Abstract
PurposeTo measure and explore complex cardiac anatomy in research and preoperative simulation, a virtual imaging technology—the Vesalius 3D suite (PS Medtech, Amsterdam, Netherlands)—combines Vesalius three-dimensional (3D) image-processing software with an optic-tracking navigation system running PST-Client software. We present a novel method of evaluating dynamic aortic root geometry in vivo using this visualization system. DescriptionBased on electrocardiography-gated cardiac computed tomography data in systole and diastole, images of the aortic root in a healthy adult were reconstructed for 3D visualization. Virtual interaction tools were used to explore and measure the aortic root structures. EvaluationVirtually reconstructed images revealed the aortic root internal structures in exquisite detail. Highly accessible 3D interpretation promptly permitted precise measurements of repair-relevant anatomic parameters, including geometrically complex curves of the aortic root wall and dynamic changes in the aortic valves. Measurement accuracy examined against a known prosthesis showed within 1 mm of error (less than 0.5%). ConclusionsThis technology may promote understanding of aortic root form and function, and facilitate valve-sparing surgery, and seems valuable for 3D exploration and measurement of cardiac anatomy in vivo.
Published Version
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