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Title: Use of video to facilitate sideline concussion diagnosis and management decision-making
Austin Authors: Davis, Gavin A ;Makdissi, Michael
Affiliation: The Florey Institute of Neuroscience and Mental Health, Heidelberg, Victoria, Australia
Issue Date: Nov-2016 2016-02-22
Publication information: Journal of Science and Medicine in Sport 2016; 19(11): 898-902
Abstract: OBJECTIVES: Video analysis can provide critical information to improve diagnostic accuracy and speed of clinical decision-making in potential cases of concussion. The objective of this study was to validate a hierarchical flowchart for the assessment of video signs of concussion, and to determine whether its implementation could improve the process of game day video assessment. DESIGN: Prospective cohort study. METHODS: All impacts and collisions potentially resulting in a concussion were identified during 2012 and 2013 Australian Football League (AFL) seasons. Consensus definitions were developed for clinical signs associated with concussion. A hierarchical flowchart was developed based on the reliability and validity of the video signs of concussion. Ninety videos were assessed, with 45 incidents of clinically confirmed concussion, and 45 cases where no concussion was sustained. Each video was examined using the hierarchical flowchart, and a single response was given for each video based on the highest-ranking element in the flowchart. RESULTS: No protective action, impact seizure, motor incoordination or blank/vacant look were the highest ranked video signs in almost half of the clinically confirmed concussions, but in only 8.8% of non-concussed individuals. The presence of facial injury, clutching at the head and slow to get up were the highest ranked sign in 77.7% of non-concussed individuals. CONCLUSIONS: This study suggests that the implementation of a flowchart model could improve timely assessment of concussion, and it identifies the video signs that should trigger automatic removal from play.
DOI: 10.1016/j.jsams.2016.02.005
Journal: Journal of Science and Medicine in Sport
PubMed URL:
Type: Journal Article
Subjects: Brain concussion
Sports Medicine
Video Recording
Type of Clinical Study or Trial: Cohort Study
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