Endografting of the abdominal aorta and iliac arteries for occlusive disease

J Karwowski1, C K Zarins

  • 1Division of Vascular Surgery, Stanford University Medical Center, Stanford, CA 94305-5642, USA.

Insights

Endovascular repair using aorto-iliac endografts shows promise for extensive aorto-iliac occlusive disease. Further trials are needed to confirm long-term effectiveness compared to traditional angioplasty and stenting.

Area of Science:

  • Vascular Surgery
  • Endovascular Interventions
  • Atherosclerosis Treatment

Background:

  • Short segment obstructions in aorto-iliac occlusive disease are effectively treated with angioplasty and stenting.
  • Long-segment, diffuse, or calcific disease often requires surgical bypass, but many patients are high-risk surgical candidates.
  • Aorto-iliac endografts are established for aneurysmal disease and are being explored for occlusive conditions.

Purpose of the Study:

  • To evaluate the potential of endografting for extensive, end-stage aorto-iliac occlusive disease.
  • To improve short and long-term outcomes of endovascular treatment in complex cases.
  • To assess the emerging role of endografts in treating challenging aorto-iliac atherosclerosis.

Main Methods:

  • Review of early experiences and existing literature on aorto-iliac endografting for occlusive disease.
  • Comparison of endografting outcomes with traditional surgical bypass and angioplasty/stenting.
  • Identification of the need for prospective clinical trials to validate efficacy.

Main Results:

  • Early results with endografts for aorto-iliac occlusive disease are encouraging.
  • Current evidence does not yet demonstrate superior long-term patency compared to angioplasty and stenting.
  • Endografting offers a less invasive option for high-risk patients unsuitable for open surgery.

Conclusions:

  • Aorto-iliac endografts represent a promising endovascular approach for complex aorto-iliac occlusive disease.
  • Further prospective clinical trials are essential to establish the definitive role and long-term efficacy of endografts in this patient population.
  • Endografting may expand endovascular treatment options for patients with extensive atherosclerosis who are poor surgical candidates.