Collins Micky, Lovell Mark R, Iverson Grant L, Ide Thad, Maroon Joseph
University of Pittsburgh Medical Center Sports Concussion Program, Department of Orthopaedic Surgery/University of Pittsburgh Medical Center for Sports Medicine, Pennsylvania 15206, USA.
Neurosurgery. 2006 Feb;58(2):275-86; discussion 275-86. doi: 10.1227/01.NEU.0000200441.92742.46.
The purpose of this study was to compare concussion rates and recovery times for athletes wearing newer helmet technology compared to traditional helmet design.
This was a three-year, prospective, naturalistic, cohort study. Participants were 2,141 high school athletes from Western Pennsylvania. Approximately half of the sample wore the Revolution helmet manufactured by Riddell, Inc. (n = 1,173) and the remainder of the sample used standard helmets (n = 968). Athletes underwent computerized neurocognitive testing through the use of ImPACT at the beginning of the study. Following a concussion, players were reevaluated at various time intervals until recovery was complete.
In the total sample, the concussion rate in athletes wearing the Revolution was 5.3% and in athletes wearing standard helmets was 7.6% [chi (1, 2, 141) = 4.96, P < 0.027]. The relative risk estimate was 0.69 (95% confidence interval = 0.499- 0.958). Wearing the Revolution helmet was associated with approximately a 31% decreased relative risk and 2.3% decreased absolute risk for sustaining a concussion in this cohort study. The athletes wearing the Revolution did not differ from athletes wearing standard helmets on the mechanism of injury (e.g., head-to-head strike), on-field concussion markers (e.g., amnesia or loss of consciousness), or on-field presentation of symptoms (e.g., headaches, dizziness, or balance problems).
Recent sophisticated laboratory research has better elucidated injury biomechanics associated with concussion in professional football players. This data has led to changes in helmet design and new helmet technology, which appears to have beneficial effects in reducing the incidence of cerebral concussion in high school football players.
本研究旨在比较佩戴新型头盔技术的运动员与传统头盔设计的运动员的脑震荡发生率和恢复时间。
这是一项为期三年的前瞻性、自然主义队列研究。参与者为宾夕法尼亚州西部的2141名高中运动员。大约一半的样本佩戴Riddell公司生产的Revolution头盔(n = 1173),其余样本使用标准头盔(n = 968)。运动员在研究开始时通过使用ImPACT进行计算机化神经认知测试。脑震荡后,运动员在不同时间间隔进行重新评估,直至完全康复。
在整个样本中,佩戴Revolution头盔的运动员脑震荡发生率为5.3%,佩戴标准头盔的运动员为7.6%[χ(1, 2, 141)=4.96,P < 0.027]。相对风险估计值为0.69(95%置信区间 = 0.499 - 0.958)。在这项队列研究中,佩戴Revolution头盔与脑震荡相对风险降低约31%和绝对风险降低2.3%相关。佩戴Revolution头盔的运动员与佩戴标准头盔的运动员在受伤机制(如头部对头部撞击)、场上脑震荡标志物(如失忆或意识丧失)或症状的场上表现(如头痛、头晕或平衡问题)方面没有差异。
最近复杂的实验室研究更好地阐明了与职业橄榄球运动员脑震荡相关的损伤生物力学。这些数据导致了头盔设计的改变和新的头盔技术,这似乎对降低高中橄榄球运动员脑震荡的发生率有有益影响。