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Published on: November 21, 2019
Percutaneous arterial aortoiliac intervention
F G St Goar1, J D Joye, J R Laird
1Cardiovascular Institute, El Camino Hospital, 2660 Grant Road, Mountain View, CA 94040, USA.
Insights
Endovascular stenting and balloon angioplasty offer a lower-risk alternative to traditional vascular surgery for aortoiliac disease. These evolving endovascular interventions are becoming preferable due to lower complication rates and acceptable outcomes.
Area of Science:
- Vascular Surgery
- Endovascular Interventions
- Aortoiliac Disease Treatment
Background:
- Reconstructive vascular surgery, specifically aortobifemoral bypass, has been a primary treatment for obliterative aortoiliac disease.
- Surgical interventions yield 5-year patency rates of 85-90% and 10-year rates of 70-75%, with operative mortality of 1.6-3.3% and systemic morbidity of 8.3%.
- Traditional indications are limited to severe claudication and limb-threatening ischemia due to significant procedural risks.
Purpose of the Study:
- To evaluate the evolving role of endovascular techniques in treating aortoiliac disease.
- To compare the risks and benefits of percutaneous interventions versus traditional surgical reconstruction.
- To explore expanded indications for endovascular treatment of aortoiliac occlusive disease.
Main Methods:
- Review of outcomes for balloon angioplasty and endovascular stenting in aortoiliac disease.
- Comparison of percutaneous intervention data with historical surgical outcomes.
- Analysis of evolving technologies and limited randomized studies in endovascular aortoiliac interventions.
Main Results:
- Endovascular stenting and balloon angioplasty are effective modalities for aortoiliac disease, offering lower risk compared to surgery.
- These less invasive procedures allow for broader indications beyond severe ischemia.
- Predictable outcomes and acceptable secondary patency rates support the preference for percutaneous interventions.
Conclusions:
- Endovascular interventions are increasingly preferred over traditional surgery for aortoiliac disease due to lower complication rates.
- Evolving endovascular technologies are expanding treatment options and improving outcomes.
- Percutaneous approaches offer a safer alternative when outcomes are predictable and secondary patency is acceptable.
Abstract:
Historically reconstructive vascular surgery, has been a cornerstone of treatment for symptomatic obliterative aortoiliac disease. Surgical results include a reported aortobifemoral bypass 5-year patency rate from 85% to 90% and a 10-year patency rate of 70% to 75%. Operative mortality for aortoiliac reconstruction ranges from 1.6% to 3.3%, with an aggregated systemic morbidity of 8.3%. Clinical indications for surgical intervention are well-established and are limited primarily to severe claudication and limb-threatening ischemia. Broader application of surgical intervention is not recommended because of significant morbidity and mortality associated with the procedure. As balloon angioplasty and endovascular stenting technologies evolve, they are proving to be an effective modality for the treatment of aortoiliac disease. These lower risk procedures have allowed expansion of traditional indications for intervention. Treatment is recommended presently for patients with clinical symptoms that impact lifestyle and professional requirements. Less conventional indications include allowing access for coronary intervention or for placement of an intra-aortic balloon pump, or improving inflow prior to a distal surgical bypass procedure. Results of aortoiliac percutaneous interventions are difficult to compare with surgical data since methods and technology continue to improve and evolve, and randomized studies are limited. It is clear that as long as outcomes of percutaneous interventions are predictable and secondary patency rates acceptable, the low complication rates of a percutaneous intervention are clearly preferable to a riskier surgical alternative.
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