Fístula aortoentérica primaria, causa infrecuente de hemorragia digestiva en el adulto joven

Life-threating upper gastrointestinal bleeding due to a primary aorto-jejunal fistula

“…AEF can be classified as primary, regarding a spontaneous communication between the lumen of an aortic aneurysm and an intestinal loop without previous grafting, or secondary, in patients with aneurysms who have undergone reconstruction procedures [8,9] . Before 1960, primary AEF were the most commonly encountered.…”

“…Over the past three decades, the prevalence of secondary AEF has risen, with an incidence of 4% [2] . The prevalence of primary AEF is 0.1–0.8% over all aortic abdominal aneurysms [8] .…”