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Preseason Cerebrovascular Function in Adolescent Athletes.
Patricia R Roby1,2, Peter J Duquette1,3, Zachary Y Kerr1,2
1Matthew Gfeller Center, Department of Exercise and Sport Science, The University of North Carolina at Chapel Hill, 2207 Stallings Evans Sports Medicine Complex, Campus Box 8700, Chapel Hill, NC, 27599, USA.
Annals of Biomedical Engineering
|March 23, 2021
Summary
Adolescent athletes show similar preseason cerebrovascular function regardless of sport or concussion history. However, starting football later may impact cerebrovascular reactivity (CVR) in young athletes.
Area of Science:
- Neuroscience
- Sports Medicine
- Physiology
Background:
- Cerebrovascular function is critical for brain health and performance.
- Adolescence is a period of dynamic changes in cerebrovascular function.
- Understanding factors influencing cerebrovascular function in young athletes is crucial for injury prevention and management.
Purpose of the Study:
- To investigate the effects of sport participation, concussion history, and age of first football exposure on preseason cerebrovascular function in adolescent athletes.
- To assess cerebrovascular reactivity (CVR) and neurovascular coupling (NVC) in relation to these factors.
- To provide fundamental data for understanding physiological changes in adolescent athletes.
Main Methods:
- Fifty-three adolescent athletes (mean age 15.8 years) were grouped by sport type (football vs. non-collision), concussion history (none vs. ≥1), and age of first football exposure.
- Transcranial Doppler ultrasonography was used to assess CVR and NVC.
- Statistical analyses included independent samples t-tests, univariate linear regressions, and linear mixed effects models.
Main Results:
- Athletes in non-collision sports and those without a concussion history demonstrated significantly greater differential response to neurovascular coupling (NVC) visual tasks.
- An older age of first exposure to football was significantly associated with reduced breath-holding cerebrovascular reactivity (CVR) response.
- Overall, healthy adolescent athletes exhibited similar preseason cerebrovascular function across different sport participation and concussion history groups.
Conclusions:
- Preseason cerebrovascular function appears comparable among adolescent athletes with varying sport participation and concussion histories.
- Age of first exposure to football may be a predictive factor for cerebrovascular reactivity (CVR) in adolescent football players.
- This study contributes essential data to the clinical interpretation of short- and long-term physiological changes in adolescent athletes' cerebrovascular health.
Keywords:
Age of first exposureCerebral blood flowConcussionFootballHigh school, neural activationSubconcussionMore Related Videos
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