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TECHNICAL PAPERS: Fluids/Heat/Transport

Particle-Hemodynamics Simulations and Design Options for Surgical Reconstruction of Diseased Carotid Artery Bifurcations

[+] Author and Article Information
S. Hyun

Department of Biomedical Engineering, Mercer University, Macon, GA 31207, USA

C. Kleinstreuer, P. W. Longest, C. Chen

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695-7910, USA

J Biomech Eng 126(2), 188-195 (May 04, 2004) (8 pages) doi:10.1115/1.1688777 History: Received December 29, 2002; Revised October 06, 2003; Online May 04, 2004
Copyright © 2004 by ASME
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References

Figures

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Flow chart of physico-biological events and methodology for virtual prototyping (Hyun et al., 2001)
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Geometric variations of the external carotid artery: (a) base case carotid artery bifurcation; (b) partially stenosed external carotid; (c) distal external carotid occlusion; and (d) stump external carotid occlusion
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Schematics of velocity and vorticity distributions and vortex formation in a circular tube with steady fully developed flow
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Unit velocity vector fields at decelerating diastole (Fig. 2) for the base case geometry: (a) mid-plane velocity vectors; (b) cross-section A-A in common carotid; (c) cross-section B-B in internal carotid; and (d) cross-section B-B in external carotid
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Unit velocity vector fields at decelerating diastole (Fig. 2) for the partially stenosed external carotid geometry: (a) mid-plane velocity vectors; (b) cross-section A-A in common carotid; (c) cross-section B-B in internal carotid; and (d) cross-section B-B in external carotid
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Hemodynamic wall parameters with intimal thickening (cf. Masawa et al., 1994b) for the base case geometry: (a) time-averaged WSSAG contours; (b) OSI contours; (c) NWRT contours; and (d) HAD contours
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Hemodynamic wall parameters for the 75% stenosed external carotid geometry: (a) time-averaged WSSAG contours; (b) OSI contours; (c) NWRT comours; and (d) HAD contours
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Hemodynamic wall parameters for the distally occluded external carotid geometry: (a) time-averaged WSSAG contours; (b) OSI contours; (c) NWRT contours; and (d) HAD contours
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Hemodynamic wall parameters for the stump external carotid geometry: (a) time-averaged WSSAG contours; (b) OSI contours; (c) NWRT contours; and (d) HAD contours
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Hemodynamic wall parameters for the near-optimal carotid geometry: (a) time-averaged WSSAG contours; (b) OSI contours; (c) NWRT contours; and (d) HAD contours
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Severity parameter (SPˆ) for different CAB geometries

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