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Br J Sports Med. 2017 Jun;51(11):888-894. doi: 10.1136/bjsports-2016-097441. Epub 2017 Mar 7.

What are the critical elements of sideline screening that can be used to establish the diagnosis of concussion? A systematic review.

Author information

1
Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
2
Department of Emergency Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
3
Centre for Urgent and Emergency Care Research, School of Health and Related Research, University of Sheffield, Sheffield, UK.
4
Department of Neurological Surgery, University of Washington, Seattle, Washington, USA.
5
Departments of Rehabilitation Medicine, University of Washington, Seattle, Washington, USA.
6
Orthopedics and Sports Medicine, University of Washington, Seattle, Washington, USA.
7
The Sports Neurology Clinic at the CORE Institute, Brighton, Michigan, USA.
8
Institute of Sport Exercise and Health, University College London, London, UK.
9
Florey Institute of Neuroscience and Mental Health, Austin Campus, Melbourne Brain Centre, Heidelberg, Victoria, Australia.
10
Olympic Park Sports Medicine Centre, Melbourne, Victoria, Australia.
11
Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
12
Director of Athletic Medicine, Princeton University, Princeton, New Jersey, USA.
13
Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Alberta, Canada.

Abstract

BACKGROUND:

Sideline detection is the first and most significant step in recognising a potential concussion and removing an athlete from harm. This systematic review aims to evaluate the critical elements aiding sideline recognition of potential concussions including screening tools, technologies and integrated assessment protocols.

DATA SOURCES:

Bibliographic databases, grey literature repositories and relevant websites were searched from 1 January 2000 to 30 September 2016. A total of 3562 articles were identified.

STUDY SELECTION:

Original research studies evaluating a sideline tool, technology or protocol for sports-related concussion were eligible, of which 27 studies were included.

DATA EXTRACTION:

A standardised form was used to record information. The QUADAS-2 and Newcastle-Ottawa tools were used to rate risk of bias. Strength of evidence was assessed using the Grades of Recommendation, Assessment, Development and Evaluation Working Group system.

DATA SYNTHESIS:

Studies assessing symptoms, the King-Devick test and multimodal assessments reported high sensitivity and specificity. Evaluations of balance and cognitive tests described lower sensitivity but higher specificity. However, these studies were at high risk of bias and the overall strength of evidence examining sideline screening tools was very low. A strong body of evidence demonstrated that head impact sensors did not provide useful sideline concussion information. Low-strength evidence suggested a multimodal, multitime-based concussion evaluation process incorporating video review was important in the recognition of significant head impact events and delayed onset concussion.

CONCLUSION:

In the absence of definitive evidence confirming the diagnostic accuracy of sideline screening tests, consensus-derived multimodal assessment tools, such as the Sports Concussion Assessment Tool, are recommended. Sideline video review may improve recognition and removal from play of athletes who have sustained significant head impact events. Current evidence does not support the use of impact sensor systems for real-time concussion identification.

KEYWORDS:

diagnostic accuracy; screening; sideline; sports related concussion

PMID:
28270437
DOI:
10.1136/bjsports-2016-097441
[Indexed for MEDLINE]
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Conflict of interest statement

Competing interests: JP received travel subsidies for conferences from South African Rugby and World Rugby. GWF is funded by the National Institute for Health Research and received travel funding from World Rugby. RE, SH, JSK, ML, MM, MP have no competing interests to decalre. MM received travel and accommodation costs. KJS has received speaking honoraria for presentations at scientific meetings.

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