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  • American Academy of Pediatrics (AAP)  (2)
  • 1
    Online Resource
    Online Resource
    American Academy of Pediatrics (AAP) ; 2010
    In:  Pediatrics Vol. 125, No. 6 ( 2010-06-01), p. e1394-e1401
    In: Pediatrics, American Academy of Pediatrics (AAP), Vol. 125, No. 6 ( 2010-06-01), p. e1394-e1401
    Abstract: The objective was to determine how body collision type and player anticipation affected the severity of head impacts sustained by young athletes. For anticipated collisions, we sought to evaluate different body position descriptors during delivery and receipt of body collisions and their effects on head impact severity. We hypothesized that head impact biomechanical features would be more severe in unanticipated collisions and open-ice collisions, compared with anticipated collisions and collisions along the playing boards, respectively. METHODS: Sixteen ice hockey players (age: 14.0 ± 0.5 years) wore instrumented helmets from which biomechanical measures (ie, linear acceleration, rotational acceleration, and severity profile) associated with head impacts were computed. Body collisions observed in video footage captured over a 54-game season were evaluated for collision type (open ice versus along the playing boards), level of anticipation (anticipated versus unanticipated), and relative body positioning by using a new tool developed for this purpose. RESULTS: Open-ice collisions resulted in greater head linear (P = .036) and rotational (P = .003) accelerations, compared with collisions along the playing boards. Anticipated collisions tended to result in less-severe head impacts than unanticipated collisions, especially for medium-intensity impacts (50th to 75th percentiles of severity scores). CONCLUSION: Our data underscore the need to provide players with the necessary technical skills to heighten their awareness of imminent collisions and to mitigate the severity of head impacts in this sport.
    Type of Medium: Online Resource
    ISSN: 0031-4005 , 1098-4275
    Language: English
    Publisher: American Academy of Pediatrics (AAP)
    Publication Date: 2010
    detail.hit.zdb_id: 1477004-0
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  • 2
    In: Pediatrics, American Academy of Pediatrics (AAP), Vol. 128, No. 1 ( 2011-07-01), p. e1-e8
    Abstract: Sudden deaths of young competitive athletes are highly visible events that have a substantial effect on families and communities. Recent attention has focused predominantly on cardiovascular causes, and less on traumatic organ damage. OBJECTIVE: To define the clinical profile, epidemiology, and frequency of trauma-related deaths in young US athletes. METHODS: We analyzed the 30-year US National Registry of Sudden Death in Young Athletes (1980–2009) by using systematic identification and tracking strategies. RESULTS: Of 1827 deaths of athletes aged 21 years or younger, 261 (14%) were caused by trauma-related injuries, usually involving the head and/or neck (mean: 16 ± 2 years; 90% male) in 22 sports. The highest number of events in a single year was 16 (1986), with an average of 9 per year throughout 30 years. The mortality rate was 0.11 in 100 000 participations (95% confidence interval: 0.08–0.15). The largest number of deaths was in football (148 [57%]), including 17 high school athletes who sustained concussions shortly before fatal head trauma (“second-impact syndrome”). Football deaths were more frequent in defensive players, although the single most common position involved was running back (61% of offensive players). CONCLUSIONS: In a large community-based national registry, sudden deaths caused by blunt trauma in young athletes aged 21 years or younger were relatively uncommon with 16 or fewer per year, about fourfold less than cardiovascular deaths. These fatalities were most frequent in football, and an important proportion of deaths after head blows in high school football were associated with a recent history of symptomatic concussion.
    Type of Medium: Online Resource
    ISSN: 0031-4005 , 1098-4275
    Language: English
    Publisher: American Academy of Pediatrics (AAP)
    Publication Date: 2011
    detail.hit.zdb_id: 1477004-0
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
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