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PET/MR是一种新型的有应用前景的多模态分子影像技术，一次显像可以同时评价心脏解剖、功能和组织成分。心脏PET/MR一体机在心肌缺血、心肌活力、心肌炎性病变、心脏结节病、心肌淀粉样变、心脏肿瘤及动脉粥样硬化斑块等疾病诊断及疗效监测方面具有应用潜力。PET/MR的多种PET显像剂和MR多序列、多参数显像在心血管疾病的研究中具有很好的优势和应用前景，该文对此进行了总结。“,”Simultaneous PET/MR imaging is a novel multimodality imaging approach that can assess disease activity together with assessment of cardiac anatomy, function, and tissue composition during a single scan. Cardiac PET/MR imaging has the potential in the diagnosis and assessment of myocardial ischemia, viability, inflammation, cardiac sarcoidosis, cardiac amyloidosis, cardiac tumors and atherosclerotic plaque imaging. This review summarizes the most promising applications of PET/MR in the cardiovascular field. The combination of various radiotracers and multi-parametric imaging with PET/MR will have a bright future in the research of cardiovascular diseases.