Comparison of transcatheter aortic valve and surgical bioprosthetic valve durability: a fatigue simulation study

C Martin, W Sun - Journal of biomechanics, 2015 - Elsevier
Transcatheter aortic valve (TAV) intervention is now the standard-of-care treatment for
inoperable patients and a viable alternative treatment option for high-risk patients with …

[HTML][HTML] Evaluation of an aortic valve prosthesis: Fluid-structure interaction or structural simulation?

G Luraghi, W Wu, F De Gaetano, JFR Matas… - Journal of …, 2017 - Elsevier
Bio-inspired polymeric heart valves (PHVs) are excellent candidates to mimic the structural
and the fluid dynamic features of the native valve. PHVs can be implanted as prosthetic …

[HTML][HTML] Simulation of self expanding transcatheter aortic valve in a realistic aortic root: implications of deployment geometry on leaflet deformation

PS Gunning, TJ Vaughan, LM McNamara - Annals of biomedical …, 2014 - Springer
Abstract Self expanding Transcatheter Aortic Valve Replacements (TAVR) can conform to
the geometry of the aortic annulus and the calcified leaflet complex, which may result in …

Fluid–structure interaction analysis of eccentricity and leaflet rigidity on thrombosis biomarkers in bioprosthetic aortic valve replacements

D Oks, C Samaniego, G Houzeaux… - International Journal …, 2022 - Wiley Online Library
This work intends to study the effect of aortic annulus eccentricity and leaflet rigidity on the
performance, thrombogenic risk and calcification risk in bioprosthetic aortic valve …

In vitro hydrodynamic assessment of a new transcatheter heart valve concept (the TRISKELE)

B Rahmani, S Tzamtzis, R Sheridan, MJ Mullen… - Journal of …, 2017 - Springer
This study presents the in vitro hydrodynamic assessment of the TRISKELE, a new system
suitable for transcatheter aortic valve implantation (TAVI), aiming to mitigate the procedural …

Total ellipse of the heart valve: the impact of eccentric stent distortion on the regional dynamic deformation of pericardial tissue leaflets of a transcatheter aortic valve …

PS Gunning, N Saikrishnan… - Journal of The …, 2015 - royalsocietypublishing.org
Transcatheter aortic valve replacements (TAVRs) are a percutaneous alternative to surgical
aortic valve replacements and are used to treat patients with aortic valve stenosis. This …

Simulated transcatheter aortic valve flow: implications of elliptical deployment and under‐expansion at the aortic annulus

E Sirois, W Mao, K Li, J Calderan, W Sun - Artificial organs, 2018 - Wiley Online Library
Clinical use of transcatheter aortic valves (TAVs) has been associated with abnormal
deployment, including oval deployment and under‐expansion when placed into calcified …

Comparison of self‐expanding and balloon‐expandable transcatheter aortic valves morphology and association with paravalvular regurgitation: Evaluation using …

JG Almeida, SM Ferreira, P Fonseca… - Catheterization and …, 2018 - Wiley Online Library
Objectives Compare final morphology of self‐expanding and balloon‐expandable
prosthesis and association with paravalvular regurgitation (PVR). Background PVR after …

[HTML][HTML] Realistic vascular replicator for TAVR procedures

OM Rotman, B Kovarovic, C Sadasivan… - Cardiovascular …, 2018 - Springer
Transcatheter aortic valve replacement (TAVR) is an over-the-wire procedure for treatment
of severe aortic stenosis (AS). TAVR valves are conventionally tested using simplified left …

Effect of oversizing and elliptical shape of aortic annulus on transcatheter valve hemodynamics: An in vitro study

E Salaun, AS Zenses, M Evin, F Collart, G Habib… - International journal of …, 2016 - Elsevier
Background Transcatheter aortic valve implantation (TAVI) is often performed in patients
with non-circular aortic annulus and in oversizing (OS) conditions. The impact of elliptical …