Acute cardiac care & resuscitationCohort study

Sudden Cardiac Death in National Collegiate Athletic Association Athletes: A 20-Year Study

CirculationPublished

  • Retrospective cohort study
  • 20-year time frame
  • 4 independent databases and search strategies
  • expert panel adjudication

Authors' conclusion

The incidence of SCD in college athletes has decreased. Male sex, Black race, and basketball are associated with a higher incidence of SCD.

Study context

Population
National Collegiate Athletic Association athletes, July 1, 2002, through June 30, 2022Sudden cardiac death (SCD) cases of 1102 deaths
Participants
143 athletes
Outcome
Incidence, causes and trends of SCD

Main finding

As reported in the abstract

Overall incidence of SCD

Overall incidence of SCD

1:63 682 athlete-years (95% CI 1:54 065-1:75 010)

SCD incidence trend, 5-year IRR

0.71 (95% CI 0.61-0.82)

Observational data: associations, not effects.

Further findings

OutcomeValues
SCD incidence by sexMale 1:43 348 (95% CI 1:36 228-1:51 867) athlete-years · Female 1:164 504 (95% CI 1:110 552-1:244 787) athlete-years
SCD incidence by raceBlack 1:26 704 (interval 1:20 417-1:34 925) athlete-years · White 1:74 581 (interval 1:60 247-1:92 326) athlete-years

SCD incidence, Division I male basketball players

Highest incidence: Division I male basketball
1:8188
White
1:5848
Black
1:7696 athlete-years

Noncardiovascular deaths trend

Remained stable, 5-year IRR
0.98 (95% CI 0.94-1.04)

Postmortem findings (118 of 143 adjudicable)

Autopsy-negative sudden unexplained death
19.5%
Idiopathic LV hypertrophy or possible cardiomyopathy
16.9%
Hypertrophic cardiomyopathy
12.7%
Myocarditis deaths (1 from Jan 1, 2020, through Jun 30, 2022; none attributed to COVID-19)
8

Exertional SCD

Exertional SCD events
50%
Exertional with coronary artery anomalies
100%
Exertional with arrhythmogenic cardiomyopathy
83%

Case identification by source

NCAA resolutions list
117 of 143 (82%)
Parent Heart Watch database or media reports
89 of 143 (62%)
National Center for Catastrophic Sports Injury Research database
63 of 143 (44%)
Insurance claims
27 of 143 (19%)

Original publication

Sudden Cardiac Death in National Collegiate Athletic Association Athletes: A 20-Year Study. Circulation. Published 13 November 2023. doi:10.1161/circulationaha.123.065908

Summarised from the published abstract; every number is checked against it