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Kegel N, Zynda AJ, Feder AH, Trbovich A, Eagle SR, Smith P, Fazio-Sumrok V, Kontos AP. Immediate post-concussion assessment and cognitive testing Pediatric (ImPACT Pediatric) change scores and factors associated with performance in patients aged 5-9 years following concussion: Preliminary findings. APPLIED NEUROPSYCHOLOGY. CHILD 2024:1-8. [PMID: 39087557 DOI: 10.1080/21622965.2024.2379956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
BACKGROUND Computerized neurocognitive testing is one component of a multidomain assessment of concussion. However, the use of computerized neurocognitive testing has been limited to patients aged 11 years and up, leaving clinicians with few options to evaluate younger children. PURPOSE To examine the change in Immediate Post-concussion Assessment and Cognitive Testing Pediatric (ImPACT Pediatric) (ImPACT Applications, 2021) scores and factors associated with performance in children aged 5-9 years following a concussion. METHODS Participants included 63 children (42% [n = 27] female) aged 5-9 (M = 7.5 ± 1.0) years within 30 (M = 8.5 ± 5.9) days of a concussion. All participants completed the ImPACT Pediatric at their initial visit and at medical clearance for their return to activity (RTA) visit. The ImPACT Pediatric test is a computerized neurocognitive battery that includes 5 tests that assess memory and visual processing speed. Multivariate and univariate analyses of variance and paired t-tests were used to compare ImPACT Pediatric scores from the initial visit to medical clearance. Multivariate and univariate analyses of covariance and multiple linear regression examined factors associated with ImPACT Pediatric performance. RESULTS Participants demonstrated improved overall performance from the initial visit to the medical clearance visit (F(4, 59)=3.08, p = 0.02, Wilks' Λ = 0.83, ηp2=0.17), with significant improvement in Rapid Processing Speed (F(1, 62)=7.48, p < 0.01, ηp2=0.11). When controlling for age, sex, history of ADHD, and days to clinic, the improvement in overall performance remained significant (F(4, 51)=2.99, p = 0.03, Wilks' Λ = 0.81, ηp2=0.19). Older age was significantly associated with the Rapid Processing composite score at the initial visit (F(4, 59)=5.9, p < 0.001, Adj. R2=0.25) and medical clearance visit (F(4, 59)=3.8, p = 0.008, Adj. R2=0.16), with older children associated with better performance at both time points (Initial visit: B = 8.17, p < 0.001; Medical Clearance: B = 3.62, p = 0.03). CONCLUSION Our main findings suggest that children aged 5-9 years improved significantly in Rapid Processing on the ImPACT Pediatric from the initial visit to medical clearance. However, no differences were found for the memory components of the ImPACT Pediatric. Older children also performed better on processing speed than younger children. The findings suggest that the processing speed components of ImPACT Pediatric are useful for monitoring improvements in neurocognitive functioning following concussion in children aged 5-9 years, but that age differences need to be considered when interpreting performance.
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Affiliation(s)
- Nathan Kegel
- Department of Orthopedic Surgery, UPMC Sports Medicine Concussion Program, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Aaron J Zynda
- Department of Orthopedic Surgery, UPMC Sports Medicine Concussion Program, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Abigail H Feder
- Northside Hospital Concussion Institute, Atlanta, Georgia, USA
| | - Alicia Trbovich
- Department of Orthopedic Surgery, UPMC Sports Medicine Concussion Program, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Shawn R Eagle
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Vanessa Fazio-Sumrok
- Department of Orthopedic Surgery, UPMC Sports Medicine Concussion Program, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Anthony P Kontos
- Department of Orthopedic Surgery, UPMC Sports Medicine Concussion Program, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Rachel M, Jia H, Amina A, Perez-Garcia M, Kumar M, Wicherts JM. Psychometric evaluation of the computerized battery for neuropsychological evaluation of children (BENCI) among school aged children in the context of HIV in an urban Kenyan setting. BMC Psychiatry 2023; 23:373. [PMID: 37248481 DOI: 10.1186/s12888-023-04880-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/17/2023] [Indexed: 05/31/2023] Open
Abstract
INTRODUCTION Culturally validated neurocognitive measures for children in Low- and Middle-Income Countries are important in the timely and correct identification of neurocognitive impairments. Such measures can inform development of interventions for children exposed to additional vulnerabilities like HIV infection. The Battery for Neuropsychological Evaluation of Children (BENCI) is an openly available, computerized neuropsychological battery specifically developed to evaluate neurocognitive impairment. This study adapted the BENCI and evaluated its reliability and validity in Kenya. METHODOLOGY The BENCI was adapted using translation and back-translation from Spanish to English. The psychometric properties were evaluated in a case-control study of 328 children (aged 6 - 14 years) living with HIV and 260 children not living with HIV in Kenya. We assessed reliability, factor structure, and measurement invariance with respect to HIV. Additionally, we examined convergent validity of the BENCI using tests from the Kilifi Toolkit. RESULTS Internal consistencies (0.49 < α < 0.97) and test-retest reliabilities (-.34 to .81) were sufficient-to-good for most of the subtests. Convergent validity was supported by significant correlations between the BENCI's Verbal memory and Kilifi's Verbal List Learning (r = .41), the BENCI's Visual memory and Kilifi's Verbal List Learning (r = .32) and the BENCI's Planning total time test and Kilifi's Tower Test (r = -.21) and the BENCI's Abstract Reasoning test and Kilifi's Raven's Progressive Matrix (r = .21). The BENCI subtests highlighted meaningful differences between children living with HIV and those not living with HIV. After some minor adaptions, a confirmatory four-factor model consisting of flexibility, fluency, reasoning and working memory fitted well (χ2 = 135.57, DF = 51, N = 604, p < .001, RMSEA = .052, CFI = .944, TLI = .914) and was partially scalar invariant between HIV positive and negative groups. CONCLUSION The English version of the BENCI formally translated for use in Kenya can be further adapted and integrated in clinical and research settings as a valid and reliable cognitive test battery.
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Affiliation(s)
- Maina Rachel
- Department of Methodology and Statistics, Tilburg University, Tilburg, Netherlands.
- Brain and Mind Institute, Aga Khan University, Nairobi, 10834-00400, Kenya.
| | - He Jia
- Department of Methodology and Statistics, Tilburg University, Tilburg, Netherlands
| | - Abubakar Amina
- Institute for Human Development, Aga Khan University, Nairobi, Kenya
| | - Miguel Perez-Garcia
- Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, Granada, Spain
| | - Manasi Kumar
- Brain and Mind Institute, Aga Khan University, Nairobi, 10834-00400, Kenya
| | - Jelte M Wicherts
- Department of Methodology and Statistics, Tilburg University, Tilburg, Netherlands
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Smith A, Thomas J, Friedhoff C, Chin E. The Utility of the Test of Memory Malingering Trial 1 in Differentiating Neurocognitive, Emotional, and Behavioral Functioning in a Pediatric Concussion Population. Arch Clin Neuropsychol 2021; 37:322-337. [PMID: 34386811 DOI: 10.1093/arclin/acab065] [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] [Received: 11/04/2020] [Revised: 06/08/2021] [Accepted: 07/21/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE In concussion populations, suboptimal task engagement detected by performance validity tests (PVTs) has been associated with poorer neuropsychological scores and greater post-concussive symptoms (PCS). This study examined if Pass/Fail status on the Test of Memory Malingering-TOMM Trial 1-differentiated the neurocognitive, emotional, and behavioral profile of pediatric patients with concussion. METHOD This study utilized archival data from 93 patients (mean age = 14.56 and SD = 2.01) with a history of concussion who were assessed at ~5-6 weeks post-injury (mean days = 40.27 and SD = 35.41). Individuals were divided into "Pass" and "Fail" groups based on TOMM Trial 1 performance. The testing battery included ACT, CPT-II and III, HVLT-R, WJ-III and IV ACH, ImPACT, BASC-2, and BRIEF. RESULTS The overall pass rate on Trial 1 was 70% (mean = 46.04 and SD = 4.55). Findings suggested that a passing score on Trial 1 may be associated with adequate performance across the remaining two trials of the TOMM. The Fail group scored significantly lower across attention, memory, and processing speed measures when compared with the Pass group. On rating scales, significantly more concerns were endorsed with the Fail group for attention and executive functioning relative to the Pass group. Parents generally endorsed significantly more concerns for executive functioning when compared with their children's self-reported symptoms. There was a trend for the Fail group to report more PCS; however, they did not significantly differ from the Pass group for depression, anxiety, or somatization. CONCLUSIONS This study highlights the importance of utilizing PVTs when evaluating concussion recovery.
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Affiliation(s)
- Alphonso Smith
- AMITA Health Neurosciences Institute - Center for Pediatric Brain, Hoffman Estates, IL, USA
| | - Julia Thomas
- AMITA Health Neurosciences Institute - Center for Pediatric Brain, Hoffman Estates, IL, USA
| | - Claire Friedhoff
- AMITA Health Neurosciences Institute - Center for Pediatric Brain, Hoffman Estates, IL, USA
| | - Esther Chin
- AMITA Health Neurosciences Institute - Center for Pediatric Brain, Hoffman Estates, IL, USA
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Rachel M, Fons VDVJR, Amina A, Perez-Garcia M, Manasi K. Assessing Neuropsychological Functions in Middle Childhood: a Narrative Review of Measures and Their Psychometric Properties Across Context. JOURNAL OF PEDIATRIC NEUROPSYCHOLOGY 2021. [DOI: 10.1007/s40817-021-00096-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Abstract
Background
There is a significant number of neuropsychological measures for use among children aged 6–12 years. However, most of these tests have been developed in high-income contexts (HICs). To avoid or to at least to minimize bias in assessment, most researchers carry out cultural adaptations of these tools. In selecting sub-tests to adapt before using the entire test battery, researchers would benefit from having a reference source summarizing available tools and how easily they can be used in different context. This is where the paper makes a contribution. This narrative review has a twofold aim: first, to identify tools commonly used among 6–12-year-olds; second, to summarize the psychometric properties of these tools especially emphasizing their usage across different cultural contexts.
Methods
We searched the literature from 1 January 1987 to 31 December 2017 for tools used among children aged 6 to 12 years. An extensive search of PubMed, Psych Info and Web of Science using the keywords (i) neuropsychological or neurocognitive with (ii) assessment or test was done.
Results
A hundred and forty-five papers out of 306 reported on psychometric properties of different tools including Behavior Rating Inventory of Executive Functioning—BRIEF (count = 6), Visual-Motor Integration—VMI (count = 6), the Test of Memory Malingering—TOMM (count = 6), MSVT (count = 6) and Continuous Performance Tests—CPT (count = 6). Forty-six percent of the papers reported studies conducted in the USA. Most of these studies were based in high-income countries, which further highlights the need to validate these measures for use in lower- and middle-income countries. Psychometric check was adequate in most tests for measuring executive functioning such as BRIEF, although tests such as CPT that measure complex attention had mixed findings. Moreover, we found that these studies addressed certain aspects of validity and or reliability while leaving out others; thus, a comprehensive picture is lacking.
Conclusion
We propose further studies to thoroughly investigate and report the psychometric properties of these measures, especially in lower- and middle-income countries.
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Abstract
OBJECTIVE Static balance, postural stability, and reaction time are commonly impaired after a sport-related concussion. The Sway Balance System assesses postural sway (ie, stability) and simple reaction time using the triaxial accelerometer built into iOS mobile devices. The purpose of this study was to provide normative data for children and adolescents and to examine for age and sex differences on the Sway Balance System. DESIGN Cross-sectional study. SETTING Middle and high schools across the United States. PARTICIPANTS Participants were 3763 youth aged 9 to 21 years who completed the Sway Balance System Sports protocol in accordance with the company's recommended methods (ie, 1 acclimation trial and 2-3 baseline tests). INDEPENDENT VARIABLES Age and sex. MAIN OUTCOME MEASURES Sway Balance score (0-100) and Sway Reaction Time score (0-100). STATISTICAL ANALYSIS A multivariate analysis of variance examined the effects of age and sex on balance and reaction time scores. RESULTS Sway Balance and Reaction Time scores significantly differed by age [F(10, 7494) = 39.68, P < 0.001, V = 0.10, = 0.05] and sex [F(4, 7494) = 55.29, P < 0.001, V = 0.06, = 0.03]. Post hoc analyses revealed that older groups generally had better scores than younger groups on all balance comparisons (ps < 0.001) and many reaction time comparisons. Girls performed better than boys on balance [F(2, 3747) = 53.79, P < 0.001, = 0.03] and boys had faster reaction times [F(2, 3747) = 37.11, P < 0.001, = 0.02]. CONCLUSIONS Age and sex are important factors to consider when assessing Balance and Reaction Time scores using the Sway Balance System's Sports protocol in youth. We provide age- and sex-based normative values for the Sway Balance System, which will likely be helpful when using this technology to assess and manage concussions.
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Eagle SR, Puligilla A, Fazio-Sumrok V, Kegel N, Collins MW, Kontos AP. Association of time to initial clinic visit with prolonged recovery in pediatric patients with concussion. J Neurosurg Pediatr 2020; 26:165-170. [PMID: 32330895 DOI: 10.3171/2020.2.peds2025] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 02/24/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE No studies to date have investigated the role of early clinical care in time to recovery from concussion in a pediatric population. The purpose of this study was to investigate the role of clinic presentation timing (≤ 7 days [early] compared to 8-20 days [late] from injury) in concussion assessment performance and risk for prolonged recovery (> 30 days) in pediatric concussion. METHODS This study is a retrospective cross-sectional study from a concussion clinic between April 2016 and January 2019, including 218 children and adolescents with diagnosed concussion, separated based on clinic presentation timing following injury: early (≤ 7 days) and late (8-20 days). Outcomes were recovery time, Postconcussion Symptom Scale (PCSS), Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT), Vestibular/Ocular Motor Screen (VOMS), and demographics, medical history, and injury information. A general linear model and chi-square analyses were used to assess differences between early and late presentation, along with logistic regression, to predict prolonged recovery (> 30 days). RESULTS Those with early presentation reported higher symptoms on VOMS subtests (79%-85%) compared to those with late presentation (61%-78%), with the exception of near-point of convergence distance and visual motion sensitivity (VMS). The strongest predictor of prolonged recovery was number of days to first clinic visit (OR 9.8). Positive VMS (OR 5.18), history of headache/migraine (OR 4.02), and PCSS score (OR 1.04) were also predictive of prolonged recovery. CONCLUSIONS Despite patients in the early presentation group presenting with more positive VOMS scores, the early presentation group recovered sooner than patients in the late presentation group. Even after controlling for vestibular dysfunction, history of headache or migraine, and total symptom severity, days to first visit remained the most robust predictor of recovery > 30 days. These findings suggest that early, specialized medical care and intervention for children and adolescents with recent concussion is associated with normal recovery time. Clinicians should educate children and parents on the potential importance of early treatment to improve the odds of positive outcomes following concussion.
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Stelzer JW, Esplin NE, Sbeih F, Ben Khallouq BA, Field M. Commentary: The Florida Youth Concussion Law: A Survey-Based Observational Study of Physician Practices and Their Legislative Awareness. Neurosurgery 2020; 85:E592-E598. [PMID: 31215636 DOI: 10.1093/neuros/nyz217] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 03/18/2019] [Indexed: 11/13/2022] Open
Affiliation(s)
- John W Stelzer
- University of Central Florida, College of Medicine, Orlando, Florida
| | - Nathan E Esplin
- University of Central Florida, College of Medicine, Orlando, Florida
| | - Firas Sbeih
- University of Central Florida, College of Medicine, Orlando, Florida
| | | | - Melvin Field
- Florida Hospital Neuroscience Institute, Orlando, Florida
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Abstract
OBJECTIVE To examine and describe normative values for an objective, mobile measure of postural stability commonly used in concussion assessments, SWAY Balance (SWAY Medical, Tulsa, Oklahoma). DESIGN Retrospective analysis of baseline balance assessments in a healthy pediatric population. SETTING Baseline assessments completed by certified athletic trainers at an outpatient concussion center or sports medicine offices in Philadelphia, PA and surrounding suburban Pennsylvania and New Jersey or during an athletic trainer's baseline assessment of collegiate athletes at a National Collegiate Athletic Association (NCAA) Division-II University in Fort Lauderdale, FL. PARTICIPANTS Test results of a sample of 466 athletes aged 5 to 18 years were included. INTERVENTIONS The SWAY Balance test was administered using a mobile device on all participants as part of a standard preseason, baseline evaluation, following the standard evaluation protocol. MAIN OUTCOME MEASURES Baseline SWAY Balance mobile assessment balance and reaction time scores, age and sex effects, were examined. RESULTS Normative scores are described, with results stratified into 4 age groups (5-9, 10-12, 13-17, and 18 years old). Balance scores, overall and within each individual stance score, improved with the age of the participants. Sex effects on balance were only seen in single-leg stances, with females outperforming males. Reaction time was found to be faster in males and improved with age, peaking at 13 to 17 years old and slowing in 18-year-olds. CONCLUSIONS Normative, age-specific SWAY Balance test results provided are of clinical use as references in the concussion assessments of pediatric athletes.
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Moser RS, Davis GA, Schatz P. The Age Variable in Childhood Concussion Management: A Systematic Review. Arch Clin Neuropsychol 2018; 33:417-426. [PMID: 28961710 DOI: 10.1093/arclin/acx070] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 07/27/2017] [Indexed: 11/12/2022] Open
Abstract
Background Sports-related concussion in young children has become a significant international public health issue. This paper reviews the research literature in an effort to shed light on the question, "At what age should young children be managed differently than adults or older adolescents?" Method A systematic review, registered with PROSPERO and using PRISMA guidelines, was conducted rendering 37 sports concussion original research studies that examined age as a variable (5-18 years), and which met specific inclusion/exclusion criteria. Findings There are no defined, evidence-based age groups for childhood concussion to substantiate differential management across the childhood and adolescent age span. There is evidence to support: (1) concussion may present differently across developmental stages; (2) with increasing age, adolescents may exhibit more symptoms from concussion; (3) the age range of 12-13 is the most frequently used cutoff point between younger and older children; (4) sports concussion research has classified the age variable in children in a number of manners: educational, developmental, sport level, or as a continuous variable, or matter of sample convenience; and (5) four general groupings of young versus pre-puberty child and early versus late adolescent are often utilized. Conclusions Due to limited measures and challenges of assessing younger children, current research presents a limited understanding of childhood concussion. Studies in children often lack explained rationales or theories behind age groupings or cutoffs. There is a need for studies dedicated to the question of how concussion varies developmentally from preschool through late adolescence to guide diagnosis and management.
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Affiliation(s)
| | - Gavin A Davis
- Murdoch Children's Research Institute, Melbourne, Australia
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Peltonen K, Vartiainen M, Laitala-Leinonen T, Koskinen S, Luoto T, Pertab J, Hokkanen L. Adolescent athletes with learning disability display atypical maturational trajectories on concussion baseline testing: Implications based on a Finnish sample. Child Neuropsychol 2018; 25:336-351. [DOI: 10.1080/09297049.2018.1474865] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Kati Peltonen
- Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
| | - Matti Vartiainen
- Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
| | | | - Sanna Koskinen
- Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
| | - Teemu Luoto
- Department of Neurosurgery, Tampere University Hospital, Tampere, Finland
| | - Jon Pertab
- Neurosciences Institute, Intermountain Healthcare, Murray, UT, USA
| | - Laura Hokkanen
- Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
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Davis GA, Anderson V, Babl FE, Gioia GA, Giza CC, Meehan W, Moser RS, Purcell L, Schatz P, Schneider KJ, Takagi M, Yeates KO, Zemek R. What is the difference in concussion management in children as compared with adults? A systematic review. Br J Sports Med 2017; 51:949-957. [PMID: 28455361 DOI: 10.1136/bjsports-2016-097415] [Citation(s) in RCA: 263] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2017] [Indexed: 11/03/2022]
Abstract
AIM To evaluate the evidence regarding the management of sport-related concussion (SRC) in children and adolescents. The eight subquestions included the effects of age on symptoms and outcome, normal and prolonged duration, the role of computerised neuropsychological tests (CNTs), the role of rest, and strategies for return to school and return to sport (RTSp). DESIGN Systematic review. DATA SOURCES MEDLINE (OVID), Embase (OVID) and PsycInfo (OVID). ELIGIBILITY CRITERIA FOR SELECTING STUDIES Studies were included if they were original research on SRC in children aged 5 years to 18 years, and excluded if they were review articles, or did not focus on childhood SRC. RESULTS A total of 5853 articles were identified, and 134 articles met the inclusion criteria. Some articles were common to multiple subquestions. Very few studies examined SRC in young children, aged 5-12 years. SUMMARY/CONCLUSIONS This systematic review recommends that in children: child and adolescent age-specific paradigms should be applied; child-validated symptom rating scales should be used; the widespread routine use of baseline CNT is not recommended; the expected duration of symptoms associated with SRC is less than 4 weeks; prolonged recovery be defined as symptomatic for greater than 4 weeks; a brief period of cognitive and physical rest should be followed with gradual symptom-limited physical and cognitive activity; all schools be encouraged to have a concussion policy and should offer appropriate academic accommodations and support to students recovering from SRC; and children and adolescents should not RTSp until they have successfully returned to school, however early introduction of symptom-limited physical activity is appropriate. SYSTEMATIC REVIEW REGISTRATION PROSPERO 2016:CRD42016039184.
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Affiliation(s)
- Gavin A Davis
- Murdoch Childrens Research Institute, Melbourne, Australia
| | - Vicki Anderson
- Murdoch Childrens Research Institute, Melbourne, Australia
| | - Franz E Babl
- Murdoch Childrens Research Institute, Melbourne, Australia
| | | | | | - William Meehan
- Micheli Center for Sports Injury Prevention, Massachusetts, USA
| | | | - Laura Purcell
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
| | | | - Kathryn J Schneider
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, Alberta Children's Hospital Research Institute, Hotchkiss Brain Institute, Cummings School of Medicine, University of Calgary, Calgary, Canada
| | - Michael Takagi
- Murdoch Childrens Research Institute, Melbourne, Australia
| | - Keith Owen Yeates
- Department of Psychology, Alberta Children's Research Institute & Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
| | - Roger Zemek
- Department of Pediatrics, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Canada
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O’Brien AM, Casey JE, Salmon RM. Short-term test–retest reliability of the ImPACT in healthy young athletes. APPLIED NEUROPSYCHOLOGY-CHILD 2017. [DOI: 10.1080/21622965.2017.1290529] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
| | - Joseph E. Casey
- Department of Psychology, University of Windsor, Windsor, Canada
| | - Rachel M. Salmon
- Department of Psychology, University of Windsor, Windsor, Canada
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