AUTHOR=Xie Zi-Qi , Xie Qing , Zheng Xiao-Ye , Wu Xiao-Juan , Liu Wei-Hua , Li Ru , Zhu Hong-Yan , Zhou Qi TITLE=Echocardiographic assessment of the relationship between cardiac function and plasma homocysteine levels in patients with heart failure and preserved ejection fraction JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1525389 DOI=10.3389/fcvm.2025.1525389 ISSN=2297-055X