Numerical study of hemodynamics and wall mechanics in distal end-to-side anastomoses of bypass grafts

Journal of Biomechanics

Volumn 35, Issue 2, 2002, Pages 225-236

  Leuprecht, Armin ^a   Perktold, Karl ^a   Prosi, Martin ^a   Berk, Thomas ^a   Trubel, Wolfgang ^b   Schima, Heinrich ^b  

^a GRAZ UNIVERSITY OF TECHNOLOGY   (Austria)

^b UNIVERSITY OF VIENNA   (Austria)

Author keywords

Bypass anastomosis; Compliance mismatch; Fluid dynamics; Intimal hyperplasia; Numerical study; Vessel wall mechanics

Indexed keywords

DISEASES; FINITE ELEMENT METHOD; GRAFTS; HEMODYNAMICS; NAVIER STOKES EQUATIONS; NEWTONIAN LIQUIDS; PROSTHETICS; SURGERY;

VASCULAR RECONSTRUCTIONS;

BIOMECHANICS;

ANIMAL EXPERIMENT; ARTERY INTIMA PROLIFERATION; ARTICLE; BLOOD FLOW; BLOOD VESSEL COMPLIANCE; BYPASS SURGERY; END TO SIDE ANASTOMOSIS; ENERGY; HEMODYNAMICS; MATHEMATICAL MODEL; NONHUMAN; PRIORITY JOURNAL; SHEAR STRESS; SHEEP; VISCOSITY;

ANASTOMOSIS, SURGICAL; ANIMALS; BIOMECHANICS; BLOOD FLOW VELOCITY; BLOOD VESSEL PROSTHESIS; COMPLIANCE; CORONARY ARTERY BYPASS; CORONARY CIRCULATION; CORONARY VESSELS; FINITE ELEMENT ANALYSIS; HEART; HEMODYNAMIC PROCESSES; HYPERPLASIA; MODELS, CARDIOVASCULAR; POLYTETRAFLUOROETHYLENE; SHEEP; STRESS, MECHANICAL; TUNICA INTIMA;

EID: 0036138584     PISSN: 00219290     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0021-9290(01)00194-4     Document Type: Article

References (38)

1. Compliance mismatch may promote graft-artery intimal hyperplasia by altering suture-line stresses
2. Anastomotic intimal hyperplasia: mechanical injury or flow induced
3. Linton patch angioplasty: an adjunct to distal bypass with polytetrafluoroethylene grafts
4. Non-planar geometry and non-planar type flow at sites of arterial curvature and branching implications for arterial biology and disease
5. Numerical solution of the Navier Stokes equations
6. Numerical simulation of flow in a model 3-D end-to-side anastomoses
7. Exercise flow conditions eliminate stasis at vascular graft anastomoses
8. Vorkonditionierter konjugierter Gradienten Algorithmus für große schlecht konditionierte unsymmetrische Gleichungssysteme
9. Numerical study of wall mechanics and fluid dynamics in end-to-side anastomosis and correlation to intimal hyperplasia
10. Lagrangian-Eulerian finite element formulation in incompressible viscous flows
11. Pulsatile flow in an aorto-coronary bypass 3-D model
12. Hemodynamic effects of angle and flow rate within distal vascular graft anastomoses
13. Vein interposition cuffs decrease the intimal hyperplastic response of polytetrafluorethylene bypass grafts
14. Arterial and venous repair with vascular clips: Comparison with suture closure
15. Downstream anastomotic hyperplasia: a mechanism for failure in Dacron arterial grafts
16. Interposition vein cuff for anastomosis of prosthesis to small artery
17. Effect of wall stress on intimal thickening of arterially transplanted veins in dogs
18. Blood flow in distal end-to-side anastomoses with PTFE and a venous patch: results of an in-vitro flow visualization study
19. Mathematical modelling of flow effects and transport processes in arterial bifurcation models
20. Pulsatile non-Newtonian flow characteristics in a three-dimensional human carotid artery bifurcation model
21. Flow dynamic effect of the anastomotic angle: a numerical study of pulsatile flow in vascular graft anastomoses models
22. The interaction of geometry and local flow phenomena in compliant end-to-side anastomoses models
23. Computer simulation of vascular fluid dynamics and mass transport: optimum design of arterial bypass anastomoses
24. Validated computation of physiologic flow in a realistic coronary artery branch
25. Numerical analysis of intramural stresses and blood flow in arterial bifurcation models
26. Investigation of the flow velocity pattern in distal end-to-side anastomoses and the correlation to intimal hyperplasia
27. Distal anastomotic intimal hyperplasia: histological character and biogenesis
28. Numerical modelling of flow in a distensible end-to-side anastomosis
29. A numerical simulation of flow in a two-dimensional end-to-side anastomosis model
30. Improved technique for polytetrafluoroethylene bypass grafting: long-term results using anastomotic vein patches
31. Compliance and formation of distal anastomotic intimal hyperplasia in dacron mesh tube constricted veins used as arterial bypass grafts
32. Compliance mismatch and formation of distal anastomotic intimal hyperplasia in externally stiffened and lumen-adapted venous grafts
33. Hemodynamic patterns in two models of end-to-side vascular bypass anastomoses: Effects of pulsatility, flow division, Reynolds number and hood length
34. The viscoelasticity of blood and plasma in pig, horse, dog, ox and sheep