OCT assessment of aortic wall degradation for surgical guidance
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AuthorReal Peña, Eusebio; Val Bernal, José Fernando; Pontón Cortina, Alejandro; Calvo Díez, Marta; Mayorga Fernández, Marta; Revuelta Soba, José Manuel; López Higuera, José Miguel; Conde Portilla, Olga María
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.