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Older Athletes: Exercise May Trigger Heart Risks
17 Jan
Summary
- Study finds older male endurance athletes over 50 risk abnormal heart rhythms.
- Heart scarring present in most athletes experiencing rhythm disturbances.
- Exercise may trigger, not cause, dangerous rhythms in predisposed athletes.
A recent study published in the European Journal of Preventive Cardiology indicates that male endurance athletes over the age of 50 might experience dangerous heart rhythm disturbances. These episodes are particularly associated with existing scarring in the heart muscle. Researchers monitored 106 healthy male runners and cyclists, finding that approximately one in four participants had episodes of ventricular tachycardia, a potentially life-threatening rapid heart rhythm.
Further analysis revealed that three out of four athletes who experienced these arrhythmias showed evidence of myocardial scarring. Lead author Wasim Javed clarified that exercise acts as a trigger only in individuals already at high risk due to heart scarring, rather than being the sole cause. This finding is significant given that about 90% of exercise-related sudden cardiac deaths occur in males.
Despite these findings, cardiologists affirm that regular physical activity is overwhelmingly beneficial for cardiovascular health. However, the study recommends that older athletes with long competitive histories should consider regular cardiovascular screenings and consult a physician about symptoms like dizziness or palpitations. Wearable heart monitors may also aid in early detection of irregular rhythms.
