Can restrictive filling pattern on dobutamine stress echocardiography predict recovery of left ventricular systolic function after valve replacement in patients with low flow-low gradient aortic stenosis?
Keywords: AS, aortic stenosis; AVA, aortic valve area; AVR, aortic valve replacement; DSE, dobutamine stress echocardiography; EF, ejection fraction; IVRT, isovolumic relaxation time; LA, left atrial; LF/LGAS, low flow/low gradient aortic stenosis; LV, left ventric