Study identifies two distinct HFpEF subtypes with different disease mechanisms

Millions of HFpEF patients worldwide experience symptoms like shortness of breath and fatigue with limited effective treatment options due to disease heterogeneity.

Heart failure with preserved ejection fraction has long confounded medicine precisely because it is not one disease but many wearing the same name. A study from Qingdao University, using machine learning to listen for patterns rather than impose them, found two distinct patient populations within this diagnosis — one younger, burdened by kidney disease and cardiac dyssynchrony, the other older, driven by hormonal stress and age — each following its own internal logic toward the same exhausting outcome. The finding does not solve the puzzle, but it redraws the map, suggesting that the path towa

Study identifies two distinct HFpEF subtypes with different disease mechanisms

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