Key result
A detailed stent life-cycle simulation accurately predicted the transient stent expansion, dogboning ratio, and final dimensions of folded balloons and crimped/expanded stents with less than 2% deviation from experimental measurements.
Population
Two stent designs with homogenous and heterogeneous stiffness and an asymmetrically positioned stent
Comparison
Detailed stent life-cycle simulation vs displacement-controlled simulation
Design
Simulation and experimental validation study
Authors
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Favors detailed over simplified stent simulations in research; leaves open human validation before clinical impact.
Detailed stent life-cycle simulation, including balloon folding and crimping, is essential for accurate stent expansion analysis and optimization compared to simplified displacement-controlled approaches.
Wiesent et al. (2019) studied In-stent restenosis. Detailed stent life-cycle simulation vs. Displacement-controlled simulation and experimental measurements was evaluated on Stent dimensions (crimped and expanded) and dogboning ratio. A detailed stent life-cycle simulation accurately predicted the transient stent expansion, dogboning ratio, and final dimensions of folded balloons and crimped/expanded stents with less than 2% deviation from experimental measurements.
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