Journal
JACC-CARDIOVASCULAR IMAGING
Volume 13, Issue 1, Pages 283-296Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcmg.2019.02.031
Keywords
cardiac magnetic resonance; extracellular volume map; feature-tracking CMR imaging; phase-contrast imaging; T1 mapping
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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. (C) 2020 by the American College of Cardiology Foundation.
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