Inferior Mesenteric Artery Aneurysm with Occlusion of Celiac, Superior Mesenteric and External Iliac Artery

• Published in: Japanese Journal of Vascular Surgery Vol. 29; no. 2; pp. 117 - 119
• Main Authors: Enomoto, Takashi, Shimada, Koji, Takekubo, Masaru, Toba, Mayuko
• Format: Journal Article
• Language: Japanese
• Published: JAPANESE SOCIETY FOR VASCULAR SURGERY 23.04.2020
• Subjects: celiac artery obstruction; inferior mesenteric artery aneurysm; superior mesenteric artery obstruction; visceral artery aneurysm
• ISSN: 0918-6778; 1881-767X
• DOI: 10.11401/jsvs.19-00081

Inferior Mesenteric Artery (IMA) Aneurysm is a rare disease among visceral aneurysms. We present the case of a 62-year-old man with an asymptomatic IMA aneurysm accompanied with severe stenosis of the left external iliac artery (EIA) and occlusion of the superior mesenteric artery (SMA), celiac artery (CA), and right EIA. The IMA was the only provider of blood flow to the intra-abdominal organs. We conducted the revascularization of the SMA with an 6-mm expanded polytetrafluoroethylene (ePTFE) graft and bilateral EIA with bifurcated graft before resected IMA aneurysm to avoid intra-abdominal organ and limb ischemia. During the procedure, we confirmed arterial flow of bilateral lower limbs and the good color of the small intestine before closing the abdomen. Postoperative CT showed intact arterial flow of the intra-abdominal organ. Postoperative course was uneventful and the patient was discharged on POD 11. We follow up the patient because it is possible of recurrence of visceral aneurysms.