Tzikas, A.

aortic patient valve implantation study annulu aortic stenosis heart transcatheter stenosi aortic valve replacement aortic annulus echocardiography regurgitation dvanced i maging prosthesi corevalve table conduction abnormalities replacement diameter result serruys pw baseline change aortic root velocity degree conduction systolic t ranscatheter society difference system cardiol analysis procedure percutaneou jaegere intervention jaegere p association rotation subendocardial contrast medtronic abnormality disease valvular strain imaging serruy severity measurement twist function figure image chapter discharge aortic valve area corevalve revalving system evaluation gradient van geuns rj subendocardial ischemia ejection cardiology guideline apical 10.1002/ ccd c-thv diastolic grade frame tzika regression piazza sizing paravalvular aortic regurgitation