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Jo J, Boltz AJ, Williams KL, Pasquina PF, McAllister TW, McCrea MA, Broglio SP, Zuckerman SL, Terry DP, Arbogast K, Benjamin HJ, Brooks A, Cameron KL, Chrisman SPD, Clugston JR, Collins M, DiFiori J, Eckner JT, Estevez C, Feigenbaum LA, Goldman JT, Hoy A, Kaminski TW, Kelly LA, Kontos AP, Langford D, Lintner LJ, Master CL, McDevitt J, McGinty G, Miles C, Ortega J, Port N, Rowson S, Schmidt J, Susmarski A, Svoboda S. Mechanisms of Injury Leading to Concussions in Collegiate Soccer Players: A CARE Consortium Study. Am J Sports Med 2024; 52:1585-1595. [PMID: 38656160 DOI: 10.1177/03635465241240789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
BACKGROUND Few previous studies have investigated how different injury mechanisms leading to sport-related concussion (SRC) in soccer may affect outcomes. PURPOSE To describe injury mechanisms and evaluate injury mechanisms as predictors of symptom severity, return to play (RTP) initiation, and unrestricted RTP (URTP) in a cohort of collegiate soccer players. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS The Concussion Assessment, Research and Education (CARE) Consortium database was used. The mechanism of injury was categorized into head-to-ball, head-to-head, head-to-body, and head-to-ground/equipment. Baseline/acute injury characteristics-including Sports Concussion Assessment Tool-3 total symptom severity (TSS), loss of consciousness (LOC), and altered mental status (AMS); descriptive data; and recovery (RTP and URTP)-were compared. Multivariable regression and Weibull models were used to assess the predictive value of the mechanism of injury on TSS and RTP/URTP, respectively. RESULTS Among 391 soccer SRCs, 32.7% were attributed to a head-to-ball mechanism, 27.9% to a head-to-body mechanism, 21.7% to a head-to-head mechanism, and 17.6% to a head-to-ground/equipment mechanism. Event type was significantly associated with injury mechanism [χ2(3) = 63; P < .001), such that more head-to-ball concussions occurred in practice sessions (n = 92 [51.1%] vs n = 36 [17.1%]) and more head-to-head (n = 65 [30.8%] vs n = 20 [11.1]) and head-to-body (n = 76 [36%] vs n = 33 [18.3%]) concussions occurred in competition. The primary position was significantly associated with injury mechanism [χ2(3) = 24; P < .004], with goalkeepers having no SRCs from the head-to-head mechanism (n = 0 [0%]) and forward players having the least head-to-body mechanism (n = 15 [19.2%]). LOC was also associated with injury mechanism (P = .034), with LOC being most prevalent in head-to-ground/equipment. Finally, AMS was most prevalent in head-to-ball (n = 54 [34.2%]) and head-to-body (n = 48 [30.4%]) mechanisms [χ2(3) = 9; P = .029]. In our multivariable models, the mechanism was not a predictor of TSS or RTP; however, it was associated with URTP (P = .044), with head-to-equipment/ground injuries resulting in the shortest mean number of days (14 ± 9.1 days) to URTP and the head-to-ball mechanism the longest (18.6 ± 21.6 days). CONCLUSION The mechanism of injury differed by event type and primary position, and LOC and AMS were different across mechanisms. Even though the mechanism of injury was not a significant predictor of acute symptom burden or time until RTP initiation, those with head-to-equipment/ground injuries spent the shortest time until URTP, and those with head-to-ball injuries had the longest time until URTP.
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Affiliation(s)
- Jacob Jo
- Department of Neurological Surgery, Vanderbilt Sports Concussion Center, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Vanderbilt University School of Medicine, Nashville, Tennessee, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Adrian J Boltz
- Michigan Concussion Center, University of Michigan, Ann Arbor, Michigan, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Kristen L Williams
- Department of Neurological Surgery, Vanderbilt Sports Concussion Center, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Paul F Pasquina
- Department of Physical Medicine and Rehabilitation at the Uniformed Services University of the Health Sciences in Bethesda, Maryland, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Thomas W McAllister
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Michael A McCrea
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA; Department of Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Steven P Broglio
- Michigan Concussion Center, University of Michigan, Ann Arbor, Michigan, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Scott L Zuckerman
- Department of Neurological Surgery, Vanderbilt Sports Concussion Center, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Douglas P Terry
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA; Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Kristy Arbogast
- University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Holly J Benjamin
- University of Chicago, Chicago, Illinois, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Alison Brooks
- University of Wisconsin-Madison, Madison, Wisconsin, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Kenneth L Cameron
- United States Military Academy, West Point, New York, USA)
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Sara P D Chrisman
- University of Washington, Seattle, Washington, USA)
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - James R Clugston
- University of Florida, Gainesville, Florida, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Micky Collins
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - John DiFiori
- Hospital for Special Surgery, New York, New York, USA)
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - James T Eckner
- University of Michigan, Michigan, USA)
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Carlos Estevez
- United States Coast Guard Academy, New London, Connecticut, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Luis A Feigenbaum
- University of Miami, Coral Gables, Florida, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Joshua T Goldman
- University of California, Los Angeles, Los Angeles, California, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - April Hoy
- Azusa Pacific University, Azusa, California, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Thomas W Kaminski
- University of Delaware, Newark, Delaware, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Louise A Kelly
- California Lutheran University, Thousand Oaks, California, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Anthony P Kontos
- University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Dianne Langford
- Temple University, Philadelphia, Pennsylvania, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Laura J Lintner
- Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Christina L Master
- University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jane McDevitt
- Temple University, Philadelphia, Pennsylvania, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Gerald McGinty
- United States Air Force Academy, El Paso, Colorado, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Chris Miles
- Wake Forest University, Winston-Salem, North Carolina, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Justus Ortega
- California State Polytechnic University, Pomona, California, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Nicholas Port
- Indiana University, Bloomington, Indiana, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Steve Rowson
- Virginia Tech, Blacksburg, Virginia, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Julianne Schmidt
- University of Georgia, Athens, Georgia, USA)
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Adam Susmarski
- United States Naval Academy, Annapolis, Maryland, USA)
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Steven Svoboda
- MedStar Health, Columbia, Maryland, USA
- Investigation performed at the Vanderbilt University Medical Center, Nashville, Tennessee, USA
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