The localization of a stent in both iliac (CIA and EIA) arteries and poor runoff significantly reduce the primary stent patency. Patients with stents >61mm have a higher risk of stent thrombosis or in-stent restenosis development.
The rate of endovascular interventions for iliac occlusive lesions is continuously growing. The evolution of the technology supporting these therapeutic measures improves the results of these interventions. We performed a review of the literature to report and appreciate short-and long-term results of endovascular stenting of iliac artery occlusive lesions. The Medline database was searched to identify all the studies reporting iliac artery stenting for aortoiliac occlusive disease (Trans Atlantic Inter-Society Consensus [TASC] type A, B, C, and D) from January 2006 to July 2012. The outcomes were technical success, long-term primary and secondary patency rates, early mortality, and complications. Technical success was achieved in 91% to 99% of patients as reported in all the analyzed articles. Early mortality was described in 5 studies and ranged from 0.7% to 3.6%. The most common complications were access site hematomas, distal embolization, pseudoaneurysms, and iliac artery ruptures. The complications were most often treated conservatively or using percutaneous techniques. The 5-year primary and secondary patency rates ranged from 63% to 88% and 86% to 93%, respectively; and the 10-year primary patency rates ranged from 68% to 83%. In this article, combined percutaneous endovascular iliac stenting and infrainguinal surgical reconstructions and new techniques in the treatment of iliac stent restenosis are discussed. Iliac stenting is a feasible, safe, and effective method for the treatment of iliac occlusive disease. Initial technical and clinical success rates are high; early mortality and complication rates are low. Longterm patency is comparable with that after bypass surgery.
IntroductionThe priority use of endovascular techniques in the management of aortoiliac occlusive disease has increased in the last decade. The aim of the present article is to report 1- and 2-year results of iliac artery stenting (IAS) and aortoiliac grafting in the management of patients with TASC II type B, C and D iliac lesions and chronic limb ischaemia.Material and methodsIn this prospective, non-randomised, one-centre clinical study, iliac artery stents and vascular grafts used for the treatment of patients with symptomatic lesions in the iliac artery were evaluated. This study enrolled 2 groups: 54 patients in the stent group and 47 patient in the surgery group.ResultsThe primary patency rates at 1 and 2 years were 83% and 79.9% after IAS and 97.1% and 97.1% after surgical reconstruction, respectively (p = 0.015). The assisted primary stent patency at 1 and 2 years was 87.9% and 78.2%, respectively. The complication rate was 7.4% in the stent group and 6.3% in the surgery group. There was no perioperative mortality in either group.ConclusionsOur results reveal that patients with severe aortoiliac occlusive disease (TASC II types B, C and D) can be treated with IAS or surgically with satisfactory results. Iliac artery stenting is associated with decreased primary patency compared with the surgery group. Iliac artery stenting should be considered with priority in elderly patients or in patients with severe comorbidities.
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