Computational fluid dynamics within bifurcated abdominal aortic stent-grafts

Journal of Endovascular Therapy

Volumn 14, Issue 2, 2007, Pages 138-143

  Howell, Benjamin A ^a   Kim, Tom ^a   Cheer, Angela ^a   Dwyer, Harry ^a   Saloner, David ^a   Chuter, Timothy A M ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Abdominal aortic; Hemodynamics; Sac pressure; Shear forces; Stent graft

Indexed keywords

ABDOMINAL AORTA; AORTA BIFURCATION; ARTERIAL PRESSURE; ARTERY DILATATION; ARTICLE; COMPUTER ASSISTED TOMOGRAPHY; ENDOLEAK; ENDOVASCULAR SURGERY; HEART CYCLE; PRIORITY JOURNAL; SPATIAL DISCRIMINATION; STENT;

AORTA, ABDOMINAL; AORTIC ANEURYSM, ABDOMINAL; BLOOD PRESSURE; BLOOD VESSEL PROSTHESIS; BLOOD VESSEL PROSTHESIS IMPLANTATION; COMPUTER SIMULATION; HUMANS; IMAGING, THREE-DIMENSIONAL; MODELS, CARDIOVASCULAR; PROSTHESIS DESIGN; PULSATILE FLOW; STENTS; STRESS, MECHANICAL; TIME FACTORS; TOMOGRAPHY, X-RAY COMPUTED;

EID: 34248645707     PISSN: 15266028     EISSN: None     Source Type: Journal    
DOI: 10.1583/1545-1550(2007)14[138:CFDWBA]2.0.CO;2     Document Type: Article

References (17)

1. Sternbergh WC, Nordness PJ, York JW, et al. Endo-exuberance to endo-reality: trends in the management of 431 AAA repairs between 1996 and 2002. J Endovasc Ther. 2003;10:418-423.
2. Beebe HG, Cronenwett JL, Katzen BT, et al. Results of an aortic endograft trial: impact of device failure beyond 12 months. J Vasc Surg. 2001;33:S55-63.
3. Harris PL, Buth J. An update on the important findings from the EUROSTAR EVAR registry. Vascular. 2004;12:33-38.
4. Liffman K, Lawrence-Brown MM, Semmens JB, et al. Analytical modeling and numerical simulation of forces in an endoluminal graft. J Endovasc Ther. 2001;8:358-371.
5. Morris L, Delassus P, Walsh M, et al. A mathematical model to predict the in vivo pulsatile drag forces acting on bifurcated stent grafts used in endovascular treatment of abdominal aortic aneurysms (AAA). J Biomech. 2004;37:1087-1095.
6. Walsh PW, Chin Quee SC, Moore JE. Flow changes in the aorta associated with the deployment of a AAA stent graft. Med Eng Phys. 2003;25:299-307.
7. Morris L, Delassus P, Grace P, et al. Effects of flat, parabolic and realistic steady flow inlet profiles on idealised and realistic stent graft fits through abdominal aortic aneurysms (AAA). Med Eng Phys. 2006;28:19-26.
8. Li Z, Kleinstreuer C. Computational analysis of type II endoleaks in a stented abdominal aortic aneurysm model. J Biomech. 2006;39:2573-2582.
9. Mohan IV, Harris PL, van Marrewijk CJ, et al. Factors and forces influencing stent-graft migration after endovascular aortic aneurysm repair. J Endovasc Ther. 2002;9:748-755.
10. Kim T, Dwyer HA, Cheer AY. A simulated dye method for flow visualization with a computational model for blood flow. J Biomech. 2004;37:1125-1136.
11. Shahcheraghi N, Dwyer HA, Cheer AY, et al. Unsteady and three-dimensional simulation of blood flow in the human aortic arch. J Biomech Eng. 2002;124:378-387.
12. Howell B, Hughes-Lopes MA, Saloner D, et al. Pulsatile movement of the Zenith Aortic Stent-Graft. Presented at the World Congress of Biomechanics. Munich, Germany; July 2006.
13. Dias NV, Ivancev K, Malina M, et al. Intraaneurysm sac pressure measurements after endovascular aneurysm repair: differences between shrinking, unchanged, and expanding aneurysms with and without endoleaks. J Vasc Surg. 2004;39:1229-1235.
14. Malina M, Lindblad B, Ivancev K, et al. Endovascular AAA exclusion: will stents with hooks and barbs prevent stent-graft migration? J Endovasc Surg. 1998;5:310-317.
15. Sternbergh WC, Money SR, Greenberg RK, et al. Influence of endograft oversizing on device migration, endoleak, aneurysm shrinkage, and aortic neck dilation: results from the Zenith Multicenter Trial. J Vasc Surg. 2004;39:20-26.
16. Volodos SM, Sayers RD, Gostelow JP, et al. Factors affecting the displacement force exerted on a stent graft after AAA repair - an in vitro study. Eur J Vasc Endovasc Surg. 2003;26:596-601.
17. Cho JS, Dillavou ED, Rhee RY, et al. Late abdominal aortic aneurysm enlargement after endovascular repair with the Excluder device. J Vasc Surg. 2004;39:1236-1242.