Less Than Half of Patients Recover Within 2 Weeks of Injury After a Sports-Related Mild Traumatic Brain Injury: A 2-Year Prospective Study
To describe clinical recovery time and factors that might impact on recovery after a sports-related mild traumatic brain injury (SR-mTBI; concussion). Prospective cohort study (level IV evidence). New Zealand Sports Concussion Clinic. Eight hundred twenty-two patients presenting within 14 days of a...
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Published in | Clinical journal of sport medicine Vol. 30; no. 2; p. 96 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
United States
01.03.2020
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Subjects | |
Online Access | Get more information |
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Summary: | To describe clinical recovery time and factors that might impact on recovery after a sports-related mild traumatic brain injury (SR-mTBI; concussion).
Prospective cohort study (level IV evidence).
New Zealand Sports Concussion Clinic.
Eight hundred twenty-two patients presenting within 14 days of a SR-mTBI/concussion over a 2-year period.
Clinical recovery measured as number of days after injury.
Participants were assessed and managed using a standardized protocol consisting of relative rest followed by controlled cognitive and physical loading. A reassessment was performed 14 days after injury with initiation of an active rehabilitation program consisting of a subsymptom threshold exercise program ± cervicovestibular rehabilitation (if required) for participants who remained symptomatic. Participants were then assessed every 2 weeks until clinical recovery.
A total of 594 participants were eligible for analysis (mean age 20.2 ± 8.7 years, 77% males) and were grouped into 3 age cohorts: children (≤12 years), adolescents (13-18 years), and adults (≥19 years). Forty-five percent of participants showed clinical recovery within 14 days of injury, 77% by 4 weeks after injury, and 96% by 8 weeks after injury. There was no significant difference in recovery time between age groups. Prolonged recovery was more common in females (P = 0.001), participants with "concussion modifiers" (P = 0.001), and with increased time between injury and the initial appointment (P = 0.003).
This study challenges current perceptions that most people with a SR-mTBI (concussion) recover within 10 to 14 days and that age is a determinant of recovery rate. Active rehabilitation results in high recovery rates after SR-mTBI. |
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ISSN: | 1536-3724 |
DOI: | 10.1097/JSM.0000000000000811 |