OCT assessment of aortic wall degradation for surgical guidance

E. Real; J. F. Val-Bernal; A. Pontón; M. Calvo Díez; M. Mayorga; J. M. Revuelta; J. M. López-Higuera; O. M. Conde

doi:10.1117/12.2059818

2 June 2014 OCT assessment of aortic wall degradation for surgical guidance

E. Real, J. F. Val-Bernal, A. Pontón, M. Calvo Díez, M. Mayorga, J. M. Revuelta, J. M. López-Higuera, O. M. Conde

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91575H (2014) https://doi.org/10.1117/12.2059818
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

The degradation of the wall in large cardiovascular vessels, such as the aorta artery, induces weakness in the vessel that can lead to the formation of aneurysms and the rupture of the vessel. Characterization of the wall integrity is assessed by OCT for future intraoperative assistance in aneurysm graft surgery interventions. Optical Coherence Tomography (OCT) provides cross sectional images of the wall of the aortic media layer. Wall degradations appear as spatial anomalies in the reflectivity profile through the wall thickness. Wall degradation assessment is proposed by automatic identification and dimensioning of these anomalies within the homogeneous surrounding tissue.

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E. Real, J. F. Val-Bernal, A. Pontón, M. Calvo Díez, M. Mayorga, J. M. Revuelta, J. M. López-Higuera, and O. M. Conde "OCT assessment of aortic wall degradation for surgical guidance", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91575H (2 June 2014); https://doi.org/10.1117/12.2059818

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KEYWORDS

Optical coherence tomography

Tissues

Arteries

Image segmentation

Reflectivity

Image processing algorithms and systems

Surgery

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