Normative values of resting heart rate variability in young male contact sport athletes: Reference values for the assessment and treatment of concussion

Ziadia, H., Sassi, I., Trudeau, F. et Fait, P. (2023). Normative values of resting heart rate variability in young male contact sport athletes: Reference values for the assessment and treatment of concussion. Frontiers in Sports and Active Living, 4 . ISSN 2624-9367 DOI 10.3389/fspor.2022.730401

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Résumé

Objective:
The objective of this study was to identify the main determinants of heart rate variability (HRV) in male athletes aged 14 to 21 years who practice competitive contact sports and to integrate these determinants with the aim of defining normative values of short-term HRV in the time and frequency domains.

Methods:
Participants (n = 369) were aged 14 to 21 years and included 221 football players and 148 ice hockey players. HRV was measured for 5 min at rest, and standard HRV parameters in the time and frequency domains were calculated. Heart rate (HR), age, body mass index (BMI), number of sports weekly practices (WSP) and concussion history (mTBI) were considered determinants potentially able to influence HRV.

Results:
Multiple regression analysis revealed that HR was the primary determinant of standard HRV parameters. The models accounted for 13% to 55% of the total variance of HRV and the contribution of HR to this model was the strongest (β ranged from −0.34 to −0.75). HR was the only determinant that significantly contributes to all HRV parameters. To counteract this dependence, we calculated HRV corrected by the mean RR interval (RRm). Such corrections do not remove any physiological differences in HRV; they simply remove the mathematical bias. HRV parameters were therefore normalized, and their normative limits were developed relative to the mean heart rate. After correction, the correlation coefficients between HR and all corrected HRV parameters were not statistically significant and ranged from −0.001 to 0.045 (p > 0.40 for all). The automatically corrected HRV calculator, which recalculates standard HRV parameters and converts them into corrected parameters in addition to determining whether a given value is within normal limits, facilitates clinical interpretation.

Conclusion:
This study provides for the first time corrected normative values of short-term and resting state HRV parameters in competitive contact sport athletes aged 14 to 21 years. These values were developed independently of the major determinants of HRV. The baseline values for HRV parameters given here could be used in clinical practice when assessing and monitoring cerebral concussions. They may assist in decision making for a safe return to play. 2023 Ziadia, Sassi, Trudeau and Fait.

Type de document:	Article
Mots-clés libres:	Concussion Diagnosis Heart rate correction Heart rate variability Management Normative values Sports-related concussion Treatment biomarkers
Date de dépôt:	28 févr. 2023 13:33
Dernière modification:	28 févr. 2023 13:36
Version du document déposé:	Version officielle de l'éditeur
URI:	https://depot-e.uqtr.ca/id/eprint/10499

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