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McPherson JI, Marsh AC, Cunningham A, Leddy JJ, Corrado C, Cheema ZD, Nazir MSZ, Nowak AS, Farooq O, Willer BS, Haider MN. An Exploratory Analysis of Physical Examination Subtypes in Pediatric Athletes With Concussion. Clin J Sport Med 2024:00042752-990000000-00173. [PMID: 38329287 DOI: 10.1097/jsm.0000000000001207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 12/01/2023] [Indexed: 02/09/2024]
Abstract
OBJECTIVE Pediatric athletes with concussion present with a variety of impairments on clinical assessment and require individualized treatment. The Buffalo Concussion Physical Examination is a brief, pertinent clinical assessment for individuals with concussion. The purpose of this study was to identify physical examination subtypes in pediatric athletes with concussion within 2 weeks of injury that are relevant to diagnosis and treatment. DESIGN Secondary analysis of a published cohort study and clinician consensus. SETTING Three university-affiliated sports medicine centers. PARTICIPANTS Two hundred seventy children (14.9 ± 1.9 years). INDEPENDENT VARIABLES Orthostatic intolerance, horizontal and vertical saccades, smooth pursuits, vestibulo-ocular reflex, near-point convergence, complex tandem gait, neck range of motion, neck tenderness, and neck spasm. MAIN OUTCOME MEASURES Correlations between independent variables were calculated, and network graphs were made. k-means and hierarchical clustering were used to identify clusters of impairments. Optimal number of clusters was assessed. Results were reviewed by experienced clinicians and consensus was reached on proposed subtypes. RESULTS Physical examination clusters overlapped with each other, and no optimal number of clusters was identified. Clinician consensus suggested 3 possible subtypes: (1) visio-vestibular (horizontal and vertical saccades, smooth pursuits, and vestibulo-ocular reflex), (2) cervicogenic (neck range of motion and spasm), and (3) autonomic/balance (orthostatic intolerance and complex tandem gait). CONCLUSIONS Although we identified 3 physical examination subtypes, it seemed that physical examination findings alone are not enough to define subtypes that are both statistically supported and clinically relevant, likely because they do not include symptoms, assessment of mood or cognitive problems, or graded exertion testing.
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Affiliation(s)
- Jacob I McPherson
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, New York
| | | | - Adam Cunningham
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
| | - John J Leddy
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York
| | - Cathlyn Corrado
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
| | - Zaheerud D Cheema
- Department of Neurology, Division of Pediatric Neurology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York
| | - Muhammad S Z Nazir
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
| | - Andrew S Nowak
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
- Central Michigan University College of Medicine, Mt. Pleasant, Michigan; and
| | - Osman Farooq
- Department of Neurology, Division of Pediatric Neurology, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York
| | - Barry S Willer
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
- Department of Psychiatry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York
| | - Mohammad N Haider
- University Concussion Management Clinic and Research Center, UBMD Orthopedics and Sports Medicine, Buffalo, New York
- Department of Orthopaedics, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York
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Riccardi JS. A Preliminary Investigation of Stakeholders' Perspectives on Cognitive Fatigue After Childhood Brain Injury. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2024; 33:435-442. [PMID: 37816226 DOI: 10.1044/2023_ajslp-23-00204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
BACKGROUND Cognitive fatigue after childhood acquired brain injury (ABI) is known to negatively impact engagement in typical academic and social activities, yet limited evidence is available to inform speech-language pathologists' (SLPs') clinical practices. The purpose of this research study was to explore stakeholders' perspectives on cognitive fatigue for children with ABI to inform future directions for clinicians and researchers. METHOD Twelve parents of children with traumatic brain injury and 35 SLPs participated in an online survey with 33 and 49 questions, respectively, including participant characteristics and perspectives on cognitive fatigue. RESULTS Parents reported being between "somewhat" and "highly aware" about cognitive fatigue, whereas SLPs reported being between "neither aware or not aware" and "somewhat aware." Parents reported being between "somewhat comfortable" and "very comfortable," whereas SLPs reported being between "neither comfortable or uncomfortable" and "somewhat comfortable" addressing cognitive fatigue in children with ABI. SLPs "somewhat" to "strongly" agreed that cognitive fatigue for children with ABI was within their scope of practice. Parents and SLPs reported accommodations and strategies useful to managing cognitive fatigue in children with brain injury, as well as factors that worsen and lessen cognitive fatigue. CONCLUSIONS While additional foundational and translation research is needed, the perspectives of parents and SLPs begin to address a critical gap in SLPs' assessment and management of cognitive fatigue in children with ABI. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.24216576.
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Glendon K, Pain MTG, Hogervorst E, Belli A, Blenkinsop G. Musculoskeletal injury or Sports-Related Concussion (SRC) in a season of rugby union does not affect performance on concussion battery testing in university-aged student-athletes. Phys Ther Sport 2024; 65:137-144. [PMID: 38181564 DOI: 10.1016/j.ptsp.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/08/2023] [Accepted: 12/18/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Sub-concussive and concussive impacts sustained during contact sports such as rugby may affect neurocognitive performance, vestibular-ocular-motor function, symptom burden and academic ability. METHOD Student-athletes (n = 146) participating in rugby union British Universities or domestic competitions were assessed on the Immediate Post-Concussion and Cognitive Test, Post-Concussion Symptom Scale, vestibular-oculo-motor screening tool and revised perceived academic impact tool. Individual change from pre-season (July-September 2021) to 2-weeks following last exposure to contact (April-July 2022) was analysed. RESULTS Symptom burden significantly worsened (p=0.016) over the season. Significant improvements on verbal memory (p=0.016), visual memory (p=0.008) and motor processing speed (p=0.001) suggest a possible learning effect. Surprisingly, the number of days lost to concussion significantly and positively affected performance on verbal memory (p = 0.018) and reaction time (p = 0.027). Previous concussive events significantly predicted a worsening in symptom burden (p < 0.028), as did in-season concussive events, predicting improved verbal memory (p = 0.033) and symptom burden change (p = 0.047). Baseline performance significantly affected change on several neurocognitive tests, with low-scorers showing more improvement over the season. CONCLUSION Participation in rugby union was not associated with deleterious effects on brain function. Previous concussive events and in-season factors, possibly related to learning effects, may explain improvement in cognitive function across the season.
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Affiliation(s)
- K Glendon
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK.
| | - M T G Pain
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - E Hogervorst
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - A Belli
- Institute of Inflammation and Ageing, University of Birmingham, UK
| | - G Blenkinsop
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK.
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Terpstra AR, Louie DR, Iverson GL, Yeates KO, Picon E, Leddy JJ, Silverberg ND. Psychological Contributions to Symptom Provocation Testing After Concussion. J Head Trauma Rehabil 2023; 38:E146-E155. [PMID: 35687896 DOI: 10.1097/htr.0000000000000796] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Following concussion, symptoms such as headache, dizziness, and fatigue may transiently worsen or reemerge with increased exertion or activity. Standardized tests have been developed to assess symptom increases following aerobic, cognitive, or vestibular/oculomotor challenge. Although neurophysiological mechanisms are proposed to underlie symptom increases following exertion, psychological factors such as anxiety and misinterpretation of normal bodily sensations may also play a role. In this study, we examined the contribution of psychological factors to symptom provocation testing outcomes. SETTING Two outpatient concussion clinics in British Columbia, Canada. PARTICIPANTS Adults with persistent symptoms following concussion ( N = 79; 62% women). DESIGN In a single session, participants completed self-report questionnaires measuring the psychological factors of interest and underwent symptom provocation testing including aerobic (Buffalo Concussion Bike Test; BCBT), cognitive (National Institutes of Health Toolbox-Cognition Battery; NIHTB-CB), and vestibular/oculomotor (Vestibular/Ocular Motor Screening for Concussion; VOMS) challenge. MAIN MEASURES Psychological factors of interest included premorbid and current anxiety (Generalized Anxiety Disorder-7; GAD-7), catastrophizing (Pain Catastrophizing Scale-Adapted; PCS-A), fear avoidance behavior (Fear Avoidance Behavior after Traumatic Brain Injury; FAB-TBI), and somatization (Patient Health Questionnaire-15; PHQ-15). Our primary outcome variables were self-reported symptom change during each symptom provocation test. RESULTS We found that current anxiety ( B = 0.034; 95% CI = 0.003, 0.065), symptom catastrophizing ( B = 0.013; 95% CI = 0.000, 0.026), fear avoidance behavior ( B = 0.029; 95% CI = 0.008, 0.050), and somatization ( B = 0.041; 95% CI = 0.007, 0.075) were associated with increased symptoms during the VOMS in univariate models adjusted for time postinjury but not in a multivariable model that included all covariates. The psychological variables of interest were not significantly related to symptom change during the BCBT or NIHTB-CB. CONCLUSION Our findings suggest that symptom provocation test failure should be interpreted with caution because it might indicate psychological maladjustment rather than lingering brain injury or incomplete neurophysiological recovery.
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Affiliation(s)
- Alex R Terpstra
- Departments of Psychology (Mr Terpstra, Ms Picon, and Dr Silverberg) and Physical Therapy (Dr Louie), University of British Columbia, Vancouver, British Columbia, Canada; Rehabilitation Research Program, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada (Drs Louie and Silverberg); Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts (Dr Iverson); Spaulding Rehabilitation Hospital and Spaulding Research Institute, Boston, Massachusetts (Dr Iverson); MassGeneral Hospital for Children Sports Concussion Program, Boston, Massachusetts (Dr Iverson); and Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown, Massachusetts (Dr Iverson); Department of Psychology, University of Calgary (Dr Yeates), Alberta Children's Hospital Research Institute (Dr Yeates), and Hotchkiss Brain Institute (Dr Yeates), Calgary, Alberta, Canada; and UBMD Orthopaedics and Sports Medicine, SUNY Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York (Dr Leddy)
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Leddy JJ, Haider MN, Noble JM, Rieger B, Flanagan S, McPherson JI, Shubin-Stein K, Saleem GT, Corsaro L, Willer B. Clinical Assessment of Concussion and Persistent Post-Concussive Symptoms for Neurologists. Curr Neurol Neurosci Rep 2021; 21:70. [PMID: 34817724 DOI: 10.1007/s11910-021-01159-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Concussion produces a variety of signs and symptoms. Most patients recover within 2-4 weeks, but a significant minority experiences persistent post-concussive symptoms (PPCS), some of which may be from associated cervical or persistent neurologic sub-system (e.g., vestibular) dysfunction. This review provides evidence-based information for a pertinent history and physical examination of patients with concussion. RECENT FINDINGS The differential diagnosis of PPCS is based on the mechanism of injury, a thorough medical history and concussion-pertinent neurological and cervical physical examinations. The concussion physical examination focuses on elements of autonomic function, oculomotor and vestibular function, and the cervical spine. Abnormalities identified on physical examination can inform specific forms of rehabilitation to help speed recovery. Emerging data show that there are specific symptom generators after concussion that can be identified by a thorough history, a pertinent physical examination, and adjunct tests when indicated.
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Affiliation(s)
- John J Leddy
- UBMD, Department of Orthopaedics and Sports Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 160 Farber Hall, Buffalo, NY, 14214, USA.
| | - Mohammad Nadir Haider
- UBMD, Department of Orthopaedics and Sports Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 160 Farber Hall, Buffalo, NY, 14214, USA.,Department of Neuroscience, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 160 Farber Hall, Buffalo, NY, 14214, USA
| | - James M Noble
- Department of Neurology, Taub Institute for Research On Alzheimer's Disease and the Aging Brain, and G.H. Sergievsky Center, Columbia University, New York, NY, USA
| | - Brian Rieger
- Department of Physical Medicine and Rehabilitation, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Steven Flanagan
- Department of Rehabilitation Medicine, Rusk Institute of Rehabilitation Medicine, New York University School of Medicine, New York, NY, USA
| | - Jacob I McPherson
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, State University of New York at Buffalo, 160 Farber Hall, Buffalo, NY, 14214, USA
| | | | - Ghazala T Saleem
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, State University of New York at Buffalo, 160 Farber Hall, Buffalo, NY, 14214, USA
| | - Louis Corsaro
- Northern Westchester and Southern Putnam County School Districts, New York, NY, USA
| | - Barry Willer
- Department of Psychiatry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, 160 Farber Hall, Buffalo, NY, 14214, USA
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Leddy JJ, Haider MN, Noble JM, Rieger B, Flanagan S, McPherson JI, Shubin-Stein K, Saleem GT, Corsaro L, Willer B. Management of Concussion and Persistent Post-Concussive Symptoms for Neurologists. Curr Neurol Neurosci Rep 2021; 21:72. [PMID: 34817719 DOI: 10.1007/s11910-021-01160-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE OF REVIEW Concussion is a complex injury that may present as a variety of clinical profiles, which can overlap and reinforce one another. This review summarizes the medical management of patients with concussion and persistent post-concussive symptoms (PPCS). RECENT FINDINGS Management of concussion and PPCS relies on identifying underlying symptom generators. Treatment options include sub-symptom threshold aerobic exercise, cervical physical therapy, vestibular therapy, vision therapy, cognitive rehabilitation, cognitive behavioral therapy, pharmacological management, or a combination of treatments. Evidence-based treatments have emerged to treat post-concussion symptom generators for sport-related concussion and for patients with PPCS.
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Affiliation(s)
- John J Leddy
- UBMD Department of Orthopaedics and Sports Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA.
| | - Mohammad Nadir Haider
- UBMD Department of Orthopaedics and Sports Medicine, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA.,Department of Neuroscience, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA
| | - James M Noble
- Department of Neurology, Taub Institute for Research On Alzheimer's Disease and the Aging Brain, and G.H. Sergievsky Center, Columbia University, New York, NY, USA
| | - Brian Rieger
- Department of Physical Medicine and Rehabilitation, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Steven Flanagan
- Department of Rehabilitation Medicine, Rusk Institute of Rehabilitation Medicine, New York University School of Medicine, New York, NY, USA
| | - Jacob I McPherson
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, NY, USA
| | | | - Ghazala T Saleem
- Department of Rehabilitation Sciences, School of Public Health and Health Professions, State University of New York at Buffalo, Buffalo, NY, USA
| | - Louis Corsaro
- Northern Westchester and Southern Putnam County School Districts, New York, NY, USA
| | - Barry Willer
- Department of Psychiatry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA
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Lees B, Earls NE, Meares S, Batchelor J, Oxenham V, Rae CD, Jugé L, Cysique LA. Diffusion Tensor Imaging in Sport-Related Concussion: A Systematic Review Using an a priori Quality Rating System. J Neurotrauma 2021; 38:3032-3046. [PMID: 34309410 DOI: 10.1089/neu.2021.0154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Diffusion tensor imaging (DTI) of brain white matter (WM) may be useful for characterizing the nature and degree of brain injury after sport-related concussion (SRC) and assist in establishing objective diagnostic and prognostic biomarkers. This study aimed to conduct a systematic review using an a priori quality rating strategy to determine the most consistent DTI-WM changes post-SRC. Articles published in English (until June 2020) were retrieved by standard research engine and gray literature searches (N = 4932), using PRISMA guidelines. Eligible studies were non-interventional naturalistic original studies that conducted DTI within 6 months of SRC in current athletes from all levels of play, types of sports, and sex. A total of 29 articles were included in the review, and after quality appraisal by two raters, data from 10 studies were extracted after being identified as high quality. High-quality studies showed widespread moderate-to-large WM differences when SRC samples were compared to controls during the acute to early chronic stage (days to weeks) post-SRC, including both increased and decreased fractional anisotropy and axial diffusivity and decreased mean diffusivity and radial diffusivity. WM differences remained stable in the chronic stage (2-6 months post-SRC). DTI metrics were commonly associated with SRC symptom severity, although standardized SRC diagnostics would improve future research. This indicates that microstructural recovery is often incomplete at return to play and may lag behind clinically assessed recovery measures. Future work should explore interindividual trajectories to improve understanding of the heterogeneous and dynamic WM patterns post-SRC.
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Affiliation(s)
- Briana Lees
- The Matilda Centre, The University of Sydney, Sydney, New South Wales, Australia
| | - Nicola E Earls
- Department of Psychology, Macquarie University, Sydney, New South Wales, Australia
| | - Susanne Meares
- Department of Psychology, Macquarie University, Sydney, New South Wales, Australia
| | - Jennifer Batchelor
- Department of Psychology, Macquarie University, Sydney, New South Wales, Australia
| | - Vincent Oxenham
- Department of Psychology, Macquarie University, Sydney, New South Wales, Australia.,Neuroscience Research Australia, Randwick, New South Wales, Australia.,Department of Neurology, Royal North Shore Hospital, Sydney, New South Wales, Australia
| | - Caroline D Rae
- Neuroscience Research Australia, Randwick, New South Wales, Australia.,School of Medical Sciences, UNSW Medicine, The University of New South Wales, Sydney, New South Wales, Australia
| | - Lauriane Jugé
- Neuroscience Research Australia, Randwick, New South Wales, Australia.,School of Medical Sciences, UNSW Medicine, The University of New South Wales, Sydney, New South Wales, Australia
| | - Lucette A Cysique
- Neuroscience Research Australia, Randwick, New South Wales, Australia.,St. Vincent's Hospital Applied Medical Research Centre, Peter Duncan Neuroscience, Sydney, New South Wales, Australia.,School of Psychology, The University of New South Wales, Sydney, New South Wales, Australia
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Identifying School Challenges Following Concussion: Psychometric Evidence for the Concussion Learning Assessment & School Survey, 3rd Ed. (CLASS-3). JOURNAL OF PEDIATRIC NEUROPSYCHOLOGY 2020. [DOI: 10.1007/s40817-020-00092-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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