{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T11:55:14Z","timestamp":1793793314997,"version":"4.6.1"},"reference-count":132,"publisher":"BMJ","issue":"12","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Br J Sports Med"],"accepted":{"date-parts":[[2023,5,10]]},"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To systematically review the scientific literature regarding factors to consider when providing advice or guidance to athletes about retirement from contact or collision sport following sport-related concussion (SRC), and to define contraindications to children\/adolescent athletes entering or continuing with contact or collision sports after SRC.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Data sources<\/jats:title>\n                  <jats:p>Medline, Embase, SPORTSDiscus, APA PsycINFO, CINAHL and Cochrane Central Register of Controlled Trials were searched systematically.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Study eligibility criteria<\/jats:title>\n                  <jats:p>Studies were included if they were (1) original research, (2) reported on SRC as the primary source of injury, (3) evaluated the history, clinical assessment and\/or investigation of findings that may preclude participation in sport and (4) evaluated mood disturbance and\/or neurocognitive deficits, evidence of structural brain injury or risk factors for increased risk of subsequent SRC or prolonged recovery.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Of 4355 articles identified, 93 met the inclusion criteria. None of the included articles directly examined retirement and\/or discontinuation from contact or collision sport. Included studies examined factors associated with increased risk of recurrent SRC or prolonged recovery following SRC. In general, these were low-quality cohort studies with heterogeneous results and moderate risk of bias. Higher number and\/or severity of symptoms at presentation, sleep disturbance and symptom reproduction with Vestibular Ocular Motor Screen testing were associated with prolonged recovery and history of previous concussion was associated with a risk of further SRC.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>No evidence was identified to support the inclusion of any patient-specific, injury-specific or other factors (eg, imaging findings) as absolute indications for retirement or discontinued participation in contact or collision sport following SRC.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>PROSPERO registration number<\/jats:title>\n                  <jats:p>CRD42022155121.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/bjsports-2023-106815","type":"journal-article","created":{"date-parts":[[2023,6,14]],"date-time":"2023-06-14T20:00:12Z","timestamp":1686772812000},"page":"822-830","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":38,"title":["When should an athlete retire or discontinue participating in contact or collision sports following sport-related concussion? 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