One in 6 Elite Athletes Show Reduced Heart Function Linked to Genes: Study

Published on January 5, 2024

A new study has revealed that one in six elite athletes has decreased heart function because they have more genes associated with heart muscle disease. The “world first” study conducted by the Victor Chang Cardiac Research Institute found those athletes had heart issues at rest, including an enlarged heart, an irregular heartbeat, and changes in the left chamber responsible for pumping oxygenated blood.  However, their hearts functioned at “super normal” levels during exercise, pumping vigorously to boost cardiac output when needed. Therefore, exercise stresses genetics, causing significant changes in the heart. Professor André La Gerche, who heads the HEART Laboratory, said the results reveal, for the first time, the impact of genetics on heart function in these athletes....

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