In the chronic course of aortic regurgitation and aortic stenosis, remodeling of the left ventricle occurs, leading to myocardial hypertrophy and fibrosis. Several studies have shown that extracellular volume fraction and indexed extracellular volume are important surrogate markers for diffuse myocardial fibrosis. However, postoperative data on these extracellular expansion parameters of cardiovascular magnetic resonance for aortic stenosis or aortic regurgitation are scarce.
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