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LaMontagne AD, Åberg M, Blomqvist S, Glozier N, Greiner BA, Gullestrup J, Harvey SB, Kyron MJ, Madsen IEH, Hanson LM, Maheen H, Mustard C, Niedhammer I, Rugulies R, Smith PM, Taouk Y, Waters S, Witt K, King TL. Work-related suicide: Evolving understandings of etiology & intervention. Am J Ind Med 2024; 67:679-695. [PMID: 38853462 DOI: 10.1002/ajim.23624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/11/2024]
Abstract
Previously published analyses of suicide case investigations suggest that work or working conditions contribute to 10%-13% of suicide deaths. Yet, the way in which work may increase suicide risk is an underdeveloped area of epidemiologic research. In this Commentary, we propose a definition of work-related suicide from an occupational health and safety perspective, and review the case investigation-based and epidemiologic evidence on work-related causes of suicide. We identified six broad categories of potential work-related causes of suicide, which are: (1) workplace chemical, physical, and psychosocial exposures; (2) exposure to trauma on the job; (3) access to means of suicide through work; (4) exposure to high-stigma work environments; (5) exposure to normative environments promoting extreme orientation to work; and (6) adverse experiences arising from work-related injury or illness. We summarise current evidence in a schema of potential work-related causes that can also be applied in workplace risk assessment and suicide case investigations. There are numerous implications of these findings for policy and practice. Various principle- and evidence-based workplace intervention strategies for suicide prevention exist, some of which have been shown to improve suicide-prevention literacy, reduce stigma, enhance helping behaviours, and in some instances maybe even reduce suicide rates. Prevailing practice in workplace suicide prevention, however, overly emphasises individual- and illness-directed interventions, with little attention directed to addressing the working conditions that may increase suicide risk. We conclude that a stronger emphasis on improving working conditions will be required for workplace suicide prevention to reach its full preventive potential.
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Affiliation(s)
- Anthony D LaMontagne
- Institute for Health Transformation & School of Health & Social Development, Deakin University, Geelong, Victoria, Australia
| | - Maria Åberg
- School of Public Health and Community Medicine, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
| | - Sandra Blomqvist
- Department of Psychology, Stress Research Institute, Stockholm University, Stockholm, Sweden
| | - Nick Glozier
- Central Clinical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | | | - Jorgen Gullestrup
- Institute for Health Transformation & School of Health & Social Development, Deakin University, Geelong, Victoria, Australia
| | - Samuel B Harvey
- Black Dog Institute, University of New South Wales, Randwick, New South Wales, Australia
| | - Michael J Kyron
- Suicide Prevention and Resilience Research Center (SPARRC), School of Psychological Science, Perth, Western Australia, Australia
| | - Ida E H Madsen
- National Research Centre for the Working Environment, Copenhagen, Denmark
- National Institute of Public Health, Copenhagen, Denmark
| | - Linda Magnusson Hanson
- Department of Psychology, Stress Research Institute, Stockholm University, Stockholm, Sweden
| | - Humaira Maheen
- Centre for Health Policy, Melbourne School of Population Health, University of Melbourne, Melbourne, Victoria, Australia
| | | | - Isabelle Niedhammer
- Institut National de la Santé et de la Recherche Médicale (INSERM), Univ Angers, Angers, France
| | - Reiner Rugulies
- National Research Centre for the Working Environment, Copenhagen, Denmark
- Department of Public Health, Section of Epidemiology, University of Copenhagen, Copenhagen, Denmark
| | - Peter M Smith
- Instutute for Work & Health, Toronto, Ontario, Canada
| | - Yamna Taouk
- Centre for Health Policy, Melbourne School of Population Health, University of Melbourne, Melbourne, Victoria, Australia
| | - Sarah Waters
- School of Languages, Cultures and Societies, University of Leeds, Leeds, UK
| | - Katrina Witt
- Orygen Centre for Youth Mental Health, Parkville, Victoria, Australia
| | - Tania L King
- Centre for Health Policy, Melbourne School of Population Health, University of Melbourne, Melbourne, Victoria, Australia
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D'Souza S, Milne BJ, Li C, Anns F, Gardner A, Lumley T, Morton SMB, Murphy IR, Verhagen E, Wright C, Quarrie K. Kumanu Tāngata: the aftermatch study - protocol to examine the health outcomes of high-level male rugby union players using linked administrative data. BMJ Open Sport Exerc Med 2024; 10:e001795. [PMID: 38362564 PMCID: PMC10868174 DOI: 10.1136/bmjsem-2023-001795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2024] [Indexed: 02/17/2024] Open
Abstract
There is increasing interest in the potential long-term outcomes of participation in contact and collision sports, driven by evidence of higher rates of neurodegenerative diseases among former athletes. Recent research has capitalised on large-scale administrative health data to examine health outcomes in contact sport athletes. However, there is limited research on outcomes associated with participation in rugby union, a contact sport with a relatively high incidence of head trauma and musculoskeletal injuries. Additionally, there is scope to investigate a greater range of health outcomes using large, population-based administrative data. The Kumanu Tāngata project is a retrospective cohort study that will use linked information from the New Zealand Rugby Register and health records within a comprehensive deidentified whole-population administrative research database known as the Integrated Data Infrastructure. First-class male rugby union players (N=13 227) will be compared with a general population comparison group (N=2 438 484; weighting will be applied due to demographic differences) on a range of mortality and morbidity outcomes (neurodegenerative diseases, musculoskeletal conditions, chronic physical conditions, mental health outcomes). A range of player-specific variables will also be investigated as risk factors. Analyses will consist primarily of Cox proportional hazards models. Ethics approval for the study has been granted by the Auckland Health Research Ethics Committee (Ref. AH23203). Primary research dissemination will be via peer-reviewed journal articles.
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Affiliation(s)
- Stephanie D'Souza
- COMPASS Research Centre, University of Auckland, Auckland, New Zealand
- School of Social Sciences, University of Auckland, Auckland, New Zealand
| | - Barry J Milne
- COMPASS Research Centre, University of Auckland, Auckland, New Zealand
- School of Social Sciences, University of Auckland, Auckland, New Zealand
| | - Chao Li
- COMPASS Research Centre, University of Auckland, Auckland, New Zealand
| | - Francesca Anns
- COMPASS Research Centre, University of Auckland, Auckland, New Zealand
- School of Psychology, University of Auckland, Auckland, New Zealand
| | - Andrew Gardner
- Sydney School of Health Sciences, The University of Sydney Faculty of Medicine and Health, Sydney, New South Wales, Australia
| | - Thomas Lumley
- Department of Statistics, University of Auckland, Auckland, New Zealand
| | - Susan M B Morton
- Research Institute for Innovative Solutions for Well-being and Health (INSIGHT), University of Technology Sydney, Sydney, New South Wales, Australia
| | - Ian R Murphy
- Illawarra Shoalhaven Local Health District, Wollongong, New South Wales, Australia
| | - Evert Verhagen
- Department of Public and Occupational Health, EMGO, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Craig Wright
- Social Wellbeing Agency, Wellington, New Zealand
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Sisk M, Medawar N, McClure M, Cooke B, Cannon R, Kufner D, D'Almeida S, Jardaly A, Asif I, Momaya A, Ponce B. Cardiovascular disease in retired NFL players: a systematic review. PHYSICIAN SPORTSMED 2024:1-8. [PMID: 38318675 DOI: 10.1080/00913847.2024.2315929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 02/05/2024] [Indexed: 02/07/2024]
Abstract
OBJECTIVE Despite robust research endeavors exploring post-play health implications in former NFL players, the impact of former-player status on long-term cardiovascular health has not yet been elucidated. The purpose of this systematic review is to describe the available research on the cardiovascular health in former NFL players. METHODS Relevant studies were included from the PubMed, Scopus, and Embase databases. Studies were evaluated in accordance with PRISMA guidelines. Two independent reviewers conducted the title/abstract screenings and risk of bias determinations. The results of the studies were extracted for inclusion in the review. RESULTS Sixteen studies met inclusion criteria. Though evidence was discordant among studies, former NFL players appeared to possess more favorable metabolic profiles and decreased mortality compared to community controls. Of note, 90% of former players were found to be overweight or obese. CONCLUSION Though cardiovascular disease is the leading cause of death among former NFL players, they possess comparable metabolic and cardiovascular profiles to community controls. Further research is necessary to ascertain the impact of NFL play on cardiovascular health and develop tailored preventative care strategies for former players.
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Affiliation(s)
- Morgan Sisk
- Department of Orthopaedic Surgery, The University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Nicholas Medawar
- Department of Orthopaedic Surgery, The University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Mark McClure
- Department of Orthopaedic Surgery, The University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Brett Cooke
- Department of Orthopaedic Surgery, The University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Reily Cannon
- Department of Orthopaedic Surgery, Hughston Orthopaedic Clinic, Columbus, GA, USA
| | - David Kufner
- Department of Orthopaedic Surgery, Hughston Orthopaedic Clinic, Columbus, GA, USA
| | - Stacey D'Almeida
- Department of Orthopaedic Surgery, Hughston Orthopaedic Clinic, Columbus, GA, USA
| | - Achraf Jardaly
- Department of Orthopaedic Surgery, Hughston Orthopaedic Clinic, Columbus, GA, USA
| | - Irfan Asif
- Department of Family and Community Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Amit Momaya
- Department of Orthopaedic Surgery, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Brent Ponce
- Department of Orthopaedic Surgery, Hughston Orthopaedic Clinic, Columbus, GA, USA
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Andrade A, D'Oliveira A, Neiva HP, Gaertner G, da Cruz WM. Impact of the COVID-19 pandemic on the psychological aspects and mental health of elite soccer athletes: a systematic review. Front Psychol 2024; 14:1295652. [PMID: 38333426 PMCID: PMC10850388 DOI: 10.3389/fpsyg.2023.1295652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 12/26/2023] [Indexed: 02/10/2024] Open
Abstract
Introduction Investigation of the psychological impact on soccer athletes during the pandemic is essential given their unique challenges, including training disruptions and competition postponements. Understanding these effects will allow the development of specific strategies to preserve the mental health and performance of elite athletes, contributing to effective interventions with both short and long-term benefits. Objective To analyze the impact of the COVID-19 pandemic on the psychological aspects and mental health of elite soccer athletes. Method The review adhered to PRISMA criteria, and the study protocol was registered in the International Prospective Register of Systematic Reviews (CRD42022341545). Searches were conducted until July 2023 in databases including Cochrane, PsycINFO, PubMed, Scopus, SPORTDiscus, and Web of Science. Only original, peer-reviewed studies in English, Portuguese, or Spanish assessing the impact of the COVID-19 pandemic on the psychological aspects and mental health of elite soccer athletes were included. Results The search identified 1,055 records and 43 studies were included in this review between 2020 and 2023. In total, the sample included 16,321 soccer athletes of different age groups. Anxiety, depression, mood states, and mental well-being were the most investigated variables. Increased levels of anxiety, depression, and worsening mental well-being were observed in elite soccer athletes. Maintaining fitness during the pandemic showed positive results. Other variables, such as coping, resilience, and sleep quality monitoring, were less widely investigated. Evaluating methodological quality was considered regular for observational and experimental studies. Conclusion The study reveals a negative impact of the COVID-19 pandemic on elite soccer athletes, considering psychological aspects and their mental health, notably heightened anxiety and depression. Observational methods predominated, showing mood swings linked to individual characteristics and fitness maintenance efforts. Studies with better-designed methodological approaches and controlled experimental interventions are recommended in the future to mitigate the negative effects of the pandemic on soccer players. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?, identifier (CRD42022341545).
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Affiliation(s)
- Alexandro Andrade
- Health and Sports Science Center – CEFID/Santa Catarina State University–UDESC, Florianópolis, Santa Catarina, Brazil
- Laboratory of Sports and Exercise Psychology–LAPE, Florianópolis, Santa Catarina, Brazil
| | - Anderson D'Oliveira
- Health and Sports Science Center – CEFID/Santa Catarina State University–UDESC, Florianópolis, Santa Catarina, Brazil
- Laboratory of Sports and Exercise Psychology–LAPE, Florianópolis, Santa Catarina, Brazil
| | - Henrique Pereira Neiva
- Department of Sport Sciences, University of Beira Interior, Covilhã, Portugal
- Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, Covilhã, Brazil
| | - Gilberto Gaertner
- Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, Covilhã, Brazil
| | - Whyllerton Mayron da Cruz
- Health and Sports Science Center – CEFID/Santa Catarina State University–UDESC, Florianópolis, Santa Catarina, Brazil
- Laboratory of Sports and Exercise Psychology–LAPE, Florianópolis, Santa Catarina, Brazil
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Kader M, Pasternak B, Lim CE, Neovius M, Forssblad M, Svanström H, Ludvigsson JF, Ueda P. Depression and anxiety-related disorders and suicide among Swedish male elite football players: a nationwide cohort study. Br J Sports Med 2024; 58:66-72. [PMID: 37857446 PMCID: PMC10804025 DOI: 10.1136/bjsports-2023-107286] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/02/2023] [Indexed: 10/21/2023]
Abstract
OBJECTIVE To assess whether male elite football players, during and after their active career, were at increased risk of depression and anxiety-related disorders and suicide, as compared with the general male population. METHODS We included male football players active in the Swedish top division 1924-2019 and general male population (matched to football players based on age and region of residence) aged <65 years in 1997. Using nationwide registers, we followed the football players from their first season in the top division (or the date of their first registered residency in Sweden) or 1 January 1997, and compared the risk of depression and anxiety-related disorders (captured through diagnoses from hospital admissions and outpatient visits, and use of prescription drugs) among football players versus controls. In a secondary analysis using data from death certificates, we compared the risk of suicide between football players and general population males who were alive in 1969 (when cause of death became available) . RESULTS During follow-up through 31 December 2020, 504 (13.6%) of 3719 football players and 7455 (22.3%) of 33 425 general population males had a depression or anxiety-related disorder. In analyses accounting for age, region of residence and calendar time, the risk of anxiety and depression-related disorders was lower among football players versus general population males (HR 0.61, 95% CI 0.55 to 0.66). The protective association was attenuated with increasing age, and from around age 70 years the risk was similar in the two groups. The risk of suicide was lower among football players versus general population males (HR 0.48, 95% CI 0.32 to 0.72). CONCLUSIONS In this nationwide cohort study in Sweden, elite male football players had a lower risk of depression and anxiety-related disorders and suicide as compared with the general population.
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Affiliation(s)
- Manzur Kader
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Björn Pasternak
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Epidemiology Research, Statens Serum Institut, Kobenhavn, Denmark
| | - Carl-Emil Lim
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Martin Neovius
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Magnus Forssblad
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Henrik Svanström
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Epidemiology Research, Statens Serum Institut, Kobenhavn, Denmark
| | - Jonas F Ludvigsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Department of Pediatrics, Örebro University Hospital, Orebro, Sweden
| | - Peter Ueda
- Clinical Epidemiology Division, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
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Beable SE. Depressive Disorders in Athletes. Clin Sports Med 2024; 43:53-70. [PMID: 37949514 DOI: 10.1016/j.csm.2023.06.011] [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] [Indexed: 11/12/2023]
Abstract
Depressive disorders in athletes are thought to be at least as common as the general population. However, athletes have a unique set of risk factors that can affect the likelihood of developing depression. Screening tools have been developed specifically for athletes such as the Sport Mental Health Assessment Tool (SMHAT). The management of the depressed athlete should involve an individualized approach, with methods such as counseling, interpersonal therapy, or cognitive behavioral therapy being used. Some may require antidepressant medication. Depressive disorders are also linked to sucidality in athletes, and the team physician and sporting organisation should have a crisis management plan in place for mental health emergencies. Tackling the stigma that remains in sport is a key part to improving mental wellbeing for all athletes.
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Affiliation(s)
- Sarah E Beable
- High Performance Sport New Zealand, Axis Sports Medicine Specialists, 15/5 Hawthorne Drive, Queenstown 9304, New Zealand.
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Iverson GL, Jamshidi P, Fisher-Hubbard AO, Deep-Soboslay A, Hyde TM, Kleinman JE, deJong JL, Shepherd CE, Hazrati LN, Castellani RJ. Chronic traumatic encephalopathy neuropathologic change is uncommon in men who played amateur American football. Front Neurol 2023; 14:1143882. [PMID: 37404944 PMCID: PMC10315537 DOI: 10.3389/fneur.2023.1143882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/02/2023] [Indexed: 07/06/2023] Open
Abstract
Introduction We examined postmortem brain tissue from men, over the age of 50, for chronic traumatic encephalopathy neuropathologic change (CTE-NC). We hypothesized that (i) a small percentage would have CTE-NC, (ii) those who played American football during their youth would be more likely to have CTE-NC than those who did not play contact or collision sports, and (iii) there would be no association between CTE-NC and suicide as a manner of death. Methods Brain tissue from 186 men and accompanying clinical information were obtained from the Lieber Institute for Brain Development. Manner of death was determined by a board-certified forensic pathologist. Information was obtained from next of kin telephone interviews, including medical, social, demographic, family, and psychiatric history. The 2016 and 2021 consensus definitions were used for CTE-NC. Two authors screened all cases, using liberal criteria for identifying "possible" CTE-NC, and five authors examined the 15 selected cases. Results The median age at the time of death was 65 years (interquartile range = 57-75; range = 50-96). There were 25.8% with a history of playing American football and 36.0% who had suicide as their manner of death. No case was rated as definitively having "features" of CTE-NC by all five authors. Ten cases were rated as having features of CTE-NC by three or more authors (5.4% of the sample), including 8.3% of those with a personal history of playing American football and 3.9% of those who did not play contact or collision sports. Of those with mood disorders during life, 5.5% had features of CTE-NC compared to 6.0% of those who did not have a reported mood disorder. Of those with suicide as a manner of death, 6.0% had features of CTE-NC compared to 5.0% of those who did not have suicide as a manner of death. Discussion We did not identify a single definitive case of CTE-NC, from the perspective of all raters, and only 5.4% of cases were identified as having possible features of CTE-NC by some raters. CTE-NC was very uncommon in men who played amateur American football, those with mood disorders during life, and those with suicide as a manner of death.
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Affiliation(s)
- Grant L. Iverson
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, MA, United States
- Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, MA, United States
- Department of Physical Medicine and Rehabilitation, Schoen Adams Research Institute at Spaulding Rehabilitation, Charlestown, MA, United States
- MassGeneral Hospital for Children Sports Concussion Program, Boston, MA, United States
- Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Charlestown, MA, United States
| | - Pouya Jamshidi
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Amanda O. Fisher-Hubbard
- Department of Pathology, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, MI, United States
| | - Amy Deep-Soboslay
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore, MD, United States
| | - Thomas M. Hyde
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore, MD, United States
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, United States
- Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Joel E. Kleinman
- Lieber Institute for Brain Development, Johns Hopkins Medical Campus, Baltimore, MD, United States
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Joyce L. deJong
- Department of Pathology, Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, MI, United States
| | - Claire E. Shepherd
- Neuroscience Research Australia, Randwick, NSW, Australia
- School of Medical Sciences, University of New South Wales, Kensington, NSW, Australia
| | - Lili-Naz Hazrati
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Rudolph J. Castellani
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
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Batty GD, Frank P, Kujala UM, Sarna SJ, Kaprio J. Suicide and depression in former contact sports participants: population-based cohort study, systematic review, and meta-analysis. EClinicalMedicine 2023; 60:102026. [PMID: 37396804 PMCID: PMC10314167 DOI: 10.1016/j.eclinm.2023.102026] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 07/04/2023] Open
Abstract
Background Former participants in sports characterised by low intensity repetitive head impact appear to have elevated rates of later dementia, but links with other psychological health outcomes such as depression and suicide are uncertain. We quantified the occurrence of these endpoints in former contact sports athletes against general population controls using new data from a cohort study and a meta-analysis. Methods The cohort study comprised 2004 retired male athletes, who had competed internationally as amateurs for Finland across a range of sports, and 1385 general population controls. All study members were linked to mortality and hospitalisation registries. In the PROSPERO-registered systematic review (CRD42022352780), we searched PubMed and Embase to October 31 2022 for cohort studies that reported standard estimates of association and precision. Study-specific estimates were aggregated in a random-effect meta-analysis. The Newcastle-Ottawa Scale was used to appraise the quality of each study. Findings In survival analyses of the Finnish cohort data, former boxers (depression: hazard ratio 1.43 [95% CI 0.73, 2.78]; suicide: 1.75 [0.64, 4.38]), Olympic-style wrestlers (depression: 0.94 [0.44, 2.00]; suicide: 1.60 [0.64, 3.99]), and soccer players (depression: 0.62 [0.26, 1.48]; suicide: 0.50 [0.11, 2.16]) did not have statistically higher rates of major depressive disorder or suicide at follow-up relative to controls. In the systematic review, 7 cohort studies met inclusion criteria. After aggregating results with the Finnish cohort, retired soccer players appeared to have a lower risk of depression (summary risk ratio: 0.71 [0.54, 0.93]) relative to general population controls, while the rate of suicide was statistically the same across groups (0.70 [0.40, 1.23]). Past participation in American football seemed to be associated with some protection against suicide (0.58 [0.43, 0.80]) but there were insufficient studies of depression in this sport to facilitate aggregation. The aggregation of results from the soccer and American football studies showed directionally consistent relationships and there was no indication of inter-study heterogeneity (I2 = 0%). Interpretation Based on a small cluster of studies exclusively comprising men, retired soccer players had a lower rate of later depression and former American football players had a lower risk of suicide relative to comparator groups. Whether these findings are generalisable to women requires testing. Funding The preparation of this manuscript was unfunded.
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Affiliation(s)
- G. David Batty
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Philipp Frank
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Urho M. Kujala
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Seppo J. Sarna
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland
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Iverson GL, Castellani RJ, Cassidy JD, Schneider GM, Schneider KJ, Echemendia RJ, Bailes JE, Hayden KA, Koerte IK, Manley GT, McNamee M, Patricios JS, Tator CH, Cantu RC, Dvorak J. Examining later-in-life health risks associated with sport-related concussion and repetitive head impacts: a systematic review of case-control and cohort studies. Br J Sports Med 2023; 57:810-821. [PMID: 37316187 DOI: 10.1136/bjsports-2023-106890] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 06/16/2023]
Abstract
OBJECTIVE Concern exists about possible problems with later-in-life brain health, such as cognitive impairment, mental health problems and neurological diseases, in former athletes. We examined the future risk for adverse health effects associated with sport-related concussion, or exposure to repetitive head impacts, in former athletes. DESIGN Systematic review. DATA SOURCES Search of MEDLINE, Embase, Cochrane, CINAHL Plus and SPORTDiscus in October 2019 and updated in March 2022. ELIGIBILITY CRITERIA Studies measuring future risk (cohort studies) or approximating that risk (case-control studies). RESULTS Ten studies of former amateur athletes and 18 studies of former professional athletes were included. No postmortem neuropathology studies or neuroimaging studies met criteria for inclusion. Depression was examined in five studies in former amateur athletes, none identifying an increased risk. Nine studies examined suicidality or suicide as a manner of death, and none found an association with increased risk. Some studies comparing professional athletes with the general population reported associations between sports participation and dementia or amyotrophic lateral sclerosis (ALS) as a cause of death. Most did not control for potential confounding factors (eg, genetic, demographic, health-related or environmental), were ecological in design and had high risk of bias. CONCLUSION Evidence does not support an increased risk of mental health or neurological diseases in former amateur athletes with exposure to repetitive head impacts. Some studies in former professional athletes suggest an increased risk of neurological disorders such as ALS and dementia; these findings need to be confirmed in higher quality studies with better control of confounding factors. PROSPERO REGISTRATION NUMBER CRD42022159486.
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Affiliation(s)
- Grant L Iverson
- Sports Concussion Program, MassGeneral Hospital for Children, Boston, Massachusetts, USA
- Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts, USA
- Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts, USA
- Department of Physical Medicine and Rehabilitation, Schoen Adams Research Institute at Spaulding Rehabilitation, Charlestown, Massachusetts, USA
- Home Base, A Red Sox Foundation and Massachusetts General Hospital Program, Massachusetts General Hospital, Charlestown, Massachusetts, USA
| | - Rudolph J Castellani
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - J David Cassidy
- Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Geoff M Schneider
- Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Kathryn J Schneider
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
| | - Ruben J Echemendia
- Department of Psychology, University of Missouri-Kansas City, Kansas City, Missouri, USA
- University Orthopedic Centre, Concussion Care Clinic, State College, Pennsylvania, USA
| | - Julian E Bailes
- Department of Neurosurgery, NorthShore University HealthSystem, Evanston, Illinois, USA
- Department of Neurosurgery, University of Chicago Pritzker School of Medicine, Chicago, Illinois, USA
| | - K Alix Hayden
- Libraries and Cultural Resources, University of Calgary, Calgary, Alberta, Canada
| | - Inga K Koerte
- cBRAIN, Department of Child and Adolescent Psychiatry, Psychosomatic, and Psychotherapy, University Hospital, Ludwig-Maximilians-Universität, Munich, Germany
- Department of Psychiatry, Psychiatry Neuroimaging Laboratory, Brigham and Women's Hospital, Mass General Brigham, Boston, Massachusetts, USA
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA
| | - Geoffrey T Manley
- Department of Neurosurgery, University of California San Francisco, San Francisco, California, USA
| | - Michael McNamee
- Department of Movement Sciences, KU Leuven, Leuven, Belgium
- School of Sport and Exercise Sciences, Swansea University, Swansea, UK
| | - Jon S Patricios
- Wits Sport and Health (WiSH), School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Charles H Tator
- Department of Surgery and Division of Neurosurgery, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
- Canadian Concussion Centre, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Robert C Cantu
- Department of Neurology, Boston University School of Medicine, Boston, Massachusetts, USA
- Robert C. Cantu Concussion Center, Emerson Hospital, Concord, Massachusetts, USA
| | - Jiri Dvorak
- Schulthess Clinic Zurich, Zurich, Switzerland
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10
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Haase FK, Prien A, Douw L, Feddermann-Demont N, Junge A, Reinsberger C. Cortical thickness and neurocognitive performance in former high-level female soccer and non-contact sport athletes. Scand J Med Sci Sports 2023; 33:921-930. [PMID: 36746873 DOI: 10.1111/sms.14324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 01/03/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023]
Abstract
BACKGROUND Long-term effects of playing soccer (football) on the brain structure and function of the brain are vividly debated. While some studies showed differences in neurocognitive performance and structural brain changes in retired male players, data on female players are scarce. The present study compares cortical thickness and neurocognitive performance in former high-level female soccer (SOC) and non-contact sport athletes (CON). METHODS 3 T T1-weighted 3D MPRAGE MRI was performed, and vertex-wise cortical thickness was analyzed using FreeSurfer (v. 6.0.0). Neurocognitive performance in seven domains of SOC and CON was assessed. A multivariate linear model was used to analyze interactions with respect to heading frequency and a history of concussion. RESULTS SOC (n = 15, mean age 38.3 ± 5.1 years) and CON (n = 16, mean age 36.6 ± 5.8 years) had a similar cortical thickness and performed similarly in the neurocognitive tests except for verbal memory and psychomotor speed, where SOC performed significantly worse than CON. Moderate headers had a significantly larger cortical thickness than rare headers in the right inferior parietal region. Visual memory and cortical thickness were positively correlated in the group of frequent headers and negatively correlated in CON, but not in the other header groups. PERSPECTIVE In contrast to previous reports in male soccer players, female players did not reveal cortical thinning in comparison with control athletes, whereas neurocognitive profiles of female soccer players might not significantly differ from male athletes. Small sample sizes, subjective header assessment, and the case-control study design require a cautious interpretation.
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Affiliation(s)
| | - Annika Prien
- Institute of Interdisciplinary Exercise Science and Sports Medicine, MSH Medical School Hamburg, Hamburg, Germany.,Amsterdam Collaboration on Health & Safety in Sports, Department of Public and Occupational Health, Amsterdam Movement Sciences, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Linda Douw
- Department of Anatomy and Neurosciences, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Nina Feddermann-Demont
- Department of Neurology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Astrid Junge
- Institute of Interdisciplinary Exercise Science and Sports Medicine, MSH Medical School Hamburg, Hamburg, Germany
| | - Claus Reinsberger
- Institute of Sports Medicine, Paderborn University, Paderborn, Germany
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11
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Pichler EM, Ewers S, Ajdacic-Gross V, Deutschmann M, Exner J, Kawohl W, Seifritz E, Claussen MC. Athletes are not at greater risk for death by suicide: A review. Scand J Med Sci Sports 2023; 33:569-585. [PMID: 36648386 DOI: 10.1111/sms.14316] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 11/21/2022] [Accepted: 01/05/2023] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Suicide represents a major mental and public health issue. Elite athletes share certain individual and environmental characteristics that may increase their risk for mental illnesses, ultimately leading to suicide. This notion conflicts with the general perception of athletes, being the healthiest representatives of society. METHODS A comprehensive literature search was carried out through PubMed and Embase databases for relevant publications. RESULTS Recent calls for investigating suicidality among athletes resulted in a considerable amount of literature providing some evidence regarding lower rates of suicide among professional and high-performance athletes as well as similar incidence and prevalence of mental conditions, which are known as risk factors for suicide. Nevertheless, special attention is required in this population as predisposing and precipitating factors might differ from classical features of suicidality in the general population. Sports physicians, sports psychiatrists, and other mental health professionals in elite sports should be aware of early signs of affective disorders, risk of recreational drug abuse, misuse of performance-enhancing medications, sport-specific environmental stressors, serious physical injuries, and presence of physical or mental illness, all of which may increase suicidality. Traumatic brain injury (TBI) is with suicide with higher severity correlated with increased risk. Compared to active athletes, former athletes may have higher rates of suicide due to common life stressors occurring after sports retirement. CONCLUSIONS The findings suggest a multidisciplinary approach to suicidality in elite athletes, the main goal of which should be the reduction of suicide-related morbidity and mortality. Further research is required to clarify the existing gaps in the current knowledge of the issue. While having lower rates of suicide, athletes share some similar (affective disorders, drug abuse, mental and physical illness) and unique factors (misuse of performance-enhancing substances, sports-related stressors, sports injuries, TBI) putting them at risk of suicide during active career and retirement.
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Affiliation(s)
- Eva-Maria Pichler
- Department of Psychiatry and Psychotherapy, Psychiatric Services Aargau, Windisch, Switzerland
| | - Simon Ewers
- Klinikum Fünfseenland, Fachklinik für Psychiatrie und Psychotherapie, Wallerfangen, Germany
| | - Vladeta Ajdacic-Gross
- Department of Psychiatry, Psychotherapy and Psychosomatics, University of Zurich, Zurich, Switzerland
| | - Markus Deutschmann
- Department of Psychiatry, Psychotherapy and Psychosomatics, University of Zurich, Zurich, Switzerland
| | - Jan Exner
- Department of Psychiatry, Psychotherapy and Psychosomatics, University of Zurich, Zurich, Switzerland
| | - Wolfram Kawohl
- Department of Psychiatry and Psychotherapy, Psychiatric Services Aargau, Windisch, Switzerland.,Department of Psychiatry, Psychotherapy and Psychosomatics, University of Zurich, Zurich, Switzerland.,Clienia Schlössli AG, Oetwil am See, Switzerland
| | - Erich Seifritz
- Department of Psychiatry, Psychotherapy and Psychosomatics, University of Zurich, Zurich, Switzerland
| | - Malte Christian Claussen
- Department of Psychiatry, Psychotherapy and Psychosomatics, University of Zurich, Zurich, Switzerland.,Private Clinic Wyss AG, Münchenbuchsee, Switzerland.,Psychiatric Services Grisons, Chur, Switzerland
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12
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Relating American Football Age of First Exposure to Patient-Reported Outcomes and Medical Diagnoses Among Former National Football League Players: An NFL-LONG study. Sports Med 2022; 53:1073-1084. [PMID: 36479682 DOI: 10.1007/s40279-022-01795-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/03/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND The age of first exposure (AFE) to American football participation is a growing concern for late-life function. Mixed evidence exists surrounding AFE and may be attributed to varied methods employed across studies. OBJECTIVE To examine the associations between AFE to American football participation with measures of cognitive, behavioral, and physical function and brain-related medical diagnoses across age categories among former National Football League players. METHODS We conducted a cross-sectional survey of 1784 former players (age: 52.3 ± 16.3 years, AFE: 11.3 ± 2.9 years, years of football: 17.5 ± 4.5 years, 86.9% ≥ one lifetime concussion). Players completed a general health questionnaire recording demographics, football playing history (including AFE), and diagnoses (anxiety, depression, any form of dementia, mild cognitive impairment). Players completed Patient-Reported Outcomes Measurement Information System (PROMIS) measures assessing domains of cognitive and physical function, anxiety, depression, sleep disturbance, pain interference, and emotional-behavioral dyscontrol. Multivariable linear and binomial regression models were used to examine the associations of AFE and age with PROMIS outcomes and diagnoses, respectively. RESULTS No significant AFE by age interactions were detected for PROMIS outcomes (p ≥ 0.066) or diagnoses (p ≥ 0.147). Younger AFE associated with higher PROMIS scores of anxiety (B = - 0.22, p = 0.016), depression (B = - 0.22, p = 0.010), sleep disturbances (B = - 0.16, p = 0.007), pain interference (B = - 0.19, p = 0.014), and emotional-behavioral dyscontrol (B = - 0.22, p = 0.019). Age was associated with all PROMIS outcomes (p ≤ 0.042). AFE was not associated with the prevalence of anxiety, depression, dementia, or mild cognitive impairment (p ≥ 0.449), while age was (p ≤ 0.013). CONCLUSIONS AFE was significantly associated with PROMIS outcomes, albeit low-strength associations (i.e., effect sizes), but not with diagnoses. Our findings indicate AFE is a significant but minor contributing factor for health-related quality of life in this cohort. Future work should incorporate additional characterizations of cumulative head impacts and related factors when examining long-term outcomes associated with football participation.
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