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Background Left atrial (LA) dilation is an important prognostic indicator in heart failure. CMR provides the gold standard for LA volume estimation using the volumetric short axis Simpson method. However, this requires the acquisition of additional images with breatholding which can be difficult in patients with heart failure. We investigated whether volume calculated by the biplane area-length method from CMR and echocardiography were appropriate alternatives in a cohort of patients with heart failure and preserved ejection fraction (HFpEF).

Left atrial dilation in patients with heart failure and preserved ejection fraction: Value of CMR Simpson method