What type of study is this?

This is a Cohort Study study (also classified as: Quantitative Study, Experimental Study).

October 8, 2025Open Access

Patient-Specific Fluid–Structure Interaction Modeling of the Sapien 3 Ultra Valve with Clinical Validation in a Small Patient Cohort

Key Points

Predicted hemodynamic parameters align closely with clinical data, enhancing model credibility and usability.
Fluid-structure interaction modeling showed effective replication of in-vitro flow conditions and valve dynamics.
The study utilized finite element models to analyze post-operative behavior in five reconstructed anatomies.
High-fidelity multiphysics models provide insights into valve performance and potential procedural outcomes.

Abstract

We developed, verified, and validated a patient-specific Fluid–Structure Interaction (FSI) simulation pipeline to assess the post-operative behavior of the Sapien 3 Ultra transcatheter aortic valve. The study builds on a validated foundation, where 23 mm and 26 mm valve models were first developed, verified, and validated under in-vitro conditions, following ASME V paving the way for personalized pre-TAVI planning, patient selection, and improved prediction of procedural outcomes.

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