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Abstract

Purpose:

To assess the feasibility and midterm outcomes of iliac branch devices (IBD) for the treatment of aneurysmal distal seal zones after endovascular aneurysm repair (EVAR).

Methods:

Between January 2005 and January 2014, 188 patients with aortic aneurysms involving the iliac bifurcation underwent IBD implantation; of these, 18 consecutive patients (17 men; mean age 70±10 years) were treated for aneurysmal degeneration of 22 distal seal zones (mean 36±6-mm diameter) after EVAR. The main outcome measure was technical success. Further outcomes were primary and assisted primary patency of the internal iliac branch, types Ib/III endoleaks, reintervention, and all-cause mortality.

Results:

The technical success rate was 100%. The primary patency rate was 100% over a median follow-up of 15 months (interquartile range 4-25). None of the patients developed type Ib or III endoleak. During surveillance, two device-related reinterventions were performed (thrombectomy of an occluded external iliac artery and angioplasty with stenting of a stenotic common iliac artery). One patient died due to metastatic prostate cancer.

Conclusion:

Iliac side branch endografting showed excellent feasibility and encouraging midterm outcomes for the challenging endovascular repair of aneurysmal distal seal zones post EVAR.

Keywords

endovascular aneurysm repair iliac branch device distal seal zone common iliac artery aneurysm aneurysmal dilatation

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Use of Iliac Branch Devices for Endovascular Repair of Aneurysmal Distal Seal Zones after EVAR

Abstract

Purpose:

Methods:

Results:

Conclusion:

Keywords

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References