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Hemodynamic valve performance. Three-year echocardiography core laboratory findings. Mean±SDs are reported for each time point. A, Effective orifice area and mean gradients in patients <75 years undergoing transcatheter aortic valve replacement (TAVR) or surgery. B, The rates of residual paravalvular regurgitation in patients <75 years undergoing TAVR or surgery. EOA indicates effective orifice area; and MG, mean gradient.
