Abstract
Objectives
To compare post-concussion symptoms in patients who sustained a sports-related mild traumatic brain injury (TBI) to those with non-sports-related mild TBI at 7 and 90 days post-injury.
Methods
This prospective multicentre cohort study took place in seven Canadian Emergency Departments (ED). Non-hospitalized patients aged ≥ 14 years with a documented mild TBI that occurred ≤ 24 h of ED visit and a Glasgow Coma Scale score ≥ 13 were included. Main outcome measure was the presence of ≥ 3 symptoms on the Rivermead Post-concussion Questionnaire at 90 days post-injury. Secondary outcomes were the prevalence of (1) individual Rivermead Post-concussion Questionnaire symptom, (2) total Rivermead Post-concussion Questionnaire score ≥ 21 and (3) return to normal daily activities. Adjusted risk ratios (RR) were calculated.
Results
1727 patients were included, 363 (21.0%) sustained a sports-related mild TBI. Similar proportions of patients with ≥ 3 symptoms, a Rivermead Post-concussion Questionnaire score ≥ 21 and those who returned to their normal daily activities were observed at 7 and 90 days post-injury. Sports-related mild TBI patients were at higher risk of poor concentration [RR: 1.3 (95% CI 1.05–1.54)] and non-return to sports activities [RR: 2.2 (95% CI 1.69–2.94)] at 7 days post-injury. At 90 days, sports-relate -mild TBI patients reported less fatigue [RR: 0.7 (95% CI 0.51–0.98)] and feeling of dizziness [RR: 0.6 (95% CI 0.35–0.99)].
Conclusion
Patients who sustained sports-related mild TBI could be at lower risk of experiencing symptoms such as fatigue and dizziness 90 days post-injury. Clinicians should be mindful that non-sports-related mild TBI patients may experience more post-concussion symptoms and that the level of physical activity may influence the patient’s rehabilitation.
Résumé
Objectifs
Comparer les symptômes post-commotionnels chez les patients ayant subi un traumatisme cranio-cérébral léger (TCCL) lié au sport à ceux qui ont un TCCL non lié au sport à 7 et 90 jours post-traumatisme.
Méthodes
Cette étude prospective de cohorte multicentrique s'est déroulée dans sept Départements d’urgence (DU) du Canada. Les patients non hospitalisés âgés de ≥ 14 ans ayant subi un TCCL ≤ 24 heures avant leur visite au DU et présentant un score de Glasgow de ≥ 13 ont été inclus. Le critère principal de jugement était la présence d’au moins 3 symptômes au Rivermead Post-concussion Questionnaire 90 jours après le traumatisme. Les critères de jugement secondaires étaient la prévalence de 1) chacun des symptômes du Rivermead Post-concussion Questionnaire 2) score total du Rivermead Post-concussion Questionnaire ≥ 21 et 3) retour aux activités habituelles. Des risques relatifs ajustés (RR) ont été calculés.
Résultats
Un total de 1727 patients a été inclu, dont 363 (21,0 %) ont subi un TCCL lié au sport. Des proportions similaires de patients présentant ≥ 3 symptômes, un score ≥ 21 au Rivermead Post-concussion Questionnaire et de participants ayant repris leurs activités habituelles ont été observés à 7 et 90 jours après la blessure. Les patients avec TCCL lié au sport présentaient un risque plus élevé de manque de concentration (RR: 1,3 [IC à 95 % = 1,05-1,54]) et de non-retour aux activités sportives (RR: 2,2 [IC à 95 % = 1,69-2,94]) à 7 jours après la blessure. À 90 jours, les patients avec TCCL lié au sport ont signalé moins de fatigue (RR: 0,7 [IC à 95 % = 0,51-0,98]) et de sensation de vertige (RR: 0,6 [IC à 95 % = 0,35-0,99]).
Conclusion
Les patients qui ont subi un TCCL lié au sport seraient moins à risque de présenter des symptômes tels que de la fatigue et des étourdissements 90 jours après la blessure. Les cliniciens doivent être conscients que les patients avec TCCL non lié au sport peuvent présenter davantage de symptômes post-commotionnels et que le niveau d’activité physique peut influencer la réadaptation du patient.
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Acknowledgements
We are deeply indebted to all the patients who participated in this study and gratefully acknowledge the emergency physicians at the study sites who recruited the patients and the emergency medicine residents who helped in this process. We acknowledge the following members of our research team: Quebec site—Marilyne Dufresne, Martin Roy, Catherine Bédard and Suzy Lavoie; Lévis site—Lise Lavoie and Josée Jolicoeur; Trois-Rivières site—Émilie Gouin and Annie Cossette; Montreal site—Chantal Lanthier, Tanya Leduc and Catherine Perreault-Légaré; Ottawa site—Connor Sheehan.
Funding
This study was funded by the Canadian Institutes of Health Research. FB was recipient of a scholarship from the Faculté de Médecine de l’Université Laval.
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Beauchamp, F., Boucher, V., Neveu, X. et al. Post-concussion symptoms in sports-related mild traumatic brain injury compared to non-sports-related mild traumatic brain injury. Can J Emerg Med 23, 223–231 (2021). https://doi.org/10.1007/s43678-020-00060-0
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DOI: https://doi.org/10.1007/s43678-020-00060-0