Options for the treatment of abdominal and thoracic aortic aneurysms are in a state of evolutionary change. The development and continued refinement of the endoluminal approaches has decreased the need for open aortic aneurysm surgery. Endovascular stent graft technology is an area of active research in which both the delivery systems and the endografts are undergoing continued improvement so that patients with what was previously thought to be unfavorable anatomy may be treated by these means. The design and deployment techniques of the currently available endografts, as well as those in clinical trials, are presented.
Ancure endograft (Guidant, Menlo Park, Calif).
AneuRx endograft (Medtronic AVE, Santa Rosa, Calif).
Implanted tube endograft.
Implanted unibody bifurcated endografts.
Aortomonoiliac endograft in place, femorofemoral bypass, and contralateral iliac occlusion.
Implanted modular endografts.
Thoracic Excluder endograft (W. L. Gore & Associates, Flagstaff, Ariz) (A); constrained on the delivery catheter (B); and deploying from the middle (C); an angiogram (D); and a schematic representation of the in vivo device (E); ePTFE indicates expanded polytetrafluoroethylene.
Thoracic Talent endograft (Medtronic Inc, Sunrise, Fla) (A); the device constrained within the delivery catheter (B); and in vivo (C).
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