AUTHOR=Qu XiaoFeng , Bai Miaomiao , Lyu Jianbo , Yin Lili , Zhang Jiahui , Zhao Endong , Mei Lingjun TITLE=Impact of comorbid burden on global left cardiac function and prediction models for myocardial function damage: a cardiac magnetic resonance feature-tracking study JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1525334 DOI=10.3389/fmed.2025.1525334 ISSN=2296-858X