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C-0908 - Curved multi-planar reformat for assessing device deployment in neurovascular interventional treatment

D. Ruijters1, F. van Nijnatten1, T. Grünhagen1, J. Moret2, L. SPELLE2; 1 Best/NL 2 Paris/FR Type: Scientific Exhibit
Area of Interests: Vascular, Neuroradiology brain, Interventional vascular
Imaging Techniques: Cone beam CT, CT-High Resolution, Image manipulation / Reconstruction
Procedures: Stents, Computer Applications-3D, Angioplasty
Special Focuses: Aneurysms, Arteriovenous malformations
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Aims and objectives: In this poster we present our experiences and findings in using curved multi-planar reformat (CMPR) in neurovascular interventional treatment, such as aneurysm treatment by either (stent-supported) coiling, or flow diverting stents. The CMPR visualizations were applied in the assessment of device de[...]

Methods and materials: Curved multi-planar reformat Curved multi-planar reformat (CMPR) visualization can be used to represent vascular structures without foreshortening, by fitting a curved plane through the vascular centerline, and depicting this plane on a straight surface [1,2,3]. The vessel can be visualized e[...]

Results: Illustrative cases Case 1   For vessels with a certain degree of curvature, it becomes impossible to view the entire vessel lumen in a thin traditional MPR slice, as can seen below. Also rotating along the center line is a very cumbersome task for such traditional MPR sliced views of cur[...]

Conclusion: The CMPR visualizations have been found to be easier to use than the MPR visualizations (average of 1.8 vs. 2.8 on a 5 point scale, lower is better), while also scoring better on assessment of stent apposition (average of 1.3 vs. 2.9). Overall, it can be concluded that the CMPR visualizations a[...]

Personal information: Daniel Ruijters, Fred van Nijnatten, Thijs Grünhagen Philips Healthcare, Image Guided Therapy, Veenpluis 4-6, 5680DA Best, the Netherlands mailto: danny.ruijters@philips.com   Jacques Moret, Laurent Spelle Bicêtre University hospital Paris NEURI center, Department of NRI 78, rue du Général Lecl[...]

References: [1] A. Kanitsar, D. Fleischmann, R. Wegenkittl, P. Felkel, M. E. Gröller, "CPR - Curved Planar Reformation", in Proceedings of IEEE Visualization 2002 [2] J. A. Garcia, S. Bhakta, J. Kay, K.-C. Chan, O. Wink, D. Ruijters, J. D. Carroll: "On-line multi-slice computed tomography interactive overlay [...]

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