Bowel Obstruction Cause

Bowel obstruction can be caused by a blockage in your the gut space such as worms or stones, disorders of the lining of the gut causing the walls to swell or constrict such as enteritis, or strangulation from causes outside the gut such as adhesion bands around it.

The most common causes of small bowel obstruction (jejunum, ileum) are:

• Adhesions from earlier abdominal surgery (70%). These adhesions are a kind of reaction scar tissue which can form tight constricting bands around loops of bowel blocking them.

• Hernias (10%). Some bowel hernias get caught in their tract and this can cause obstruction of that segment of the bowel.

• Cancer (5%). A fungating tumor can block the pathway of the gut.

The most common causes of large bowel obstruction (colon, sigmoid) are:

• Cancer (50%)

• Volvulus (15%)

• Diverticular disease (10%)

 

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