OBJECTIVE: To provide data on the risk factors and characteristics of subjects who experience sudden cardiac death (SCD) during physical exercise. METHODS AND RESULTS: We assessed the characteristics and the medico-legal autopsy findings of SCD victims who had experienced a witnessed fatal cardiac arrest at rest (n = 876) or in relation to physical exercise (n = 328) in the Finnish Study of Genotype and Phenotype Characteristics of SCD (FinGesture). A total of 876 (73%) witnessed SCDs occurred at rest (R group) and 328 (27%) during or immediately after physical exercise (PE group). Male gender was more common in the PE group compared to the R group (309/328, 94% versus 678/876, 77%, P < 0.001). Coronary artery disease was a more common structural heart disease than non-ischemic disease at autopsy when SCD was exercise-triggered (299/328, 91% versus 657/876, 75%, P < 0.001). Myocardial scarring and cardiac hypertrophy were more commonly found at autopsy in the PE group (194/328, 59% versus 370/876, 42%, P < 0.001; 243/328, 74% versus 585/876, 67%, P = 0.012, respectively). Skiing, cycling, and snow shoveling were the most common modes of exercise at the time of SCD. CONCLUSIONS: SCD during or immediately after exercise is related to male gender, ischemic heart disease, cardiac hypertrophy, and myocardial scarring.
OBJECTIVE: To provide data on the risk factors and characteristics of subjects who experience sudden cardiac death (SCD) during physical exercise. METHODS AND RESULTS: We assessed the characteristics and the medico-legal autopsy findings of SCD victims who had experienced a witnessed fatal cardiac arrest at rest (n = 876) or in relation to physical exercise (n = 328) in the Finnish Study of Genotype and Phenotype Characteristics of SCD (FinGesture). A total of 876 (73%) witnessed SCDs occurred at rest (R group) and 328 (27%) during or immediately after physical exercise (PE group). Male gender was more common in the PE group compared to the R group (309/328, 94% versus 678/876, 77%, P < 0.001). Coronary artery disease was a more common structural heart disease than non-ischemic disease at autopsy when SCD was exercise-triggered (299/328, 91% versus 657/876, 75%, P < 0.001). Myocardial scarring and cardiac hypertrophy were more commonly found at autopsy in the PE group (194/328, 59% versus 370/876, 42%, P < 0.001; 243/328, 74% versus 585/876, 67%, P = 0.012, respectively). Skiing, cycling, and snow shoveling were the most common modes of exercise at the time of SCD. CONCLUSIONS:SCD during or immediately after exercise is related to male gender, ischemic heart disease, cardiac hypertrophy, and myocardial scarring.
Entities:
Keywords:
Autopsy findings; exercise; risk factors; sudden death
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