Simulation of Congenital Heart Defect Corrective Surgeries Using Thin Shell Elements

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Publikace nespadá pod Ústav výpočetní techniky, ale pod Fakultu informatiky. Oficiální stránka publikace je na webu


Rok publikování 2012
Druh Článek ve sborníku
Konference Computational Biomechanics for Medicine : Models, Algorithms and Implementation
Fakulta / Pracoviště MU

Fakulta informatiky

Obor Informatika
Klíčová slova congenital heart disease; surgical simulation; shell element
Popis Congenital heart defect (CHD) corrective interventions in infants are extremely challenging due to commonly complex and heterogeneous disease patterns. At present, cardiac surgeons can only rely on non-invasive imaging prior to surgery. Critical decisions regarding the surgical procedure of choice and its execution must be made during the actual surgery and are strongly dependent on experience. We want to improve surgery planning by providing a simulation system that is able to accurately predict patient-specific results for different surgical procedures preoperatively. Therefore we use a sophisticated simulation model based on thin shell elements. We present a novel joining approach that allows for implementing all necessary surgical low-level procedures, e.g. incising and suturing, independent from the simulation model. No modifications are necessary for already approved thin shell implementations and our simulation system can instantaneously benefit from further improved simulation models in the future. By reducing computationally expensive simulations to a minimum during a virtual surgery we can achieve a fluent workflow for surgeons. However, a specialized mesh resampling algorithm is required to fully utilize our simulation system.
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