Inferior Mesenteric Artery Aneurysm Associated with Severe Stenosis of the Superior Mesenteric Artery and Celiac Artery Occlusion Treated with the VIABAHN Stent-graft

Abstract

Inferior mesenteric artery aneurysm (IMAA) is the rarest among visceral artery aneurysms with a relatively high risk of life-threatening rupture. We report the case of a 72-year-old female presenting with asymptomatic IMAA measuring 25 mm in diameter, associated with occlusion of the celiac artery and severe stenosis of the superior mesenteric artery, who underwent endovascular treatment. Since the splanchnic circulation was dependent on the IMA flow, revascularization of the SMA, in addition to exclusion of the IMAA was required in order to prevent jet disorder phenomenon and mesenteric ischemia. Thus, the patient was treated by placing a bare metal stent in the ostium of the SMA and VIABAHN stent-grafts in the IMA. Post-operative course was uneventful, and the patient was discharged from the hospital on post-operative day nine. Patient is doing well 3 years post intervention without restenosis of both the SMA stent and the IMA VIABAHN.