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  • 3.11 Do sex and sport type matter? symptom severity, quality of life, vestibulo-ocular, oculomotor, and cervical spine findings following concussion

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3) Follow up Post-Injury Evaluation
3.11 Do sex and sport type matter? symptom severity, quality of life, vestibulo-ocular, oculomotor, and cervical spine findings following concussion
  1. Kirsten Holte1,2,3,
  2. Isabelle Gagnon4,
  3. Michal Katz-Leurer5,
  4. Mathilde Chevignard6,7,
  5. Chantel T Debert2,8,
  6. Adrienne Crampton9,
  7. Michaela K Chadder1,
  8. Kathryn J Schneider1,2,3,10,11,
  9. Miriam Beauchamp12,13
  1. 1Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada
  2. 2Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
  3. 3Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
  4. 4Montreal Children’s Hospital, MGill University Health Center, Montreal, Canada
  5. 5Department of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
  6. 6Sorbonne Université, CNRS, INSERM, Laboratoire d’Imagerie Biomédicale, LIB, F-75006, Paris, France
  7. 7Sorbonne Université, GRC 24 Handicap Moteur et Cognitif et Réadaptation, Paris, France
  8. 8Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Canada
  9. 9School of Physical and Occupational Therapy, MGill University, Montreal, Canada
  10. 10Sport Medicine Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada
  11. 11Evidence Sport and Spinal Therapy, Calgary, Canada
  12. 12Ste-Justine Hospital Research Center, Montreal, Canada
  13. 13University of Montreal, Montreal, Canada
  14. 14Rehabilitation Department for Children with Acquired Neurological Injury and Outreach Team for children and Adolescents with Acquired Brain Injury, Saint Maurice Hospitals, Saint Maurice, France

Abstract

Objective To evaluate the association between symptom severity score (SSS), quality of life (QOL), vestibulo-ocular reflex (VOR), oculomotor, and cervical spine outcomes and 1) sex and 2) sport type following mild Traumatic Brain Injury (mTBI).

Design Cross-sectional.

Setting Acute sport concussion clinics.

Participants Youth aged 6–17 years diagnosed with concussion.

Independent Variables Sex (male/female), sport type at time of injury (contact, non-contact, other, unknown) (Rice, 2008)

Outcome Measures SSS (22 symptoms rated 0–6,/132), QOL [Pediatric Quality of Life inventory (PedsQL), VOR [mean gain on ICS video Head Impulse], oculomotor [King Devick (KD), total time (seconds)], cervical spine [Cervical Flexion Rotation Test (positive/negative), Cervical range of motion (full/limited)].

Main Results Forty-six males and 55 females reported contact (n=62), non-contact (n=18) and other (n=18) sports. Youth injured in contact sport had significantly worse VOR gain to the left [VORcontact= 0.91 (IQR= 0.85–0.96), VORnon-contact= 1.00 (IQR= 0.94–1.09), p= 0.046] and cervical ROM (proportion limitedcontact= 6.45%, proportion limitednon-contact= 0%, p <0.001), but better King Devick scores [KDcontact= 54.30s (IQR= 47.15–64.19), KDnon-contact= 69.65s (IQR= 51.37–77.00), p= 0.038) than other sport types. No significant differences were found in other outcomes by sport type or for any outcomes by sex.

Conclusions Youth injured in contact sport were more likely to have limited cervical ROM, worse VOR gain to the left, and better KD scores than other sport types following concussion. There were no differences in any outcomes by sex. Further research to understand the mechanism driving the differences between sport types is warranted.

https://doi.org/10.1136/bjsports-2023-concussion.227

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