Intra-operative Registration for Deep Brain Stimulation Procedures based on a Full Physics Head Model

Abstract : Brain deformation is a factor of inaccuracy during stereotactic neurosurgeries. If this phenomenon is not considered in the pre-operative planning or intra-operatively, it could lead to surgical complications, side effects or ineffectiveness. In this paper, we present a patient-specific method to update the pre-operative planning based on a physical simulation of the brain shift. A minimization process estimates parameters of the simulation in order to compute the brain tissue deformation matching the partial data taken from intra-operative modalities. The simulation is based on a patient-specific biomechanical model of the brain and the cerebro-spinal fluid. We validate the method on a patient with a post-operative MRI.
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Submitted on : Wednesday, September 3, 2014 - 1:23:35 PM
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Alexandre Bilger, Eric Bardinet, Sara Fernández-Vidal, Christian Duriez, Pierre Jannin, et al.. Intra-operative Registration for Deep Brain Stimulation Procedures based on a Full Physics Head Model. MICCAI 2014 Workshop on Deep Brain Stimulation Methodological Challenges - 2nd edition, Sep 2014, Boston, United States. ⟨hal-01060304⟩

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