Clinical Research Directory

Invasive Versus Echocardiography-derived Transvalvular Gradients After TAVI Usign Balloon-expandable Transcatheter Heart Valves.

Sponsor: Deutsches Herzzentrum Muenchen

Summary

The aim of this prospective registry is to compare invasive versus echocardiography-derived transvalvular gradients before and after TAVI with balloon-expandable THVs.All patients will undergo a transthoracic echocardiogram in the operating room prior to aortic valve implantation. In addition, two catheters (one in the ventricle and one in the aorta) will be used to invasively measure the transvalvular gradient both before and after aortic valve implantation. The invasive measurements will be performed in different positions of the ventricle and aorta simultaneously. At the end of the procedure, aortic gradient measurement by echocardiography shall be performed again. A maximal three months follow-up is expected.

Official title: Systematic Assessment of Invasive Versus Echocardiography-derived Transprosthetic Gradients After Transcatheter Aortic Valve Implantation Using Balloon-expandable Transcatheter Heart Valves: the IVEGA-TAVI Study.

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