Curative embolization of iatrogenic inferior mesenteric arteriovenous fistula 14 years after right hemicolectomy

Abstract

Inferior mesenteric arteriovenous fistula (IMAVF) is a rare condition with 40 reported cases. It can be of congenital, idiopathic or acquired etiology. Acquired IMAVF occurs after trauma or has an iatrogenic origin due to abdominal interventions, mainly operations involving the left hemi-colon. A new case of iatrogenic IMAVF is described, which became symptomatic 13 years after right hemicolectomy and was diagnosed radiologically one year later. This case was treated successfully by means of endovascular arterial embolization. To our knowledge, this is only the second reported case of acquired IMAVF following right hemicolectomy.

Keywords Inferior mesenteric artery, arteriovenous fistula, endovascular embolization, portal hypertension, ischemic colitis

Ann Gastroenterol 2020; 33 (3): 318-320