Abstract 12986: Internal Iliac Artery Occlusion With the Amplatzer Vascular Plug During Endovascular Repair of Large Abdominal Aortic Aneurysm
Circulation(2022)
Abstract
Background: Retrograde blood flow from the internal iliac artery resulting in a type II endoleak is a challenging complication of endovascular aorto-iliac aneurysm repair. Several methods have been developed to address this concern. We present a case where the Amplatzer vascular plug was used to embolize the internal iliac artery in a patient undergoing aorto-iliac stent-grafting with extension of the graft into the external iliac artery. Case: A 67-year-old male presented with abdominal pain. Abdominal contrast computed tomography confirmed a large infrarenal abdominal aortic aneurysm (AAA) measuring 100 mm across, extending into the common iliac artery on the right and the external iliac artery on the left, with perianeurysmal fat stranding indicating impending rupture. The patient was taken emergently to the operating room. Vascular access was obtained through bilateral common femoral arteries. The left internal iliac was occluded with an Amplatzer 16 mm by 12 mm vascular plug, with excellent angiographic apposition. A bifurcated aorto-iliac graft was then sequentially deployed to repair the aneurysm. Final angiography showed patent renal arteries with no endoleak. The patient was discharged home the following day. Discussion: Embolization of the internal iliac artery is indicated in endovascular aorto-iliac aneurysm repair to prevent endoleak formation. Traditionally performed with coils, the Amplatzer vascular plug has emerged as a safe and effective alternative, with the added advantage of recoverability prior to definitive release. Conclusion: Endovascular repair of an AAA must consider the complication of endoleak formation. In this case, the use of an Amplatzer vascular plug was successful in preventing a type II endoleak from the internal iliac artery. Panel A. 3D reconstruction of aneurysm anatomy; Panel B. Angiogram showing final result of endovascular repair with successful occlusion of the left internal iliac artery
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Key words
internal iliac artery occlusion,amplatzer vascular plug,endovascular repair
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