Department of Neurology, Long Island Jewish Medical Center, New Hyde Park, New York ; Department of Neurology, Albert Einstein College of Medicine, Bronx, New York.
Sports Health. 2010 Nov;2(6):471-83. doi: 10.1177/1941738110383963.
Concussion in the National Football League (NFL) remains an important issue. An initial description of the injury epidemiology involved 6 years from 1996 to 2001.
The increased attention to concussions may have resulted in team physicians being more conservative in treating players in recent years.
Two consecutive 6-year periods (1996-2001 and 2002-2007) were compared to determine changes in the circumstances associated with the injury, the patterns of signs and symptoms, and the players' time loss from participation in the NFL.
During 2002-2007, concussions were recorded by NFL team physicians and athletic trainers using the same standardized reporting form used from 1996 to 2001. Player position, type of play, concussion signs and symptoms, loss of consciousness, and medical action taken were recorded.
There were 0.38 documented concussions per NFL game in 2002-2007-7.6% lower than the 0.42 in the earlier period (1996-2001). The injury rate was lower in quarterbacks and wide receivers but significantly higher in tight ends during the second 6 years. The most frequent symptoms were headaches and dizziness; the most common signs were problems with information processing and immediate recall. During 2002-2007, a significantly lower fraction of concussed players returned to the same game, and more were removed from play. Most concussed players (83.5%) returned to play in < 7 days; the percentage decreased to 57.4% with loss of consciousness. The number of players returning in < 7 days was 8% lower during 2002-2007 and 25% lower for those with loss of consciousness.
The most recent 6 years of NFL concussion data show a remarkable similarity to the earlier period. However, there was a significant decrease in the percentage of players returning to the same game, and players were held out of play longer.
There was a more conservative management of concussion in NFL players from 2002 to 2007 even though the clinical signs and symptoms remained similar to the earlier 6-year period.
美国国家橄榄球联盟（NFL）中的脑震荡仍然是一个重要问题。最初对 1996 年至 2001 年 6 年期间涉及的损伤流行病学进行了描述。
近年来，对脑震荡的关注度增加可能导致队医在治疗运动员时更加保守。
比较了两个连续的 6 年期间（1996-2001 年和 2002-2007 年），以确定与损伤相关的情况、体征和症状模式以及运动员从 NFL 比赛中受伤的时间损失的变化。
在 2002-2007 年期间，NFL 队医和运动训练员使用与 1996-2001 年相同的标准化报告表记录脑震荡。记录了运动员的位置、比赛类型、脑震荡体征和症状、意识丧失以及采取的医疗措施。
2002-2007 年，每场 NFL 比赛中记录的脑震荡为 0.38 例-比前 6 年（1996-2001 年）的 0.42 例低 7.6%。在第二个 6 年期间，四分卫和外接手的受伤率较低，但近端锋的受伤率显著较高。最常见的症状是头痛和头晕；最常见的体征是信息处理和即时回忆方面的问题。在 2002-2007 年期间，返回同一比赛的脑震荡运动员比例明显降低，更多的运动员被清除出场。大多数脑震荡运动员（83.5%）在<7 天内重返赛场；意识丧失时，这一比例降至 57.4%。在 2002-2007 年期间，<7 天内返回的运动员人数减少了 8%，而意识丧失的运动员人数减少了 25%。
最近 6 年的 NFL 脑震荡数据与前一个时期非常相似。然而，返回同一比赛的运动员比例显著下降，运动员的离场时间也延长了。
即使临床体征和症状与前 6 年相似，2002 年至 2007 年 NFL 运动员的脑震荡管理更加保守。
