Evaluation of Clinical Outcomes of Patients Undergoing a Redo-TAVI Procedure; a Multicenter Prospective Observational Registry
Patients with severe aortic stenosis (sAS) treated with transcatheter aortic valve implantation (TAVI) (increasingly younger & lower risk pts) are experiencing SVD of the index THV and thus developing an indication for a redo-TAVI procedure.
The evidence on redo-TAVI (where a transcatheter heart valve [THV] is implanted into another THV) is limited, with initial data showing acceptable safety as well efficacy in highly selected and limited populations.
Aim is to evaluate short- and long-term data on patients undergoing transcatheter redo-TAVI procedures with THVs for failure of a previously implanted THV and to determine VARC-3 defined efficacy and safety at 30 days and functional outcome at 1 year.
Pre-procedural Assessment of Coronary Artery Disease in Patients Undergoing Transcatheter Aortic Valve Implantation (TAVI) - Comparision of Pre-TAVI CTA vs. Pre-TAVI ICA
ICA is not always required for a pre-TAVI workup of octogenarians and can be substituted by CTA resulting in a streamlined pre-procedural workup of patients without compromising patient safety.
Circle Method Observational Project - Non-interventional, Retrospective, Multicenter International Data Collection to Validate Circle Method for Sizing and Positioning in Bicuspid Aortic Valves
The goal of this non-interventional, retrospective data analysis is to validate the circle method for patients with bicuspid aortic heart valves undergoing transcatheter aortic heart valve implantation (TAVI).
The main aims are:
* to assess whether patients with bicuspid aortic valves that received a TAVI suffered from fewer complications
* if valve size was identical to the one determined using the circle method compared to
* a case where circle method derived valve size is different from the actually implanted valve
* to develop recommendations on how to size the valve using the circle method.
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