Incidence of sudden cardiac arrest in high school student athletes on school campus

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Triggering of sudden death from cardiac causes by vigorous exertion.

Christine M. Albert, Murray A. Mittleman, Claudia U. Chae … (2000)

Retrospective and cross-sectional data suggest that vigorous exertion can trigger cardiac arrest or sudden death and that habitual exercise may diminish this risk. However, the role of physical activity in precipitating or preventing sudden death has not been assessed prospectively in a large number of subjects. We used a prospective, nested case-crossover design within the Physicians' Health Study to compare the risk of sudden death during and up to 30 minutes after an episode of vigorous exertion with that during periods of lighter exertion or none. We then evaluated whether habitual vigorous exercise modified the risk of sudden death that was associated with vigorous exertion. In addition, the relation of vigorous exercise to the overall risk of sudden death and nonsudden death from coronary heart disease was assessed. During 12 years of follow-up, 122 sudden deaths were confirmed among the 21,481 male physicians who were initially free of self-reported cardiovascular disease and who provided information on their habitual level of exercise at base line. The relative risk of-sudden death during and up to 30 minutes after vigorous exertion was 16.9 (95 percent confidence interval, 10.5 to 27.0; P<0.001). However, the absolute risk of sudden death during any particular episode of vigorous exertion was extremely low (1 sudden death per 1.51 million episodes of exertion). Habitual vigorous exercise attenuated the relative risk of sudden death that was associated with an episode of vigorous exertion (P value for trend=0.006). The base-line level of exercise was not associated with the overall risk of subsequent sudden death. These prospective data from a study of U.S. male physicians suggest that habitual vigorous exercise diminishes the risk of sudden death during vigorous exertion.

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Incidence of sudden cardiac death in National Collegiate Athletic Association athletes.

David Klossner, Steven K. Harmon, Jonathan A. Drezner … (2011)

The true incidence of sudden cardiac death (SCD) in US athletes is unknown. Current estimates are based largely on case identification through public media reports and estimated participation rates. The purpose of this study was to more precisely estimate the incidence of SCD in National Collegiate Athletic Association (NCAA) student-athletes and assess the accuracy of traditional methods for collecting data on SCD. From January 2004 through December 2008, all cases of sudden death in NCAA student-athletes were identified by use of an NCAA database, weekly systematic search of public media reports, and catastrophic insurance claims. During the 5-year period, there were 273 deaths and a total of 1 969 663 athlete participant-years. Of these 273 deaths, 187 (68%) were due to nonmedical or traumatic causes, 80 (29%) to medical causes, and 6 (2%) to unknown causes. Cardiovascular-related sudden death was the leading cause of death in 45 (56%) of 80 medical cases, and represented 75% of sudden deaths during exertion. The incidence of SCD was 1:43 770 participants per year. Among NCAA Division I male basketball players, the rate of SCD was 1:3100 per year. Thirty-nine (87%) of the 45 cardiac cases were identified in the NCAA database, only 25 (56%) by use of public media reports, and 9 (20%) from catastrophic claims data. SCD is the leading medical cause of death and death during exercise in NCAA student-athletes. Current methods of data collection underestimate the risk of SCD. Accurate assessment of SCD incidence is necessary to shape appropriate health policy decisions and develop effective strategies for prevention.

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Effectiveness of emergency response planning for sudden cardiac arrest in United States high schools with automated external defibrillators.

Justin Heistand, K Bloomingdale, Steven K. Harmon … (2009)

US high schools are increasingly adopting automated external defibrillators (AEDs) for use in campus settings. We analyzed the effectiveness of emergency response planning for sudden cardiac arrest (SCA) in a large cohort of US high schools that had onsite AED programs. A cohort of US high schools with at least 1 onsite AED was identified from the National Registry for AED Use in Sports. A school representative completed a comprehensive survey on emergency planning and provided details of any SCA incident occurring within 6 months of survey completion. Surveys were completed between December 2006 and July 2007. In total, 1710 high schools with an onsite AED program were studied. Although 83% (1428 of 1710) of schools have an established emergency response plan for SCA, only 40% practice and review the plan at least annually with potential school responders. A case of SCA was reported by 36 of 1710 schools (2.1%). The 36 SCA victims included 14 high school student athletes (mean age, 16 years; range, 14 to 17 years) and 22 older nonstudents (mean age, 57 years; range, 42 to 71 years) such as employees and spectators. No cases were reported in student nonathletes. Of the 36 SCA cases, 35 (97%) were witnessed, 34 (94%) received bystander cardiopulmonary resuscitation, and 30 (83%) received an AED shock. Twenty-three SCA victims (64%) survived to hospital discharge, including 9 of the 14 student athletes and 14 of the 22 older nonstudents. School-based AED programs provide a high survival rate for both student athletes and older nonstudents who suffer SCA on school grounds. High schools are strongly encouraged to implement onsite AED programs as part of a comprehensive emergency response plan to SCA.

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Journal

Title: Heart Rhythm

Abbreviated Title: Heart Rhythm

Publisher: Elsevier BV

ISSN (Print): 15475271

Publication date Created: July 2014

Publication date (Print): July 2014

Volume: 11

Issue: 7

Pages: 1190-1194

Article

DOI: 10.1016/j.hrthm.2014.04.017

PubMed ID: 24732370

SO-VID: 7b678356-d0d8-4634-a2fa-2e11e97a4456

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Incidence of sudden cardiac arrest in high school student athletes on school campus

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Most cited references 19

Triggering of sudden death from cardiac causes by vigorous exertion.

Incidence of sudden cardiac death in National Collegiate Athletic Association athletes.

Effectiveness of emergency response planning for sudden cardiac arrest in United States high schools with automated external defibrillators.

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