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Title: International consensus definitions of video signs of concussion in professional sports.
Austin Authors: Davis, Gavin A ;Makdissi, Michael;Bloomfield, Paul;Clifton, Patrick;Echemendia, Ruben J;Falvey, Éanna Cian;Fuller, Gordon Ward;Green, Gary;Harcourt, Peter;Hill, Thomas;McGuirk, Nathan;Meeuwisse, Willem;Orchard, John;Raftery, Martin;Sills, Allen K;Solomon, Gary S;Valadka, Alex;McCrory, Paul R
Affiliation: The Florey Institute of Neuroscience and Mental Health, Austin Health, Heidelberg, Victoria, Australia
Neurosurgery, Cabrini Hospital, Malvern, Victoria, Australia
La Trobe Sport and Exercise Medicine Research Centre, Melbourne, Victoria, Australia
Austin Health, Heidelberg, Victoria, Australia
Cricket Australia, Sydney, New South Wales, Australia
National Rugby League, Sydney, New South Wales, Australia
Cricket Australia, Melbourne, Victoria, Australia
Australian Football League, Melbourne, Victoria, Australia
National Rugby League (NRL), Sydney, New South Wales, Australia
National Hockey League, Philadelphia, Pennsylvania, USA
World Rugby, Dublin, Ireland
School of Health and Related Research, University of Sheffield, Sheffield, UK
Major League Baseball, New York, New York, USA
National Hockey League, Calgary, Alberta, Canada
World Rugby, Dublin, Ireland
National Football League, New York, New York, USA
Major League Baseball, New York, New York, USA
Issue Date: Oct-2019 2019-04-06
Publication information: British journal of sports medicine 2019; 53(20): 1264-1267
Abstract: The use of video to assist professional sporting bodies with the diagnosis of sport-related concussion (SRC) has been well established; however, there has been little consistency across sporting codes with regards to which video signs should be used, and the definitions of each of these signs. The aims of this study were to develop a consensus for the video signs considered to be most useful in the identification of a possible SRC and to develop a consensus definition for each of these video signs across the sporting codes. A brief questionnaire was used to assess which video signs were considered to be most useful in the identification of a possible concussion. Consensus was defined as >90% agreement by respondents. Existing definitions of these video signs from individual sports were collated, and individual components of the definitions were assessed and ranked. A modified Delphi approach was then used to create a consensus definition for each of the video signs. Respondents representing seven sporting bodies (Australian Football League, Cricket Australia, Major League Baseball, NFL, NHL, National Rugby League, World Rugby) reached consensus on eight video signs of concussion. Thirteen representatives from the seven professional sports ranked the definition components. Consolidation and refinement of the video signs and their definitions resulted in consensus definitions for six video signs of possible concussion: lying motionless, motor incoordination, impact seizure, tonic posturing, no protective action-floppy and blank/vacant look. These video signs and definitions have reached international consensus, are indicated for use by professional sporting bodies and will form the basis for further collaborative research.
DOI: 10.1136/bjsports-2019-100628
ORCID: 0000-0001-8293-4496
PubMed URL: 30954947
Type: Journal Article
Subjects: assessment
sports analysis in different types of sports
Appears in Collections:Journal articles

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