Role of Imaging Techniques for Diagnosis, Prognosis and Management of Heart Failure Patients: Cardiac Magnetic Resonance
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Cardiac magnetic resonance (CMR) has evolved into a major tool for the diagnosis and assessment of prognosis of patients suffering from heart failure. Anatomical and structural imaging, functional assessment, T1 and T2 mapping tissue characterization, and late gadolinium enhancement (LGE) have provided clinicians with tools to distinguish between non-ischemic and ischemic cardiomyopathies and to identify the etiology of non-ischemic cardiomyopathies. LGE is a useful tool to predict the likelihood of functional recovery after revascularization in patients with CAD and to guide the left ventricular (LV) lead placement in those who qualify for cardiac resynchronization (CRT) therapy. In addition, the presence of LGE and its extent in myocardial tissue relate to overall cardiovascular outcomes. Emerging roles for cardiac imaging in heart failure with preserved ejection fraction (HFpEF) are being studied, and CMR continues to be among the most promising noninvasive imaging alternatives in the diagnosis of this disease.
KeywordsCardiac magnetic resonance (CMR) Heart failure (HF) Heart failure with preserved ejection fraction (HFpEF) Heart failure with reduced ejection fraction (HFrEF) Left ventricular dysfunction (LV dysfunction) Cardiomyopathies Infiltrative cardiomyopathies Late gadolinium enhancement (LGE) T1 mapping T2 mapping T2 weighted images T2* imaging
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Conflict of Interest
Jorge A. Gonzalez declares that he has no conflict of interest.
Christopher M. Kramer has received research equipment support from Slemens Healthcare and consultant work for Merck, Myokardia, and St. Jude Medical.
Human and Animal Rights and Informed Consent
This article does not contain any studies with human or animal subjects performed by any of the authors.
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