Ex Vivo Intravascular Ultrasound Assessment of Transcatheter Valve Deformation in Bicuspid Anatomy
Karol A Sadowski, Michał Kania, Jarosław Kuriata, Jacek Kądziela, Łukasz Kalińczuk, Ole De Backer · 2026
Read Ex Vivo Intravascular Ultrasound Assessment of Transcatheter Valve Deformation in Bicuspid Anatomy by Karol A Sadowski, Michał Kania, Jarosław Kuriata, Jacek Kądziela, Łukasz Kalińczuk, Ole De Backer (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13523150.txt.
Description
Karol A Sadowski and colleagues examine how a replacement heart valve deforms inside a calcified two-leaflet aortic valve in a 2026 laboratory case. A fifty-three-year-old man's severely narrowed bicuspid valve was removed during surgery, and a catheter valve was deployed inside the excised specimen without balloon preparation, preserving the natural calcium constraints. Ultrasound imaging from inside the vessel scanned the frame during pullback.
The frame's inflow section was severely squeezed, reaching only about two fifths of full expansion, while expansion at the leaflet levels stayed above one hundred percent. Caliper measurements matched the ultrasound values closely. The case gives direct evidence that a rigid calcified ridge can decouple the inflow frame from the working leaflet section, a pattern previously inferred from clinical scans.
Catalog record
| CREATOR | Karol A Sadowski, Michał Kania, Jarosław Kuriata, Jacek Kądziela, Łukasz Kalińczuk, Ole De Backer |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 17428 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |