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Echemendia RJ, Burma JS, Bruce JM, Davis GA, Giza CC, Guskiewicz KM, Naidu D, Black AM, Broglio S, Kemp S, Patricios JS, Putukian M, Zemek R, Arango-Lasprilla JC, Bailey CM, Brett BL, Didehbani N, Gioia G, Herring SA, Howell D, Master CL, Valovich McLeod TC, Meehan WP, Premji Z, Salmon D, van Ierssel J, Bhathela N, Makdissi M, Walton SR, Kissick J, Pardini J, Schneider KJ. Acute evaluation of sport-related concussion and implications for the Sport Concussion Assessment Tool (SCAT6) for adults, adolescents and children: a systematic review. Br J Sports Med 2023; 57:722-735. [PMID: 37316213 DOI: 10.1136/bjsports-2022-106661] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2023] [Indexed: 06/16/2023]
Abstract
OBJECTIVES To systematically review the scientific literature regarding the acute assessment of sport-related concussion (SRC) and provide recommendations for improving the Sport Concussion Assessment Tool (SCAT6). DATA SOURCES Systematic searches of seven databases from 2001 to 2022 using key words and controlled vocabulary relevant to concussion, sports, SCAT, and acute evaluation. ELIGIBILITY CRITERIA (1) Original research articles, cohort studies, case-control studies, and case series with a sample of >10; (2) ≥80% SRC; and (3) studies using a screening tool/technology to assess SRC acutely (<7 days), and/or studies containing psychometric/normative data for common tools used to assess SRC. DATA EXTRACTION Separate reviews were conducted involving six subdomains: Cognition, Balance/Postural Stability, Oculomotor/Cervical/Vestibular, Emerging Technologies, and Neurological Examination/Autonomic Dysfunction. Paediatric/Child studies were included in each subdomain. Risk of Bias and study quality were rated by coauthors using a modified SIGN (Scottish Intercollegiate Guidelines Network) tool. RESULTS Out of 12 192 articles screened, 612 were included (189 normative data and 423 SRC assessment studies). Of these, 183 focused on cognition, 126 balance/postural stability, 76 oculomotor/cervical/vestibular, 142 emerging technologies, 13 neurological examination/autonomic dysfunction, and 23 paediatric/child SCAT. The SCAT discriminates between concussed and non-concussed athletes within 72 hours of injury with diminishing utility up to 7 days post injury. Ceiling effects were apparent on the 5-word list learning and concentration subtests. More challenging tests, including the 10-word list, were recommended. Test-retest data revealed limitations in temporal stability. Studies primarily originated in North America with scant data on children. CONCLUSION Support exists for using the SCAT within the acute phase of injury. Maximal utility occurs within the first 72 hours and then diminishes up to 7 days after injury. The SCAT has limited utility as a return to play tool beyond 7 days. Empirical data are limited in pre-adolescents, women, sport type, geographical and culturally diverse populations and para athletes. PROSPERO REGISTRATION NUMBER CRD42020154787.
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Affiliation(s)
- Ruben J Echemendia
- Concussion Care Clinic, University Orthopedics, State College, Pennsylvania, USA
- University of Missouri Kansas City, Kansas City, Missouri, USA
| | - Joel S Burma
- Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
| | - Jared M Bruce
- Biomedical and Health Informatics, University of Missouri - Kansas City, Kansas City, Missouri, USA
| | - Gavin A Davis
- Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Cabrini Health, Malvern, Victoria, Australia
| | - Christopher C Giza
- Neurosurgery, UCLA Steve Tisch BrainSPORT Program, Los Angeles, California, USA
- Pediatrics/Pediatric Neurology, Mattel Children's Hospital UCLA, Los Angeles, California, USA
| | - Kevin M Guskiewicz
- Matthew Gfeller Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Dhiren Naidu
- Medicine, University of Alberta, Edmonton, Alberta, Canada
| | | | - Steven Broglio
- Michigan Concussion Center, University of Michigan, Ann Arbor, Michigan, USA
| | - Simon Kemp
- Sports Medicine, Rugby Football Union, London, UK
| | - Jon S Patricios
- Wits Sport and Health (WiSH), School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg-Braamfontein, South Africa
| | | | - Roger Zemek
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
- Department of Pediatrics, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Christopher M Bailey
- Neurology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
- Neurology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Benjamin L Brett
- Neurosurgery/ Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | | | - Gerry Gioia
- Depts of Pediatrics and Psychiatry & Behavioral Sciences, Children's National Health System, Washington, District of Columbia, USA
| | - Stanley A Herring
- Department of Rehabilitation Medicine, Orthopaedics and Sports Medicine, and Neurological Surgery, University of Washington, Seattle, Washington, USA
| | - David Howell
- Orthopedics, Sports Medicine Center, Children's Hospital Colorado, Aurora, Colorado, USA
| | | | - Tamara C Valovich McLeod
- Department of Athletic Training and School of Osteopathic Medicine in Arizona, A.T. Still University, Mesa, Arizona, USA
| | - William P Meehan
- Sports Medicine, Children's Hospital Boston, Boston, Massachusetts, USA
- Emergency Medicine, Children's Hospital Boston, Boston, Massachusetts, USA
| | - Zahra Premji
- Libraries, University of Victoria, Victoria, British Columbia, Canada
| | | | | | - Neil Bhathela
- UCLA Health Steve Tisch BrainSPORT Program, Los Angeles, California, USA
| | - Michael Makdissi
- Florey Institute of Neuroscience and Mental Health - Austin Campus, Heidelberg, Victoria, Australia
- La Trobe Sport and Exercise Medicine Research Centre, Melbourne, Victoria, Australia
| | - Samuel R Walton
- Department of Physical Medicine and Rehabilitation, School of Medicine, Richmond, Virginia, USA
| | - James Kissick
- Dept of Family Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Jamie Pardini
- Departments of Internal Medicine and Neurology, University of Arizona College of Medicine, Phoenix, Arizona, USA
| | - Kathryn J Schneider
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
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Roby PR, Metzger KB, McDonald CC, Corwin DJ, Huber CM, Patton DA, Margulies SS, Grady MF, Master CL, Arbogast KB. Pre- and post-season visio-vestibular function in healthy adolescent athletes. PHYSICIAN SPORTSMED 2022; 50:522-530. [PMID: 34521303 PMCID: PMC8934744 DOI: 10.1080/00913847.2021.1980744] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 09/10/2021] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To evaluate pre - to post-season differences in individual subtests of the Visio-Vestibular Examination (VVE) in healthy middle and high school athletes. METHODS This prospective cohort study recruited participants from a private suburban United States secondary school. Participants completed a demographic questionnaire prior to the start of their season. A proxy for head impact exposure was estimated by incorporating previously published head impact frequencies by team and sport. The VVE was completed pre - and post-season and consisted of 9 subtests: smooth pursuit, horizontal/vertical saccades and gaze stability, binocular convergence, left/right monocular accommodation, and complex tandem gait. Generalized estimating equations were employed to assess the relative risk of an abnormal VVE outcome based on testing session (pre - vs. post-season). RESULTS Participants included middle and high school athletes (n = 115; female = 59 (51.3%); median age at first assessment = 14.9 years, [IQR = 13.6, 16.0]) during 2017/18 - 2019/20 school years. During pre-season testing, accommodation (10.0%) and complex tandem gait (9.2%) had the largest proportion of abnormal outcomes, while smooth pursuits (10.6%) and convergence (9.5%) had the largest proportion of abnormal outcomes post-season. When assessing the effect of testing session on the relative risk of any abnormal VVE subtest, there were no significant findings (P ≥ 0.25). Additionally, there were no significant effects of testing session when adjusting for estimated head impact exposure for any VVE subtest (P ≥ 0.25). CONCLUSIONS Visio-vestibular function as measured by the VVE does not change from pre - to post-season in otherwise healthy adolescent athletes. Our findings suggest that the VVE may be stable and robust to typical neurodevelopment occurring in this dynamic age group and help inform post-injury interpretation of visio-vestibular impairments.
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Affiliation(s)
- Patricia R Roby
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Kristina B Metzger
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Catherine C McDonald
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- School of Nursing, University of Pennsylvania, Philadelphia, PA, USA
| | - Daniel J Corwin
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Division of Emergency Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Colin M Huber
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Declan A Patton
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Susan S Margulies
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA
| | - Matthew F Grady
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Sports Medicine Performance Center, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Christina L Master
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Sports Medicine Performance Center, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Kristy B Arbogast
- Center for Injury Research and Prevention, the Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Division of Emergency Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
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Rauterkus G, Moncrieff D, Stewart G, Skoe E. Baseline, retest, and post-injury profiles of auditory neural function in collegiate football players. Int J Audiol 2021; 60:650-662. [PMID: 33439060 DOI: 10.1080/14992027.2020.1860261] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES Recent retrospective studies report differences in auditory neurophysiology between concussed athletes and uninjured controls using the frequency-following response (FFR). Adopting a prospective design in college football players, we compared FFRs before and after a concussion and evaluated test-retest reliability in non-concussed teammates. DESIGN Testing took place in a locker room. We analysed the FFR to the fundamental frequency (F0) (FFR-F0) of a speech stimulus, previously identified as a potential concussion biomarker. Baseline FFRs were obtained during the football pre-season. In athletes diagnosed with concussions during the season, FFRs were measured days after injury and compared to pre-season baseline. In uninjured controls, comparisons were made between pre- and post-season. STUDY SAMPLE Participants were Tulane University football athletes (n = 65). RESULTS In concussed athletes, there was a significant group-level decrease in FFR-F0 from baseline (26% decrease on average). By contrast, the control group's change from baseline was not statistically significant, and comparisons of pre- and post-season had good repeatability (intraclass correlation coefficient = 0.75). CONCLUSIONS Results converge with previous work to evince suppressed neural function to the FFR-F0 following concussion. This preliminary study paves the way for larger-scale clinical evaluation of the specificity and reliability of the FFR as a concussion diagnostic.HighlightsThis prospective study reveals suppressed neural responses to sound in concussed athletes compared to baseline.Neural responses to sound show good repeatability in uninjured athletes tested in a locker-room setting.Results support the feasibility of recording frequency-following responses in non-laboratory conditions.
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Affiliation(s)
- Grant Rauterkus
- Center for Sport, Tulane University School of Medicine, New Orleans, LA, USA
| | - Deborah Moncrieff
- School of Communication Sciences and Disorders, University of Memphis, Memphis, TN, USA
| | - Gregory Stewart
- Department of Orthopaedics, Tulane University School of Medicine, New Orleans, LA, USA
| | - Erika Skoe
- Department of Speech, Language, and Hearing Sciences, Institute for the Brain and Cognitive Sciences, University of Connecticut, Storrs, CT, USA
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Gallagher VT, Murthy P, Stocks J, Vesci B, Colegrove D, Mjaanes J, Chen Y, Breiter H, LaBella C, Herrold AA, Reilly JL. Differential Change in Oculomotor Performance among Female Collegiate Soccer Players versus Non-Contact Athletes from Pre- to Post-Season. Neurotrauma Rep 2020; 1:169-180. [PMID: 33274345 PMCID: PMC7703496 DOI: 10.1089/neur.2020.0051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Sensitive and reliable tools are needed to evaluate potential behavioral and cognitive changes following head impact exposure in contact and collision sport participation. We evaluated change in oculomotor testing performance among female, varsity, collegiate athletes following variable exposure to head impacts across a season. Female, collegiate, contact sport (soccer, CONT) and non-contact sport (NON-CONT) athletes were assessed pre-season and post-season. Soccer athletes were grouped according to total season game headers into low dose (≤40 headers; CONT-Low Dose) or high dose (>40 headers; CONT-High Dose) groups. Performance on pro-saccade (reflexive visual response), anti-saccade (executive inhibition), and memory-guided saccade (MGS, spatial working memory) computer-based laboratory tasks were assessed. Primary saccade measures included latency/reaction time, inhibition error rate (anti-saccade only), and spatial accuracy (MGS only). NON-CONT (n = 20), CONT-Low Dose (n = 17), and CONT-High Dose (n = 7) groups significantly differed on pre-season versus post-season latency on tasks with executive functioning demands (anti-saccade and MGS, p ≤ 0.001). Specifically, NON-CONT and CONT-Low Dose demonstrated shorter (i.e., faster) anti-saccade (1.84% and 2.68%, respectively) and MGS (5.74% and 2.76%, respectively) latencies from pre-season to post-season, whereas CONT-High Dose showed 1.40% average longer anti-saccade, and 0.74% shorter MGS, latencies. NON-CONT and CONT-Low Dose demonstrated reduced (i.e., improved) inhibition error rate on the anti-saccade task at post-season versus pre-season, whereas CONT-High Dose demonstrated relative stability (p = 0.021). The results of this study suggest differential exposure to subconcussive head impacts in collegiate female athletes is associated with differential change in reaction time and inhibitory control performances on executive saccadic oculomotor testing.
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Affiliation(s)
- Virginia T Gallagher
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Prianka Murthy
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Jane Stocks
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Brian Vesci
- Department of Sports Medicine, Northwestern University, Evanston, Illinois, USA
| | - Danielle Colegrove
- Department of Sports Medicine, Northwestern University, Evanston, Illinois, USA
| | - Jeffrey Mjaanes
- Department of Sports Medicine, Northwestern University, Evanston, Illinois, USA
| | - Yufen Chen
- Center for Translational Imaging, Northwestern University, Chicago, Illinois, USA
| | - Hans Breiter
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Cynthia LaBella
- Division of Orthopedics and Sports Medicine, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA
| | - Amy A Herrold
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.,Edward Hines, Jr. VA Hospital, Hines, Illinois, USA
| | - James L Reilly
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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