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Arteriofemoral_bypass
A 67 year-old female with rest pain and calf claudication at 20 feet with a past medical history significant for peripheral vascular disease (ankle brachial index 0.50 bilaterally), chronic obstructive pulmonary disease, nicotine abuse, and cerebral vascular occlusive disease (60% carotid stenosis) was studied. Noninvasive imaging was consistent with atherosclerotic occlusive disease of the iliac and femoral arteries bilaterally. Imaging data was acquired preoperatively to obtain geometric information (using MRA) of the aorto- iliac-femoral system. Approximately two weeks after the acquisition of the preoperative data the patient underwent an end-to-side aorto-femoral reconstruction. A Dacron bypass graft with nominal dimensions of 14 mm x 7 mm was used. Postoperative image data was acquired approximately 6 months after the operation.
Aortoiliac Occlusive Disease
Apr 04, 2006

  

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Pre-operative model

Apr 03, 2006
2 MB
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Data/images/video
Geometric model of aorto-iliac-femoral system of 67-year-old female before surgery (data in VTK format)

Apr 04, 2006
39 KB
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Image of the geometric model (aorto-iliac-femoral system of 67-year-old female patient before surgery)

Post-operative model

Apr 03, 2006
4 MB
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Geometric model of aorto-iliac-femoral system of 67 year-old female after arterio-femoral bypass surgery (data in VTK format)

Apr 04, 2006
45 KB
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Image of the geometric model (aorto-iliac-femoral system of 67-year-old female after arterio-femoral bypass surgery)

PLEASE CITE THESE PAPERS

Wilson, N. M., F. R. Arko, and C. A. Taylor "Predicting Changes in Blood Flow in Patient-Specific Operative Plans for Treating Aortoiliac Occlusive Disease," Computer Aided Surgery, 10(4), 257-277 (2005)

Wilson, N. M. (2002) Geometric Algorithms and Software Architecture for Computational Prototyping: Applications in Vascular Surgery and MEMS, Ph.D. Thesis, Stanford University. (2002)


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Bypass
This model of a stenosis with a bypass is created from in-vitro MRI.
Bypass model
Apr 04, 2006

  

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Apr 04, 2006
53 KB
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Image of the geometric model (artery with a stenosis and bypass, based on an in vitro experiment)

Apr 03, 2006
2 MB
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Data/images/video
Geometric model of an artery with a stenosis and bypass, based on an in vitro experiment (data in VTK format)

PLEASE CITE THESE PAPERS

Ku, J. P. (2003) Numerical and experimental investigations of blood flow with application to vascular bypass surgeries. Ph.D. Thesis, Stanford University. (2003)


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Healthy3
Model of the sub-thoracic aorta including the iliacs from a healthy volunteer.
Healthy #3
Apr 04, 2006

  

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Apr 04, 2006
41 KB
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Data/images/video
Image of the geometric model (sub-thoracic aorta including the iliacs from a healthy volunteer)

Apr 03, 2006
2 MB
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Data/images/video
Geometric model of the sub-thoracic aorta including the iliacs from a healthy volunteer (data in VTK format)

PLEASE CITE THESE PAPERS

Vignon-Clementel, I.E., C.A. Figueroa, K.E. Jansen, and C.A. Taylor "Outflow boundary conditions for three-dimensional finite element modeling of blood flow and pressure in arteries," Comp. Methods Appl. Mech. Engrg., 195(29-32), 3776-3796. (2006)


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Palmaz-stent
The geometry of this stent is built using standard dimensions available in literature. The geometry is similar to a five-ring Palmaz-Schatz stent. The expanded geometry is taken from a pressure-driven expansion using a large-displacement, large-strain, elasto-plastic analysis using ABAQUS.
Palmaz Stent
Apr 04, 2006

  

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Original stent

Apr 03, 2006
189 KB
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Data/images/video
Geometric model similar to a five-ring Palmaz-Schatz stent, based on standard dimensions in the literature (data in VTK format)

Apr 04, 2006
109 KB
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Data/images/video
Image of the geometric model (stent similar to a five-ring Palmaz-Schatz stent, based on standard dimensions in the literature)

Expanded stent

Apr 03, 2006
849 KB
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Data/images/video
Geometric model of a pressure-driven expanded version of the stent (data in VTK format)

Apr 04, 2006
166 KB
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Data/images/video
Image of the geometric model (pressure-driven expanded version of the stent)

PLEASE CITE THESE PAPERS

Peter H. Feenstra "Peter H. Feenstra of the Cardiovascular Biomechanics Research Laboratory at Stanford University is acknowledged for providing the geometry of the Palmaz-Schatz-like stent" (2006)


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Patient1
A 67 year-old male with bilateral aneurysms of the common iliac arteries. Note the tortoisity of the iliac arteries and the four renal arteries.
Patient #1
Apr 04, 2006

  

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Apr 03, 2006
3 MB
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Data/images/video
Geometric model of a 67-year-old male with bilateral aneurysms of the common iliac arteries and 4 renal arteries (data in VTK format)

Apr 04, 2006
56 KB
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Data/images/video
Image of the geometric model (67-year-old male with bilateral aneurysms of the common iliac arteries and 4 renal arteries)

PLEASE CITE THESE PAPERS

Wang, K. X.-Y.. (2001) Level Set Methods for Computational Prototyping with Application to Hemodynamic Modeling. Ph.D. Thesis, Stanford University. (2001)


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Virtual Aorta 1
This model is constructed using two different datasets from two different subjects; one dataset of the thoracic aorta and one dataset of the the abdominal aorta including some parts of the iliacs. The solid models from the two datasets are scaled and modified to obtain a reasonably accurate solid model of the full aorta.
Virtual Aorta 1
May 09, 2007

  

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May 09, 2007
1 MB
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Data/images/video
Geometric model of the entire aorta, from the aortic arch down to and including parts of the iliacs (data in VTK format)

May 09, 2007
39 KB
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Data/images/video
Image of the geometric model (the entire aorta, from the aortic arch down to and including parts of the iliacs)

PLEASE CITE THESE PAPERS

Please cite this web site and the Simbios project. (2007)


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