Sport-related concussion alters cerebral hemodynamic activity during controlled respiration

Author:

Ellingson Cody A.1ORCID,Singh Jyotpal1ORCID,Ellingson Chase J.2ORCID,Shafiq M. Abdullah1,Sirant Luke W.3ORCID,Dorsch Kim D.1ORCID,Gruszecki Marcin45ORCID,Kratzig Gregory P.6,Neary J. Patrick1ORCID

Affiliation:

1. Faculty of Kinesiology & Health Studies, University of Regina, Regina, Saskatchewan, Canada

2. College of Medicine, University of Saskatchewan, Regina, Saskatchewan, Canada

3. College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada

4. Department of Radiology Informatics and Statistics, Faculty of Health Sciences, Medical University of Gdansk, Gdansk, Poland

5. Department of Biomedical Engineering, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Gdansk, Poland

6. Department of Psychology, University of Regina, Regina, Saskatchewan, Canada

Abstract

This study investigated cerebral hemodynamic activity following sport-related concussion. Prefrontal cortex oxygenation was assessed by near-infrared spectroscopy (NIRS) during a controlled breathing protocol. Wavelet transformation of the NIRS signals showed significant decreases in HbO2 and HbD amplitude at the respiratory frequency interval (0.10–0.6 HZ) from preseason baseline to acute concussion. These results suggest a decreased respiratory contribution to cerebral hemodynamic activity following acute concussion.

Funder

Mitacs

National Football League Players Association

Publisher

American Physiological Society

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