Abstract
Background Transcatheter aortic valve implantation (TAVI) has been established as a therapeutic alternative in patients with severe aortic stenosis at high risk for surgery. Paravalvular aortic regurgitation (AR) is frequent after TAVI. Yet, little data is available about temporal changes of AR and the impact of TAVI on left ventricular (LV) function and dimensions. We used cardiac MRI to evaluate LV function, volumes and mass, the occurrence and degree of AR in the early and medium-term follow-up after TAVI.
Highlights
Transcatheter aortic valve implantation (TAVI) has been established as a therapeutic alternative in patients with severe aortic stenosis at high risk for surgery.Paravalvular aortic regurgitation (AR) is frequent after TAVI
Little data is available about temporal changes of AR and the impact of TAVI on left ventricular (LV) function and dimensions
A calculated regurgitation fraction (RF) of ≥1%-15% was graded as mild, 16%-30% was graded as moderate, 31%-50% as moderate to severe and > 50% was graded severe, a RF
Summary
Temporal changes in left ventricular function and paravalvular aortic regurgitation after transcatheter aortic valve implantation: a cardiac magnetic resonance imaging study. Constanze Merten1*, Hans-Wilko Beurich, Dirk Zachow, Ahmad E Mostafa, Ken Gordian, Ralph Toelg, Volker Geist, Mohamed Abdel-Wahab, Gert H Richardt
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