Arrhythmias & electrophysiology

Toxicology Screening in Sports-Related Sudden Cardiac Death: A Multinational Observational Study

JACC Clin ElectrophysiolPublished Retrospective cohort study

Authors' conclusion

Sports-related SCD mainly occurred in younger men with structural heart disease. They had a significantly lower prevalence of a positive toxicology screening compared with non-SrSCD, and detection of SCD-associated drugs was rare.

Study context

Population
Sudden cardiac death (SCD) aged 12 to 49 years with complete post mortem, Denmark, Spain and Australia219 (7%) sports-related
Participants
3,189 participants
Exposure
Sports-related SCD vs non-sports-related SCD
  • Sports-related sudden cardiac death (SrSCD)n = 219
Outcome
Postmortem toxicology findings
Methodological detailsmultinational
  • Multinational

Main finding

As reported in the abstract

Positive toxicology screening

P < 0.001

Observational data: associations, not effects.

Further findings

Age

P < 0.001

Male sex

P < 0.001

Death caused by structural cardiac disease

P = 0.038

SrSCD with positive vs negative toxicology

Unexplained deaths, positive vs negative toxicology
59% vs 34%
SUD, positive vs negative toxicology
59% vs 34%
Patient characteristics similar

Toxicology findings in SrSCD

Nonopioid analgesics (most common finding)
3%
SCD-associated drugs detected
6%

Original publication

Toxicology Screening in Sports-Related Sudden Cardiac Death: A Multinational Observational Study. JACC Clin Electrophysiol. Published 20 December 2023. doi:10.1016/j.jacep.2023.11.006

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