Sigmoid colon volvulus

Sigmoid colon volvulus
Classification and external resources
ICD-10	Xxx.x
ICD-9-CM	xxx
MeSH
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Sigmoid colon volvulus, also known as sigmoid volvulus, is a common cause of bowel obstruction and constipation. It is common in Asia, India (7% of intestinal obstruction) and especially South India because of the high fibre diet. It is very common cause of large bowel obstruction in Peru and Bolivia due to high altitude.

The condition is more common in males and with old age. It is also common in people with chronic constipation and laxative abuse.

It is common in:

In sigmoid, volvulus rotation is always anticlockwise. It requires one and a half rotation to cause vascular obstruction and gangrene which eventually leads to perforation either at the root or at the summit of the sigmoid loop.

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