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Related Experiment Video

Updated: Jun 23, 2026

Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg
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Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg

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The upside-down zenith stent graft limb.

Jade S Hiramoto1, Linda M Reilly, Darren B Schneider

  • 1Department of Surgery, Division of Vascular Surgery, University of California, San Francisco, San Francisco, CA 94143-0222, USA. hiramotoj@surgery.ucsf.edu

Vascular
|May 12, 2009
PubMed
Summary

A novel technique allows for the endovascular repair of common iliac artery aneurysms using a modified Zenith stent graft. This method adapts standard abdominal aortic aneurysm devices for tapered iliac applications, but requires caution.

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Area of Science:

  • Vascular Surgery
  • Medical Device Engineering
  • Endovascular Interventions

Background:

  • Commercially available stent grafts lack tapered configurations for common iliac artery aneurysm repair.
  • Existing stent grafts are not optimized for the anatomical variations of the iliac arteries.
  • Endovascular aneurysm repair (EVAR) is a preferred treatment for abdominal aortic aneurysms.

Purpose of the Study:

  • To present a technique for adapting standard Zenith stent graft limbs for common iliac artery aneurysm repair.
  • To describe the modification of a flared bell-bottom stent graft for a tapered configuration.
  • To evaluate the feasibility of using a modified stent graft in endovascular repair.

Main Methods:

  • A technique for reversing the proximal and distal orientation of a standard Zenith stent graft limb was developed.

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Last Updated: Jun 23, 2026

Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg
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  • The modified stent graft was reloaded and deployed similarly to standard Zenith stent graft limbs.
  • The procedure was performed for endovascular repair of common iliac artery aneurysms.

    • Main Results:

    • The described technique successfully adapted a standard stent graft for a tapered configuration.
    • The modified stent graft was deployed using a method comparable to standard Zenith stent graft limb deployment.
    • The study highlights the potential for adapting existing devices for specific anatomical challenges.

    Conclusions:

    • A simple technique enables the use of standard Zenith stent graft limbs for common iliac artery aneurysm repair.
    • This modification offers a potential solution where tapered stent grafts are unavailable.
    • Users must be aware of increased risks and exercise caution due to this non-standard application.