Key result
A history of concussion in adolescent male hockey athletes was associated with altered cardio-autonomic recovery postexercise, with significant group and time main effects for HRV measures (P<0.01).
Why the study?
Concussion may negatively affect cardiovascular function and the autonomic nervous system via altered HRV, but its effect on cardio-autonomic function during recovery from submaximal exercise in adolescent hockey athletes required assessment.
Does a history of concussion negatively affect cardio-autonomic function postexercise in adolescent male hockey athletes?
Comparison
Athletes with a concussion history vs those without a concussion history
Design
Case-control study
Authors
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May signal lingering autonomic effects after concussion in youth athletes; hypothesis-generating and should not yet alter return-to-play protocols.
Case-Control (n=33)
Does a history of concussion negatively affect cardio-autonomic function postexercise in adolescent male hockey athletes?
p-value: p=<0.01
A history of multiple concussions in adolescent athletes is associated with impaired cardio-autonomic recovery following submaximal exercise, indicating potential long-term dysautonomia.
Memmini et al. (2021) conducted a case-control in Concussion (n=33). Concussion history vs. No concussion history was evaluated on Heart rate variability measures of mean NN interval, root mean square of successive differences, and standard deviation of NN interval (SDNN) (p=<0.01). A history of concussion in adolescent male hockey athletes was associated with altered cardio-autonomic recovery postexercise, with significant group and time main effects for HRV measures (P<0.01).
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