Dataset Information

Research Evaluating Sports ConcUssion Events-Rapid Assessment of Concussion and Evidence for Return (RESCUE-RACER): a two-year longitudinal observational study of concussion in motorsport.

ABSTRACT:

Introduction

Concussion is a clinical diagnosis, based on self-reported patient symptoms supported by clinical assessments across many domains including postural control, ocular/vestibular dysfunction, and neurocognition. Concussion incidence may be rising in motorsport which, combined with unresolved challenges to accurate diagnosis and lack of guidance on the optimal return-to-race timeframe, creates a difficult environment for healthcare practitioners.

Methods and analysis

Research Evaluating Sports ConcUssion Events-Rapid Assessment of Concussion and Evidence for Return (RESCUE-RACER) evaluates motorsports competitors at baseline (Competitor Assessment at Baseline; Ocular, Neuroscientific (CArBON) study) and post-injury (Concussion Assessment and Return to motorSport (CARS) study), including longitudinal data. CArBON collects pre-injury neuroscientific data; CARS repeats the CArBON battery sequentially during recovery for competitors involved in a potentially concussive event. As its primary outcome, RESCUE-RACER will develop the evidence base for an accurate trackside diagnostic tool. Baseline objective clinical scoring (Sport Concussion Assessment Tool-5th edition (SCAT5)) and neurocognitive data (Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT)) will be assessed for specificity to motorsport and relationship to existing examinations. Changes to SCAT5 and ocular, vestibular, and reaction time function (Dx 100) will be estimated by the reliability change index as a practical tool for trackside diagnosis. Neuropsychological (Cambridge Neuropsychological Test Automated Battery (CANTAB)) assessments, brain MRI (7 Tesla) and salivary biomarkers will be compared with the new tool to establish utility in diagnosing and monitoring concussive injuries.

Ethics and dissemination

Ethical approval was received from East of England-Cambridge Central Research Ethics Committee (18/EE/0141). Participants will be notified of study outcomes via publications (to administrators) and summary reports (funder communications). Ideally, all publications will be open access.

Trial registration number

February 2019 nationally (Central Portfolio Management System 38259) and internationally (ClinicalTrials.gov NCT03844282).

SUBMITTER: Deakin ND

PROVIDER: S-EPMC7812087 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Publications

Research Evaluating Sports ConcUssion Events-Rapid Assessment of Concussion and Evidence for Return (RESCUE-RACER): a two-year longitudinal observational study of concussion in motorsport.

Deakin Naomi D ND Suckling John J Hutchinson Peter J PJ

BMJ open sport & exercise medicine 20210113 1

<h4>Introduction</h4>Concussion is a clinical diagnosis, based on self-reported patient symptoms supported by clinical assessments across many domains including postural control, ocular/vestibular dysfunction, and neurocognition. Concussion incidence may be rising in motorsport which, combined with unresolved challenges to accurate diagnosis and lack of guidance on the optimal return-to-race timeframe, creates a difficult environment for healthcare practitioners.<h4>Methods and analysis</h4>Rese ...[more]

PMID: 33500784

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Project description:ObjectiveThis study aimed to address a gap in concussion literature by investigating the relation between personality and return to play. It is important to know that earlier return to play places individuals at higher risk of sustaining a new concussion after an initial concussion.DesignParticipants were undergraduate students recruited from psychology courses in 2019 who reported medically confirmed sports-related concussion and medically advised return to play (N = 202). Participants completed an online battery in a supervised laboratory setting that included self-report survey measures, concussion history items, and behavioral impulsivity tasks. Kaplan-Meier analysis and Cox proportional hazards models were used to analyze time to return to play after participants' first reported sports-related concussion.ResultsResults showed that one subdimension of sensation seeking, experience seeking, and two subdimensions of self-reported impulsivity, attentional and motor impulsivity, were positively associated with earlier return to play after a sports-related concussion. In contrast, higher levels of conscientiousness were associated with later return to play.ConclusionsDespite a heterogeneous sample, significant relations were found between timing of return to play and sensation seeking, impulsivity, and conscientiousness. Because earlier return to play can heighten the risk of sustaining a new concussion after an initial concussion, it is important to identify characteristics-such as personality traits-that influence individuals' return-to-play behaviors.To claim cme creditsComplete the self-assessment activity and evaluation online at http://www.physiatry.org/JournalCME.Cme objectivesUpon completion of this article, the reader should be able to: (1) Distinguish between personality traits that resulted in earlier versus later return to play in this sample; (2) Describe why certain personality traits might be related to an earlier or later return-to-play timeline; and (3) List practical ways that these study results could be used to reduce adverse outcomes related to early return to play.LevelAdvanced.AccreditationThe Association of Academic Physiatrists is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.The Association of Academic Physiatrists designates this Journal-based CME activity for a maximum of 1.0 AMA PRA Category 1 Credit(s)™. Physicians should only claim credit commensurate with the extent of their participation in the activity.

Project description:Background and purposeQuantitative susceptibility mapping using MR imaging can assess changes in brain tissue structure and composition. This report presents preliminary results demonstrating changes in tissue magnetic susceptibility after sports-related concussion.Materials and methodsLongitudinal quantitative susceptibility mapping metrics were produced from imaging data acquired from cohorts of concussed and control football athletes. One hundred thirty-six quantitative susceptibility mapping datasets were analyzed across 3 separate visits (24 hours after injury, 8 days postinjury, and 6 months postinjury). Longitudinal quantitative susceptibility mapping group analyses were performed on stability-thresholded brain tissue compartments and selected subregions. Clinical concussion metrics were also measured longitudinally in both cohorts and compared with the measured quantitative susceptibility mapping.ResultsStatistically significant increases in white matter susceptibility were identified in the concussed athlete group during the acute (24 hour) and subacute (day 8) period. These effects were most prominent at the 8-day visit but recovered and showed no significant difference from controls at the 6-month visit. The subcortical gray matter showed no statistically significant group differences. Observed susceptibility changes after concussion appeared to outlast self-reported clinical recovery metrics at a group level. At an individual subject level, susceptibility increases within the white matter showed statistically significant correlations with return-to-play durations.ConclusionsThe results of this preliminary investigation suggest that sports-related concussion can induce physiologic changes to brain tissue that can be detected using MR imaging-based magnetic susceptibility estimates. In group analyses, the observed tissue changes appear to persist beyond those detected on clinical outcome assessments and were associated with return-to-play duration after sports-related concussion.

Project description:BackgroundGaelic games are some of the most popular sports played by Irish adolescents, and the Gaelic Athletic Association has undertaken educational initiatives to improve awareness of a sports-related concussion (SRC). However, SRC underreporting is common among adolescent athletes internationally, potentially due to poor knowledge or attitudes toward SRC. This study aimed to examine previous experiences with, knowledge of, and attitudes toward reporting SRCs, as well as views on future education in adolescent Gaelic games players and their parents.HypothesesThe hypotheses were as follows: (1) A significant number of adolescent Gaelic games players will have experienced an SRC, (2) nondisclosure of SRCs will be common, and (3) adolescents will display poorer attitudes toward reporting than parents.Study designCross-sectional study.Level of evidenceLevel 3.MethodsAdolescent male and female Gaelic games players (n = 113) and parents (n = 151) completed an anonymous questionnaire examining previous experiences with, knowledge of, and attitudes toward reporting SRCs, as well as views on future SRC education initiatives.ResultsOverall, 57.5% of adolescent Gaelic games players suspected they had suffered an SRC previously, and a greater number of suspected SRCs were reported than were medically diagnosed. Adolescent players (mean score, 11.4/14) and their parents (mean score, 11.8) displayed good knowledge of SRC signs and symptoms. However, adolescents were less likely to report an SRC during an important game or if an important game was coming up. Both adolescents and their parents would like more SRC education, particularly in the format of online videos or medical professional-led workshops.ConclusionUnderreporting of SRC occurs in adolescent players, despite good knowledge of SRC signs and symptoms. Education is required to highlight the importance of completing a return-to-play program after an SRC regardless of match importance.Clinical relevanceA multifaceted educational strategy that targets the wider Gaelic games community in the preferred formats identified by key stakeholders is required.

Project description:BackgroundRecognizing sport-related concussion (SRC) is challenging and relies heavily on subjective symptom reports. An objective, biological marker could improve recognition and understanding of SRC. There is emerging evidence that salivary micro-ribonucleic acids (miRNAs) may serve as biomarkers of concussion; however, it remains unclear whether concussion-related miRNAs are impacted by exercise. We sought to determine whether 40 miRNAs previously implicated in concussion pathophysiology were affected by participation in a variety of contact and non-contact sports. Our goal was to refine a miRNA-based tool capable of identifying athletes with SRC without the confounding effects of exercise.MethodsThis case-control study harmonized data from concussed and non-concussed athletes recruited across 10 sites. Levels of salivary miRNAs within 455 samples from 314 individuals were measured with RNA sequencing. Within-subjects testing was used to identify and exclude miRNAs that changed with either (a) a single episode of exercise (166 samples from 83 individuals) or (b) season-long participation in contact sports (212 samples from 106 individuals). The miRNAs that were not impacted by exercise were interrogated for SRC diagnostic utility using logistic regression (172 samples from 75 concussed and 97 non-concussed individuals).ResultsTwo miRNAs (miR-532-5p and miR-182-5p) decreased (adjusted p < 0.05) after a single episode of exercise, and 1 miRNA (miR-4510) increased only after contact sports participation. Twenty-three miRNAs changed at the end of a contact sports season. Two of these miRNAs (miR-26b-3p and miR-29c-3p) were associated (R > 0.50; adjusted p < 0.05) with the number of head impacts sustained in a single football practice. Among the 15 miRNAs not confounded by exercise or season-long contact sports participation, 11 demonstrated a significant difference (adjusted p < 0.05) between concussed and non-concussed participants, and 6 displayed moderate ability (area under curve > 0.70) to identify concussion. A single ratio (miR-27a-5p/miR-30a-3p) displayed the highest accuracy (AUC = 0.810, sensitivity = 82.4%, specificity = 73.3%) for differentiating concussed and non-concussed participants. Accuracy did not differ between participants with SRC and non-SRC (z = 0.5, p = 0.60).ConclusionSalivary miRNA levels may accurately identify SRC when not confounded by exercise. Refinement of this approach in a large cohort of athletes could eventually lead to a non-invasive, sideline adjunct for SRC assessment.

Dataset Information

Research Evaluating Sports ConcUssion Events-Rapid Assessment of Concussion and Evidence for Return (RESCUE-RACER): a two-year longitudinal observational study of concussion in motorsport.

Introduction

Methods and analysis

Ethics and dissemination

Trial registration number

Publications

Research Evaluating Sports ConcUssion Events-Rapid Assessment of Concussion and Evidence for Return (RESCUE-RACER): a two-year longitudinal observational study of concussion in motorsport.

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