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NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1109/TBME.2012.2230326 Engineering, 60, 4, pp. 1013Engineering, 60, 4, pp. -1022Engineering, 60, 4, pp. , 2012 Real-time blood circulation and bleeding model for surgical training Boisvert, Jonathan; Poirier, Guillaume; Borgeat, Louis; Godin, Guy Abstract-Intra-operative management of bleeding is a critical skill all surgeons must possess. It is however very challenging to create a safe and realistic learning environment for its acquisition. In this paper, we propose a simple and efficient approach to integrate blood circulation to computerized surgical simulation systems and allow for real-time processing of punctures, ruptures, and cauterization of blood vessels. Blood pressures and flows are calculated using a system of ordinary differential equations, which can be simulated very efficiently. The equation system itself is constructed using a graph of the vessels' connectivity extracted from magnetic resonance angiograms (MRA) and completed with virtual vessels deduced from the principle of minimum work. Real-time performances of the method are assessed and results are demonstrated on ten patients who underwent an MRA before removal of a brain tumour.
IEEE Transactions on Biomedical