Abstract
In the past few years, a correlation has been recognized between calcific aortic stenosis and lower gastrointestinal bleeding in elderly patients. It has been suggested by several authors that mucosal arteriovenous malformations, usually in the right colon, are the cause of bleeding in those patients. Although attention is usually focused on doing a partial colectomy (usually right hemicolectomy) for treating colonic arteriovenous malformation bleeding, several patients with calcific aortic stenosis and gastrointestinal bleeding have been reported in whom bleeding stopped after aortic valve replacement alone. The purpose of this paper is to review the possible mechanisms of lower intestinal bleeding in patients with calcific aortic stenosis, delineate the methods of diagnosis, and finally, to outline the appropriate surgical management.
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