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. 2019 Feb;54(2):152-164.
doi: 10.4085/1062-6050-271-17. Epub 2018 Oct 30.

Incidence of Sport-Related Internal Organ Injuries Due to Direct-Contact Mechanisms Among High School and Collegiate Athletes Across 3 National Surveillance Systems

Kristen L Kucera  1   2 , Dustin W Currie  3 , Erin B Wasserman  4 , Zachary Y Kerr  1 , Leah Cox Thomas  1   2 , Stephen Paul  5 , R Dawn Comstock  3
Affiliations

Incidence of Sport-Related Internal Organ Injuries Due to Direct-Contact Mechanisms Among High School and Collegiate Athletes Across 3 National Surveillance Systems

Kristen L Kucera et al. J Athl Train. 2019 Feb.

Abstract

Context: Although sport-related internal organ injuries among athletes are relatively infrequent, combining data sources enables a more comprehensive examination of their incidence.

Objective: To describe the incidence and characteristics of sport-related internal organ injuries due to direct-contact mechanisms among high school (HS) and collegiate athletes from 2005-2006 through 2014-2015.

Design: Descriptive epidemiology study.

Setting: United States HS and collegiate sports data from 3 national sports injury-surveillance systems: High School Reporting Information Online (HS RIO), the National Collegiate Athletic Association Injury Surveillance Program (ISP), and the National Center for Catastrophic Sport Injury Research.

Patients or other participants: High school and collegiate athletes in organized sports.

Main outcome measure(s): Characteristics of the athlete, event, and injury were examined and stratified by data source and sport. Descriptive statistics of internal organ injuries via direct-contact mechanisms consisted of frequencies and incidence rates (IRs) per 1 000 000 athlete-exposures and 95% confidence intervals (CIs).

Results: During the 10-year period, 174 internal organ injuries were captured: 124 in HS RIO and 41 in the ISP; 9 were catastrophic. Most noncatastrophic injuries occurred among males (RIO = 85%, ISP = 89%), in football (RIO = 65%, ISP = 58%), and during competitions (RIO = 67%, ISP = 49%) and were due to player-player contact (RIO = 78%, ISP = 68%). The highest injury rates were in male contact sports: RIO football (IR = 11.7; 95% CI = 9.1, 14.2) and lacrosse (IR = 10.0; 95% CI = 3.1, 16.9); ISP: football (IR = 8.3; 95% CI = 5.0, 11.6) and ice hockey (IR = 7.9; 95% CI = 1.0, 14.7). A quarter of noncatastrophic injuries were season ending (RIO = 25%, ISP = 23%). Of the 9 catastrophic injuries, most occurred in HS (7/9) and football (7/9) and were due to player-player contact (6/9). Four resulted in death.

Conclusions: Direct-contact internal organ injuries occur infrequently; yet when they do occur, they may result in severe outcomes. These findings suggest that early recognition and a better understanding of the activities associated with the event and use or nonuse of protective equipment are needed.

Keywords: catastrophic injuries; epidemiology; injury surveillance.

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Figures

Figure
Figure
Football-related incidence rates of internal organ injuries due to direct-contact mechanisms per 1 000 000 athlete-exposures by year by surveillance system, 2005–2006 through 2014–2015. Note: See Supplemental Table 3 for n, participants, and 95% confidence intervals. Reporting Information Online (RIO) and National Collegiate Athletic Association (NCAA) Injury Surveillance Program rates are calculated per 1 000 000 athlete-exposures; National Center for Catastrophic Sport Injury Research (NCCSIR) rates are per 1 000 000 athlete-seasons.
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