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Total Viabahn endoprosthesis collapse

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Presentation on theme: "Total Viabahn endoprosthesis collapse"— Presentation transcript:

1 Total Viabahn endoprosthesis collapse
Mark E. Ranson, MD, Mark A. Adelman, MD, Neal S. Cayne, MD, Thomas S. Maldonado, MD, Bart E. Muhs, MD, PhD  Journal of Vascular Surgery  Volume 47, Issue 2, Pages (February 2008) DOI: /j.jvs Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

2 Fig 1 The preoperative computed tomography angiography used for planning and sizing is shown. A, The proximal landing zone in the superficial femoral artery measured 11 mm in diameter. B, The maximum diameter of the popliteal aneurysm was 24 mm with intraluminal thrombus. C, D, The diameter of the distal popliteal landing zone measured 9 mm. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

3 Fig 2 A, Intraoperative angiography after stent graft deployment revealed complete cessation of flow when the knee was bent at 90°. B, A filling defect consistent with graft infolding was noted when the leg was straight. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

4 Fig 3 The distal popliteal artery was transected when performing the femoral below knee popliteal bypass. A Viabahn (W. L. Gore & Associates, Flagstaff, Ariz) stent is observed, completely infolded (arrow). The gross pathology suggests inappropriate oversizing in this segment. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

5 Fig 4 A and B, A postoperative computed tomography angiography demonstrated a patent bypass (small arrow), but in situ stent graft infolding (large arrow) had occurred at several anatomic levels. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2008 The Society for Vascular Surgery Terms and Conditions

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