@article{ref1,
title="Unclear outcomes of heart rate variability following a concussion: a systematic review",
journal="Brain injury",
year="2021",
author="Charron, J. and Soto-Catalan, C. and Marcotte L'Heureux, V. and Comtois, A. S.",
volume="ePub",
number="ePub",
pages="ePub-ePub",
abstract="PURPOSE: : To systematically regroup articles that were published since the latest systematic search, but with specific inclusion criteria to help comparison that will offer a focused presentation of methods and results. This will offer a full overview of HRV's behavior at rest and during exercise in adults post-concussion. <br><br>METHODS: : The systematic review was conducted using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) method. A computer-based systematic search was conducted in December 2019 through the Pubmed, Scopus and SPORTDiscus databases. A manual search was performed through the reference list of all articles retained. The reliability of the systematic search was assured by having the article selection process entirely repeated by a second author. <br><br>RESULTS: : The systematic search yielded a total of 15 articles to be further analyzed. <br><br>RESULTS show impairment of HRV during exercise for individuals with concussion, heterogenous studies with lack of control over confounding factors and only less than half of the results showing a significant difference between individuals with concussion and controls. <br><br>CONCLUSION: : Further research should try standardizing HRV measurement protocols that control confounding factors to allow easier comparison between studies and allows the possibility for an eventual meta-analysis.<p /> <p>Language: en</p>",
language="en",
issn="0269-9052",
doi="10.1080/02699052.2021.1891459",
url="http://dx.doi.org/10.1080/02699052.2021.1891459"
}