Heart failure with preserved ejection fraction presents a challenging diagnosis given a heterogeneous patient population and limited therapeutic options. Diastolic function assessment using echocardiography has been a cornerstone in the work-up and is as important as systolic functional assessment. There has been increased awareness to the potential utility of cardiac magnetic resonance (CMR) imaging over the past decade as a promising, radiation-free, robust imaging modality providing an unrestricted field of view and high-resolution images for global and regional functional assessment. CMR provides early markers for detecting myocardial disease using tissue characterization imaging, which might prove useful to improve diagnosis and management. Over the years, several studies have examined CMR-derived diastolic functional indices, including transmitral and pulmonary venous velocities, left ventricular and left atrial strain using myocardial tagging, and, more recently, feature tracking. The relevance of imaging-based diastolic function indices and their clinical application across different modalities is increasingly recognized.

中文翻译：

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CMR在评估HFpEF舒张功能障碍和表型中的作用：当前作用和未来展望。

考虑到不同的患者人群和有限的治疗选择，保留射血分数的心力衰竭提出了具有挑战性的诊断。使用超声心动图进行舒张功能评估一直是基础检查，与收缩功能评估同样重要。在过去的十年中，人们对心脏磁共振（CMR）成像作为一种有前途，无辐射，鲁棒的成像方式的潜在效用的认识不断提高，为全球和区域功能评估提供了不受限制的视野和高分辨率图像。CMR提供了使用组织表征成像检测心肌疾病的早期标记，这可能被证明有助于改善诊断和管理。多年来，有几项研究检查了CMR衍生的舒张功能指标，包括传输速度和肺静脉速度，使用心肌标签的左心室和左心房拉伤，以及最近的特征跟踪。基于影像学的舒张功能指数及其在不同模式中的临床应用之间的相关性日益得到认可。