Thomas A Buckley
No abstract text is available yet for this article.
January 13, 2021: Journal of Sport and Health Science
Kathryn L Van Pelt, Jaclyn B Caccese, James T Eckner, Margot Putukian, M Allison Brooks, Kenneth L Cameron, Megan N Houston, Matthew A Posner, Jonathan C Jackson, Gerald T McGinty, Cameron J Hillis, Thomas W McAllister, Michael A McCrea, Steven P Broglio, Thomas A Buckley
BACKGROUND: Since concussion is the most common injury in ice hockey, the objective of the current study was to elucidate risk factors, specific mechanisms, and clinical presentations of concussion in men's and women's ice hockey. METHODS: Ice hockey players from 5 institutions participating in the Concussion Assessment, Research and Education (CARE) Consortium were eligible for the current study. Participants who sustained a concussion outside of this sport were excluded...
January 13, 2021: Journal of Sport and Health Science
Kelly Sarmiento, Dana Waltzman, David Wright
BACKGROUND: There is a dearth of information and guidance for healthcare providers on how to manage a patient's return to driving following a mild traumatic brain injury (mTBI). METHODS: Using the 2020 DocStyles survey, 958 healthcare providers were surveyed about their diagnosis and management practices related to driving after an mTBI. RESULTS: Approximately half (52.0%) of respondents reported routinely (more than 75% of the time) talking with patients with mTBI about how to safely return to driving after their injury...
January 15, 2021: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
Saef Izzy, Zabreen Tahir, Rachel Grashow, David J Cote, Ali Al Jarrah, Amar Dhand, Herman Taylor, Michael Whalen, David M Nathan, Karen Miller, Frank Speizer, Aaron Baggish, Marc Weisskopf, Ross D Zafonte
While chronic neurological effects from concussion have been widely studied, little is known about possible links between concussion and long-term medical and behavioral comorbidities. We performed a retrospective cohort study of 9,205 adult concussion patients, matched to non-concussion controls from a hospital-based electronic medical registry. Patients with comorbidities prior to the index visit were excluded. Behavioral and medical comorbidities were defined by ICD-9/10 codes. Groups were followed for up to 10 years to identify comorbidity incidence after a concussion...
January 15, 2021: Journal of Neurotrauma
Morgan Anderson, Kyle M Petit, Jessica Wallace, Tracey Covassin, Erica Beidler
CONTEXT: Mandated concussion education has aimed to improve student-athlete knowledge; however, some collegiate student-athletes continue to not disclose concussion. Concussion knowledge may not be the only factor influencing reporting, as student-athlete sex, sport, and pressure from external stakeholders (eg, coaches, teammates, fans, parents or family) have all been documented as influencing collegiate concussion-reporting behavior. OBJECTIVE: To examine predictors of concussion nondisclosure in collegiate student-athletes...
January 15, 2021: Journal of Athletic Training
Shane V Caswell, Patricia M Kelshaw, Andrew E Lincoln, Daniel C Herman, Lisa H Hepburn, Heather K Vincent, Reginald E Dunn, Nelson Cortes
Background: Girls' lacrosse headgear that met the ASTM International performance standard (ASTM F3137) became available in 2017. However, the effects of headgear use on impact forces during game play are unknown. Purpose: To evaluate potential differences in rates, magnitudes, and game-play characteristics associated with verified impacts among players with and without headgear during competition. Study Design: Cohort study; Level of evidence, 3...
December 2020: Orthopaedic Journal of Sports Medicine
Daniel Antonoff, Jordan Goss, Taylor Langevin, Christina Renodin, Lee Spahr, Jane McDevitt, Dianne Langford, John Rosene
Player-to-player contact is the most frequent head impact mechanism in collegiate ice hockey. Training with three-dimensional multiple object tracking (3D-MOT) could potentially reduce the quantity and severity of head impacts by enhancing player anticipation of these impacts. The purpose of this study was to evaluate the efficacy of 3D-MOT training to reduce the numbers of head impacts sustained by NCAA Division III men's and women's ice hockey players. Collegiate men's and women's ice hockey players (N = 33; men = 17, women = 16) were randomly assigned to a 3D-MOT group (3D-MOT = 17) or a control group (C = 16)...
January 15, 2021: Journal of Neurotrauma
Victoria Palafox-Sánchez, Zhe Ying, Luiz Fernando Freire Royes, Fernando Gomez-Pinilla
To shed light on the impact of systemic physiology on the pathology of traumatic brain injury (TBI), we examine the effects of TBI (concussive injury) and dietary fructose on critical aspects of lipid homeostasis in the brain and liver of young-adult rats. Lipids are integral components of brain structure and function, and the liver has a role on the synthesis and metabolism of lipids. Fructose is mainly metabolized in the liver with potential implications for brain function. Lipidomic analysis accompanied by unbiased sparse partial least squares discriminant analysis (sPLS-DA) identified lysophosphatidylcholine (LPC) and cholesterol ester (CE) as the top lipid families impacted by TBI and fructose in the hippocampus, and only LPC (16: 0) was associated with hippocampal-dependent memory performance...
January 11, 2021: Biochimica et Biophysica Acta. Molecular Basis of Disease
Jonathan Greenberg, Tanya Singh, Grant L Iverson, Noah D Silverberg, Eric A Macklin, Robert A Parker, Joseph T Giacino, Gloria Y Yeh, Ana-Maria Vranceanu
BACKGROUND: Every year, approximately 42 million people sustain a mild traumatic brain injury (mTBI, also known as concussion), with particularly high rates among college-aged individuals. A substantial proportion of these people (44%-64%) develop persistent symptoms that are challenging to treat, costly, and associated with significant disability. Anxiety has emerged as a risk factor for progression from acute to persistent mTBI symptoms. OBJECTIVE: This study aims to develop, adapt, and establish the feasibility of the Toolkit for Optimal Recovery after Concussions (TOR-C), an innovative mind-body program aimed at preventing persistent symptoms among young adults with mTBI and comorbid anxiety...
January 14, 2021: JMIR Research Protocols
Kesley A Ramsey, Christopher Vaughan, Barry M Wagner, Joseph F McGuire, Gerard A Gioia
OBJECTIVE: The purpose of this study was to examine whether self-efficacy predicted pediatric concussion symptom severity and explore whether affective mood states (e.g., depression) influenced this relationship. METHOD: Children (8-17 years) who were diagnosed with a concussion within 30 days of injury participated in the study (n = 105). Following a clinical assessment, participants and caregivers completed questionnaires that assessed overall concussion symptom severity and current depression symptoms...
January 14, 2021: Journal of the International Neuropsychological Society: JINS
Yiyang Zhuang, Qingbo Yang, Taihao Han, Ryan O'Malley, Aditya Kumar, Rex E Gerald, Jie Huang
BACKGROUND: Mild traumatic brain injury (mTBI) strongly associates with chronic neurodegenerative impairments such as post-traumatic stress disorder (PTSD) and mild cognitive impairment. Early detection of concussive events would significantly enhance the understanding of head injuries and provide better guidance for urgent diagnoses and the best clinical practices for achieving full recovery. NEW METHOD: A smart helmet was developed with a single embedded fiber Bragg grating (FBG) sensor for real-time sensing of blunt-force impact events to helmets...
January 10, 2021: Journal of Neuroscience Methods
Kasper Lolk, Julie W Dreier, Jakob Christensen
Traumatic brain injury is associated with increased risk of epilepsy, but the importance of repeated traumatic brain injuries has not yet been established. We performed a nationwide population-based cohort study of 2 476 905 individuals born in Denmark between 1977 and 2016. We estimated hazard ratios (HRs) and the cumulative incidence of epilepsy following traumatic brain injury using Cox and competing risk regression, respectively. To estimate the cumulative incidence of epilepsy in the population without traumatic brain injury, we matched 10 controls for each subject with traumatic brain injury on year of birth, sex, and date of brain insult in the index person...
January 13, 2021: Brain
Grant Rauterkus, Deborah Moncrieff, Gregory Stewart, Erika Skoe
OBJECTIVES: Recent retrospective studies report differences in auditory neurophysiology between concussed athletes and uninjured controls using the frequency-following response (FFR). Adopting a prospective design in college football players, we compared FFRs before and after a concussion and evaluated test-retest reliability in non-concussed teammates. DESIGN: Testing took place in a locker room. We analysed the FFR to the fundamental frequency (F0) (FFR-F0) of a speech stimulus, previously identified as a potential concussion biomarker...
January 13, 2021: International Journal of Audiology
Nikki E Barczak-Scarboro, Patricia R Roby, Adam W Kiefer, MaryBeth Bailar-Heath, Riley J Burke, Stephen M DeLellis, Shawn F Kane, James H Lynch, Gary E Means, Patrick J Depenbrock, Jason P Mihalik
Military resilience research is increasing due to the growing literature associating resilience with stress adaptation. The present study aimed to investigate which physiological stress adaptation components were associated with resilience in Special Operation Forces combat service members. Special Operations Forces combat service members (n=117) self-reported resilience (ER89) and self-reported lifetime clinician-confirmed mild traumatic brain injury history. Participants also underwent transcranial Doppler ultrasonography to measure middle cerebral artery velocity during rest and a breath-holding task...
January 11, 2021: European Journal of Neuroscience
Breton M Asken, William G Mantyh, Renaud La Joie, Amelia Strom, Kaitlin B Casaletto, Adam M Staffaroni, Alexandra C Apple, Cutter A Lindbergh, Leonardo Iaccarino, Michelle You, Harli Grant, Corrina Fonseca, Charles Windon, Kyan Younes, Jeremy Tanner, Gil D Rabinovici, Joel H Kramer, Raquel C Gardner
We investigated whether clinically normal older adults with remote, mild traumatic brain injury (mTBI) show evidence of higher cortical Aβ burden. Our study included 134 clinically normal older adults (age 74.1 ± 6.8 years, 59.7% female, 85.8% white) who underwent Aβ positron emission tomography (Aβ-PET) and who completed the Ohio State University Traumatic Brain Injury Identification questionnaire. We limited participants to those reporting injuries classified as mTBI. A subset (N = 30) underwent a second Aβ-PET scan (mean 2...
January 11, 2021: Brain Imaging and Behavior
Austin Peña, Gina Dumkrieger, Visar Berisha, Katherine Ross, Catherine D Chong, Todd J Schwedt
OBJECTIVE: Persistent posttraumatic headache (PPTH), one of the most common symptoms following mild traumatic brain injury, is often associated with substantial functional disability. The objective of this study was to assess the contribution of demographics, headache characteristics, and psychological symptoms to disability associated with PPTH. METHODS: Participants completed the State-Trait Anxiety Inventory (STAI), the Beck Depression Inventory (BDI), the Pain Catastrophizing Scale (PCS), and the Migraine Disability Assessment (MIDAS) questionnaire...
January 12, 2021: Pain Medicine
Karen Maria Barlow, Kartik Iyer, Tingting Yan, Alex Scurfield, Helen L Carlson, Yang Wang
Persistent post-concussion symptoms (PPCS) following pediatric mild traumatic brain injury (mTBI) are associated with differential changes in cerebral blood flow (CBF). Given its potential as a therapeutic target, we examined CBF changes during recovery in children with PPCS. We hypothesized that CBF would decrease and that such decreases would mirror clinical recovery. In a prospective cohort study, 61 children (mean age 14 (SD=2.6) years; 41% male) with PPCS were imaged with 3D pseudo-continuous arterial spin-labelled (pCASL) MRI at 4-6 and 8-10 weeks post-injury...
January 11, 2021: Journal of Neurotrauma
Daniel H Daneshvar, Maya Yutsis, Christine M Baugh, Roy D Pea, Shelley Goldman, Gerald A Grant, Jamshid Ghajar, Lee M Sanders, Christine Chen, Lea-Tereza Tenekedjieva, Shravya Gurrapu, Ross D Zafonte, Piya Sorcar
CONTEXT: Concussion underreporting leads to delays in diagnosis and treatment, prolonging recovery time. Athletes' self-report of concussion symptoms therefore reduces risk. OBJECTIVE: Evaluate the efficacy of three concussion education programs in improving concussion-reporting intention. DESIGN: Randomized controlled clinical trial with assessment immediately and one-month after education. SETTING: Three high schools in California...
January 6, 2021: Journal of Athletic Training
Michael Popovich, Andrew Sas, Andrea Ana Almeida, Jeremiah Freeman, Bara Alsalaheen, Matthew Lorincz, James T Eckner
CONTEXT: Supervised exercise challenges (SECs) have been shown to be safe and beneficial in the early symptomatic period after concussion. Thus far, most in-clinic SECs studied have included a form of basic aerobic exercise only. An SEC that also includes dynamic forms of exercise mimics all steps of a standard return-to-play progression and may enhance the detection of concussion symptoms to guide in-clinic management decisions. OBJECTIVE: To determine whether an SEC that includes a dynamic SEC (DSEC) uncovered symptoms that would not have been identified by an SEC involving an aerobic SEC (ASEC) alone in adolescent patients with sport-related concussion...
January 11, 2021: Journal of Athletic Training
Natalie Sherry, Alicia Trbovich, Cyndi Holland, Shawn Eagle, Hannah Bitzer, Anthony P Kontos
The goal of the current study was to determine which sport/recreation-related concussion (SRC) assessments predict academic reading performance following SRC. The study included 70 concussed students aged 14-22 years ( M  = 16.21, SD  = 1.90) evaluated 2-30 days ( M  = 8.41, SD  = 5.88) post-injury. SRC assessments included: Post-Concussion Symptom Scale, Immediate Post-Concussion Assessment and Cognitive Testing, Vestibular/Ocular Motor Screening, and King-Devick test. The Nelson-Denny Reading Test (NDRT) comprehension subtest measured academic reading accuracy and rate...
January 11, 2021: Applied Neuropsychology. Child
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