Key result
Simulated TAVI catheter insertion induces local pressure drops and elevated wall shear stress at iliac access.
Why the study?
TAVI can induce hemodynamic complications during catheter insertion that require investigation using computational fluid dynamics to understand their impact.
Population
Computational fluid dynamics models of catheter insertion during TAVI
Comparison
Catheter insertion at four critical phases from iliac access to ascending aorta
Design
Computational fluid dynamics simulation study
Authors
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These CFD-detected changes may signal vascular injury risk in TAVI; leaves open translation to clinical events and patient-specific use.
Computational fluid dynamics can effectively capture catheter-induced hemodynamic disturbances during TAVI delivery, providing a foundation for patient-specific risk assessment and procedural optimization.
Grassi et al. (2026) studied Transcatheter aortic valve implantation (TAVI). Catheter insertion during TAVI was evaluated on Hemodynamic impact (blood flow alterations, pressure drop, wall shear stress). Catheter insertion during TAVI induced a pronounced local pressure drop and elevated wall shear stress at the access-side iliac artery in computational fluid dynamics simulations.
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