Incremental Effects of Subsequent Concussions on Cognitive Symptoms in the Sport Concussion Assessment Tool.
Journal
Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine
ISSN: 1536-3724
Titre abrégé: Clin J Sport Med
Pays: United States
ID NLM: 9103300
Informations de publication
Date de publication:
01 11 2022
01 11 2022
Historique:
received:
23
11
2021
accepted:
14
03
2022
pubmed:
22
4
2022
medline:
3
11
2022
entrez:
21
4
2022
Statut:
ppublish
Résumé
Patients who are fully recovered from a concussion may still be more vulnerable in the face of subsequent concussions. This study examines symptoms associated with repeated concussions in young and otherwise healthy adults. Cross sectional. Institutional study at a university setting. University students with a history of concussion. Participants were grouped based on numbers of concussions. The impact of incremental concussion on symptom clusters in Sport Concussion Assessment Tools 5 and Spearman ranking correlation coefficients between symptom clusters. One hundred thirty-five participants reported having had 1 concussion, 63 reported 2 concussions, 50 reported 3 concussions, and 43 reported 4 to 6 concussions. Total severity scores over the range of concussion number (1, 2, 3, and greater than 3) did not show a clear incremental effect. However, average scores of cognitive symptoms rose with each subsequent concussion ( P ≤ 0.05). The largest incremental effect observed was that of second concussions on emotional symptom scores (t = 5.85, P < 0.01). Symptoms in the emotional and cognitive clusters were the most correlated regardless of the number of reported concussions; the correlations were lowest with symptoms associated with sensitivity to light or noise. The incremental rise of cognitive symptom scores with each concussion affirms the importance of cognitive impairment in concussion assessment and implies a cumulative brain vulnerability that persists even after symptom resolution. The cognitive-emotional symptom clusters may reflect underlying concussion-induced impairments in the corticostriatothalamocortical (CSTC) networks, although sensitivity symptoms are potentially attributable to different neural correlates.
Identifiants
pubmed: 35447628
doi: 10.1097/JSM.0000000000001042
pii: 00042752-202211000-00018
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e568-e572Informations de copyright
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.
Déclaration de conflit d'intérêts
The authors report no conflicts of interest.
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