Henry Dsouza, Bianca M Dávila-Montero, Ian Gonzalez Afanador, Gerardo Morales Torres, Yunqi Cao, Ricardo Mejia-Alvarez, Nelson Sepúlveda
Our knowledge of traumatic brain injury has been fast growing with the emergence of new markers pointing to various neurological changes that the brain undergoes during an impact or any other form of concussive event. In this work, we study the modality of deformations on a biofidelic brain system when subject to blunt impacts, highlighting the importance of the time-dependent behavior of the resulting waves propagating through the brain. This study is carried out using two different approaches involving optical (Particle Image Velocimetry) and mechanical (flexible sensors) in the biofidelic brain...
June 2, 2023: Scientific Reports
Jeffrey Brian Hainsworth, Alan Johnson, Shana Godfred-Cato, George J Smolinski, Kendra Jorgensen-Wagers
OBJECTIVES: This study aims to describe which concussion subtype(s) result specifically from the explosions of theatre ballistic missiles (TBMs) blast waves, an extremely rare occurrence in modern warfare. We provide feedback from using the US military's standard acute concussion screening tool, the Military Acute Concussion Examination version 2, in a deployed, chaotic, real-world environment. BACKGROUND: Iran launched 27 professionally manufactured TBMs into Iraq on 8 January 2020...
2023: BMJ neurology open
María Julieta Russo, Fernando Salvat, Agostina Kañevsky, Ricardo Francisco Allegri, Gustavo Sevlever
OBJECTIVES: The purpose of this study was to investigate the relationship between on-field post-concussion symptoms reported by athletes, on-field neurological signs reported by a trainer or physician, and/or post-concussion symptoms 72 h after brain injury in male rugby players. DESIGN: Cross-sectional study in a Sports Concussion Clinic setting. METHODS: We enrolled 92 adult rugby union players, within the first 72 h after sport concussion...
May 22, 2023: Journal of Science and Medicine in Sport
Allie J Tracey, André G Bateman, Shelby E Baez, Tracey Covassin
OBJECTIVE: To identify and assess the effectiveness and quality of interventions targeted at improving mental health, well-being, and psychosocial impairments post-concussion. DATA SOURCES: EBSCOHost, SPORTSDiscus, PsychINFO, Medline (Web of Science), PubMed, and Embase databases. REVIEW METHODS: This systematic review is reported in accordance with the preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement in exercise, rehabilitation, sport medicine and sports science (PERSiST)...
May 31, 2023: Brain Injury
Shazia Malik, Omar Alnaji, Mahnoor Malik, Teresa Gambale, Forough Farrokhyar, Michel P Rathbone
Mild traumatic brain injuries (mTBIs) trigger a neuroinflammatory response, which leads to perturbations in the levels of inflammatory cytokines, resulting in a distinctive profile. A systematic review and meta-analysis were conducted to synthesize data related to levels of inflammatory cytokines in patients with mTBI. The electronic databases EMBASE, MEDLINE, and PUBMED were searched from January 2014 to December 12, 2021. A total of 5,138 articles were screened using a systematic approach based on the PRISMA and R-AMSTAR guidelines...
2023: Frontiers in Neurology
Allie J Tracey, Aaron J Zynda, Megan C Loftin, Alyssa M Pollard-McGrandy, Tamara C Valovich McLeod, Tracey Covassin
CONTEXT: Injury or illness can impact an individual's perception of their health status and health-related quality of life (HRQOL). Concussion is an injury that can result in several different symptoms, impairments, and functional limitations that have been found to lower HRQOL. Furthermore, concussion has been found to impact emotional and behavioral dyscontrol domains of HRQOL in pediatric populations; however, this has yet to be explored in other populations. OBJECTIVE: To compare individuals with and without a concussion history and (1) HRQOL and (2) the emotional and behavioral dyscontrol domains of HRQOL in college students...
May 26, 2023: Journal of Athletic Training
Gonçalo Flores, Diogo Monteiro, Fernanda Silva, Pedro Duarte-Mendes
OBJECTIVE: This systematic review aims to investigate the adaptations of the autonomic nervous system (ANS) after a concussion by measuring HRV in athletes over the age of 16 after injury. METHODS: This systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). Web of Science, Pubmed, SCOPUS, and Sport Discus were searched using predefined search terms to identify relevant original cross-sectional, longitudinal, and cohort epidemiological studies published before December 2021...
May 28, 2023: Scandinavian Journal of Medicine & Science in Sports
Hannah L Coyle, Neil W Bailey, Jennie Ponsford, Kate E Hoy
The mechanisms that underpin recovery following mild traumatic brain injury (mTBI) remain poorly understood. Identifying neurophysiological markers and their functional significance is necessary to develop diagnostic and prognostic indicators of recovery. The current study assessed 30 participants in the subacute phase of mTBI (10-31 days post-injury) and 28 demographically matched controls. Participants also completed 3 month (mTBI: N = 21, control: N = 25) and 6 month (mTBI: N = 15, control: N = 25) follow up sessions to track recovery...
May 9, 2023: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Ioannis Panagiotis Kyriazidis, Dominik A Jakob, Juliana Alexandra Hernández Vargas, Oscar H Franco, Elias Degiannis, Patrick Dorn, Sjaak Pouwels, Bijendra Patel, Ian Johnson, Christopher John Houdlen, Graham S Whiteley, Marion Head, Anil Lala, Haroon Mumtaz, J Agustin Soler, Katie Mellor, David Rawaf, Ahmed R Ahmed, Suhaib J S Ahmad, Aristomenis Exadaktylos
INTRODUCTION: The diagnosis of cardiac contusion, caused by blunt chest trauma, remains a challenge due to the non-specific symptoms it causes and the lack of ideal tests to diagnose myocardial damage. A cardiac contusion can be life-threatening if not diagnosed and treated promptly. Several diagnostic tests have been used to evaluate the risk of cardiac complications, but the challenge of identifying patients with contusions nevertheless remains. AIM OF THE STUDY: To evaluate the accuracy of diagnostic tests for detecting blunt cardiac injury (BCI) and its complications, in patients with severe chest injuries, who are assessed in an emergency department or by any front-line emergency physician...
May 27, 2023: World Journal of Emergency Surgery: WJES
Eric M Martin, Megan Byrd, Adriana Amador, Emma Ridenhour, Carolena Charalambous
CONTEXT: The influence of several psychological characteristics on the willingness of athletes to report concussion behaviors has not been well explored. Therefore, the purpose of this study was to understand how athletic identity and sport passion predicted participants' willingness to report symptoms above what was explained by athlete demographics, concussion knowledge, and perceived seriousness of concussions. DESIGN: The study was cross-sectional. METHODS: Three-hundred and twenty-two male and female high school and club sport athletes completed survey measures of concussion knowledge, athletic identity, harmonious and obsessive passion, and degree to which athletes indicated they would report concussions and concussion symptoms...
May 26, 2023: Journal of Sport Rehabilitation
Tatyana Mollayeva, Andrew Tran, Mackenzie Hurst, Michael Escobar, Angela Colantonio
INTRODUCTION: We investigated the association between sleep disorders (SDs) and incident dementia in adults with traumatic brain injury (TBI). METHODS: Adults with a TBI between 2003 and 2013 were followed until incident dementia. Sleep disorders at TBI were predictors in Cox regression models, controlling for other dementia risks. RESULTS: Over 52 months, 4.6% of the 712,708 adults (59% male, median age 44, <1% with SD) developed dementia...
2023: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
Lindsay Sullivan, Lara B McKenzie, Kristin Roberts, Robyn Recker, David C Schwebel, Thomas Pommering, Jingzhen Yang
BACKGROUND: Existing concussion education programs for preteen athletes typically do not result in sustained improvements in concussion symptom recognition or reporting behaviors. Virtual reality (VR) technology offers an innovative tool that may improve concussion symptom recognition and reporting behaviors among preteen athletes. OBJECTIVE: We aimed to describe the design and development of a VR concussion education app, Make Play Safe (MPS), and present findings on the usability and preliminary efficacy of MPS in improving concussion recognition and reporting intentions among soccer athletes aged 9-12 years...
May 26, 2023: JMIR Formative Research
F Carson, T Scott, M Campo, M J Hamlin
No abstract text is available yet for this article.
2023: Frontiers in sports and active living
Mille Nabsen Marwaa, Heidi Klakk Egebæk, Julie Dalgaard Guldager
OBJECTIVE: To identify and describe occupational and physiotherapy rehabilitation modalities used to support an interdisciplinary rehabilitation in adults (aged 16 + years) with concussion. METHODS: A scoping review methodology was used. Included studies were categorized according to Wade's elements of rehabilitation and the Danish White Paper definition of rehabilitation. RESULTS: Ten studies were included in this review, addressing: "assessment" (n = 9), "goal-setting" (n = 4), "training" (n = 10), and "social participation and discharge support" (n = 4)...
May 25, 2023: Journal of Rehabilitation Medicine
Rock P Vomer, Dusty Narducci, Emma York, Ryan Milon, Imoh Udoh
Persistent post-concussive syndrome (PPCS) outlines a complex array of neurocognitive and psychological symptoms that persist in patients after a concussion. A 58-year-old female presented reporting recurrent loss of consciousness, and retrograde and anterograde amnesia following multiple concussions. She also endorsed persistent nausea, balance insufficiencies, hearing loss, and cognitive impairment. In addition, this patient had high-risk sexual behavior without prior testing for sexually transmitted infections...
April 2023: Curēus
Sophie-Émilie Poulin-Lapierre, Simon Beaulieu-Bonneau, Claude Goulet, Kathleen Cairns, David Predovan, Marie-Christine Ouellet
OBJECTIVES: 1) To examine access and adherence to the Berlin (2016) recommendations for resuming physical and intellectual activities after mild traumatic brain injury (mTBI) (including an exploration of barriers and facilitators). 2) To assess post-mTBI symptoms in relation to recommendation adherence. METHOD: 73 participants who sustained a mTBI completed an online survey with questions about access and adherence to recommendations and validated measures of symptoms...
May 24, 2023: Brain Injury
Dean M Cordingley, Stephen M Cornish
No abstract text is available yet for this article.
May 24, 2023: Applied Physiology Nutrition and Metabolism
Xuanqi Wang, Hui Yu, Lei Dong, Dechen Wang
No abstract text is available yet for this article.
May 24, 2023: Applied Physiology Nutrition and Metabolism
Nicholas P Cherup, Linda E Robayo, Roberta Vastano, Loriann Fleming, Bonnie E Levin, Eva Widerström-Noga
Cognitive dysfunction, pain, and psychological morbidity all present unique challenges to those living with traumatic brain injury (TBI). In this study we examined (a) the impact of pain across domains of attention, memory, and executive function, and (b) the relationships between pain and depression, anxiety, and post-traumatic stress disorder (PTSD) in persons with chronic TBI. Our sample included 86 participants with a TBI and chronic pain ( n = 26), patients with TBI and no chronic pain ( n = 23), and a pain-free control group without TBI ( n = 37)...
May 23, 2023: Perceptual and Motor Skills
Christopher Kirk, Charmaine Childs
Automated pupil light reflex (PLR) is a valid indicator of dysfunctional autonomic brain function following traumatic brain injury. PLR's use in identifying disturbed autonomic brain function following repeated head impacts without outwardly visible symptoms has not yet been examined. As a combat sport featuring repeated 'sub-concussive' head impacts, mixed martial arts (MMA) sparring may provide a model to understand such changes. The aim of this pilot study was to explore which, if any, PLR variables are affected by MMA sparring...
May 4, 2023: Vision
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