Aortic Stenosis Clinical Trial
Official title:
Cardiac Magnetic Resonance Imaging Versus Computed Tomography to Guide Transcatheter Aortic Valve Replacement: A Randomized Multicenter Trial
To prove the non-inferiority of TAVR-CMR compared to TAVR-CT to guide TAVR according to clinical efficacy, defined as implantation success based on the VARC-2 criteria.
Study Title: Cardiac Magnetic Resonance Imaging Versus Computed Tomography to Guide Transcatheter Aortic Valve Replacement (TAVR-CMR). Coordinating Prinicpal Investigator: Prof. Bernhard Metzler, University Clinic of Internal Medicine III, Cardiology and Angiology, Innsbruck Medical University. Planned Study Period: 2017-2023. Objective: To investigate, for the first time, the non-inferiority of TAVR-CMR to contrast-enhanced computed tomography (TAVR-CT) regarding efficacy and safety end-points. Design: Prospective, randomized, open-label, multi-centre trial. Patients (planned): 270 patients. Diagnosis / Inclusion Criteria: Symptomatic severe aortic stenosis scheduled for TAVR based on a local heart-team decision. Methods: Patients will be randomized in a 1:1 fashion to receive a predefined TAVR-CMR protocol or to receive a standard TAVR-CT protocol within two weeks after inclusion. Main Outcome Measure: Follow-up will be performed at hospital discharge after TAVR and after 6 months. The primary efficacy outcome is device implantation success at discharge. The secondary endpoints are a combined safety endpoint and a combined clinical efficacy endpoint at baseline and at 6 months, as well as a comparison of imaging procedure related variables (see section 5.11.2). Endpoint definitions are based on the updated 2012 VARC-2 consensus document. ;
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