cross-sectional study, advanced magnetic resonance imaging (MRI) was used to evaluate multiple aspects of brain physiology in three groups of athletes participating in non-contact sports (N = 20), contact sports (N = 22), and collision sports (N = 23)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28876149/acute-post-concussive-symptoms-in-young-children
#16
Coco Bernard, Audrey McKinlay, David Krieser, Renee Testa, And Jennie Ponsford
OBJECTIVES: Despite peaks of mild traumatic brain injury (mTBI) incidence in young children, few studies have examined the nature of post-concussive symptoms (PCSs) in children under the age of eight, whilst controlling for pre-injury symptoms and effects of trauma. The current study aimed to identify which PCSs differentiate children with mTBI from trauma controls early post-injury, and whether these differed among preschool and school-aged children. METHODS: The sample comprised 101 children aged 2-12 presenting to an emergency department, with concussion or other minor bodily injury (control)...
September 6, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28872365/recovery-progression-and-symptom-resolution-in-sport-related-mild-traumatic-brain-injury
#17
Ensie Abbassi, Bess Sirmon-Taylor
OBJECTIVE: To characterize the recovery progression of a group of athletes who participated in a concussion management program based on (1) group analysis and (2) individual analysis. SETTING: Concussion management clinic. PARTICIPANTS: Thirty athletes (22 males, 8 females; baseline age = 16.23 ± 2.40 years) who had undergone four assessments: one baseline and three post-injury assessments at 3, 8, 15 days post-injury. DESIGN: Retrospective clinical...
September 5, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28872354/video-and-clinical-screening-of-national-rugby-league-players-suspected-of-sustaining-concussion
#18
Andrew J Gardner, Magdalena Wojtowicz, Douglas P Terry, Christopher R Levi, Ross Zafonte DO, Grant L Iverson
PRIMARY OBJECTIVE: This study reviewed the available sideline Sport Concussion Assessment Tool-Third Edition (SCAT3) performance of players who were removed from play using the 'concussion interchange rule' (CIR), the available video footage of these incidences, and associated return to play and concussion diagnosis decisions. RESEARCH DESIGN: Descriptive, observational case series. METHODS AND PROCEDURES: Data were collected from all NRL players who used the CIR during the 2014 season...
September 5, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28870119/a-history-of-concussions-is-associated-with-symptoms-of-common-mental-disorders-in-former-male-professional-athletes-across-a-range-of-sports
#19
Vincent Gouttebarge, Haruhito Aoki, Michael Lambert, William Stewart, Gino Kerkhoffs
OBJECTIVE: Recent reports suggest that exposure to repetitive concussions in sports is associated with an increased risk of symptoms of distress, anxiety and depression, sleep disturbance or substance abuse/dependence (typically referred as symptoms of common mental disorders[CMD]) and of later development of neurodegenerative disease, in particular chronic traumatic encephalopathy (CTE). The primary aim of this study was to explore the relationship between sports career-related concussions and the subsequent occurrence of symptoms of CMD among former male professional athletes retired from football (soccer), ice hockey and rugby (union)...
September 5, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28869671/concussion-in-adolescence-and-risk-of-multiple-sclerosis
#20
Scott Montgomery, Ayako Hiyoshi, Sarah Burkill, Lars Alfredsson, Shahram Bahmanyar, Tomas Olsson
OBJECTIVE: To assess whether concussion in childhood or adolescence is associated with subsequent multiple sclerosis risk. Previous research suggests an association but methodological limitations included retrospective data collection and small study populations. METHODS: The national Swedish Patient (hospital diagnoses) and Multiple Sclerosis registers were used to identify all MS diagnoses up to 2012 among people born from 1964, when the Patient Register was established...
September 4, 2017: Annals of Neurology
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