Publications by authors named "W H Meeuwisse"

Background: Data obtained from the National Hockey League (NHL) have shown that a risk prediction model, including both visible signs and mechanisms of injury, improves the identification of possible concussion. However, only about half of concussions diagnosed by club medical staff in the NHL exhibit visible signs. At present, the NHL concussion spotter protocol does not include central league spotters' subjective judgments of the severity of forces associated with a direct hit to the head (perceived force severity [PFS]) or whether players brace before a hit (bracing).

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Background: The identification of concussion risk factors, such as visible signs and mechanisms of injury, improves concussion identification. Exploring individual risk factors, such as concussion history, may help to improve existing concussion risk models and algorithms.

Objectives: The primary aim of the current study was to use machine learning techniques to develop a comprehensive, prospectively coded concussion risk model in professional hockey among players exhibiting visible signs.

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Importance: A rule prohibiting a direct hit to the lateral side of the head (ie, Rule 48-Illegal Check to the Head) was introduced in the National Hockey League (NHL) in the 2010-2011 season and refined in the 2011-2012 season to widen the application to include direct contact to all areas of the head.

Objective: To compare the incidence and proportion of concussions that occurred following hits to the head before and after the implementation of Rule 48.

Design, Setting, And Participants: This retrospective cohort study used a before and after design to evaluate concussions among NHL players in regular season games.

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Article Synopsis
  • The 6th International Conference on Concussion in Sport took place in Amsterdam from October 27-30, 2022, leading to a new consensus statement and updates on concussion protocols.
  • In preparation, author groups conducted extensive systematic reviews over 3½ years on key concussion-related topics, informing the conference discussions and outcomes.
  • The conference introduced revised tools like CRT6 and SCAT6, emphasized the importance of the para athlete's perspective, and highlighted gaps in research concerning concussion prevention and long-term effects.
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