A nomogram risk prediction model for ischemic mitral regurgitation after primary percutaneous coronary intervention in patients with ST-segment elevation myocardial infarction - Jiangping Ye; Rikang Yuan; Yehong Liu; Weijian Wang; Dongxia Xu; Yimeng Li; Gangyong Wu; Gangjun Zong (European Journal of Medical Research, 2025)