Key result
TAVR embolization occurs when the bioprosthetic valve loses annular contact and moves from its intended location.
Why the study?
Transcatheter aortic valve replacement (TAVR) embolization occurs when the valve loses contact with the annulus and moves from its intended location, posing a clinical challenge.
Describes the mechanism of transcatheter aortic valve replacement embolization, which occurs when the valve loses contact with the annulus.
May inform bailout strategies for rare TAVR embolization; leaves open optimal prevention in high-risk anatomies.
Transcatheter aortic valve replacement (TAVR) is an innovative treatment for aortic valve pathology. TAVRs are performed by either balloon-expandable (BEV) or self-expandable bioprosthetic valve (SEV) deployment across the aortic valve annulus. Fixation of the valve in place relies upon the radial force applied by the stent framing on the surrounding tissue and anchoring of the valve on rigid structures of the aortic annulus. When the valve loses contact with the annulus and moves from its intended location, embolization occurs.
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Braasch et al. (2024) conducted a review in Aortic valve pathology. Transcatheter aortic valve replacement (TAVR) was evaluated. Transcatheter aortic valve replacement embolization occurs when the bioprosthetic valve loses contact with the aortic annulus and moves from its intended location.
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