Multiobjective patient-specific estimation of a coronary circulation model for triple vessel disease.

David Ojeda 1 Virginie Le Rolle 1 Agnes Drochon 2 Majid Harmouche 1, 3 Herve Corbineau 3, 1 Jean-Phillipe Verhoye 1, 3 Alfredo Hernandez 1, *
* Auteur correspondant
1 LTSI - Laboratoire Traitement du Signal et de l'Image
2 BIM - Biomécanique et génie biomédical
3 Service de chirurgie thoracique cardiaque et vasculaire [Rennes]
Abstract : Computational models can help understand the hemodynamics of the coronary circulation, which is of the upmost importance to help clinicians before, during and after a coronary artery bypass graft surgery. In this paper, we propose a multiobjective optimization method for parameter estimation of a computational model representing the coronary circulation on patients with a triple vessel disease. This estimation was not based on any assumption regarding the development of the collateral circulation, like in previous works. Indeed, the collateral development of a given patient is estimated through the model parameters. Parameter estimation was performed using clinical data from three patients, obtained before and during an off-pump coronary artery bypass graft surgery (CABG). Results showed a better performance when comparing the simulation with clinical data, since the total error estimation for three patients was reduced by 40 ± 22%. Moreover, the proposed method provides new insight regarding the heterogeneous configuration of the alternative collateral vessels.
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Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, Institute of Electrical and Electronics Engineers (IEEE), 2013, 2013, pp.3877-80. 〈10.1109/EMBC.2013.6610391〉
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David Ojeda, Virginie Le Rolle, Agnes Drochon, Majid Harmouche, Herve Corbineau, et al.. Multiobjective patient-specific estimation of a coronary circulation model for triple vessel disease.. Conference proceedings : .. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference, Institute of Electrical and Electronics Engineers (IEEE), 2013, 2013, pp.3877-80. 〈10.1109/EMBC.2013.6610391〉. 〈inserm-00881719〉

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