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Updated: Jun 21, 2025

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
Published on: June 3, 2018
Role of imaging in third aortic valve implantation: TAV-in-TAV-in-SAV
Mi Chen1, Jonathan M Michel1, Barbara E Stähli1,2
1Department of Cardiology, University Hospital Zurich, Zurich, 8091, Switzerland.
Abstract:
Coronary obstruction remains a primary concern for redo transcatheter aortic valve implantation (TAVI) due to supra-annular leaflets. Hereby, we present two valve-in-valve-in-valve cases, initially incorporating a surgical valve implanted to clarify our concept that the surgical valve serves to safeguard against the coronary ostium obstruction.
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