Quantification of Stent Creep by Three-Dimensional Transesophageal Echocardiography in Patients Undergoing Transcatheter Aortic Valve-in-Valve Implantation for Failed Bioprostheses
Journal
Acta Cardiologica Sinica
Journal Volume
35
Journal Issue
4
Pages
380
Date Issued
2019-07
Author(s)
Abstract
Transcatheter aortic valve-in-valve implantation (aVIV) has been used to treat bioprosthetic failure due to "stent creep", defined as inward flexion or bending of stent posts. The aim of this study was to develop quantitative three-dimensional transesophageal echocardiography (3D-TEE) geometric analysis of failed bioprostheses to determine the incidence of stent creep in patients undergoing aVIV and its contribution to the hemodynamics of those valves.
Subjects
Aortic valve-in-valve; Bioprosthetic valve dysfunction; Stent creep ratio
Type
journal article