Ray Tyler, Fleming Daniel, Le Daniel, Faherty Mallory, Killelea Carolyn, Bytomski Jeffrey, Ray Tracy, Lemak Larry, Martinez Corina, Bergeron Michael F, Sell Timothy
Duke Doctor of Physical Therapy Program.
Michael W. Krzyzewski Human Performance Lab, Department of Orthopedic Surgery, Duke University Medical Center.
Int J Sports Phys Ther. 2022 Aug 1;17(5):816-822. doi: 10.26603/001c.36648. eCollection 2022.
Recent evidence has demonstrated that athletes are at greater risk for a lower extremity injury following a return-to-sport (RTS) after sport-related concussion (SRC). The reason for this is not completely clear, but it has been hypothesized that persistent deficits in neurocognitive factors may be a contributing factor.
HYPOTHESIS/PURPOSE: This study assessed simple reaction time, processing speed, attention, and concentration in a group of athletes, post-concussion upon clearance for RTS for potential deficits that may result in slower reaction time, processing speed, attention, and concentration. The researchers hypothesized that the concussion group would demonstrate worse scores on both assessments compared to a sex-, age-, and sport-matched cohort.
Case-controlled study.
Twelve participants who had suffered a SRC and eight healthy individuals who were matched to the concussed group by age, sex, and sport were evaluated. Those with a concussion had been cleared for RTS by a licensed healthcare provider. Each participant underwent neurocognitive tests that included a simple reaction time test (SRT) and the King-Devick Test (K-D). Independent t-tests were performed to compare the groups with significance set a priori at p<0.05.
There was a significant difference (p =0.024) between groups for SRT with the concussed group demonstrating a better SRT than the control group. There were no significant differences (p =0.939) between the groups for the K-D.
With no significant differences between groups in the K-D assessment and, surprisingly, the concussed group having a better SRT compared to the healthy group, our hypothesis was not supported.
These specific measures, compounded with extensive post-concussion time lapse until RTS clearance, may have limited capacity in revealing potential persistent deficits in relevant neurocognitive characteristics.
Level of Evidence 3.
最近的证据表明，与运动相关的脑震荡（SRC）后恢复运动（RTS）的运动员下肢受伤风险更高。其原因尚不完全清楚，但据推测，神经认知因素的持续缺陷可能是一个促成因素。
假设/目的：本研究评估了一组脑震荡后经RTS许可的运动员的简单反应时间、处理速度、注意力和专注力，以寻找可能导致反应时间、处理速度、注意力和专注力变慢的潜在缺陷。研究人员假设，与性别、年龄和运动相匹配的队列相比，脑震荡组在两项评估中的得分会更低。
病例对照研究。
评估了12名患有SRC的参与者和8名在年龄、性别和运动方面与脑震荡组相匹配的健康个体。患有脑震荡的参与者已获得持牌医疗保健提供者的RTS许可。每位参与者都接受了神经认知测试，包括简单反应时间测试（SRT）和金-德维克测试（K-D）。进行独立t检验以比较两组，显著性水平预先设定为p<0.05。
SRT组间存在显著差异（p =0.024），脑震荡组的SRT比对照组更好。两组在K-D测试中无显著差异（p =0.939）。
由于两组在K-D评估中无显著差异，且令人惊讶的是，与健康组相比，脑震荡组的SRT更好，因此我们的假设未得到支持。
这些特定措施，再加上从脑震荡到RTS许可的长时间间隔，在揭示相关神经认知特征中潜在的持续缺陷方面可能能力有限。
证据水平3。
