J Korean Soc Radiol.  2010 Aug;63(2):123-130.

Endovascular Management of Isolated Iliac Artery Aneurysms: Retrospective Analysis

• Hong JH
• Jung MY
• Kim HJ
• Jang NK
• Kim JK
• Choi SJ
• Chung SY

Abstract

PURPOSE
To evaluate the early and midterm results of the endovascular treatment of patients that had an isolated iliac artery aneurysm (IIAA).
MATERIALS AND METHODS
From February 2004 to April 2009, 15 patients (9 men, 6 women) with IIAA underwent endovascular treatment such as stent graft insertion or embolization. Computed tomography angiography (CTA) was performed for the diagnosis of an aneurysm and for a follow-up after treatment. The medial records and CTAs were retrospectively reviewed for analysis of the symptoms, past history of disease, combined disease, anatomical morphology of aneurysm, and complications.
RESULTS
The mean aneurysm diameter was 36.9 mm (range: 20 mm - 80 mm). The aneurysm sites included the common iliac in 8 patients, internal iliac in 5 patients, and a combined common and internal iliac in 2 patients. Tubular stent grafts or bifurcated aorto-iliac stent grafts were used singly or mixed. The internal iliac arteries of 11 patients were embolized by microcoils or by Amplatz vascular plugs or by both methods. The technical success achieved for embolization was 93.3% (n=14). The mean follow-up period was 125.5 days (range: 7 - 701 days). The stent graft patency rate was 100%. On follow- up CTA, 1 patient experienced a type I endoleak, whereas 1 patient experienced a type II endoleak.
CONCLUSION
The endovascular treatment of IIAA shows positive early and mid-term results. The procedure is a safe, minimally invasive, and has a low complication rate.

MeSH Terms

Aneurysm
Angiography
Endoleak
Follow-Up Studies
Humans
Iliac Aneurysm
Iliac Artery
Male
Retrospective Studies
Stents
Transplants

Figure

• 

  Fig. 1 A 74-year-old male patient with both common iliac arterial aneurysms. A. Angiographic image shows two aneurysms involving both common iliac arteries. The other aneurismal sac is noted at left internal iliac artery. B. Left internal iliac artery is embolized by microcoils. C. Right internal iliac artery is embolized by Amplatz vascular plug. D. Completion angiogram after bifurcated aorto-iliac stent deployment shows no endoleaks.

• 

  Fig. 2 A 52-year-old male patient with right internal iliac arterial aneurysm. A. Angiographic image shows an aneurysm involving right internal iliac artery. B. Selective catheterization of right internal iliac artery is done. C. Right internal iliac artery is embolized by Amplatz vascular plug. D. Deployment of tubular stent graft is performed at right common iliac artery. Completion angiogram shows no endoleaks.

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