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Visceral Artery Ischemia
Definition 1
Decreased blood supply to the small or large intestine due to narrowing or blockage of a visceral (mesenteric) artery. The ischemia results to the damage of the intestinal tissues. It may be chronic, caused by atherosclerosis or acute, secondary to the formation of a thrombus or embolus in the mesenteric arterial lumen. In chronic ischemia, patients present with abdominal pain manifested in a short time after a meal and weight loss. In acute ischemia, patients present with sudden and acute abdominal pain, nausea and vomiting, and blood in the stool. (NCI Thesaurus)
Definition 2
A disorder characterized by a decrease in blood supply due to narrowing or blockage of a visceral (mesenteric) artery. (NCI Thesaurus/CTCAE)
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