Patient Specific Animation of Carotid Body Tumor Resection
Alan B Lumsden
Houston Methodist DeBakey Heart & Vascular Center, Houston, TX
OBJECTIVES: It is well established that the more a patient understands prior to a procedure, the more likely a satisfactory and successful outcome. Patient education has involved discussion with the physician, paper copy explaining the procedure and occasionally generic animations. Most physicians are unaware of the fact that with appropriate processing and a new technique called cinematic rendering, CT scans can be rendered to make them look much like anatomy, including surface features. In this video we demonstrate how a 3D data set extracted from the CT scan can be used to create a patient specific animation. We propose that this will allow faster, less expensive and more accurate animations.METHODS: We piloted this new technique using a CT scan of a patient with a left carotid body tumor. The relevant 3D anatomy was extracted using MIMICS software, traditionally used to create 3 D models. A very experienced animator used 3DS animation software( Autodesk) to render the animation, add texture, additional camera views and labelling. Additionally, we provided the animation team with an HD recording of the entire procedure. This demonstrated the type of instrument used, how they were used and the sequence of the procedure. CONCLUSIONS: The completed animation is the first of it's kind. Patient specific 3D anatomical data can be used to drive the animation process. We believe this has increased the quality of educational animations, may shorten development time and reduce development costs.
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