Ischemic colitis causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Causes

Ischemic colitis is often classified according to the underlying cause. Non-occlusive ischemia develops because of low blood pressure or constriction of the vessels feeding the colon; occlusive ischemia indicates that a blood clot or other blockage has cut off blood flow to the colon. In most cases, no specific cause can be identified.

Non-occlusive ischemia

In hemodynamically unstable patients (i.e. shock patients) the mesenteric perfusion may be compromised.

Occlusive ischemia

Occlusive is ischemia is due to either:

1. Obstructive Atherosclerotic Disease

2. Thromboembolism:

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