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Peer-Reviewed Publication
JACC Case Rep2022;4(5):318-320.March 2, 2022Journal Article

Turbulent Kinetic Energy Loss and Shear Stresses Before and After Transcatheter Aortic Valve Replacement.

Stefan Toggweiler1, Bart De Boeck1,2, Ozge Karakas3, Utku Gülan3
1Heart Center Lucerne, Luzerner Kantonsspital, Lucerne, Switzerland.
2Department of Radiology, Luzerner Kantonsspital, Lucerne, Switzerland.
3Hi-D Imaging, Winterthur, Switzerland.
PubMed PMC DOI PDF

Abstract

Blood flow and shear stresses were quantified using 4-dimensional flow cardiac magnetic resonance and 3-dimensional particle velocimetry before and after transcatheter aortic valve replacement (TAVR). TAVR reduced turbulent kinetic energy by 47% and shear stresses by 33%, illustrating that the benefit of TAVR extends beyond a simple reduction in transvalvular gradients. (Level of Difficulty: Advan…

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