The incidence of heart failure with preserved ejection fraction(HFpEF) is increasing year by year and HFpEF has become the main form of heart failure. However, its pathological mechanism remains unclear, and there is no effective treatment scheme at present. It is the p...MORE The incidence of heart failure with preserved ejection fraction(HFpEF) is increasing year by year and HFpEF has become the main form of heart failure. However, its pathological mechanism remains unclear, and there is no effective treatment scheme at present. It is the premise of basic studies on HFpEF in Chinese and west...