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A Neuroscientific Approach to the Examination of Concussions in Student-Athletes

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Published on: December 8, 2014

Symptom resolution following a repeat concussion within the same athlete.

Alan R Tang^1,2, Kristen L Williams^2,3, Philip J Davis^1,2

¹Department of Neurological Surgery, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.

|February 9, 2024

Summary

Repeat concussions in athletes did not show significantly prolonged recovery times or increased symptom severity compared to initial injuries. This study found no significant differences in symptom duration or return-to-play metrics for repeat sport-related concussions.

Keywords:

Sport-related concussion concussion symptoms repeat concussion return-to-learn return-to-play symptom resolution

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A Multi-Modal Approach to Assessing Recovery in Youth Athletes Following Concussion

A Multi-Modal Approach to Assessing Recovery in Youth Athletes Following Concussion

Published on: September 25, 2014

Area of Science:

Sports Medicine
Neurology
Public Health

Background:

Sport-related concussion (SRC) is a common injury in athletes.
Anecdotal evidence suggests repeat concussions may lead to prolonged recovery, but research is limited.
Understanding the impact of repeat SRC on symptom burden and recovery is crucial for athlete management.

Purpose of the Study:

To investigate differences in symptom severity and recovery outcomes between an athlete's initial and repeat sport-related concussion (SRC).
To analyze the impact of repeat SRC on time to symptom resolution, return-to-learn (RTL), and return-to-play (RTP).

Main Methods:

A retrospective within-subject cohort study was conducted on athletes aged 12-23 years diagnosed with two separate SRCs between November 2017 and October 2020.
Primary outcomes included initial symptom severity and time to symptom resolution.
Secondary outcomes assessed duration of return-to-learn (RTL) and return-to-play (RTP).

Main Results:

Out of 868 athletes, 47 had repeat concussions. No significant differences were found in time to clinic, initial symptom severity (PCSS), or time to symptom resolution between initial and repeat SRCs.
While time to symptom resolution showed a trend towards longer duration after repeat concussion (41.7 days vs. 21.2 days), this did not reach statistical significance.
No significant differences were observed in time to RTL or RTP between initial and repeat concussions.

Conclusions:

Repeat sport-related concussions in this cohort were not associated with significantly prolonged recovery times or increased symptom burden compared to initial concussions.
Findings suggest that, within this study's parameters, repeat SRCs did not lead to statistically significant delays in symptom resolution, RTL, or RTP.
Further research with larger sample sizes may be warranted to explore potential subtle differences or long-term effects.