Visualization of plaque distribution in a curved artery: three-dimensional intravascular ultrasound imaging. (31st October 2017)

• Record Type: Journal Article
• Authors: Choi, Ahnryul; McPherson, David D.; Kim, Hyunggun
• Is Part Of: Computer assisted surgery. Volume 22(2017)Supplement 1
• Page Start: 120
• Page End: 126
• Publication Date: 2017-10-31
• Subjects: Curved artery -- intravascular ultrasound -- image reconstruction -- three-dimensional; Computer-assisted surgery -- Periodicals
• DOI: 10.1080/24699322.2017.1389389
• Languages: English
• ISSNs: 2469-9322

Abstract

Abstract: Intravascular ultrasound (IVUS) imaging provides an excellent tool for evaluation of the type, morphology, extent, and severity of an atheromatous plaque. 3 D IVUS imaging offers additive information pertaining to morphology of the arterial structures and volumetric plaque distributions. A new 3 D IVUS visualization technique was developed to provide 3 D structural information of a curved artery. A virtual 3 D curved arterial phantom consisting of varying cross-sectional shapes, wall thicknesses, and acoustic intensity information was utilized to validate the nonlinear interpolation technique to create intermediary 2 D IVUS images. IVUS imaging was performed for the iliofemoral arterial segment of an atherosclerotic Yucatan miniswine model. These in-vivo IVUS data were utilized for intermediary IVUS image generation and volumetric 3 D IVUS visualization. Smooth transitional changes of cross-sectional shape, wall thickness and grayscale intensity were found between the intermediary images and the original arterial phantom slices. The 3 D IVUS imaging of the unfolded curved iliofemoral artery provided realistic 3 D luminal surface images of the arteries with physiologic grayscale intensity information. This unique 3 D IVUS imaging technique may help with assessment of 3 D plaque distribution across the curved arterial structure, and improve 3 D visualization of atheromatous components.