Ischemia of the colon may follow surgical reconstruction of the aorta, and its extend can be graded based on clinical and pathologic features.
The sigmoid colon is a common location for ischemic colitis following repair of an abdominal aortic aneurysm with ligation of the inferior mesenteric artery.
(1) anatomic extent of involvement
(2) clinical findings
Anatomic Extent of Ischemia
mucosa and submucosa
diarrhea, which may be bloody, starting 24-48 hours after surgery
into the muscularis propria
shock, sepsis, peritonitis
Morbidity and Mortality
very low mortality
may develop stricture
mortality from 50-90%
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Specialty: Gastroenterology, Surgery, general, Cardiology