Acute Mesenteric Ischemia is one of the leading causesof gangreneof intestines. The predominant cause is attributed to inadequate or interrupted blood flow through the intestines and mesenteric vessels. It is a rare condition and a life-threatening one leading to eventual gangrenous bowel wall. Embolic and thrombotic arterial occlusions occur due to insufficient blood perfusion of the colon and small bowel. Obstruction of the intestine is a major mechanical impairment. Obstruction is either partial or complete with mechanical obstruction being divided into large bowel obstruction and small bowel obstruction. Due to inadequate blood supply, the tissues of the body start dying a condition called gangrene.
Arterial AMI: Arterial AMI is divided into NOMI or nonocclusive mesenteric ischemia and OMAI or occlusive mesenteric arterial ischemia
Venous AMI: Venous AMI is further divided into mesenteric venous thrombosis or MVT
Causes of ischemic bowel
The gangrenous bowel is an emergency and requires surgical intervention. Resection of gangrenous tissue is performed. Antibiotics may be prescribed after the surgery.
I usually advise immediate attention and admission in case of intestinal blockages and gangrene.Authored by Dr. Deepak Varma, MBBS, MS (General Surgery)
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