Novel Approach to a Giant External Iliac Vein Aneurysm Secondary to Posttraumatic Femoral Arteriovenous Fistula

Abstract

We describe a case of a 55-year-old male with a remote history of a gunshot wound to the left thigh who presented with a 1-year history of worsening high-output congestive heart failure, left lower extremity edema, and left lower abdominal discomfort. Diagnostic evaluation included a computed tomographic angiography (CTA) that demonstrated a fistulous communication between the left superficial femoral artery (SFA) and vein (SFV) as well as a 7.2-cm external iliac vein aneurysm. Given his symptomatology, an endovascular repair of his AVF was recommended, followed by antithrombotic therapy for his aneurysm. Three-month postoperative CTA confirmed AVF exclusion as well as a significant decrease in maximal diameter of the left external iliac vein aneurysm now measuring 24 mm. This case is the first reported successful mid-term repair of a iliac venous aneurysm in the setting of a traumatic arteriovenous fistula using an endovascular approach.

Keywords

iliac venous aneurysms traumatic arteriovenous fistula endovascular covered stent anticoagulation

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