Case report
Three-Dimensional Printing of Models for Preoperative Planning and Simulation of Transcatheter Valve Replacement

https://doi.org/10.1016/j.athoracsur.2011.09.031Get rights and content

In this study, we show the use of three-dimensional printing models for preoperative planning of transcatheter valve replacement in a patient with an extreme porcelain aorta. A 70-year-old man with severe aortic stenosis and a porcelain aorta was referred to our center for transcatheter aortic valve replacement. Unfortunately, the patient died after the procedure because of a potential ischemic event. Therefore, we decided to fabricate three-dimensional models to evaluate the potential effects of these constructs for previous surgical planning and simulation of the transcatheter valve replacement.

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TAVI has become a new approach alternative to conventional heart valve replacement in patients in whom open surgical techniques were not possible [1]. Almost all publications conclude that the preoperative assessment of the aortic annulus dimensions is important for correct valve sizing and finally to minimize perioperative complications such as paravalvular aortic regurgitation, valve migration, and ischemic events. However, a gold standard has not been established, and numerous techniques for

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